Merge branch 'master' into Develop

# Conflicts:
#	cps/admin.py
#	cps/config_sql.py
#	cps/search.py
#	cps/templates/admin.html
#	cps/web.py
#	setup.cfg
#	test/Calibre-Web TestSummary_Linux.html

.key

@@ -0,0 +1 @@
+onLmA_LND5S8jNSvi8nNSGwevE13f7t8pW-wgWAXZgo=

CONTRIBUTING.md

@@ -26,9 +26,9 @@ The Calibre-Web documentation is hosted in the Github [Wiki](https://github.com/
 
 Do not open up a GitHub issue if the bug is a **security vulnerability** in Calibre-Web. Instead, please write an email to "ozzie.fernandez.isaacs@googlemail.com".
 
-Ensure the ***bug was not already reported** by searching on GitHub under [Issues](https://github.com/janeczku/calibre-web/issues). Please also check if a solution for your problem can be found in the [wiki](https://github.com/janeczku/calibre-web/wiki).
+Ensure the **bug was not already reported** by searching on GitHub under [Issues](https://github.com/janeczku/calibre-web/issues). Please also check if a solution for your problem can be found in the [wiki](https://github.com/janeczku/calibre-web/wiki).
 
-If you're unable to find an **open issue** addressing the problem, open a [new one](https://github.com/janeczku/calibre-web/issues/new?assignees=&labels=&template=bug_report.md&title=). Be sure to include a **title** and **clear description**, as much relevant information as possible, the **issue form** helps you providing the right information. Deleting the form and just pasting the stack trace doesn't speed up fixing the problem. If your issue could be resolved, consider closing the issue.
+If you're unable to find an **open issue** addressing the problem, open a [new one](https://github.com/janeczku/calibre-web/issues/new/choose). Be sure to include a **title** and **clear description**, as much relevant information as possible, the **issue form** helps you providing the right information. Deleting the form and just pasting the stack trace doesn't speed up fixing the problem. If your issue could be resolved, consider closing the issue.
 
 ### **Feature Request**
 

README.md

@@ -19,7 +19,7 @@ Calibre-Web is a web app providing a clean interface for browsing, reading and d
 - full graphical setup
 - User management with fine-grained per-user permissions
 - Admin interface
-- User Interface in brazilian, czech, dutch, english, finnish, french, german, greek, hungarian, italian, japanese, khmer, korean, polish, russian, simplified and traditional chinese, spanish, swedish, turkish, ukrainian
+- User Interface in brazilian, czech, dutch, english, finnish, french, galician, german, greek, hungarian, indonesian, italian, japanese, khmer, korean, norwegian, polish, russian, simplified and traditional chinese, spanish, swedish, turkish, ukrainian, vietnamese
 - OPDS feed for eBook reader apps 
 - Filter and search by titles, authors, tags, series, book format and language
 - Create a custom book collection (shelves)
@@ -65,12 +65,15 @@ Afterwards you can configure your Calibre-Web instance ([Basic Configuration](ht
 
 python 3.5+
 
+[Download](https://imagemagick.org/script/download.php) Imagemagick to extract covers from epubs. On Windows the additional installation of [ghostscript](https://ghostscript.com/releases/gsdnld.html) might be necessary to extract covers from pdf files. On Linux Imagemagick and Ghostscript can often be installed using the system package manager.
+
 Optionally, to enable on-the-fly conversion from one ebook format to another when using the send-to-ereader feature, or during editing of ebooks metadata:
 
 [Download and install](https://calibre-ebook.com/download) the Calibre desktop program for your platform and enter the folder including program name (normally /opt/calibre/ebook-convert, or C:\Program Files\calibre\ebook-convert.exe) in the field "calibre's converter tool" on the setup page.
 
 [Download](https://github.com/pgaskin/kepubify/releases/latest) Kepubify tool for your platform and place the binary starting with `kepubify` in Linux: `/opt/kepubify` Windows: `C:\Program Files\kepubify`.
 
+
 ## Docker Images
 
 A pre-built Docker image is available in these Docker Hub repository (maintained by the LinuxServer team):

babel.cfg

@@ -1,3 +1,4 @@
 [python: **.py]
+
+# has to be executed with jinja2 >=2.9 to have autoescape enabled automatically
 [jinja2: **/templates/**.*ml]
-extensions=jinja2.ext.autoescape,jinja2.ext.with_

cps/__init__.py

@@ -37,7 +37,7 @@ from .reverseproxy import ReverseProxied
 from .server import WebServer
 from .dep_check import dependency_check
 from .updater import Updater
-from .babel import babel
+from .babel import babel, get_locale
 from . import config_sql
 from . import cache_buster
 from . import ub, db
@@ -147,7 +147,7 @@ def create_app():
         web_server.stop(True)
         sys.exit(7)
     for res in dependency_check() + dependency_check(True):
-        log.info('*** "{}" version does not fit the requirements. '
+        log.info('*** "{}" version does not meet the requirements. '
                  'Should: {}, Found: {}, please consider installing required version ***'
                  .format(res['name'],
                          res['target'],
@@ -164,8 +164,11 @@ def create_app():
     app.secret_key = os.getenv('SECRET_KEY', config_sql.get_flask_session_key(ub.session))
 
     web_server.init_app(app, config)
-
+    if hasattr(babel, "localeselector"):
         babel.init_app(app)
+        babel.localeselector(get_locale)
+    else:
+        babel.init_app(app, locale_selector=get_locale)
 
     from . import services
 

cps/about.py

@@ -81,4 +81,4 @@ def stats():
     categories = calibre_db.session.query(db.Tags).count()
     series = calibre_db.session.query(db.Series).count()
     return render_title_template('stats.html', bookcounter=counter, authorcounter=authors, versions=collect_stats(),
-                                 categorycounter=categories, seriecounter=series, title=_(u"Statistics"), page="stat")
+                                 categorycounter=categories, seriecounter=series, title=_("Statistics"), page="stat")

cps/admin.py

@@ -26,11 +26,12 @@ import base64
 import json
 import operator
 import time
+import sys
+import string
 from datetime import datetime, timedelta
 from datetime import time as datetime_time
 from functools import wraps
 
-
 from flask import Blueprint, flash, redirect, url_for, abort, request, make_response, send_from_directory, g, Response
 from flask_login import login_required, current_user, logout_user, confirm_login
 from flask_babel import gettext as _
@@ -52,7 +53,6 @@ from .services.worker import WorkerThread
 from .babel import get_available_translations, get_available_locale, get_user_locale_language
 from . import debug_info
 
-
 log = logger.create()
 
 feature_support = {
@@ -63,16 +63,18 @@ feature_support = {
     'gmail': bool(services.gmail),
     'scheduler': schedule.use_APScheduler,
     'gdrive': gdrive_support
-    }
+}
 
 try:
     import rarfile  # pylint: disable=unused-import
+
     feature_support['rar'] = True
 except (ImportError, SyntaxError):
     feature_support['rar'] = False
 
 try:
     from .oauth_bb import oauth_check, oauthblueprints
+
     feature_support['oauth'] = True
 except ImportError as err:
     log.debug('Cannot import Flask-Dance, login with Oauth will not work: %s', err)
@@ -80,7 +82,6 @@ except ImportError as err:
     oauthblueprints = []
     oauth_check = {}
 
-
 admi = Blueprint('admin', __name__)
 
 
@@ -107,6 +108,7 @@ def before_request():
         logout_user()
     g.constants = constants
     g.user = current_user
+    g.google_site_verification = os.getenv('GOOGLE_SITE_VERIFICATION','')
     g.allow_registration = config.config_public_reg
     g.allow_anonymous = config.config_anonbrowse
     g.allow_upload = config.config_uploading
@@ -137,28 +139,39 @@ def admin_forbidden():
 @admin_required
 def shutdown():
     task = request.get_json().get('parameter', -1)
-    showtext = {}
+    show_text = {}
     if task in (0, 1):  # valid commandos received
         # close all database connections
         calibre_db.dispose()
         ub.dispose()
 
         if task == 0:
-            showtext['text'] = _(u'Server restarted, please reload page')
+            show_text['text'] = _('Server restarted, please reload page.')
         else:
-            showtext['text'] = _(u'Performing shutdown of server, please close window')
+            show_text['text'] = _('Performing Server shutdown, please close window.')
         # stop gevent/tornado server
         web_server.stop(task == 0)
-        return json.dumps(showtext)
+        return json.dumps(show_text)
 
     if task == 2:
         log.warning("reconnecting to calibre database")
         calibre_db.reconnect_db(config, ub.app_DB_path)
-        showtext['text'] = _(u'Reconnect successful')
+        show_text['text'] = _('Success! Database Reconnected')
-        return json.dumps(showtext)
+        return json.dumps(show_text)
 
-    showtext['text'] = _(u'Unknown command')
+    show_text['text'] = _('Unknown command')
-    return json.dumps(showtext), 400
+    return json.dumps(show_text), 400
+
+
+@admi.route("/metadata_backup", methods=["POST"])
+@login_required
+@admin_required
+def queue_metadata_backup():
+    show_text = {}
+    log.warning("Queuing all books for metadata backup")
+    helper.set_all_metadata_dirty()
+    show_text['text'] = _('Success! Books queued for Metadata Backup')
+    return json.dumps(show_text)
 
 
 # method is available without login and not protected by CSRF to make it easy reachable, is per default switched off
@@ -190,7 +203,7 @@ def update_thumbnails():
 def admin():
     version = updater_thread.get_current_version_info()
     if version is False:
-        commit = _(u'Unknown')
+        commit = _('Unknown')
     else:
         if 'datetime' in version:
             commit = version['datetime']
@@ -215,7 +228,7 @@ def admin():
     return render_title_template("admin.html", allUser=all_user, config=config, commit=commit,
                                  feature_support=feature_support, schedule_time=schedule_time,
                                  schedule_duration=schedule_duration,
-                                 title=_(u"Admin page"), page="admin")
+                                 title=_("Admin page"), page="admin")
 
 
 @admi.route("/admin/dbconfig", methods=["GET", "POST"])
@@ -235,7 +248,7 @@ def configuration():
                                  config=config,
                                  provider=oauthblueprints,
                                  feature_support=feature_support,
-                                 title=_(u"Basic Configuration"), page="config")
+                                 title=_("Basic Configuration"), page="config")
 
 
 @admi.route("/admin/ajaxconfig", methods=["POST"])
@@ -263,9 +276,9 @@ def calibreweb_alive():
 @login_required
 @admin_required
 def view_configuration():
-    read_column = calibre_db.session.query(db.CustomColumns)\
+    read_column = calibre_db.session.query(db.CustomColumns) \
         .filter(and_(db.CustomColumns.datatype == 'bool', db.CustomColumns.mark_for_delete == 0)).all()
-    restrict_columns = calibre_db.session.query(db.CustomColumns)\
+    restrict_columns = calibre_db.session.query(db.CustomColumns) \
         .filter(and_(db.CustomColumns.datatype == 'text', db.CustomColumns.mark_for_delete == 0)).all()
     languages = calibre_db.speaking_language()
     translations = get_available_locale()
@@ -273,7 +286,7 @@ def view_configuration():
                                  restrictColumns=restrict_columns,
                                  languages=languages,
                                  translations=translations,
-                                 title=_(u"UI Configuration"), page="uiconfig")
+                                 title=_("UI Configuration"), page="uiconfig")
 
 
 @admi.route("/admin/usertable")
@@ -284,11 +297,11 @@ def edit_user_table():
     languages = calibre_db.speaking_language()
     translations = get_available_locale()
     all_user = ub.session.query(ub.User)
-    tags = calibre_db.session.query(db.Tags)\
+    tags = calibre_db.session.query(db.Tags) \
-        .join(db.books_tags_link)\
+        .join(db.books_tags_link) \
-        .join(db.Books)\
+        .join(db.Books) \
         .filter(calibre_db.common_filters()) \
-        .group_by(text('books_tags_link.tag'))\
+        .group_by(text('books_tags_link.tag')) \
         .order_by(db.Tags.name).all()
     if config.config_restricted_column:
         custom_values = calibre_db.session.query(db.cc_classes[config.config_restricted_column]).all()
@@ -307,7 +320,7 @@ def edit_user_table():
                                  all_roles=constants.ALL_ROLES,
                                  kobo_support=kobo_support,
                                  sidebar_settings=constants.sidebar_settings,
-                                 title=_(u"Edit Users"),
+                                 title=_("Edit Users"),
                                  page="usertable")
 
 
@@ -468,17 +481,17 @@ def edit_list_user(param):
                         [constants.ROLE_ADMIN, constants.ROLE_PASSWD, constants.ROLE_EDIT_SHELFS]:
                         raise Exception(_("Guest can't have this role"))
                     # check for valid value, last on checks for power of 2 value
-                    if value > 0 and value <= constants.ROLE_VIEWER and (value & value-1 == 0 or value == 1):
+                    if value > 0 and value <= constants.ROLE_VIEWER and (value & value - 1 == 0 or value == 1):
                         if vals['value'] == 'true':
                             user.role |= value
                         elif vals['value'] == 'false':
                             if value == constants.ROLE_ADMIN:
-                                if not ub.session.query(ub.User).\
+                                if not ub.session.query(ub.User). \
                                     filter(ub.User.role.op('&')(constants.ROLE_ADMIN) == constants.ROLE_ADMIN,
                                            ub.User.id != user.id).count():
                                     return Response(
                                         json.dumps([{'type': "danger",
-                                                     'message': _(u"No admin user remaining, can't remove admin role",
+                                                     'message': _("No admin user remaining, can't remove admin role",
                                                                   nick=user.name)}]), mimetype='application/json')
                             user.role &= ~value
                         else:
@@ -490,7 +503,7 @@ def edit_list_user(param):
                     if user.name == "Guest" and value == constants.SIDEBAR_READ_AND_UNREAD:
                         raise Exception(_("Guest can't have this view"))
                     # check for valid value, last on checks for power of 2 value
-                    if value > 0 and value <= constants.SIDEBAR_LIST and (value & value-1 == 0 or value == 1):
+                    if value > 0 and value <= constants.SIDEBAR_LIST and (value & value - 1 == 0 or value == 1):
                         if vals['value'] == 'true':
                             user.sidebar_view |= value
                         elif vals['value'] == 'false':
@@ -555,13 +568,13 @@ def update_view_configuration():
         calibre_db.update_title_sort(config)
 
     if not check_valid_read_column(to_save.get("config_read_column", "0")):
-        flash(_(u"Invalid Read Column"), category="error")
+        flash(_("Invalid Read Column"), category="error")
         log.debug("Invalid Read column")
         return view_configuration()
     _config_int(to_save, "config_read_column")
 
     if not check_valid_restricted_column(to_save.get("config_restricted_column", "0")):
-        flash(_(u"Invalid Restricted Column"), category="error")
+        flash(_("Invalid Restricted Column"), category="error")
         log.debug("Invalid Restricted Column")
         return view_configuration()
     _config_int(to_save, "config_restricted_column")
@@ -581,7 +594,7 @@ def update_view_configuration():
         config.config_default_show |= constants.DETAIL_RANDOM
 
     config.save()
-    flash(_(u"Calibre-Web configuration updated"), category="success")
+    flash(_("Calibre-Web configuration updated"), category="success")
     log.debug("Calibre-Web configuration updated")
     before_request()
 
@@ -643,7 +656,7 @@ def edit_domain(allow):
 @admin_required
 def add_domain(allow):
     domain_name = request.form.to_dict()['domainname'].replace('*', '%').replace('?', '_').lower()
-    check = ub.session.query(ub.Registration).filter(ub.Registration.domain == domain_name)\
+    check = ub.session.query(ub.Registration).filter(ub.Registration.domain == domain_name) \
         .filter(ub.Registration.allow == allow).first()
     if not check:
         new_domain = ub.Registration(domain=domain_name, allow=allow)
@@ -862,15 +875,15 @@ def delete_restriction(res_type, user_id):
 @admin_required
 def list_restriction(res_type, user_id):
     if res_type == 0:  # Tags as template
-        restrict = [{'Element': x, 'type': _('Deny'), 'id': 'd'+str(i)}
+        restrict = [{'Element': x, 'type': _('Deny'), 'id': 'd' + str(i)}
                     for i, x in enumerate(config.list_denied_tags()) if x != '']
-        allow = [{'Element': x, 'type': _('Allow'), 'id': 'a'+str(i)}
+        allow = [{'Element': x, 'type': _('Allow'), 'id': 'a' + str(i)}
                  for i, x in enumerate(config.list_allowed_tags()) if x != '']
         json_dumps = restrict + allow
     elif res_type == 1:  # CustomC as template
-        restrict = [{'Element': x, 'type': _('Deny'), 'id': 'd'+str(i)}
+        restrict = [{'Element': x, 'type': _('Deny'), 'id': 'd' + str(i)}
                     for i, x in enumerate(config.list_denied_column_values()) if x != '']
-        allow = [{'Element': x, 'type': _('Allow'), 'id': 'a'+str(i)}
+        allow = [{'Element': x, 'type': _('Allow'), 'id': 'a' + str(i)}
                  for i, x in enumerate(config.list_allowed_column_values()) if x != '']
         json_dumps = restrict + allow
     elif res_type == 2:  # Tags per user
@@ -878,9 +891,9 @@ def list_restriction(res_type, user_id):
             usr = ub.session.query(ub.User).filter(ub.User.id == user_id).first()
         else:
             usr = current_user
-        restrict = [{'Element': x, 'type': _('Deny'), 'id': 'd'+str(i)}
+        restrict = [{'Element': x, 'type': _('Deny'), 'id': 'd' + str(i)}
                     for i, x in enumerate(usr.list_denied_tags()) if x != '']
-        allow = [{'Element': x, 'type': _('Allow'), 'id': 'a'+str(i)}
+        allow = [{'Element': x, 'type': _('Allow'), 'id': 'a' + str(i)}
                  for i, x in enumerate(usr.list_allowed_tags()) if x != '']
         json_dumps = restrict + allow
     elif res_type == 3:  # CustomC per user
@@ -888,9 +901,9 @@ def list_restriction(res_type, user_id):
             usr = ub.session.query(ub.User).filter(ub.User.id == user_id).first()
         else:
             usr = current_user
-        restrict = [{'Element': x, 'type': _('Deny'), 'id': 'd'+str(i)}
+        restrict = [{'Element': x, 'type': _('Deny'), 'id': 'd' + str(i)}
                     for i, x in enumerate(usr.list_denied_column_values()) if x != '']
-        allow = [{'Element': x, 'type': _('Allow'), 'id': 'a'+str(i)}
+        allow = [{'Element': x, 'type': _('Allow'), 'id': 'a' + str(i)}
                  for i, x in enumerate(usr.list_allowed_column_values()) if x != '']
         json_dumps = restrict + allow
     else:
@@ -956,7 +969,7 @@ def prepare_tags(user, action, tags_name, id_list):
             raise Exception(_("Tag not found"))
         new_tags_list = [x.name for x in tags]
     else:
-        tags = calibre_db.session.query(db.cc_classes[config.config_restricted_column])\
+        tags = calibre_db.session.query(db.cc_classes[config.config_restricted_column]) \
             .filter(db.cc_classes[config.config_restricted_column].id.in_(id_list)).all()
         new_tags_list = [x.value for x in tags]
     saved_tags_list = user.__dict__[tags_name].split(",") if len(user.__dict__[tags_name]) else []
@@ -969,6 +982,19 @@ def prepare_tags(user, action, tags_name, id_list):
     return ",".join(saved_tags_list)
 
 
+def get_drives(current):
+    drive_letters = []
+    for d in string.ascii_uppercase:
+        if os.path.exists('{}:'.format(d)) and current[0].lower() != d.lower():
+            drive = "{}:\\".format(d)
+            data = {"name": drive, "fullpath": drive}
+            data["sort"] = "_" + data["fullpath"].lower()
+            data["type"] = "dir"
+            data["size"] = ""
+            drive_letters.append(data)
+    return drive_letters
+
+
 def pathchooser():
     browse_for = "folder"
     folder_only = request.args.get('folder', False) == "true"
@@ -976,40 +1002,41 @@ def pathchooser():
     path = os.path.normpath(request.args.get('path', ""))
 
     if os.path.isfile(path):
-        oldfile = path
+        old_file = path
         path = os.path.dirname(path)
     else:
-        oldfile = ""
+        old_file = ""
 
     absolute = False
 
     if os.path.isdir(path):
-        # if os.path.isabs(path):
         cwd = os.path.realpath(path)
         absolute = True
-        # else:
-        #    cwd = os.path.relpath(path)
     else:
         cwd = os.getcwd()
 
     cwd = os.path.normpath(os.path.realpath(cwd))
-    parentdir = os.path.dirname(cwd)
+    parent_dir = os.path.dirname(cwd)
     if not absolute:
         if os.path.realpath(cwd) == os.path.realpath("/"):
             cwd = os.path.relpath(cwd)
         else:
             cwd = os.path.relpath(cwd) + os.path.sep
-        parentdir = os.path.relpath(parentdir) + os.path.sep
+        parent_dir = os.path.relpath(parent_dir) + os.path.sep
 
-    if os.path.realpath(cwd) == os.path.realpath("/"):
+    files = []
-        parentdir = ""
+    if os.path.realpath(cwd) == os.path.realpath("/") \
+            or (sys.platform == "win32" and os.path.realpath(cwd)[1:] == os.path.realpath("/")[1:]):
+        # we are in root
+        parent_dir = ""
+        if sys.platform == "win32":
+            files = get_drives(cwd)
 
     try:
         folders = os.listdir(cwd)
     except Exception:
         folders = []
 
-    files = []
     for f in folders:
         try:
             data = {"name": f, "fullpath": os.path.join(cwd, f)}
@@ -1042,9 +1069,9 @@ def pathchooser():
     context = {
         "cwd": cwd,
         "files": files,
-        "parentdir": parentdir,
+        "parentdir": parent_dir,
         "type": browse_for,
-        "oldfile": oldfile,
+        "oldfile": old_file,
         "absolute": absolute,
     }
     return json.dumps(context)
@@ -1230,7 +1257,7 @@ def new_user():
         content.default_language = config.config_default_language
     return render_title_template("user_edit.html", new_user=1, content=content,
                                  config=config, translations=translations,
-                                 languages=languages, title=_(u"Add new user"), page="newuser",
+                                 languages=languages, title=_("Add New User"), page="newuser",
                                  kobo_support=kobo_support, registered_oauth=oauth_check)
 
 
@@ -1239,7 +1266,7 @@ def new_user():
 @admin_required
 def edit_mailsettings():
     content = config.get_mail_settings()
-    return render_title_template("email_edit.html", content=content, title=_(u"Edit E-mail Server Settings"),
+    return render_title_template("email_edit.html", content=content, title=_("Edit Email Server Settings"),
                                  page="mailset", feature_support=feature_support)
 
 
@@ -1258,7 +1285,7 @@ def update_mailsettings():
     elif to_save.get("gmail"):
         try:
             config.mail_gmail_token = services.gmail.setup_gmail(config.mail_gmail_token)
-            flash(_(u"Gmail Account Verification Successful"), category="success")
+            flash(_("Success! Gmail Account Verified."), category="success")
         except Exception as ex:
             flash(str(ex), category="error")
             log.error(ex)
@@ -1268,34 +1295,33 @@ def update_mailsettings():
         _config_int(to_save, "mail_port")
         _config_int(to_save, "mail_use_ssl")
         _config_string(to_save, "mail_password_e")
-        _config_int(to_save, "mail_size", lambda y: int(y)*1024*1024)
+        _config_int(to_save, "mail_size", lambda y: int(y) * 1024 * 1024)
-        _config_string(to_save, "mail_server")
+        config.mail_server = to_save.get('mail_server', "").strip()
-        _config_string(to_save, "mail_from")
+        config.mail_from = to_save.get('mail_from', "").strip()
-        _config_string(to_save, "mail_login")
+        config.mail_login = to_save.get('mail_login', "").strip()
-
     try:
         config.save()
     except (OperationalError, InvalidRequestError) as e:
         ub.session.rollback()
         log.error_or_exception("Settings Database error: {}".format(e))
-        flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+        flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
         return edit_mailsettings()
     except Exception as e:
-        flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+        flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
         return edit_mailsettings()
 
     if to_save.get("test"):
         if current_user.email:
             result = send_test_mail(current_user.email, current_user.name)
             if result is None:
-                flash(_(u"Test e-mail queued for sending to %(email)s, please check Tasks for result",
+                flash(_("Test e-mail queued for sending to %(email)s, please check Tasks for result",
                         email=current_user.email), category="info")
             else:
-                flash(_(u"There was an error sending the Test e-mail: %(res)s", res=result), category="error")
+                flash(_("There was an error sending the Test e-mail: %(res)s", res=result), category="error")
         else:
-            flash(_(u"Please configure your e-mail address first..."), category="error")
+            flash(_("Please configure your e-mail address first..."), category="error")
     else:
-        flash(_(u"E-mail server settings updated"), category="success")
+        flash(_("Email Server Settings updated"), category="success")
 
     return edit_mailsettings()
 
@@ -1309,16 +1335,16 @@ def edit_scheduledtasks():
     duration_field = list()
 
     for n in range(24):
-        time_field.append((n, format_time(datetime_time(hour=n), format="short",)))
+        time_field.append((n, format_time(datetime_time(hour=n), format="short", )))
     for n in range(5, 65, 5):
         t = timedelta(hours=n // 60, minutes=n % 60)
-        duration_field.append((n, format_timedelta(t, threshold=.9)))
+        duration_field.append((n, format_timedelta(t, threshold=.97)))
 
     return render_title_template("schedule_edit.html",
                                  config=content,
                                  starttime=time_field,
                                  duration=duration_field,
-                                 title=_(u"Edit Scheduled Tasks Settings"))
+                                 title=_("Edit Scheduled Tasks Settings"))
 
 
 @admi.route("/admin/scheduledtasks", methods=["POST"])
@@ -1330,12 +1356,12 @@ def update_scheduledtasks():
     if 0 <= int(to_save.get("schedule_start_time")) <= 23:
         _config_int( to_save, "schedule_start_time")
     else:
-        flash(_(u"Invalid start time for task specified"), category="error")
+        flash(_("Invalid start time for task specified"), category="error")
         error = True
     if 0 < int(to_save.get("schedule_duration")) <= 60:
         _config_int(to_save, "schedule_duration")
     else:
-        flash(_(u"Invalid duration for task specified"), category="error")
+        flash(_("Invalid duration for task specified"), category="error")
         error = True
     _config_checkbox(to_save, "schedule_generate_book_covers")
     _config_checkbox(to_save, "schedule_generate_series_covers")
@@ -1344,7 +1370,7 @@ def update_scheduledtasks():
     if not error:
         try:
             config.save()
-            flash(_(u"Scheduled tasks settings updated"), category="success")
+            flash(_("Scheduled tasks settings updated"), category="success")
 
             # Cancel any running tasks
             schedule.end_scheduled_tasks()
@@ -1354,7 +1380,7 @@ def update_scheduledtasks():
         except IntegrityError:
             ub.session.rollback()
             log.error("An unknown error occurred while saving scheduled tasks settings")
-            flash(_(u"An unknown error occurred. Please try again later."), category="error")
+            flash(_("Oops! An unknown error occurred. Please try again later."), category="error")
         except OperationalError:
             ub.session.rollback()
             log.error("Settings DB is not Writeable")
@@ -1369,7 +1395,7 @@ def update_scheduledtasks():
 def edit_user(user_id):
     content = ub.session.query(ub.User).filter(ub.User.id == int(user_id)).first()  # type: ub.User
     if not content or (not config.config_anonbrowse and content.name == "Guest"):
-        flash(_(u"User not found"), category="error")
+        flash(_("User not found"), category="error")
         return redirect(url_for('admin.admin'))
     languages = calibre_db.speaking_language(return_all_languages=True)
     translations = get_available_locale()
@@ -1388,7 +1414,7 @@ def edit_user(user_id):
                                  registered_oauth=oauth_check,
                                  mail_configured=config.get_mail_server_configured(),
                                  kobo_support=kobo_support,
-                                 title=_(u"Edit User %(nick)s", nick=content.name),
+                                 title=_("Edit User %(nick)s", nick=content.name),
                                  page="edituser")
 
 
@@ -1399,14 +1425,14 @@ def reset_user_password(user_id):
     if current_user is not None and current_user.is_authenticated:
         ret, message = reset_password(user_id)
         if ret == 1:
-            log.debug(u"Password for user %s reset", message)
+            log.debug("Password for user %s reset", message)
-            flash(_(u"Password for user %(user)s reset", user=message), category="success")
+            flash(_("Success! Password for user %(user)s reset", user=message), category="success")
         elif ret == 0:
-            log.error(u"An unknown error occurred. Please try again later.")
+            log.error("An unknown error occurred. Please try again later.")
-            flash(_(u"An unknown error occurred. Please try again later."), category="error")
+            flash(_("Oops! An unknown error occurred. Please try again later."), category="error")
         else:
-            log.error(u"Please configure the SMTP mail settings first...")
+            log.error("Please configure the SMTP mail settings.")
-            flash(_(u"Please configure the SMTP mail settings first..."), category="error")
+            flash(_("Oops! Please configure the SMTP mail settings."), category="error")
     return redirect(url_for('admin.admin'))
 
 
@@ -1417,7 +1443,7 @@ def view_logfile():
     logfiles = {0: logger.get_logfile(config.config_logfile),
                 1: logger.get_accesslogfile(config.config_access_logfile)}
     return render_title_template("logviewer.html",
-                                 title=_(u"Logfile viewer"),
+                                 title=_("Logfile viewer"),
                                  accesslog_enable=config.config_access_log,
                                  log_enable=bool(config.config_logfile != logger.LOG_TO_STDOUT),
                                  logfiles=logfiles,
@@ -1467,7 +1493,7 @@ def download_debug():
 @admin_required
 def get_update_status():
     if feature_support['updater']:
-        log.info(u"Update status requested")
+        log.info("Update status requested")
         return updater_thread.get_available_updates(request.method)
     else:
         return ''
@@ -1662,7 +1688,7 @@ def _db_configuration_update_helper():
     except (OperationalError, InvalidRequestError) as e:
         ub.session.rollback()
         log.error_or_exception("Settings Database error: {}".format(e))
-        _db_configuration_result(_(u"Database error: %(error)s.", error=e.orig), gdrive_error)
+        _db_configuration_result(_("Oops! Database Error: %(error)s.", error=e.orig), gdrive_error)
     try:
         metadata_db = os.path.join(to_save['config_calibre_dir'], "metadata.db")
         if config.config_use_google_drive and is_gdrive_ready() and not os.path.exists(metadata_db):
@@ -1694,7 +1720,7 @@ def _db_configuration_update_helper():
         _config_string(to_save, "config_calibre_dir")
         calibre_db.update_config(config)
         if not os.access(os.path.join(config.config_calibre_dir, "metadata.db"), os.W_OK):
-            flash(_(u"DB is not Writeable"), category="warning")
+            flash(_("DB is not Writeable"), category="warning")
     config.save()
     return _db_configuration_result(None, gdrive_error)
 
@@ -1791,7 +1817,7 @@ def _configuration_update_helper():
     except (OperationalError, InvalidRequestError) as e:
         ub.session.rollback()
         log.error_or_exception("Settings Database error: {}".format(e))
-        _configuration_result(_(u"Database error: %(error)s.", error=e.orig))
+        _configuration_result(_("Oops! Database Error: %(error)s.", error=e.orig))
 
     config.save()
     if reboot_required:
@@ -1807,7 +1833,7 @@ def _configuration_result(error_flash=None, reboot=False):
         config.load()
         resp['result'] = [{'type': "danger", 'message': error_flash}]
     else:
-        resp['result'] = [{'type': "success", 'message': _(u"Calibre-Web configuration updated")}]
+        resp['result'] = [{'type': "success", 'message': _("Calibre-Web configuration updated")}]
     resp['reboot'] = reboot
     resp['config_upload'] = config.config_upload_formats
     return Response(json.dumps(resp), mimetype='application/json')
@@ -1838,7 +1864,7 @@ def _db_configuration_result(error_flash=None, gdrive_error=None):
                                  gdriveError=gdrive_error,
                                  gdrivefolders=gdrivefolders,
                                  feature_support=feature_support,
-                                 title=_(u"Database Configuration"), page="dbconfig")
+                                 title=_("Database Configuration"), page="dbconfig")
 
 
 def _handle_new_user(to_save, content, languages, translations, kobo_support):
@@ -1853,7 +1879,7 @@ def _handle_new_user(to_save, content, languages, translations, kobo_support):
     try:
         if not to_save["name"] or not to_save["email"] or not to_save["password"]:
             log.info("Missing entries on new user")
-            raise Exception(_(u"Please fill out all fields!"))
+            raise Exception(_("Oops! Please complete all fields."))
         content.password = generate_password_hash(helper.valid_password(to_save.get("password", "")))
         content.email = check_email(to_save["email"])
         # Query username, if not existing, change
@@ -1862,13 +1888,13 @@ def _handle_new_user(to_save, content, languages, translations, kobo_support):
             content.kindle_mail = valid_email(to_save["kindle_mail"])
         if config.config_public_reg and not check_valid_domain(content.email):
             log.info("E-mail: {} for new user is not from valid domain".format(content.email))
-            raise Exception(_(u"E-mail is not from valid domain"))
+            raise Exception(_("E-mail is not from valid domain"))
     except Exception as ex:
         flash(str(ex), category="error")
         return render_title_template("user_edit.html", new_user=1, content=content,
                                      config=config,
                                      translations=translations,
-                                     languages=languages, title=_(u"Add new user"), page="newuser",
+                                     languages=languages, title=_("Add new user"), page="newuser",
                                      kobo_support=kobo_support, registered_oauth=oauth_check)
     try:
         content.allowed_tags = config.config_allowed_tags
@@ -1879,17 +1905,17 @@ def _handle_new_user(to_save, content, languages, translations, kobo_support):
         content.kobo_only_shelves_sync = to_save.get("kobo_only_shelves_sync", 0) == "on"
         ub.session.add(content)
         ub.session.commit()
-        flash(_(u"User '%(user)s' created", user=content.name), category="success")
+        flash(_("User '%(user)s' created", user=content.name), category="success")
         log.debug("User {} created".format(content.name))
         return redirect(url_for('admin.admin'))
     except IntegrityError:
         ub.session.rollback()
         log.error("Found an existing account for {} or {}".format(content.name, content.email))
-        flash(_("Found an existing account for this e-mail address or name."), category="error")
+        flash(_("Oops! An account already exists for this Email. or name."), category="error")
     except OperationalError as e:
         ub.session.rollback()
         log.error_or_exception("Settings Database error: {}".format(e))
-        flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+        flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
 
 
 def _delete_user(content):
@@ -1971,10 +1997,11 @@ def _handle_edit_user(to_save, content, languages, translations, kobo_support):
         if to_save.get("locale"):
             content.locale = to_save["locale"]
         try:
-            if to_save.get('password', "") != "":
+            new_email = valid_email(to_save.get("email", content.email))
-                content.password = generate_password_hash(helper.valid_password(to_save['password']))
+            if not new_email:
-            if to_save.get("email", content.email) != content.email:
+                raise Exception(_("Email can't be empty and has to be a valid Email"))
-                content.email = check_email(to_save["email"])
+            if new_email != content.email:
+                content.email = check_email(new_email)
             # Query username, if not existing, change
             if to_save.get("name", content.name) != content.name:
                 if to_save.get("name") == "Guest":
@@ -1994,19 +2021,19 @@ def _handle_edit_user(to_save, content, languages, translations, kobo_support):
                                          content=content,
                                          config=config,
                                          registered_oauth=oauth_check,
-                                         title=_(u"Edit User %(nick)s", nick=content.name),
+                                         title=_("Edit User %(nick)s", nick=content.name),
                                          page="edituser")
     try:
         ub.session_commit()
-        flash(_(u"User '%(nick)s' updated", nick=content.name), category="success")
+        flash(_("User '%(nick)s' updated", nick=content.name), category="success")
     except IntegrityError as ex:
         ub.session.rollback()
         log.error("An unknown error occurred while changing user: {}".format(str(ex)))
-        flash(_(u"An unknown error occurred. Please try again later."), category="error")
+        flash(_("Oops! An unknown error occurred. Please try again later."), category="error")
     except OperationalError as e:
         ub.session.rollback()
         log.error_or_exception("Settings Database error: {}".format(e))
-        flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+        flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
     return ""
 
 

cps/babel.py

@@ -9,8 +9,6 @@ log = logger.create()
 
 babel = Babel()
 
-
-@babel.localeselector
 def get_locale():
     # if a user is logged in, use the locale from the user settings
     user = getattr(g, 'user', None)

cps/cli.py

@@ -29,7 +29,7 @@ from .constants import DEFAULT_SETTINGS_FILE, DEFAULT_GDRIVE_FILE
 
 def version_info():
     if _NIGHTLY_VERSION[1].startswith('$Format'):
-        return "Calibre-Web version: %s - unkown git-clone" % _STABLE_VERSION['version']
+        return "Calibre-Web version: %s - unknown git-clone" % _STABLE_VERSION['version']
     return "Calibre-Web version: %s -%s" % (_STABLE_VERSION['version'], _NIGHTLY_VERSION[1])
 
 

cps/comic.py

@@ -138,7 +138,7 @@ def get_comic_info(tmp_file_path, original_file_name, original_file_extension, r
         file_path=tmp_file_path,
         extension=original_file_extension,
         title=original_file_name,
-        author=u'Unknown',
+        author='Unknown',
         cover=_extract_cover(tmp_file_path, original_file_extension, rar_executable),
         description="",
         tags="",

cps/config_sql.py

@@ -74,12 +74,12 @@ class _Settings(_Base):
     config_certfile = Column(String)
     config_keyfile = Column(String)
     config_trustedhosts = Column(String, default='')
-    config_calibre_web_title = Column(String, default=u'Calibre-Web')
+    config_calibre_web_title = Column(String, default='Calibre-Web')
     config_books_per_page = Column(Integer, default=60)
     config_random_books = Column(Integer, default=4)
     config_authors_max = Column(Integer, default=0)
     config_read_column = Column(Integer, default=0)
-    config_title_regex = Column(String, default=r'^(A|The|An|Der|Die|Das|Den|Ein|Eine|Einen|Dem|Des|Einem|Eines)\s+')
+    config_title_regex = Column(String, default=r'^(A|The|An|Der|Die|Das|Den|Ein|Eine|Einen|Dem|Des|Einem|Eines|Le|La|Les|L\'|Un|Une)\s+')    
     config_theme = Column(Integer, default=0)
 
     config_log_level = Column(SmallInteger, default=logger.DEFAULT_LOG_LEVEL)

cps/constants.py

@@ -163,7 +163,7 @@ def selected_roles(dictionary):
 BookMeta = namedtuple('BookMeta', 'file_path, extension, title, author, cover, description, tags, series, '
                                   'series_id, languages, publisher, pubdate, identifiers')
 
-STABLE_VERSION = {'version': '0.6.19 Beta'}
+STABLE_VERSION = {'version': '0.6.19'}
 
 NIGHTLY_VERSION = dict()
 NIGHTLY_VERSION[0] = '$Format:%H$'

cps/db.py

@@ -111,66 +111,70 @@ class Identifiers(Base):
     def format_type(self):
         format_type = self.type.lower()
         if format_type == 'amazon':
-            return u"Amazon"
+            return "Amazon"
         elif format_type.startswith("amazon_"):
-            return u"Amazon.{0}".format(format_type[7:])
+            return "Amazon.{0}".format(format_type[7:])
         elif format_type == "isbn":
-            return u"ISBN"
+            return "ISBN"
         elif format_type == "doi":
-            return u"DOI"
+            return "DOI"
         elif format_type == "douban":
-            return u"Douban"
+            return "Douban"
         elif format_type == "goodreads":
-            return u"Goodreads"
+            return "Goodreads"
         elif format_type == "babelio":
-            return u"Babelio"
+            return "Babelio"
         elif format_type == "google":
-            return u"Google Books"
+            return "Google Books"
         elif format_type == "kobo":
-            return u"Kobo"
+            return "Kobo"
         elif format_type == "litres":
-            return u"ЛитРес"
+            return "ЛитРес"
         elif format_type == "issn":
-            return u"ISSN"
+            return "ISSN"
         elif format_type == "isfdb":
-            return u"ISFDB"
+            return "ISFDB"
         if format_type == "lubimyczytac":
-            return u"Lubimyczytac"
+            return "Lubimyczytac"
+        if format_type == "databazeknih":
+            return "Databáze knih"
         else:
             return self.type
 
     def __repr__(self):
         format_type = self.type.lower()
         if format_type == "amazon" or format_type == "asin":
-            return u"https://amazon.com/dp/{0}".format(self.val)
+            return "https://amazon.com/dp/{0}".format(self.val)
         elif format_type.startswith('amazon_'):
-            return u"https://amazon.{0}/dp/{1}".format(format_type[7:], self.val)
+            return "https://amazon.{0}/dp/{1}".format(format_type[7:], self.val)
         elif format_type == "isbn":
-            return u"https://www.worldcat.org/isbn/{0}".format(self.val)
+            return "https://www.worldcat.org/isbn/{0}".format(self.val)
         elif format_type == "doi":
-            return u"https://dx.doi.org/{0}".format(self.val)
+            return "https://dx.doi.org/{0}".format(self.val)
         elif format_type == "goodreads":
-            return u"https://www.goodreads.com/book/show/{0}".format(self.val)
+            return "https://www.goodreads.com/book/show/{0}".format(self.val)
         elif format_type == "babelio":
-            return u"https://www.babelio.com/livres/titre/{0}".format(self.val)
+            return "https://www.babelio.com/livres/titre/{0}".format(self.val)
         elif format_type == "douban":
-            return u"https://book.douban.com/subject/{0}".format(self.val)
+            return "https://book.douban.com/subject/{0}".format(self.val)
         elif format_type == "google":
-            return u"https://books.google.com/books?id={0}".format(self.val)
+            return "https://books.google.com/books?id={0}".format(self.val)
         elif format_type == "kobo":
-            return u"https://www.kobo.com/ebook/{0}".format(self.val)
+            return "https://www.kobo.com/ebook/{0}".format(self.val)
         elif format_type == "lubimyczytac":
-            return u"https://lubimyczytac.pl/ksiazka/{0}/ksiazka".format(self.val)
+            return "https://lubimyczytac.pl/ksiazka/{0}/ksiazka".format(self.val)
         elif format_type == "litres":
-            return u"https://www.litres.ru/{0}".format(self.val)
+            return "https://www.litres.ru/{0}".format(self.val)
         elif format_type == "issn":
-            return u"https://portal.issn.org/resource/ISSN/{0}".format(self.val)
+            return "https://portal.issn.org/resource/ISSN/{0}".format(self.val)
         elif format_type == "isfdb":
-            return u"http://www.isfdb.org/cgi-bin/pl.cgi?{0}".format(self.val)
+            return "http://www.isfdb.org/cgi-bin/pl.cgi?{0}".format(self.val)
+        elif format_type == "databazeknih":
+            return "https://www.databazeknih.cz/knihy/{0}".format(self.val)
         elif self.val.lower().startswith("javascript:"):
             return quote(self.val)
         else:
-            return u"{0}".format(self.val)
+            return "{0}".format(self.val)
 
 
 class Comments(Base):
@@ -188,7 +192,7 @@ class Comments(Base):
         return self.text
 
     def __repr__(self):
-        return u"<Comments({0})>".format(self.text)
+        return "<Comments({0})>".format(self.text)
 
 
 class Tags(Base):
@@ -204,7 +208,7 @@ class Tags(Base):
         return self.name
 
     def __repr__(self):
-        return u"<Tags('{0})>".format(self.name)
+        return "<Tags('{0})>".format(self.name)
 
 
 class Authors(Base):
@@ -224,7 +228,7 @@ class Authors(Base):
         return self.name
 
     def __repr__(self):
-        return u"<Authors('{0},{1}{2}')>".format(self.name, self.sort, self.link)
+        return "<Authors('{0},{1}{2}')>".format(self.name, self.sort, self.link)
 
 
 class Series(Base):
@@ -242,7 +246,7 @@ class Series(Base):
         return self.name
 
     def __repr__(self):
-        return u"<Series('{0},{1}')>".format(self.name, self.sort)
+        return "<Series('{0},{1}')>".format(self.name, self.sort)
 
 
 class Ratings(Base):
@@ -258,7 +262,7 @@ class Ratings(Base):
         return self.rating
 
     def __repr__(self):
-        return u"<Ratings('{0}')>".format(self.rating)
+        return "<Ratings('{0}')>".format(self.rating)
 
 
 class Languages(Base):
@@ -277,7 +281,7 @@ class Languages(Base):
             return self.lang_code
 
     def __repr__(self):
-        return u"<Languages('{0}')>".format(self.lang_code)
+        return "<Languages('{0}')>".format(self.lang_code)
 
 
 class Publishers(Base):
@@ -295,7 +299,7 @@ class Publishers(Base):
         return self.name
 
     def __repr__(self):
-        return u"<Publishers('{0},{1}')>".format(self.name, self.sort)
+        return "<Publishers('{0},{1}')>".format(self.name, self.sort)
 
 
 class Data(Base):
@@ -319,7 +323,16 @@ class Data(Base):
         return self.name
 
     def __repr__(self):
-        return u"<Data('{0},{1}{2}{3}')>".format(self.book, self.format, self.uncompressed_size, self.name)
+        return "<Data('{0},{1}{2}{3}')>".format(self.book, self.format, self.uncompressed_size, self.name)
+
+
+class Metadata_Dirtied(Base):
+    __tablename__ = 'metadata_dirtied'
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    book = Column(Integer, ForeignKey('books.id'), nullable=False, unique=True)
+
+    def __init__(self, book):
+        self.book = book
 
 
 class Books(Base):
@@ -364,7 +377,7 @@ class Books(Base):
         self.has_cover = (has_cover != None)
 
     def __repr__(self):
-        return u"<Books('{0},{1}{2}{3}{4}{5}{6}{7}{8}')>".format(self.title, self.sort, self.author_sort,
+        return "<Books('{0},{1}{2}{3}{4}{5}{6}{7}{8}')>".format(self.title, self.sort, self.author_sort,
                                                                  self.timestamp, self.pubdate, self.series_index,
                                                                  self.last_modified, self.path, self.has_cover)
 
@@ -390,6 +403,30 @@ class CustomColumns(Base):
         display_dict = json.loads(self.display)
         return display_dict
 
+    def to_json(self, value, extra, sequence):
+        content = dict()
+        content['table'] = "custom_column_" + str(self.id)
+        content['column'] = "value"
+        content['datatype'] = self.datatype
+        content['is_multiple'] = None if not self.is_multiple else self.is_multiple
+        content['kind'] = "field"
+        content['name'] = self.name
+        content['search_terms'] = ['#' + self.label]
+        content['label'] = self.label
+        content['colnum'] = self.id
+        content['display'] = self.get_display_dict()
+        content['is_custom'] = True
+        content['is_category'] = self.datatype in ['text', 'rating', 'enumeration', 'series']
+        content['link_column'] = "value"
+        content['category_sort'] = "value"
+        content['is_csp'] = False
+        content['is_editable'] = self.editable
+        content['rec_index'] = sequence + 22     # toDo why ??
+        content['#value#'] = value
+        content['#extra#'] = extra
+        content['is_multiple2'] = {}
+        return json.dumps(content, ensure_ascii=False)
+
 
 class AlchemyEncoder(json.JSONEncoder):
 
@@ -641,6 +678,18 @@ class CalibreDB:
     def get_book_format(self, book_id, file_format):
         return self.session.query(Data).filter(Data.book == book_id).filter(Data.format == file_format).first()
 
+    def set_metadata_dirty(self, book_id):
+        if not self.session.query(Metadata_Dirtied).filter(Metadata_Dirtied.book == book_id).one_or_none():
+            self.session.add(Metadata_Dirtied(book_id))
+
+    def delete_dirty_metadata(self, book_id):
+        try:
+            self.session.query(Metadata_Dirtied).filter(Metadata_Dirtied.book == book_id).delete()
+            self.session.commit()
+        except (OperationalError) as e:
+            self.session.rollback()
+            log.error("Database error: {}".format(e))
+
     # Language and content filters for displaying in the UI
     def common_filters(self, allow_show_archived=False, return_all_languages=False):
         if not allow_show_archived:

cps/editbooks.py

@@ -38,7 +38,7 @@ from flask_babel import gettext as _
 from flask_babel import lazy_gettext as N_
 from flask_babel import get_locale
 from flask_login import current_user, login_required
-from sqlalchemy.exc import OperationalError, IntegrityError
+from sqlalchemy.exc import OperationalError, IntegrityError, InterfaceError
 from sqlalchemy.orm.exc import StaleDataError
 
 from . import constants, logger, isoLanguages, gdriveutils, uploader, helper, kobo_sync_status
@@ -107,7 +107,7 @@ def edit_book(book_id):
     book = calibre_db.get_filtered_book(book_id, allow_show_archived=True)
     # Book not found
     if not book:
-        flash(_(u"Oops! Selected book title is unavailable. File does not exist or is not accessible"),
+        flash(_("Oops! Selected book is unavailable. File does not exist or is not accessible"),
               category="error")
         return redirect(url_for("web.index"))
 
@@ -151,7 +151,7 @@ def edit_book(book_id):
         if to_save.get("cover_url", None):
             if not current_user.role_upload():
                 edit_error = True
-                flash(_(u"User has no rights to upload cover"), category="error")
+                flash(_("User has no rights to upload cover"), category="error")
             if to_save["cover_url"].endswith('/static/generic_cover.jpg'):
                 book.has_cover = 0
             else:
@@ -203,6 +203,7 @@ def edit_book(book_id):
         if modify_date:
             book.last_modified = datetime.utcnow()
             kobo_sync_status.remove_synced_book(edited_books_id, all=True)
+            calibre_db.set_metadata_dirty(book.id)
 
         calibre_db.session.merge(book)
         calibre_db.session.commit()
@@ -222,10 +223,10 @@ def edit_book(book_id):
         calibre_db.session.rollback()
         flash(str(e), category="error")
         return redirect(url_for('web.show_book', book_id=book.id))
-    except (OperationalError, IntegrityError, StaleDataError) as e:
+    except (OperationalError, IntegrityError, StaleDataError, InterfaceError) as e:
         log.error_or_exception("Database error: {}".format(e))
         calibre_db.session.rollback()
-        flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+        flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
         return redirect(url_for('web.show_book', book_id=book.id))
     except Exception as ex:
         log.error_or_exception(ex)
@@ -277,6 +278,8 @@ def upload():
 
                 move_coverfile(meta, db_book)
 
+                if modify_date:
+                    calibre_db.set_metadata_dirty(book_id)
                 # save data to database, reread data
                 calibre_db.session.commit()
 
@@ -285,7 +288,7 @@ def upload():
                 if error:
                     flash(error, category="error")
                 link = '<a href="{}">{}</a>'.format(url_for('web.show_book', book_id=book_id), escape(title))
-                upload_text = N_(u"File %(file)s uploaded", file=link)
+                upload_text = N_("File %(file)s uploaded", file=link)
                 WorkerThread.add(current_user.name, TaskUpload(upload_text, escape(title)))
                 helper.add_book_to_thumbnail_cache(book_id)
 
@@ -299,7 +302,7 @@ def upload():
             except (OperationalError, IntegrityError, StaleDataError) as e:
                 calibre_db.session.rollback()
                 log.error_or_exception("Database error: {}".format(e))
-                flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+                flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
         return Response(json.dumps({"location": url_for("web.index")}), mimetype='application/json')
 
 
@@ -312,7 +315,7 @@ def convert_bookformat(book_id):
     book_format_to = request.form.get('book_format_to', None)
 
     if (book_format_from is None) or (book_format_to is None):
-        flash(_(u"Source or destination format for conversion missing"), category="error")
+        flash(_("Source or destination format for conversion missing"), category="error")
         return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
 
     log.info('converting: book id: %s from: %s to: %s', book_id, book_format_from, book_format_to)
@@ -320,11 +323,11 @@ def convert_bookformat(book_id):
                                      book_format_to.upper(), current_user.name)
 
     if rtn is None:
-        flash(_(u"Book successfully queued for converting to %(book_format)s",
+        flash(_("Book successfully queued for converting to %(book_format)s",
                 book_format=book_format_to),
               category="success")
     else:
-        flash(_(u"There was an error converting this book: %(res)s", res=rtn), category="error")
+        flash(_("There was an error converting this book: %(res)s", res=rtn), category="error")
     return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
 
 
@@ -555,6 +558,7 @@ def table_xchange_author_title():
                                                          renamed_author=renamed)
             if modify_date:
                 book.last_modified = datetime.utcnow()
+                calibre_db.set_metadata_dirty(book.id)
             try:
                 calibre_db.session.commit()
             except (OperationalError, IntegrityError, StaleDataError) as e:
@@ -569,9 +573,9 @@ def table_xchange_author_title():
 
 
 def merge_metadata(to_save, meta):
-    if to_save.get('author_name', "") == _(u'Unknown'):
+    if to_save.get('author_name', "") == _('Unknown'):
         to_save['author_name'] = ''
-    if to_save.get('book_title', "") == _(u'Unknown'):
+    if to_save.get('book_title', "") == _('Unknown'):
         to_save['book_title'] = ''
     for s_field, m_field in [
             ('tags', 'tags'), ('author_name', 'author'), ('series', 'series'),
@@ -607,7 +611,7 @@ def prepare_authors(authr):
 
     # we have all author names now
     if input_authors == ['']:
-        input_authors = [_(u'Unknown')]  # prevent empty Author
+        input_authors = [_('Unknown')]  # prevent empty Author
 
     renamed = list()
     for in_aut in input_authors:
@@ -624,11 +628,11 @@ def prepare_authors(authr):
 
 
 def prepare_authors_on_upload(title, authr):
-    if title != _(u'Unknown') and authr != _(u'Unknown'):
+    if title != _('Unknown') and authr != _('Unknown'):
         entry = calibre_db.check_exists_book(authr, title)
         if entry:
             log.info("Uploaded book probably exists in library")
-            flash(_(u"Uploaded book probably exists in the library, consider to change before upload new: ")
+            flash(_("Uploaded book probably exists in the library, consider to change before upload new: ")
                   + Markup(render_title_template('book_exists_flash.html', entry=entry)), category="warning")
 
     input_authors, renamed = prepare_authors(authr)
@@ -683,7 +687,7 @@ def create_book_on_upload(modify_date, meta):
     modify_date |= edit_book_languages(meta.languages, db_book, upload_mode=True, invalid=invalid)
     if invalid:
         for lang in invalid:
-            flash(_(u"'%(langname)s' is not a valid language", langname=lang), category="warning")
+            flash(_("'%(langname)s' is not a valid language", langname=lang), category="warning")
 
     # handle tags
     modify_date |= edit_book_tags(meta.tags, db_book)
@@ -733,7 +737,7 @@ def file_handling_on_upload(requested_file):
         meta = uploader.upload(requested_file, config.config_rarfile_location)
     except (IOError, OSError):
         log.error("File %s could not saved to temp dir", requested_file.filename)
-        flash(_(u"File %(filename)s could not saved to temp dir",
+        flash(_("File %(filename)s could not saved to temp dir",
                 filename=requested_file.filename), category="error")
         return None, Response(json.dumps({"location": url_for("web.index")}), mimetype='application/json')
     return meta, None
@@ -753,7 +757,7 @@ def move_coverfile(meta, db_book):
             os.unlink(meta.cover)
     except OSError as e:
         log.error("Failed to move cover file %s: %s", new_cover_path, e)
-        flash(_(u"Failed to Move Cover File %(file)s: %(error)s", file=new_cover_path,
+        flash(_("Failed to Move Cover File %(file)s: %(error)s", file=new_cover_path,
                 error=e),
               category="error")
 
@@ -767,7 +771,7 @@ def delete_whole_book(book_id, book):
 
     # check if only this book links to:
     # author, language, series, tags, custom columns
-    modify_database_object([u''], book.authors, db.Authors, calibre_db.session, 'author')
+    modify_database_object([''], book.authors, db.Authors, calibre_db.session, 'author')
     modify_database_object([u''], book.tags, db.Tags, calibre_db.session, 'tags')
     modify_database_object([u''], book.series, db.Series, calibre_db.session, 'series')
     modify_database_object([u''], book.languages, db.Languages, calibre_db.session, 'languages')
@@ -888,7 +892,7 @@ def render_edit_book(book_id):
     cc = calibre_db.session.query(db.CustomColumns).filter(db.CustomColumns.datatype.notin_(db.cc_exceptions)).all()
     book = calibre_db.get_filtered_book(book_id, allow_show_archived=True)
     if not book:
-        flash(_(u"Oops! Selected book title is unavailable. File does not exist or is not accessible"),
+        flash(_("Oops! Selected book is unavailable. File does not exist or is not accessible"),
               category="error")
         return redirect(url_for("web.index"))
 
@@ -923,7 +927,7 @@ def render_edit_book(book_id):
     if kepub_possible:
         allowed_conversion_formats.append('kepub')
     return render_title_template('book_edit.html', book=book, authors=author_names, cc=cc,
-                                 title=_(u"edit metadata"), page="editbook",
+                                 title=_("edit metadata"), page="editbook",
                                  conversion_formats=allowed_conversion_formats,
                                  config=config,
                                  source_formats=valid_source_formats)
@@ -1008,7 +1012,7 @@ def edit_book_languages(languages, book, upload_mode=False, invalid=None):
         if isinstance(invalid, list):
             invalid.append(lang)
         else:
-            raise ValueError(_(u"'%(langname)s' is not a valid language", langname=lang))
+            raise ValueError(_("'%(langname)s' is not a valid language", langname=lang))
     # ToDo: Not working correct
     if upload_mode and len(input_l) == 1:
         # If the language of the file is excluded from the users view, it's not imported, to allow the user to view
@@ -1150,7 +1154,7 @@ def upload_single_file(file_request, book, book_id):
         # check for empty request
         if requested_file.filename != '':
             if not current_user.role_upload():
-                flash(_(u"User has no rights to upload additional file formats"), category="error")
+                flash(_("User has no rights to upload additional file formats"), category="error")
                 return False
             if '.' in requested_file.filename:
                 file_ext = requested_file.filename.rsplit('.', 1)[-1].lower()
@@ -1171,12 +1175,12 @@ def upload_single_file(file_request, book, book_id):
                 try:
                     os.makedirs(filepath)
                 except OSError:
-                    flash(_(u"Failed to create path %(path)s (Permission denied).", path=filepath), category="error")
+                    flash(_("Failed to create path %(path)s (Permission denied).", path=filepath), category="error")
                     return False
             try:
                 requested_file.save(saved_filename)
             except OSError:
-                flash(_(u"Failed to store file %(file)s.", file=saved_filename), category="error")
+                flash(_("Failed to store file %(file)s.", file=saved_filename), category="error")
                 return False
 
             file_size = os.path.getsize(saved_filename)
@@ -1194,12 +1198,12 @@ def upload_single_file(file_request, book, book_id):
                 except (OperationalError, IntegrityError, StaleDataError) as e:
                     calibre_db.session.rollback()
                     log.error_or_exception("Database error: {}".format(e))
-                    flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+                    flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
                     return False  # return redirect(url_for('web.show_book', book_id=book.id))
 
             # Queue uploader info
             link = '<a href="{}">{}</a>'.format(url_for('web.show_book', book_id=book.id), escape(book.title))
-            upload_text = N_(u"File format %(ext)s added to %(book)s", ext=file_ext.upper(), book=link)
+            upload_text = N_("File format %(ext)s added to %(book)s", ext=file_ext.upper(), book=link)
             WorkerThread.add(current_user.name, TaskUpload(upload_text, escape(book.title)))
 
             return uploader.process(
@@ -1214,7 +1218,7 @@ def upload_cover(cover_request, book):
         # check for empty request
         if requested_file.filename != '':
             if not current_user.role_upload():
-                flash(_(u"User has no rights to upload cover"), category="error")
+                flash(_("User has no rights to upload cover"), category="error")
                 return False
             ret, message = helper.save_cover(requested_file, book.path)
             if ret is True:

cps/epub.py

@@ -80,13 +80,13 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
     if epub_metadata['subject'] == 'Unknown':
         epub_metadata['subject'] = ''
 
-    if epub_metadata['publisher'] == u'Unknown':
+    if epub_metadata['publisher'] == 'Unknown':
         epub_metadata['publisher'] = ''
 
-    if epub_metadata['date'] == u'Unknown':
+    if epub_metadata['date'] == 'Unknown':
         epub_metadata['date'] = ''
 
-    if epub_metadata['description'] == u'Unknown':
+    if epub_metadata['description'] == 'Unknown':
         description = tree.xpath("//*[local-name() = 'description']/text()")
         if len(description) > 0:
             epub_metadata['description'] = description
@@ -102,11 +102,14 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
 
     identifiers = []
     for node in p.xpath('dc:identifier', namespaces=ns):
-        identifier_name=node.attrib.values()[-1];
+        try:
-        identifier_value=node.text;
+            identifier_name = node.attrib.values()[-1]
-        if identifier_name in ('uuid','calibre'):
+        except IndexError:
-            continue;
+            continue
-        identifiers.append( [identifier_name, identifier_value] )
+        identifier_value = node.text
+        if identifier_name in ('uuid', 'calibre') or identifier_value is None:
+            continue
+        identifiers.append([identifier_name, identifier_value])
 
     if not epub_metadata['title']:
         title = original_file_name

cps/fb2.py

@@ -38,19 +38,19 @@ def get_fb2_info(tmp_file_path, original_file_extension):
         if len(last_name):
             last_name = last_name[0]
         else:
-            last_name = u''
+            last_name = ''
         middle_name = element.xpath('fb:middle-name/text()', namespaces=ns)
         if len(middle_name):
             middle_name = middle_name[0]
         else:
-            middle_name = u''
+            middle_name = ''
         first_name = element.xpath('fb:first-name/text()', namespaces=ns)
         if len(first_name):
             first_name = first_name[0]
         else:
-            first_name = u''
+            first_name = ''
-        return (first_name + u' '
+        return (first_name + ' '
-                + middle_name + u' '
+                + middle_name + ' '
                 + last_name)
 
     author = str(", ".join(map(get_author, authors)))
@@ -59,12 +59,12 @@ def get_fb2_info(tmp_file_path, original_file_extension):
     if len(title):
         title = str(title[0])
     else:
-        title = u''
+        title = ''
     description = tree.xpath('/fb:FictionBook/fb:description/fb:publish-info/fb:book-name/text()', namespaces=ns)
     if len(description):
         description = str(description[0])
     else:
-        description = u''
+        description = ''
 
     return BookMeta(
         file_path=tmp_file_path,

cps/gdrive.py

@@ -55,7 +55,7 @@ def authenticate_google_drive():
     try:
         authUrl = gdriveutils.Gauth.Instance().auth.GetAuthUrl()
     except gdriveutils.InvalidConfigError:
-        flash(_(u'Google Drive setup not completed, try to deactivate and activate Google Drive again'),
+        flash(_('Google Drive setup not completed, try to deactivate and activate Google Drive again'),
               category="error")
         return redirect(url_for('web.index'))
     return redirect(authUrl)
@@ -91,9 +91,9 @@ def watch_gdrive():
             config.save()
         except HttpError as e:
             reason=json.loads(e.content)['error']['errors'][0]
-            if reason['reason'] == u'push.webhookUrlUnauthorized':
+            if reason['reason'] == 'push.webhookUrlUnauthorized':
-                flash(_(u'Callback domain is not verified, '
+                flash(_('Callback domain is not verified, '
-                        u'please follow steps to verify domain in google developer console'), category="error")
+                        'please follow steps to verify domain in google developer console'), category="error")
             else:
                 flash(reason['message'], category="error")
 

cps/gdriveutils.py

@@ -556,7 +556,7 @@ def updateGdriveCalibreFromLocal():
 
 # update gdrive.db on edit of books title
 def updateDatabaseOnEdit(ID,newPath):
-    sqlCheckPath = newPath if newPath[-1] == '/' else newPath + u'/'
+    sqlCheckPath = newPath if newPath[-1] == '/' else newPath + '/'
     storedPathName = session.query(GdriveId).filter(GdriveId.gdrive_id == ID).first()
     if storedPathName:
         storedPathName.path = sqlCheckPath
@@ -578,6 +578,7 @@ def deleteDatabaseEntry(ID):
 
 
 # Gets cover file from gdrive
+# ToDo: Check is this right everyone get read permissions on cover files?
 def get_cover_via_gdrive(cover_path):
     df = getFileFromEbooksFolder(cover_path, 'cover.jpg')
     if df:
@@ -600,6 +601,29 @@ def get_cover_via_gdrive(cover_path):
     else:
         return None
 
+# Gets cover file from gdrive
+def get_metadata_backup_via_gdrive(metadata_path):
+    df = getFileFromEbooksFolder(metadata_path, 'metadata.opf')
+    if df:
+        if not session.query(PermissionAdded).filter(PermissionAdded.gdrive_id == df['id']).first():
+            df.GetPermissions()
+            df.InsertPermission({
+                            'type': 'anyone',
+                            'value': 'anyone',
+                            'role': 'writer',       # ToDo needs write access
+                            'withLink': True})
+            permissionAdded = PermissionAdded()
+            permissionAdded.gdrive_id = df['id']
+            session.add(permissionAdded)
+            try:
+                session.commit()
+            except OperationalError as ex:
+                log.error_or_exception('Database error: {}'.format(ex))
+                session.rollback()
+        return df.metadata.get('webContentLink')
+    else:
+        return None
+
 # Creates chunks for downloading big files
 def partial(total_byte_len, part_size_limit):
     s = []

cps/helper.py

@@ -31,6 +31,7 @@ import unidecode
 from flask import send_from_directory, make_response, redirect, abort, url_for
 from flask_babel import gettext as _
 from flask_babel import lazy_gettext as N_
+from flask_babel import get_locale
 from flask_login import current_user
 from sqlalchemy.sql.expression import true, false, and_, or_, text, func
 from sqlalchemy.exc import InvalidRequestError, OperationalError
@@ -57,6 +58,7 @@ from .subproc_wrapper import process_wait
 from .services.worker import WorkerThread
 from .tasks.mail import TaskEmail
 from .tasks.thumbnail import TaskClearCoverThumbnailCache, TaskGenerateCoverThumbnails
+from .tasks.metadata_backup import TaskBackupMetadata
 
 log = logger.create()
 
@@ -74,30 +76,30 @@ except (ImportError, RuntimeError) as e:
 def convert_book_format(book_id, calibre_path, old_book_format, new_book_format, user_id, ereader_mail=None):
     book = calibre_db.get_book(book_id)
     data = calibre_db.get_book_format(book.id, old_book_format)
-    file_path = os.path.join(calibre_path, book.path, data.name)
     if not data:
-        error_message = _(u"%(format)s format not found for book id: %(book)d", format=old_book_format, book=book_id)
+        error_message = _("%(format)s format not found for book id: %(book)d", format=old_book_format, book=book_id)
         log.error("convert_book_format: %s", error_message)
         return error_message
+    file_path = os.path.join(calibre_path, book.path, data.name)
     if config.config_use_google_drive:
         if not gd.getFileFromEbooksFolder(book.path, data.name + "." + old_book_format.lower()):
-            error_message = _(u"%(format)s not found on Google Drive: %(fn)s",
+            error_message = _("%(format)s not found on Google Drive: %(fn)s",
                               format=old_book_format, fn=data.name + "." + old_book_format.lower())
             return error_message
     else:
         if not os.path.exists(file_path + "." + old_book_format.lower()):
-            error_message = _(u"%(format)s not found: %(fn)s",
+            error_message = _("%(format)s not found: %(fn)s",
                               format=old_book_format, fn=data.name + "." + old_book_format.lower())
             return error_message
     # read settings and append converter task to queue
     if ereader_mail:
         settings = config.get_mail_settings()
-        settings['subject'] = _('Send to E-Reader')  # pretranslate Subject for e-mail
+        settings['subject'] = _('Send to eReader')  # pretranslate Subject for Email
-        settings['body'] = _(u'This e-mail has been sent via Calibre-Web.')
+        settings['body'] = _('This Email has been sent via Calibre-Web.')
     else:
         settings = dict()
     link = '<a href="{}">{}</a>'.format(url_for('web.show_book', book_id=book.id), escape(book.title))  # prevent xss
-    txt = u"{} -> {}: {}".format(
+    txt = "{} -> {}: {}".format(
            old_book_format.upper(),
            new_book_format.upper(),
            link)
@@ -109,30 +111,30 @@ def convert_book_format(book_id, calibre_path, old_book_format, new_book_format,
 
 # Texts are not lazy translated as they are supposed to get send out as is
 def send_test_mail(ereader_mail, user_name):
-    WorkerThread.add(user_name, TaskEmail(_(u'Calibre-Web test e-mail'), None, None,
+    WorkerThread.add(user_name, TaskEmail(_('Calibre-Web Test Email'), None, None,
-                     config.get_mail_settings(), ereader_mail, N_(u"Test e-mail"),
+                     config.get_mail_settings(), ereader_mail, N_("Test Email"),
-                                          _(u'This e-mail has been sent via Calibre-Web.')))
+                                          _('This Email has been sent via Calibre-Web.')))
     return
 
 
 # Send registration email or password reset email, depending on parameter resend (False means welcome email)
 def send_registration_mail(e_mail, user_name, default_password, resend=False):
-    txt = "Hello %s!\r\n" % user_name
+    txt = "Hi %s!\r\n" % user_name
     if not resend:
-        txt += "Your new account at Calibre-Web has been created. Thanks for joining us!\r\n"
+        txt += "Your account at Calibre-Web has been created.\r\n"
-    txt += "Please log in to your account using the following informations:\r\n"
+    txt += "Please log in using the following information:\r\n"
-    txt += "User name: %s\r\n" % user_name
+    txt += "Username: %s\r\n" % user_name
     txt += "Password: %s\r\n" % default_password
-    txt += "Don't forget to change your password after first login.\r\n"
+    txt += "Don't forget to change your password after your first login.\r\n"
-    txt += "Sincerely\r\n\r\n"
+    txt += "Regards,\r\n\r\n"
-    txt += "Your Calibre-Web team"
+    txt += "Calibre-Web"
     WorkerThread.add(None, TaskEmail(
-        subject=_(u'Get Started with Calibre-Web'),
+        subject=_('Get Started with Calibre-Web'),
         filepath=None,
         attachment=None,
         settings=config.get_mail_settings(),
         recipient=e_mail,
-        task_message=N_(u"Registration e-mail for user: %(name)s", name=user_name),
+        task_message=N_("Registration Email for user: %(name)s", name=user_name),
         text=txt
     ))
     return
@@ -143,13 +145,13 @@ def check_send_to_ereader_with_converter(formats):
     if 'MOBI' in formats and 'EPUB' not in formats:
         book_formats.append({'format': 'Epub',
                              'convert': 1,
-                             'text': _('Convert %(orig)s to %(format)s and send to E-Reader',
+                             'text': _('Convert %(orig)s to %(format)s and send to eReader',
                                        orig='Mobi',
                                        format='Epub')})
     if 'AZW3' in formats and 'EPUB' not in formats:
         book_formats.append({'format': 'Epub',
                              'convert': 2,
-                             'text': _('Convert %(orig)s to %(format)s and send to E-Reader',
+                             'text': _('Convert %(orig)s to %(format)s and send to eReader',
                                        orig='Azw3',
                                        format='Epub')})
     return book_formats
@@ -157,7 +159,7 @@ def check_send_to_ereader_with_converter(formats):
 
 def check_send_to_ereader(entry):
     """
-        returns all available book formats for sending to E-Reader
+        returns all available book formats for sending to eReader
     """
     formats = list()
     book_formats = list()
@@ -168,24 +170,24 @@ def check_send_to_ereader(entry):
         if 'EPUB' in formats:
             book_formats.append({'format': 'Epub',
                                  'convert': 0,
-                                 'text': _('Send %(format)s to E-Reader', format='Epub')})
+                                 'text': _('Send %(format)s to eReader', format='Epub')})
         if 'MOBI' in formats:
             book_formats.append({'format': 'Mobi',
                                  'convert': 0,
-                                 'text': _('Send %(format)s to E-Reader', format='Mobi')})
+                                 'text': _('Send %(format)s to eReader', format='Mobi')})
         if 'PDF' in formats:
             book_formats.append({'format': 'Pdf',
                                  'convert': 0,
-                                 'text': _('Send %(format)s to E-Reader', format='Pdf')})
+                                 'text': _('Send %(format)s to eReader', format='Pdf')})
         if 'AZW' in formats:
             book_formats.append({'format': 'Azw',
                                  'convert': 0,
-                                 'text': _('Send %(format)s to E-Reader', format='Azw')})
+                                 'text': _('Send %(format)s to eReader', format='Azw')})
         if config.config_converterpath:
             book_formats.extend(check_send_to_ereader_with_converter(formats))
         return book_formats
     else:
-        log.error(u'Cannot find book entry %d', entry.id)
+        log.error('Cannot find book entry %d', entry.id)
         return None
 
 
@@ -202,30 +204,30 @@ def check_read_formats(entry):
 
 
 # Files are processed in the following order/priority:
-# 1: If Mobi file is existing, it's directly send to E-Reader email,
+# 1: If Mobi file is existing, it's directly send to eReader email,
-# 2: If Epub file is existing, it's converted and send to E-Reader email,
+# 2: If Epub file is existing, it's converted and send to eReader email,
-# 3: If Pdf file is existing, it's directly send to E-Reader email
+# 3: If Pdf file is existing, it's directly send to eReader email
 def send_mail(book_id, book_format, convert, ereader_mail, calibrepath, user_id):
     """Send email with attachments"""
     book = calibre_db.get_book(book_id)
 
     if convert == 1:
         # returns None if success, otherwise errormessage
-        return convert_book_format(book_id, calibrepath, u'epub', book_format.lower(), user_id, ereader_mail)
+        return convert_book_format(book_id, calibrepath, 'epub', book_format.lower(), user_id, ereader_mail)
     if convert == 2:
         # returns None if success, otherwise errormessage
-        return convert_book_format(book_id, calibrepath, u'azw3', book_format.lower(), user_id, ereader_mail)
+        return convert_book_format(book_id, calibrepath, 'azw3', book_format.lower(), user_id, ereader_mail)
 
     for entry in iter(book.data):
         if entry.format.upper() == book_format.upper():
             converted_file_name = entry.name + '.' + book_format.lower()
             link = '<a href="{}">{}</a>'.format(url_for('web.show_book', book_id=book_id), escape(book.title))
-            email_text = N_(u"%(book)s send to E-Reader", book=link)
+            email_text = N_("%(book)s send to eReader", book=link)
-            WorkerThread.add(user_id, TaskEmail(_(u"Send to E-Reader"), book.path, converted_file_name,
+            WorkerThread.add(user_id, TaskEmail(_("Send to eReader"), book.path, converted_file_name,
                              config.get_mail_settings(), ereader_mail,
-                             email_text, _(u'This e-mail has been sent via Calibre-Web.')))
+                             email_text, _('This Email has been sent via Calibre-Web.')))
             return
-    return _(u"The requested file could not be read. Maybe wrong permissions?")
+    return _("The requested file could not be read. Maybe wrong permissions?")
 
 
 def get_valid_filename(value, replace_whitespace=True, chars=128):
@@ -233,16 +235,16 @@ def get_valid_filename(value, replace_whitespace=True, chars=128):
     Returns the given string converted to a string that can be used for a clean
     filename. Limits num characters to 128 max.
     """
-    if value[-1:] == u'.':
+    if value[-1:] == '.':
-        value = value[:-1]+u'_'
+        value = value[:-1]+'_'
     value = value.replace("/", "_").replace(":", "_").strip('\0')
     if config.config_unicode_filename:
         value = (unidecode.unidecode(value))
     if replace_whitespace:
         #  *+:\"/<>? are replaced by _
-        value = re.sub(r'[*+:\\\"/<>?]+', u'_', value, flags=re.U)
+        value = re.sub(r'[*+:\\\"/<>?]+', '_', value, flags=re.U)
         # pipe has to be replaced with comma
-        value = re.sub(r'[|]+', u',', value, flags=re.U)
+        value = re.sub(r'[|]+', ',', value, flags=re.U)
 
     value = value.encode('utf-8')[:chars].decode('utf-8', errors='ignore').strip()
 
@@ -339,7 +341,7 @@ def edit_book_read_status(book_id, read_status=None):
             return "Custom Column No.{} does not exist in calibre database".format(config.config_read_column)
         except (OperationalError, InvalidRequestError) as ex:
             calibre_db.session.rollback()
-            log.error(u"Read status could not set: {}".format(ex))
+            log.error("Read status could not set: {}".format(ex))
             return _("Read status could not set: {}".format(ex.orig))
     return ""
 
@@ -414,8 +416,8 @@ def clean_author_database(renamed_author, calibre_path="", local_book=None, gdri
                         g_file = gd.getFileFromEbooksFolder(all_new_path,
                                                             file_format.name + '.' + file_format.format.lower())
                         if g_file:
-                            gd.moveGdriveFileRemote(g_file, all_new_name + u'.' + file_format.format.lower())
+                            gd.moveGdriveFileRemote(g_file, all_new_name + '.' + file_format.format.lower())
-                            gd.updateDatabaseOnEdit(g_file['id'], all_new_name + u'.' + file_format.format.lower())
+                            gd.updateDatabaseOnEdit(g_file['id'], all_new_name + '.' + file_format.format.lower())
                         else:
                             log.error("File {} not found on gdrive"
                                       .format(all_new_path, file_format.name + '.' + file_format.format.lower()))
@@ -508,25 +510,25 @@ def update_dir_structure_gdrive(book_id, first_author, renamed_author):
     authordir = book.path.split('/')[0]
     titledir = book.path.split('/')[1]
     new_authordir = rename_all_authors(first_author, renamed_author, gdrive=True)
-    new_titledir = get_valid_filename(book.title, chars=96) + u" (" + str(book_id) + u")"
+    new_titledir = get_valid_filename(book.title, chars=96) + " (" + str(book_id) + ")"
 
     if titledir != new_titledir:
         g_file = gd.getFileFromEbooksFolder(os.path.dirname(book.path), titledir)
         if g_file:
             gd.moveGdriveFileRemote(g_file, new_titledir)
-            book.path = book.path.split('/')[0] + u'/' + new_titledir
+            book.path = book.path.split('/')[0] + '/' + new_titledir
             gd.updateDatabaseOnEdit(g_file['id'], book.path)     # only child folder affected
         else:
-            return _(u'File %(file)s not found on Google Drive', file=book.path)  # file not found
+            return _('File %(file)s not found on Google Drive', file=book.path)  # file not found
 
     if authordir != new_authordir and authordir not in renamed_author:
         g_file = gd.getFileFromEbooksFolder(os.path.dirname(book.path), new_titledir)
         if g_file:
             gd.moveGdriveFolderRemote(g_file, new_authordir)
-            book.path = new_authordir + u'/' + book.path.split('/')[1]
+            book.path = new_authordir + '/' + book.path.split('/')[1]
             gd.updateDatabaseOnEdit(g_file['id'], book.path)
         else:
-            return _(u'File %(file)s not found on Google Drive', file=authordir)  # file not found
+            return _('File %(file)s not found on Google Drive', file=authordir)  # file not found
 
     # change location in database to new author/title path
     book.path = os.path.join(new_authordir, new_titledir).replace('\\', '/')
@@ -598,7 +600,7 @@ def delete_book_gdrive(book, book_format):
         gd.deleteDatabaseEntry(g_file['id'])
         g_file.Trash()
     else:
-        error = _(u'Book path %(path)s not found on Google Drive', path=book.path)  # file not found
+        error = _('Book path %(path)s not found on Google Drive', path=book.path)  # file not found
 
     return error is None, error
 
@@ -638,26 +640,28 @@ def uniq(inpt):
 def check_email(email):
     email = valid_email(email)
     if ub.session.query(ub.User).filter(func.lower(ub.User.email) == email.lower()).first():
-        log.error(u"Found an existing account for this e-mail address")
+        log.error("Found an existing account for this Email address")
-        raise Exception(_(u"Found an existing account for this e-mail address"))
+        raise Exception(_("Found an existing account for this Email address"))
     return email
 
 
 def check_username(username):
     username = username.strip()
     if ub.session.query(ub.User).filter(func.lower(ub.User.name) == username.lower()).scalar():
-        log.error(u"This username is already taken")
+        log.error("This username is already taken")
-        raise Exception(_(u"This username is already taken"))
+        raise Exception(_("This username is already taken"))
     return username
 
 
 def valid_email(email):
     email = email.strip()
+    # if email is not deleted
+    if email:
         # Regex according to https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/email#validation
         if not re.search(r"^[\w.!#$%&'*+\\/=?^_`{|}~-]+@[\w](?:[\w-]{0,61}[\w])?(?:\.[\w](?:[\w-]{0,61}[\w])?)*$",
                          email):
-        log.error(u"Invalid e-mail address format")
+            log.error("Invalid Email address format")
-        raise Exception(_(u"Invalid e-mail address format"))
+            raise Exception(_("Invalid Email address format"))
     return email
 
 def valid_password(check_password):
@@ -700,6 +704,7 @@ def update_dir_structure(book_id,
 def delete_book(book, calibrepath, book_format):
     if not book_format:
         clear_cover_thumbnail_cache(book.id) ## here it breaks
+        calibre_db.delete_dirty_metadata(book.id)
     if config.config_use_google_drive:
         return delete_book_gdrive(book, book_format)
     else:
@@ -849,8 +854,8 @@ def save_cover_from_filestorage(filepath, saved_filename, img):
         try:
             os.makedirs(filepath)
         except OSError:
-            log.error(u"Failed to create path for cover")
+            log.error("Failed to create path for cover")
-            return False, _(u"Failed to create path for cover")
+            return False, _("Failed to create path for cover")
     try:
         # upload of jgp file without wand
         if isinstance(img, requests.Response):
@@ -865,8 +870,8 @@ def save_cover_from_filestorage(filepath, saved_filename, img):
                 # upload of jpg/png... from hdd
                 img.save(os.path.join(filepath, saved_filename))
     except (IOError, OSError):
-        log.error(u"Cover-file is not a valid image file, or could not be stored")
+        log.error("Cover-file is not a valid image file, or could not be stored")
-        return False, _(u"Cover-file is not a valid image file, or could not be stored")
+        return False, _("Cover-file is not a valid image file, or could not be stored")
     return True, None
 
 
@@ -956,7 +961,7 @@ def check_unrar(unrar_location):
 
     except (OSError, UnicodeDecodeError) as err:
         log.error_or_exception(err)
-        return _('Error excecuting UnRar')
+        return _('Error executing UnRar')
 
 
 def json_serial(obj):
@@ -1045,3 +1050,11 @@ def add_book_to_thumbnail_cache(book_id):
 def update_thumbnail_cache():
     if config.schedule_generate_book_covers:
         WorkerThread.add(None, TaskGenerateCoverThumbnails())
+
+
+def set_all_metadata_dirty():
+    WorkerThread.add(None, TaskBackupMetadata(export_language=get_locale(),
+                                              translated_title=_("Cover"),
+                                              set_dirty=True,
+                                              task_message=N_("Queue all books for metadata backup")),
+                     hidden=False)

cps/kobo.py

@@ -45,6 +45,7 @@ import requests
 
 
 from . import config, logger, kobo_auth, db, calibre_db, helper, shelf as shelf_lib, ub, csrf, kobo_sync_status
+from . import isoLanguages
 from .constants import sqlalchemy_version2, COVER_THUMBNAIL_SMALL
 from .helper import get_download_link
 from .services import SyncToken as SyncToken
@@ -155,7 +156,7 @@ def HandleSyncRequest():
     new_archived_last_modified = datetime.datetime.min
     sync_results = []
 
-    # We reload the book database so that the user get's a fresh view of the library
+    # We reload the book database so that the user gets a fresh view of the library
     # in case of external changes (e.g: adding a book through Calibre).
     calibre_db.reconnect_db(config, ub.app_DB_path)
 
@@ -355,7 +356,7 @@ def HandleMetadataRequest(book_uuid):
     log.info("Kobo library metadata request received for book %s" % book_uuid)
     book = calibre_db.get_book_by_uuid(book_uuid)
     if not book or not book.data:
-        log.info(u"Book %s not found in database", book_uuid)
+        log.info("Book %s not found in database", book_uuid)
         return redirect_or_proxy_request()
 
     metadata = get_metadata(book)
@@ -443,6 +444,12 @@ def get_seriesindex(book):
     return book.series_index or 1
 
 
+def get_language(book):
+    if not book.languages:
+        return 'en'
+    return isoLanguages.get(part3=book.languages[0].lang_code).part1
+
+
 def get_metadata(book):
     download_urls = []
     kepub = [data for data in book.data if data.format == 'KEPUB']
@@ -480,7 +487,7 @@ def get_metadata(book):
         "IsInternetArchive": False,
         "IsPreOrder": False,
         "IsSocialEnabled": True,
-        "Language": "en",
+        "Language": get_language(book),
         "PhoneticPronunciations": {},
         "PublicationDate": convert_to_kobo_timestamp_string(book.pubdate),
         "Publisher": {"Imprint": "", "Name": get_publisher(book), },
@@ -508,7 +515,7 @@ def get_metadata(book):
 @requires_kobo_auth
 # Creates a Shelf with the given items, and returns the shelf's uuid.
 def HandleTagCreate():
-    # catch delete requests, otherwise the are handeld in the book delete handler
+    # catch delete requests, otherwise the are handled in the book delete handler
     if request.method == "DELETE":
         abort(405)
     name, items = None, None
@@ -752,7 +759,7 @@ def create_kobo_tag(shelf):
     for book_shelf in shelf.books:
         book = calibre_db.get_book(book_shelf.book_id)
         if not book:
-            log.info(u"Book (id: %s) in BookShelf (id: %s) not found in book database",  book_shelf.book_id, shelf.id)
+            log.info("Book (id: %s) in BookShelf (id: %s) not found in book database",  book_shelf.book_id, shelf.id)
             continue
         tag["Items"].append(
             {
@@ -769,7 +776,7 @@ def create_kobo_tag(shelf):
 def HandleStateRequest(book_uuid):
     book = calibre_db.get_book_by_uuid(book_uuid)
     if not book or not book.data:
-        log.info(u"Book %s not found in database", book_uuid)
+        log.info("Book %s not found in database", book_uuid)
         return redirect_or_proxy_request()
 
     kobo_reading_state = get_or_create_reading_state(book.id)
@@ -944,7 +951,7 @@ def HandleBookDeletionRequest(book_uuid):
     log.info("Kobo book delete request received for book %s" % book_uuid)
     book = calibre_db.get_book_by_uuid(book_uuid)
     if not book:
-        log.info(u"Book %s not found in database", book_uuid)
+        log.info("Book %s not found in database", book_uuid)
         return redirect_or_proxy_request()
 
     book_id = book.id
@@ -958,7 +965,7 @@ def HandleBookDeletionRequest(book_uuid):
 @csrf.exempt
 @kobo.route("/v1/library/<dummy>", methods=["DELETE", "GET"])
 def HandleUnimplementedRequest(dummy=None):
-    log.debug("Unimplemented Library Request received: %s", request.base_url)
+    log.debug("Unimplemented Library Request received: %s (request is forwarded to kobo if configured)", request.base_url)
     return redirect_or_proxy_request()
 
 
@@ -970,7 +977,7 @@ def HandleUnimplementedRequest(dummy=None):
 @kobo.route("/v1/user/recommendations", methods=["GET", "POST"])
 @kobo.route("/v1/analytics/<dummy>", methods=["GET", "POST"])
 def HandleUserRequest(dummy=None):
-    log.debug("Unimplemented User Request received: %s", request.base_url)
+    log.debug("Unimplemented User Request received: %s (request is forwarded to kobo if configured)", request.base_url)
     return redirect_or_proxy_request()
 
 
@@ -1010,7 +1017,7 @@ def handle_getests():
 @kobo.route("/v1/affiliate", methods=["GET", "POST"])
 @kobo.route("/v1/deals", methods=["GET", "POST"])
 def HandleProductsRequest(dummy=None):
-    log.debug("Unimplemented Products Request received: %s", request.base_url)
+    log.debug("Unimplemented Products Request received: %s (request is forwarded to kobo if configured)", request.base_url)
     return redirect_or_proxy_request()
 
 

cps/kobo_auth.py

@@ -113,7 +113,7 @@ def generate_auth_token(user_id):
 
     return render_title_template(
         "generate_kobo_auth_url.html",
-        title=_(u"Kobo Setup"),
+        title=_("Kobo Setup"),
         auth_token=auth_token.auth_token,
         warning = warning
     )

cps/metadata_provider/amazon.py

@@ -63,11 +63,11 @@ class Amazon(Metadata):
                     r.raise_for_status()
                 except Exception as ex:
                     log.warning(ex)
-                    return
+                    return None
                 long_soup = BS(r.text, "lxml")  #~4sec :/
                 soup2 = long_soup.find("div", attrs={"cel_widget_id": "dpx-books-ppd_csm_instrumentation_wrapper"})
                 if soup2 is None:
-                    return
+                    return None
                 try:
                     match = MetaRecord(
                         title = "",
@@ -115,7 +115,7 @@ class Amazon(Metadata):
                     return match, index
                 except Exception as e:
                     log.error_or_exception(e)
-                    return
+                    return None
 
         val = list()
         if self.active:
@@ -127,10 +127,10 @@ class Amazon(Metadata):
                 results.raise_for_status()
             except requests.exceptions.HTTPError as e:
                 log.error_or_exception(e)
-                return None
+                return []
             except Exception as e:
                 log.warning(e)
-                return None
+                return []
             soup = BS(results.text, 'html.parser')
             links_list = [next(filter(lambda i: "digital-text" in i["href"], x.findAll("a")))["href"] for x in
                           soup.findAll("div", attrs={"data-component-type": "s-search-result"})]

cps/metadata_provider/douban.py

@@ -43,7 +43,8 @@ class Douban(Metadata):
     __id__ = "douban"
     DESCRIPTION = "豆瓣"
     META_URL = "https://book.douban.com/"
-    SEARCH_URL = "https://www.douban.com/j/search"
+    SEARCH_JSON_URL = "https://www.douban.com/j/search"
+    SEARCH_URL = "https://www.douban.com/search"
 
     ID_PATTERN = re.compile(r"sid: (?P<id>\d+),")
     AUTHORS_PATTERN = re.compile(r"作者|译者")
@@ -52,6 +53,7 @@ class Douban(Metadata):
     PUBLISHED_DATE_PATTERN = re.compile(r"出版年")
     SERIES_PATTERN = re.compile(r"丛书")
     IDENTIFIERS_PATTERN = re.compile(r"ISBN|统一书号")
+    CRITERIA_PATTERN = re.compile("criteria = '(.+)'")
 
     TITTLE_XPATH = "//span[@property='v:itemreviewed']"
     COVER_XPATH = "//a[@class='nbg']"
@@ -66,53 +68,87 @@ class Douban(Metadata):
         'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36 Edg/98.0.1108.56',
     }
 
-    def search(
+    def search(self,
-        self, query: str, generic_cover: str = "", locale: str = "en"
+               query: str,
-    ) -> Optional[List[MetaRecord]]:
+               generic_cover: str = "",
+               locale: str = "en") -> List[MetaRecord]:
+        val = []
         if self.active:
-            log.debug(f"starting search {query} on douban")
+            log.debug(f"start searching {query} on douban")
             if title_tokens := list(
-                self.get_title_tokens(query, strip_joiners=False)
+                    self.get_title_tokens(query, strip_joiners=False)):
-            ):
                 query = "+".join(title_tokens)
 
+            book_id_list = self._get_book_id_list_from_html(query)
+
+            if not book_id_list:
+                log.debug("No search results in Douban")
+                return []
+
+            with futures.ThreadPoolExecutor(
+                    max_workers=5, thread_name_prefix='douban') as executor:
+
+                fut = [
+                    executor.submit(self._parse_single_book, book_id,
+                                    generic_cover) for book_id in book_id_list
+                ]
+
+                val = [
+                    future.result() for future in futures.as_completed(fut)
+                    if future.result()
+                ]
+
+        return val
+
+    def _get_book_id_list_from_html(self, query: str) -> List[str]:
         try:
-                r = self.session.get(
+            r = self.session.get(self.SEARCH_URL,
-                    self.SEARCH_URL, params={"cat": 1001, "q": query}
+                                 params={
-                )
+                                     "cat": 1001,
+                                     "q": query
+                                 })
             r.raise_for_status()
 
         except Exception as e:
             log.warning(e)
-                return None
+            return []
+
+        html = etree.HTML(r.content.decode("utf8"))
+        result_list = html.xpath(self.COVER_XPATH)
+
+        return [
+            self.ID_PATTERN.search(item.get("onclick")).group("id")
+            for item in result_list[:10]
+            if self.ID_PATTERN.search(item.get("onclick"))
+        ]
+
+    def _get_book_id_list_from_json(self, query: str) -> List[str]:
+        try:
+            r = self.session.get(self.SEARCH_JSON_URL,
+                                 params={
+                                     "cat": 1001,
+                                     "q": query
+                                 })
+            r.raise_for_status()
+
+        except Exception as e:
+            log.warning(e)
+            return []
 
         results = r.json()
         if results["total"] == 0:
             return []
 
-            book_id_list = [
+        return [
             self.ID_PATTERN.search(item).group("id")
             for item in results["items"][:10] if self.ID_PATTERN.search(item)
         ]
 
-            with futures.ThreadPoolExecutor(max_workers=5) as executor:
+    def _parse_single_book(self,
-
+                           id: str,
-                fut = [
+                           generic_cover: str = "") -> Optional[MetaRecord]:
-                    executor.submit(self._parse_single_book, book_id, generic_cover)
-                    for book_id in book_id_list
-                ]
-                
-                val = [
-                    future.result() 
-                    for future in futures.as_completed(fut) if future.result()
-                ]
-
-        return val
-
-    def _parse_single_book(
-        self, id: str, generic_cover: str = ""
-    ) -> Optional[MetaRecord]:
         url = f"https://book.douban.com/subject/{id}/"
+        log.debug(f"start parsing {url}")
 
         try:
             r = self.session.get(url)
@@ -136,7 +172,8 @@ class Douban(Metadata):
         html = etree.HTML(r.content.decode("utf8"))
 
         match.title = html.xpath(self.TITTLE_XPATH)[0].text
-        match.cover = html.xpath(self.COVER_XPATH)[0].attrib["href"] or generic_cover
+        match.cover = html.xpath(
+            self.COVER_XPATH)[0].attrib["href"] or generic_cover
         try:
             rating_num = float(html.xpath(self.RATING_XPATH)[0].text.strip())
         except Exception:
@@ -146,35 +183,39 @@ class Douban(Metadata):
         tag_elements = html.xpath(self.TAGS_XPATH)
         if len(tag_elements):
             match.tags = [tag_element.text for tag_element in tag_elements]
+        else:
+            match.tags = self._get_tags(html.text)
 
         description_element = html.xpath(self.DESCRIPTION_XPATH)
         if len(description_element):
-            match.description = html2text(etree.tostring(
+            match.description = html2text(
-                description_element[-1], encoding="utf8").decode("utf8"))
+                etree.tostring(description_element[-1]).decode("utf8"))
 
         info = html.xpath(self.INFO_XPATH)
 
         for element in info:
             text = element.text
             if self.AUTHORS_PATTERN.search(text):
-                next = element.getnext()
+                next_element = element.getnext()
-                while next is not None and next.tag != "br":
+                while next_element is not None and next_element.tag != "br":
-                    match.authors.append(next.text)
+                    match.authors.append(next_element.text)
-                    next = next.getnext()
+                    next_element = next_element.getnext()
             elif self.PUBLISHER_PATTERN.search(text):
-                match.publisher = element.tail.strip()
+                if publisher := element.tail.strip():
+                    match.publisher = publisher
+                else:
+                    match.publisher = element.getnext().text
             elif self.SUBTITLE_PATTERN.search(text):
-                match.title = f'{match.title}:' + element.tail.strip()
+                match.title = f'{match.title}:{element.tail.strip()}'
             elif self.PUBLISHED_DATE_PATTERN.search(text):
                 match.publishedDate = self._clean_date(element.tail.strip())
-            elif self.SUBTITLE_PATTERN.search(text):
+            elif self.SERIES_PATTERN.search(text):
                 match.series = element.getnext().text
             elif i_type := self.IDENTIFIERS_PATTERN.search(text):
                 match.identifiers[i_type.group()] = element.tail.strip()
 
         return match
 
-    
     def _clean_date(self, date: str) -> str:
         """
         Clean up the date string to be in the format YYYY-MM-DD
@@ -194,13 +235,24 @@ class Douban(Metadata):
                 if date[i].isdigit():
                     digit.append(date[i])
                 elif digit:
-                    ls.append("".join(digit) if len(digit)==2 else f"0{digit[0]}")
+                    ls.append("".join(digit) if len(digit) ==
+                              2 else f"0{digit[0]}")
                     digit = []
             if digit:
-                ls.append("".join(digit) if len(digit)==2 else f"0{digit[0]}")
+                ls.append("".join(digit) if len(digit) ==
+                          2 else f"0{digit[0]}")
 
             moon = ls[0]
-            if len(ls)>1:
+            if len(ls) > 1:
                 day = ls[1]
 
         return f"{year}-{moon}-{day}"
+
+    def _get_tags(self, text: str) -> List[str]:
+        tags = []
+        if criteria := self.CRITERIA_PATTERN.search(text):
+            tags.extend(
+                item.replace('7:', '') for item in criteria.group().split('|')
+                if item.startswith('7:'))
+
+        return tags

cps/metadata_provider/google.py

@@ -19,6 +19,7 @@
 # Google Books api document: https://developers.google.com/books/docs/v1/using
 from typing import Dict, List, Optional
 from urllib.parse import quote
+from datetime import datetime
 
 import requests
 
@@ -81,7 +82,11 @@ class Google(Metadata):
         match.description = result["volumeInfo"].get("description", "")
         match.languages = self._parse_languages(result=result, locale=locale)
         match.publisher = result["volumeInfo"].get("publisher", "")
+        try:
+            datetime.strptime(result["volumeInfo"].get("publishedDate", ""), "%Y-%m-%d")
             match.publishedDate = result["volumeInfo"].get("publishedDate", "")
+        except ValueError:
+            match.publishedDate = ""
         match.rating = result["volumeInfo"].get("averageRating", 0)
         match.series, match.series_index = "", 1
         match.tags = result["volumeInfo"].get("categories", [])
@@ -103,6 +108,13 @@ class Google(Metadata):
     def _parse_cover(result: Dict, generic_cover: str) -> str:
         if result["volumeInfo"].get("imageLinks"):
             cover_url = result["volumeInfo"]["imageLinks"]["thumbnail"]
+            
+            # strip curl in cover
+            cover_url = cover_url.replace("&edge=curl", "")
+            
+            # request 800x900 cover image (higher resolution)
+            cover_url += "&fife=w800-h900"
+            
             return cover_url.replace("http://", "https://")
         return generic_cover
 

cps/metadata_provider/scholar.py

@@ -49,10 +49,12 @@ class scholar(Metadata):
                 tokens = [quote(t.encode("utf-8")) for t in title_tokens]
                 query = " ".join(tokens)
             try:
+                scholarly.set_timeout(20)
+                scholarly.set_retries(2)
                 scholar_gen = itertools.islice(scholarly.search_pubs(query), 10)
             except Exception as e:
                 log.warning(e)
-                return None
+                return list()
             for result in scholar_gen:
                 match = self._parse_search_result(
                     result=result, generic_cover="", locale=locale

cps/oauth_bb.py

@@ -74,7 +74,7 @@ def register_user_with_oauth(user=None):
     if len(all_oauth.keys()) == 0:
         return
     if user is None:
-        flash(_(u"Register with %(provider)s", provider=", ".join(list(all_oauth.values()))), category="success")
+        flash(_("Register with %(provider)s", provider=", ".join(list(all_oauth.values()))), category="success")
     else:
         for oauth_key in all_oauth.keys():
             # Find this OAuth token in the database, or create it
@@ -134,8 +134,8 @@ def bind_oauth_or_register(provider_id, provider_user_id, redirect_url, provider
         # already bind with user, just login
         if oauth_entry.user:
             login_user(oauth_entry.user)
-            log.debug(u"You are now logged in as: '%s'", oauth_entry.user.name)
+            log.debug("You are now logged in as: '%s'", oauth_entry.user.name)
-            flash(_(u"you are now logged in as: '%(nickname)s'", nickname= oauth_entry.user.name),
+            flash(_("Success! You are now logged in as: %(nickname)s", nickname= oauth_entry.user.name),
                   category="success")
             return redirect(url_for('web.index'))
         else:
@@ -145,21 +145,21 @@ def bind_oauth_or_register(provider_id, provider_user_id, redirect_url, provider
                 try:
                     ub.session.add(oauth_entry)
                     ub.session.commit()
-                    flash(_(u"Link to %(oauth)s Succeeded", oauth=provider_name), category="success")
+                    flash(_("Link to %(oauth)s Succeeded", oauth=provider_name), category="success")
                     log.info("Link to {} Succeeded".format(provider_name))
                     return redirect(url_for('web.profile'))
                 except Exception as ex:
                     log.error_or_exception(ex)
                     ub.session.rollback()
             else:
-                flash(_(u"Login failed, No User Linked With OAuth Account"), category="error")
+                flash(_("Login failed, No User Linked With OAuth Account"), category="error")
             log.info('Login failed, No User Linked With OAuth Account')
             return redirect(url_for('web.login'))
             # return redirect(url_for('web.login'))
             # if config.config_public_reg:
             #   return redirect(url_for('web.register'))
             # else:
-            #    flash(_(u"Public registration is not enabled"), category="error")
+            #    flash(_("Public registration is not enabled"), category="error")
             #    return redirect(url_for(redirect_url))
     except (NoResultFound, AttributeError):
         return redirect(url_for(redirect_url))
@@ -194,15 +194,15 @@ def unlink_oauth(provider):
                 ub.session.delete(oauth_entry)
                 ub.session.commit()
                 logout_oauth_user()
-                flash(_(u"Unlink to %(oauth)s Succeeded", oauth=oauth_check[provider]), category="success")
+                flash(_("Unlink to %(oauth)s Succeeded", oauth=oauth_check[provider]), category="success")
                 log.info("Unlink to {} Succeeded".format(oauth_check[provider]))
             except Exception as ex:
                 log.error_or_exception(ex)
                 ub.session.rollback()
-                flash(_(u"Unlink to %(oauth)s Failed", oauth=oauth_check[provider]), category="error")
+                flash(_("Unlink to %(oauth)s Failed", oauth=oauth_check[provider]), category="error")
     except NoResultFound:
         log.warning("oauth %s for user %d not found", provider, current_user.id)
-        flash(_(u"Not Linked to %(oauth)s", oauth=provider), category="error")
+        flash(_("Not Linked to %(oauth)s", oauth=provider), category="error")
     return redirect(url_for('web.profile'))
 
 def generate_oauth_blueprints():
@@ -258,13 +258,13 @@ if ub.oauth_support:
     @oauth_authorized.connect_via(oauthblueprints[0]['blueprint'])
     def github_logged_in(blueprint, token):
         if not token:
-            flash(_(u"Failed to log in with GitHub."), category="error")
+            flash(_("Failed to log in with GitHub."), category="error")
             log.error("Failed to log in with GitHub")
             return False
 
         resp = blueprint.session.get("/user")
         if not resp.ok:
-            flash(_(u"Failed to fetch user info from GitHub."), category="error")
+            flash(_("Failed to fetch user info from GitHub."), category="error")
             log.error("Failed to fetch user info from GitHub")
             return False
 
@@ -276,13 +276,13 @@ if ub.oauth_support:
     @oauth_authorized.connect_via(oauthblueprints[1]['blueprint'])
     def google_logged_in(blueprint, token):
         if not token:
-            flash(_(u"Failed to log in with Google."), category="error")
+            flash(_("Failed to log in with Google."), category="error")
             log.error("Failed to log in with Google")
             return False
 
         resp = blueprint.session.get("/oauth2/v2/userinfo")
         if not resp.ok:
-            flash(_(u"Failed to fetch user info from Google."), category="error")
+            flash(_("Failed to fetch user info from Google."), category="error")
             log.error("Failed to fetch user info from Google")
             return False
 
@@ -295,8 +295,8 @@ if ub.oauth_support:
     @oauth_error.connect_via(oauthblueprints[0]['blueprint'])
     def github_error(blueprint, error, error_description=None, error_uri=None):
         msg = (
-            u"OAuth error from {name}! "
+            "OAuth error from {name}! "
-            u"error={error} description={description} uri={uri}"
+            "error={error} description={description} uri={uri}"
         ).format(
             name=blueprint.name,
             error=error,
@@ -308,8 +308,8 @@ if ub.oauth_support:
     @oauth_error.connect_via(oauthblueprints[1]['blueprint'])
     def google_error(blueprint, error, error_description=None, error_uri=None):
         msg = (
-            u"OAuth error from {name}! "
+            "OAuth error from {name}! "
-            u"error={error} description={description} uri={uri}"
+            "error={error} description={description} uri={uri}"
         ).format(
             name=blueprint.name,
             error=error,
@@ -329,10 +329,10 @@ def github_login():
         if account_info.ok:
             account_info_json = account_info.json()
             return bind_oauth_or_register(oauthblueprints[0]['id'], account_info_json['id'], 'github.login', 'github')
-        flash(_(u"GitHub Oauth error, please retry later."), category="error")
+        flash(_("GitHub Oauth error, please retry later."), category="error")
         log.error("GitHub Oauth error, please retry later")
     except (InvalidGrantError, TokenExpiredError) as e:
-        flash(_(u"GitHub Oauth error: {}").format(e), category="error")
+        flash(_("GitHub Oauth error: {}").format(e), category="error")
         log.error(e)
     return redirect(url_for('web.login'))
 
@@ -353,10 +353,10 @@ def google_login():
         if resp.ok:
             account_info_json = resp.json()
             return bind_oauth_or_register(oauthblueprints[1]['id'], account_info_json['id'], 'google.login', 'google')
-        flash(_(u"Google Oauth error, please retry later."), category="error")
+        flash(_("Google Oauth error, please retry later."), category="error")
         log.error("Google Oauth error, please retry later")
     except (InvalidGrantError, TokenExpiredError) as e:
-        flash(_(u"Google Oauth error: {}").format(e), category="error")
+        flash(_("Google Oauth error: {}").format(e), category="error")
         log.error(e)
     return redirect(url_for('web.login'))
 

cps/opds.py

@@ -329,7 +329,7 @@ def feed_format(book_id):
 @requires_basic_auth_if_no_ano
 def feed_languagesindex():
     off = request.args.get("offset") or 0
-    if current_user.filter_language() == u"all":
+    if current_user.filter_language() == "all":
         languages = calibre_db.speaking_language()
     else:
         languages = calibre_db.session.query(db.Languages).filter(

cps/remotelogin.py

@@ -58,8 +58,8 @@ def remote_login():
     ub.session.add(auth_token)
     ub.session_commit()
     verify_url = url_for('remotelogin.verify_token', token=auth_token.auth_token, _external=true)
-    log.debug(u"Remot Login request with token: %s", auth_token.auth_token)
+    log.debug("Remot Login request with token: %s", auth_token.auth_token)
-    return render_title_template('remote_login.html', title=_(u"Login"), token=auth_token.auth_token,
+    return render_title_template('remote_login.html', title=_("Login"), token=auth_token.auth_token,
                                  verify_url=verify_url, page="remotelogin")
 
 
@@ -71,8 +71,8 @@ def verify_token(token):
 
     # Token not found
     if auth_token is None:
-        flash(_(u"Token not found"), category="error")
+        flash(_("Token not found"), category="error")
-        log.error(u"Remote Login token not found")
+        log.error("Remote Login token not found")
         return redirect(url_for('web.index'))
 
     # Token expired
@@ -80,8 +80,8 @@ def verify_token(token):
         ub.session.delete(auth_token)
         ub.session_commit()
 
-        flash(_(u"Token has expired"), category="error")
+        flash(_("Token has expired"), category="error")
-        log.error(u"Remote Login token expired")
+        log.error("Remote Login token expired")
         return redirect(url_for('web.index'))
 
     # Update token with user information
@@ -89,8 +89,8 @@ def verify_token(token):
     auth_token.verified = True
     ub.session_commit()
 
-    flash(_(u"Success! Please return to your device"), category="success")
+    flash(_("Success! Please return to your device"), category="success")
-    log.debug(u"Remote Login token for userid %s verified", auth_token.user_id)
+    log.debug("Remote Login token for userid %s verified", auth_token.user_id)
     return redirect(url_for('web.index'))
 
 
@@ -105,7 +105,7 @@ def token_verified():
     # Token not found
     if auth_token is None:
         data['status'] = 'error'
-        data['message'] = _(u"Token not found")
+        data['message'] = _("Token not found")
 
     # Token expired
     elif datetime.now() > auth_token.expiration:
@@ -113,7 +113,7 @@ def token_verified():
         ub.session_commit()
 
         data['status'] = 'error'
-        data['message'] = _(u"Token has expired")
+        data['message'] = _("Token has expired")
 
     elif not auth_token.verified:
         data['status'] = 'not_verified'
@@ -126,8 +126,8 @@ def token_verified():
         ub.session_commit("User {} logged in via remotelogin, token deleted".format(user.name))
 
         data['status'] = 'success'
-        log.debug(u"Remote Login for userid %s succeded", user.id)
+        log.debug("Remote Login for userid %s succeeded", user.id)
-        flash(_(u"you are now logged in as: '%(nickname)s'", nickname=user.name), category="success")
+        flash(_("Success! You are now logged in as: %(nickname)s", nickname=user.name), category="success")
 
     response = make_response(json.dumps(data, ensure_ascii=False))
     response.headers["Content-Type"] = "application/json; charset=utf-8"

cps/render_template.py

@@ -59,7 +59,7 @@ def get_sidebar_config(kwargs=None):
          "show_text": _('Show Top Rated Books'), "config_show": True})
     sidebar.append({"glyph": "glyphicon-eye-open", "text": _('Read Books'), "link": 'web.books_list', "id": "read",
                     "visibility": constants.SIDEBAR_READ_AND_UNREAD, 'public': (not g.user.is_anonymous),
-                    "page": "read", "show_text": _('Show read and unread'), "config_show": content})
+                    "page": "read", "show_text": _('Show Read and Unread'), "config_show": content})
     sidebar.append(
         {"glyph": "glyphicon-eye-close", "text": _('Unread Books'), "link": 'web.books_list', "id": "unread",
          "visibility": constants.SIDEBAR_READ_AND_UNREAD, 'public': (not g.user.is_anonymous), "page": "unread",
@@ -69,31 +69,31 @@ def get_sidebar_config(kwargs=None):
                     "show_text": _('Show Random Books'), "config_show": True})
     sidebar.append({"glyph": "glyphicon-inbox", "text": _('Categories'), "link": 'web.category_list', "id": "cat",
                     "visibility": constants.SIDEBAR_CATEGORY, 'public': True, "page": "category",
-                    "show_text": _('Show category selection'), "config_show": True})
+                    "show_text": _('Show Category Section'), "config_show": True})
     sidebar.append({"glyph": "glyphicon-bookmark", "text": _('Series'), "link": 'web.series_list', "id": "serie",
                     "visibility": constants.SIDEBAR_SERIES, 'public': True, "page": "series",
-                    "show_text": _('Show series selection'), "config_show": True})
+                    "show_text": _('Show Series Section'), "config_show": True})
     sidebar.append({"glyph": "glyphicon-user", "text": _('Authors'), "link": 'web.author_list', "id": "author",
                     "visibility": constants.SIDEBAR_AUTHOR, 'public': True, "page": "author",
-                    "show_text": _('Show author selection'), "config_show": True})
+                    "show_text": _('Show Author Section'), "config_show": True})
     sidebar.append(
         {"glyph": "glyphicon-text-size", "text": _('Publishers'), "link": 'web.publisher_list', "id": "publisher",
          "visibility": constants.SIDEBAR_PUBLISHER, 'public': True, "page": "publisher",
-         "show_text": _('Show publisher selection'), "config_show":True})
+         "show_text": _('Show Publisher Section'), "config_show":True})
     sidebar.append({"glyph": "glyphicon-flag", "text": _('Languages'), "link": 'web.language_overview', "id": "lang",
                     "visibility": constants.SIDEBAR_LANGUAGE, 'public': (g.user.filter_language() == 'all'),
                     "page": "language",
-                    "show_text": _('Show language selection'), "config_show": True})
+                    "show_text": _('Show Language Section'), "config_show": True})
     sidebar.append({"glyph": "glyphicon-star-empty", "text": _('Ratings'), "link": 'web.ratings_list', "id": "rate",
                     "visibility": constants.SIDEBAR_RATING, 'public': True,
-                    "page": "rating", "show_text": _('Show ratings selection'), "config_show": True})
+                    "page": "rating", "show_text": _('Show Ratings Section'), "config_show": True})
     sidebar.append({"glyph": "glyphicon-file", "text": _('File formats'), "link": 'web.formats_list', "id": "format",
                     "visibility": constants.SIDEBAR_FORMAT, 'public': True,
-                    "page": "format", "show_text": _('Show file formats selection'), "config_show": True})
+                    "page": "format", "show_text": _('Show File Formats Section'), "config_show": True})
     sidebar.append(
         {"glyph": "glyphicon-trash", "text": _('Archived Books'), "link": 'web.books_list', "id": "archived",
          "visibility": constants.SIDEBAR_ARCHIVED, 'public': (not g.user.is_anonymous), "page": "archived",
-         "show_text": _('Show archived books'), "config_show": content})
+         "show_text": _('Show Archived Books'), "config_show": content})
     if not simple:
         sidebar.append(
             {"glyph": "glyphicon-th-list", "text": _('Books List'), "link": 'web.books_table', "id": "list",

cps/schedule.py

@@ -19,11 +19,11 @@
 import datetime
 
 from . import config, constants
-from .services.background_scheduler import BackgroundScheduler, use_APScheduler
+from .services.background_scheduler import BackgroundScheduler, CronTrigger, use_APScheduler
 from .tasks.database import TaskReconnectDatabase
 from .tasks.thumbnail import TaskGenerateCoverThumbnails, TaskGenerateSeriesThumbnails, TaskClearCoverThumbnailCache
 from .services.worker import WorkerThread
-
+from .tasks.metadata_backup import TaskBackupMetadata
 
 def get_scheduled_tasks(reconnect=True):
     tasks = list()
@@ -32,6 +32,10 @@ def get_scheduled_tasks(reconnect=True):
     if reconnect:
         tasks.append([lambda: TaskReconnectDatabase(), 'reconnect', False])
 
+    # ToDo make configurable. Generate metadata.opf file for each changed book
+    if False:
+        tasks.append([lambda: TaskBackupMetadata("en"), 'backup metadata', False])
+
     # Generate all missing book cover thumbnails
     if config.schedule_generate_book_covers:
         tasks.append([lambda: TaskClearCoverThumbnailCache(0), 'delete superfluous book covers', True])
@@ -62,10 +66,10 @@ def register_scheduled_tasks(reconnect=True):
         duration = config.schedule_duration
 
         # Register scheduled tasks
-        scheduler.schedule_tasks(tasks=get_scheduled_tasks(reconnect), trigger='cron', hour=start)
+        scheduler.schedule_tasks(tasks=get_scheduled_tasks(reconnect), trigger=CronTrigger(hour=start))
         end_time = calclulate_end_time(start, duration)
-        scheduler.schedule(func=end_scheduled_tasks, trigger='cron', name="end scheduled task", hour=end_time.hour,
+        scheduler.schedule(func=end_scheduled_tasks, trigger=CronTrigger(hour=end_time.hour, minute=end_time.minute),
-                           minute=end_time.minute)
+                           name="end scheduled task")
 
         # Kick-off tasks, if they should currently be running
         if should_task_be_running(start, duration):
@@ -91,6 +95,7 @@ def should_task_be_running(start, duration):
     end_time = start_time + datetime.timedelta(hours=duration // 60, minutes=duration % 60)
     return start_time < now < end_time
 
+
 def calclulate_end_time(start, duration):
     start_time = datetime.datetime.now().replace(hour=start, minute=0)
     return start_time + datetime.timedelta(hours=duration // 60, minutes=duration % 60)

cps/search.py

@@ -45,7 +45,7 @@ def simple_search():
         return render_title_template('search.html',
                                      searchterm="",
                                      result_count=0,
-                                     title=_(u"Search"),
+                                     title=_("Search"),
                                      page="search")
 
 
@@ -134,9 +134,10 @@ def adv_search_read_status(read_status):
                 db_filter = coalesce(db.cc_classes[config.config_read_column].value, False) != True
         except (KeyError, AttributeError, IndexError):
             log.error("Custom Column No.{} does not exist in calibre database".format(config.config_read_column))
-            flash(_("Custom Column No.{} does not exist in calibre database".format(config.config_read_column)),
+            flash(_("Custom Column No.%(column)d does not exist in calibre database",
+                    column=config.config_read_column),
                   category="error")
-            return false()
+            return true()
     return db_filter
 
 
@@ -184,18 +185,18 @@ def extend_search_term(searchterm,
     searchterm.extend((author_name.replace('|', ','), book_title, publisher))
     if pub_start:
         try:
-            searchterm.extend([_(u"Published after ") +
+            searchterm.extend([_("Published after ") +
                                format_date(datetime.strptime(pub_start, "%Y-%m-%d"),
                                            format='medium')])
         except ValueError:
-            pub_start = u""
+            pub_start = ""
     if pub_end:
         try:
-            searchterm.extend([_(u"Published before ") +
+            searchterm.extend([_("Published before ") +
                                format_date(datetime.strptime(pub_end, "%Y-%m-%d"),
                                            format='medium')])
         except ValueError:
-            pub_end = u""
+            pub_end = ""
     elements = {'tag': db.Tags, 'serie':db.Series, 'shelf':ub.Shelf}
     for key, db_element in elements.items():
         tag_names = calibre_db.session.query(db_element).filter(db_element.id.in_(tags['include_' + key])).all()
@@ -213,11 +214,11 @@ def extend_search_term(searchterm,
         language_names = calibre_db.speaking_language(language_names)
     searchterm.extend(language.name for language in language_names)
     if rating_high:
-        searchterm.extend([_(u"Rating <= %(rating)s", rating=rating_high)])
+        searchterm.extend([_("Rating <= %(rating)s", rating=rating_high)])
     if rating_low:
-        searchterm.extend([_(u"Rating >= %(rating)s", rating=rating_low)])
+        searchterm.extend([_("Rating >= %(rating)s", rating=rating_low)])
     if read_status:
-        searchterm.extend([_(u"Read Status = %(status)s", status=read_status)])
+        searchterm.extend([_("Read Status = %(status)s", status=read_status)])
     searchterm.extend(ext for ext in tags['include_extension'])
     searchterm.extend(ext for ext in tags['exclude_extension'])
     # handle custom columns
@@ -266,19 +267,19 @@ def render_adv_search_results(term, offset=None, order=None, limit=None):
             column_start = term.get('custom_column_' + str(c.id) + '_start')
             column_end = term.get('custom_column_' + str(c.id) + '_end')
             if column_start:
-                search_term.extend([u"{} >= {}".format(c.name,
+                search_term.extend(["{} >= {}".format(c.name,
                                                        format_date(datetime.strptime(column_start, "%Y-%m-%d").date(),
                                                                    format='medium')
                                                        )])
                 cc_present = True
             if column_end:
-                search_term.extend([u"{} <= {}".format(c.name,
+                search_term.extend(["{} <= {}".format(c.name,
                                                        format_date(datetime.strptime(column_end, "%Y-%m-%d").date(),
                                                                    format='medium')
                                                        )])
                 cc_present = True
         elif term.get('custom_column_' + str(c.id)):
-            search_term.extend([(u"{}: {}".format(c.name, term.get('custom_column_' + str(c.id))))])
+            search_term.extend([("{}: {}".format(c.name, term.get('custom_column_' + str(c.id))))])
             cc_present = True
 
     if any(tags.values()) or author_name or book_title or publisher or pub_start or pub_end or rating_low \
@@ -338,7 +339,7 @@ def render_adv_search_results(term, offset=None, order=None, limit=None):
                                  pagination=pagination,
                                  entries=entries,
                                  result_count=result_count,
-                                 title=_(u"Advanced Search"), page="advsearch",
+                                 title=_("Advanced Search"), page="advsearch",
                                  order=order[1])
 
 
@@ -365,12 +366,12 @@ def render_prepare_search_form(cc):
         .filter(calibre_db.common_filters()) \
         .group_by(db.Data.format)\
         .order_by(db.Data.format).all()
-    if current_user.filter_language() == u"all":
+    if current_user.filter_language() == "all":
         languages = calibre_db.speaking_language()
     else:
         languages = None
     return render_title_template('search_form.html', tags=tags, languages=languages, extensions=extensions,
-                                 series=series,shelves=shelves, title=_(u"Advanced Search"), cc=cc, page="advsearch")
+                                 series=series,shelves=shelves, title=_("Advanced Search"), cc=cc, page="advsearch")
 
 
 def render_search_results(term, offset=None, order=None, limit=None):
@@ -388,7 +389,7 @@ def render_search_results(term, offset=None, order=None, limit=None):
                                  adv_searchterm=term,
                                  entries=entries,
                                  result_count=result_count,
-                                 title=_(u"Search"),
+                                 title=_("Search"),
                                  page="search",
                                  order=order[1])
 

cps/services/background_scheduler.py

@@ -23,6 +23,8 @@ from .worker import WorkerThread
 
 try:
     from apscheduler.schedulers.background import BackgroundScheduler as BScheduler
+    from apscheduler.triggers.cron import CronTrigger
+    from apscheduler.triggers.date import DateTrigger
     use_APScheduler = True
 except (ImportError, RuntimeError) as e:
     use_APScheduler = False
@@ -47,31 +49,31 @@ class BackgroundScheduler:
 
         return cls._instance
 
-    def schedule(self, func, trigger, name=None, **trigger_args):
+    def schedule(self, func, trigger, name=None):
         if use_APScheduler:
-            return self.scheduler.add_job(func=func, trigger=trigger, name=name, **trigger_args)
+            return self.scheduler.add_job(func=func, trigger=trigger, name=name)
 
     # Expects a lambda expression for the task
-    def schedule_task(self, task, user=None, name=None, hidden=False, trigger='cron', **trigger_args):
+    def schedule_task(self, task, user=None, name=None, hidden=False, trigger=None):
         if use_APScheduler:
             def scheduled_task():
                 worker_task = task()
                 worker_task.scheduled = True
                 WorkerThread.add(user, worker_task, hidden=hidden)
-            return self.schedule(func=scheduled_task, trigger=trigger, name=name, **trigger_args)
+            return self.schedule(func=scheduled_task, trigger=trigger, name=name)
 
     # Expects a list of lambda expressions for the tasks
-    def schedule_tasks(self, tasks, user=None, trigger='cron', **trigger_args):
+    def schedule_tasks(self, tasks, user=None, trigger=None):
         if use_APScheduler:
             for task in tasks:
-                self.schedule_task(task[0], user=user, trigger=trigger, name=task[1], hidden=task[2], **trigger_args)
+                self.schedule_task(task[0], user=user, trigger=trigger, name=task[1], hidden=task[2])
 
     # Expects a lambda expression for the task
     def schedule_task_immediately(self, task, user=None, name=None, hidden=False):
         if use_APScheduler:
             def immediate_task():
                 WorkerThread.add(user, task(), hidden)
-            return self.schedule(func=immediate_task, trigger='date', name=name)
+            return self.schedule(func=immediate_task, trigger=DateTrigger(), name=name)
 
     # Expects a list of lambda expressions for the tasks
     def schedule_tasks_immediately(self, tasks, user=None):

cps/shelf.py

@@ -46,13 +46,13 @@ def add_to_shelf(shelf_id, book_id):
     if shelf is None:
         log.error("Invalid shelf specified: %s", shelf_id)
         if not xhr:
-            flash(_(u"Invalid shelf specified"), category="error")
+            flash(_("Invalid shelf specified"), category="error")
             return redirect(url_for('web.index'))
         return "Invalid shelf specified", 400
 
     if not check_shelf_edit_permissions(shelf):
         if not xhr:
-            flash(_(u"Sorry you are not allowed to add a book to that shelf"), category="error")
+            flash(_("Sorry you are not allowed to add a book to that shelf"), category="error")
             return redirect(url_for('web.index'))
         return "Sorry you are not allowed to add a book to the that shelf", 403
 
@@ -61,7 +61,7 @@ def add_to_shelf(shelf_id, book_id):
     if book_in_shelf:
         log.error("Book %s is already part of %s", book_id, shelf)
         if not xhr:
-            flash(_(u"Book is already part of the shelf: %(shelfname)s", shelfname=shelf.name), category="error")
+            flash(_("Book is already part of the shelf: %(shelfname)s", shelfname=shelf.name), category="error")
             return redirect(url_for('web.index'))
         return "Book is already part of the shelf: %s" % shelf.name, 400
 
@@ -79,14 +79,14 @@ def add_to_shelf(shelf_id, book_id):
     except (OperationalError, InvalidRequestError) as e:
         ub.session.rollback()
         log.error_or_exception("Settings Database error: {}".format(e))
-        flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+        flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
         if "HTTP_REFERER" in request.environ:
             return redirect(request.environ["HTTP_REFERER"])
         else:
             return redirect(url_for('web.index'))
     if not xhr:
         log.debug("Book has been added to shelf: {}".format(shelf.name))
-        flash(_(u"Book has been added to shelf: %(sname)s", sname=shelf.name), category="success")
+        flash(_("Book has been added to shelf: %(sname)s", sname=shelf.name), category="success")
         if "HTTP_REFERER" in request.environ:
             return redirect(request.environ["HTTP_REFERER"])
         else:
@@ -100,12 +100,12 @@ def search_to_shelf(shelf_id):
     shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
     if shelf is None:
         log.error("Invalid shelf specified: {}".format(shelf_id))
-        flash(_(u"Invalid shelf specified"), category="error")
+        flash(_("Invalid shelf specified"), category="error")
         return redirect(url_for('web.index'))
 
     if not check_shelf_edit_permissions(shelf):
         log.warning("You are not allowed to add a book to the shelf".format(shelf.name))
-        flash(_(u"You are not allowed to add a book to the shelf"), category="error")
+        flash(_("You are not allowed to add a book to the shelf"), category="error")
         return redirect(url_for('web.index'))
 
     if current_user.id in ub.searched_ids and ub.searched_ids[current_user.id]:
@@ -123,7 +123,7 @@ def search_to_shelf(shelf_id):
 
         if not books_for_shelf:
             log.error("Books are already part of {}".format(shelf.name))
-            flash(_(u"Books are already part of the shelf: %(name)s", name=shelf.name), category="error")
+            flash(_("Books are already part of the shelf: %(name)s", name=shelf.name), category="error")
             return redirect(url_for('web.index'))
 
         maxOrder = ub.session.query(func.max(ub.BookShelf.order)).filter(ub.BookShelf.shelf == shelf_id).first()[0] or 0
@@ -135,14 +135,14 @@ def search_to_shelf(shelf_id):
         try:
             ub.session.merge(shelf)
             ub.session.commit()
-            flash(_(u"Books have been added to shelf: %(sname)s", sname=shelf.name), category="success")
+            flash(_("Books have been added to shelf: %(sname)s", sname=shelf.name), category="success")
         except (OperationalError, InvalidRequestError) as e:
             ub.session.rollback()
             log.error_or_exception("Settings Database error: {}".format(e))
-            flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+            flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
     else:
         log.error("Could not add books to shelf: {}".format(shelf.name))
-        flash(_(u"Could not add books to shelf: %(sname)s", sname=shelf.name), category="error")
+        flash(_("Could not add books to shelf: %(sname)s", sname=shelf.name), category="error")
     return redirect(url_for('web.index'))
 
 
@@ -182,13 +182,13 @@ def remove_from_shelf(shelf_id, book_id):
         except (OperationalError, InvalidRequestError) as e:
             ub.session.rollback()
             log.error_or_exception("Settings Database error: {}".format(e))
-            flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+            flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
             if "HTTP_REFERER" in request.environ:
                 return redirect(request.environ["HTTP_REFERER"])
             else:
                 return redirect(url_for('web.index'))
         if not xhr:
-            flash(_(u"Book has been removed from shelf: %(sname)s", sname=shelf.name), category="success")
+            flash(_("Book has been removed from shelf: %(sname)s", sname=shelf.name), category="success")
             if "HTTP_REFERER" in request.environ:
                 return redirect(request.environ["HTTP_REFERER"])
             else:
@@ -197,7 +197,7 @@ def remove_from_shelf(shelf_id, book_id):
     else:
         if not xhr:
             log.warning("You are not allowed to remove a book from shelf: {}".format(shelf.name))
-            flash(_(u"Sorry you are not allowed to remove a book from this shelf"),
+            flash(_("Sorry you are not allowed to remove a book from this shelf"),
                   category="error")
             return redirect(url_for('web.index'))
         return "Sorry you are not allowed to remove a book from this shelf", 403
@@ -207,7 +207,7 @@ def remove_from_shelf(shelf_id, book_id):
 @login_required
 def create_shelf():
     shelf = ub.Shelf()
-    return create_edit_shelf(shelf, page_title=_(u"Create a Shelf"), page="shelfcreate")
+    return create_edit_shelf(shelf, page_title=_("Create a Shelf"), page="shelfcreate")
 
 
 @shelf.route("/shelf/edit/<int:shelf_id>", methods=["GET", "POST"])
@@ -215,9 +215,9 @@ def create_shelf():
 def edit_shelf(shelf_id):
     shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
     if not check_shelf_edit_permissions(shelf):
-        flash(_(u"Sorry you are not allowed to edit this shelf"), category="error")
+        flash(_("Sorry you are not allowed to edit this shelf"), category="error")
         return redirect(url_for('web.index'))
-    return create_edit_shelf(shelf, page_title=_(u"Edit a shelf"), page="shelfedit", shelf_id=shelf_id)
+    return create_edit_shelf(shelf, page_title=_("Edit a shelf"), page="shelfedit", shelf_id=shelf_id)
 
 
 @shelf.route("/shelf/delete/<int:shelf_id>", methods=["POST"])
@@ -232,7 +232,7 @@ def delete_shelf(shelf_id):
     except InvalidRequestError as e:
         ub.session.rollback()
         log.error_or_exception("Settings Database error: {}".format(e))
-        flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+        flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
     return redirect(url_for('web.index'))
 
 
@@ -263,13 +263,13 @@ def order_shelf(shelf_id):
             for book in books_in_shelf:
                 setattr(book, 'order', to_save[str(book.book_id)])
                 counter += 1
-                # if order diffrent from before -> shelf.last_modified = datetime.utcnow()
+                # if order different from before -> shelf.last_modified = datetime.utcnow()
             try:
                 ub.session.commit()
             except (OperationalError, InvalidRequestError) as e:
                 ub.session.rollback()
                 log.error_or_exception("Settings Database error: {}".format(e))
-                flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+                flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
 
         result = list()
         if shelf:
@@ -278,7 +278,7 @@ def order_shelf(shelf_id):
                 .add_columns(calibre_db.common_filters().label("visible")) \
                 .filter(ub.BookShelf.shelf == shelf_id).order_by(ub.BookShelf.order.asc()).all()
         return render_title_template('shelf_order.html', entries=result,
-                                     title=_(u"Change order of Shelf: '%(name)s'", name=shelf.name),
+                                     title=_("Change order of Shelf: '%(name)s'", name=shelf.name),
                                      shelf=shelf, page="shelforder")
     else:
         abort(404)
@@ -310,7 +310,7 @@ def create_edit_shelf(shelf, page_title, page, shelf_id=False):
     if request.method == "POST":
         to_save = request.form.to_dict()
         if not current_user.role_edit_shelfs() and to_save.get("is_public") == "on":
-            flash(_(u"Sorry you are not allowed to create a public shelf"), category="error")
+            flash(_("Sorry you are not allowed to create a public shelf"), category="error")
             return redirect(url_for('web.index'))
         is_public = 1 if to_save.get("is_public") == "on" else 0
         if config.config_kobo_sync:
@@ -327,24 +327,24 @@ def create_edit_shelf(shelf, page_title, page, shelf_id=False):
                 shelf.user_id = int(current_user.id)
                 ub.session.add(shelf)
                 shelf_action = "created"
-                flash_text = _(u"Shelf %(title)s created", title=shelf_title)
+                flash_text = _("Shelf %(title)s created", title=shelf_title)
             else:
                 shelf_action = "changed"
-                flash_text = _(u"Shelf %(title)s changed", title=shelf_title)
+                flash_text = _("Shelf %(title)s changed", title=shelf_title)
             try:
                 ub.session.commit()
-                log.info(u"Shelf {} {}".format(shelf_title, shelf_action))
+                log.info("Shelf {} {}".format(shelf_title, shelf_action))
                 flash(flash_text, category="success")
                 return redirect(url_for('shelf.show_shelf', shelf_id=shelf.id))
             except (OperationalError, InvalidRequestError) as ex:
                 ub.session.rollback()
                 log.error_or_exception(ex)
                 log.error_or_exception("Settings Database error: {}".format(ex))
-                flash(_(u"Database error: %(error)s.", error=ex.orig), category="error")
+                flash(_("Oops! Database Error: %(error)s.", error=ex.orig), category="error")
             except Exception as ex:
                 ub.session.rollback()
                 log.error_or_exception(ex)
-                flash(_(u"There was an error"), category="error")
+                flash(_("There was an error"), category="error")
     return render_title_template('shelf_edit.html',
                                  shelf=shelf,
                                  title=page_title,
@@ -366,7 +366,7 @@ def check_shelf_is_unique(title, is_public, shelf_id=False):
 
         if not is_shelf_name_unique:
             log.error("A public shelf with the name '{}' already exists.".format(title))
-            flash(_(u"A public shelf with the name '%(title)s' already exists.", title=title),
+            flash(_("A public shelf with the name '%(title)s' already exists.", title=title),
                   category="error")
     else:
         is_shelf_name_unique = ub.session.query(ub.Shelf) \
@@ -377,7 +377,7 @@ def check_shelf_is_unique(title, is_public, shelf_id=False):
 
         if not is_shelf_name_unique:
             log.error("A private shelf with the name '{}' already exists.".format(title))
-            flash(_(u"A private shelf with the name '%(title)s' already exists.", title=title),
+            flash(_("A private shelf with the name '%(title)s' already exists.", title=title),
                   category="error")
     return is_shelf_name_unique
 
@@ -454,14 +454,14 @@ def render_show_shelf(shelf_type, shelf_id, page_no, sort_param):
             except (OperationalError, InvalidRequestError) as e:
                 ub.session.rollback()
                 log.error_or_exception("Settings Database error: {}".format(e))
-                flash(_(u"Database error: %(error)s.", error=e.orig), category="error")
+                flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
 
         return render_title_template(page,
                                      entries=result,
                                      pagination=pagination,
-                                     title=_(u"Shelf: '%(name)s'", name=shelf.name),
+                                     title=_("Shelf: '%(name)s'", name=shelf.name),
                                      shelf=shelf,
                                      page="shelf")
     else:
-        flash(_(u"Error opening shelf. Shelf does not exist or is not accessible"), category="error")
+        flash(_("Error opening shelf. Shelf does not exist or is not accessible"), category="error")
         return redirect(url_for("web.index"))

cps/static/css/caliBlur.css

@@ -3290,9 +3290,11 @@ div.btn-group[role=group][aria-label="Download, send to Kindle, reading"] .dropd
     -ms-transform-origin: center top;
     transform-origin: center top;
     border: 0;
-    left: 0 !important;
     overflow-y: auto;
 }
+.dropdown-menu:not(.datepicker-dropdown):not(.profileDropli) {
+    left: 0 !important;
+}
 #add-to-shelves {
   max-height: calc(100% - 120px);
   overflow-y: auto;
@@ -4423,38 +4425,6 @@ body.advanced_search > div.container-fluid > div.row-fluid > div.col-sm-10 > div
         left: 49px;
         margin-top: 5px
     }
-
-    body:not(.blur) > .navbar > .container-fluid > .navbar-header:after, body:not(.blur) > .navbar > .container-fluid > .navbar-header:before {
-        color: hsla(0, 0%, 100%, .7);
-        cursor: pointer;
-        display: block;
-        font-family: plex-icons-new, serif;
-        font-size: 20px;
-        font-stretch: 100%;
-        font-style: normal;
-        font-variant-caps: normal;
-        font-variant-east-asian: normal;
-        font-variant-numeric: normal;
-        font-weight: 400;
-        height: 60px;
-        letter-spacing: normal;
-        line-height: 60px;
-        position: absolute
-    }
-
-    body:not(.blur) > .navbar > .container-fluid > .navbar-header:before {
-        content: "\EA30";
-        -webkit-font-variant-ligatures: normal;
-        font-variant-ligatures: normal;
-        left: 20px
-    }
-
-    body:not(.blur) > .navbar > .container-fluid > .navbar-header:after {
-        content: "\EA2F";
-        -webkit-font-variant-ligatures: normal;
-        font-variant-ligatures: normal;
-        left: 60px
-    }
 }
 
 body.admin > div.container-fluid > div > div.col-sm-10 > div.container-fluid > div.row:first-of-type > div.col > h2:before, body.admin > div.container-fluid > div > div.col-sm-10 > div.discover > h2:first-of-type:before, body.edituser.admin > div.container-fluid > div.row-fluid > div.col-sm-10 > div.discover > h1:before, body.newuser.admin > div.container-fluid > div.row-fluid > div.col-sm-10 > div.discover > h1:before {

cps/static/css/caliBlur_override.css

@@ -22,3 +22,7 @@ body.serieslist.grid-view div.container-fluid > div > div.col-sm-10::before {
   padding: 0 0;
   line-height: 15px;
 }
+
+input.datepicker {color: transparent}
+input.datepicker:focus {color: transparent}
+input.datepicker:focus + input {color: #555}

cps/static/css/libs/images/findbarButton-next-dark.svg

@@ -1,6 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"
-fill="rgba(255,255,255,1)"><path d="M8 12a1 1 0 0 1-.707-.293l-5-5a1 1 0 0 1 1.414-1.414L8
-9.586l4.293-4.293a1 1 0 0 1 1.414 1.414l-5 5A1 1 0 0 1 8 12z"></path></svg>

cps/static/css/libs/images/findbarButton-previous-dark.svg

@@ -1,5 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"
-fill="rgba(255,255,255,1)"><path d="M13 11a1 1 0 0 1-.707-.293L8 6.414l-4.293 4.293a1 1 0 0 1-1.414-1.414l5-5a1 1 0 0 1 1.414 0l5 5A1 1 0 0 1 13 11z"></path></svg>

cps/static/css/libs/images/secondaryToolbarButton-documentProperties-dark.svg

@@ -1,16 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16
-16"
-fill="rgba(255,255,255,1)">
-<path 
-   d="M8 16a8 8 0 1 1 8-8 8.009 8.009 0 0 1-8 8zM8 2a6 6 0 1 0 6 6 6.006 6.006 0 0 0-6-6z">
-</path>
-<path 
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cps/static/css/libs/images/secondaryToolbarButton-firstPage-dark.svg

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cps/static/css/libs/images/secondaryToolbarButton-handTool-dark.svg

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cps/static/css/libs/images/secondaryToolbarButton-lastPage-dark.svg

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cps/static/css/libs/images/secondaryToolbarButton-rotateCcw-dark.svg

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cps/static/css/libs/images/secondaryToolbarButton-rotateCw-dark.svg

@@ -1,5 +0,0 @@
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cps/static/css/libs/images/secondaryToolbarButton-scrollHorizontal-dark.svg

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cps/static/css/libs/images/secondaryToolbarButton-scrollPage.svg

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cps/static/css/libs/images/secondaryToolbarButton-scrollVertical-dark.svg

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cps/static/css/libs/images/secondaryToolbarButton-scrollWrapped-dark.svg

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-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"
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cps/static/css/libs/images/secondaryToolbarButton-selectTool-dark.svg

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cps/static/css/libs/images/secondaryToolbarButton-spreadEven-dark.svg

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cps/static/css/libs/images/secondaryToolbarButton-spreadNone-dark.svg

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cps/static/css/libs/images/secondaryToolbarButton-spreadOdd-dark.svg

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cps/static/css/libs/images/toolbarButton-bookmark-dark.svg

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cps/static/css/libs/images/toolbarButton-currentOutlineItem.svg

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+<svg xmlns="http://www.w3.org/2000/svg" height="16" width="16"><path d="m14 9h-6c-1.3 0-1.3 2 0 2h6c1.3 0 1.3-2 0-2zm-5.2-8h-3.8c-1.3 0-1.3 2 0 2h1.7zm-6.8 0c-1 0-1.3 1-0.7 1.7 0.7 0.6 1.7 0.3 1.7-0.7 0-0.5-0.4-1-1-1zm3 8c-1 0-1.3 1-0.7 1.7 0.6 0.6 1.7 0.2 1.7-0.7 0-0.5-0.4-1-1-1zm0.3-4h-0.3c-1.4 0-1.4 2 0 2h2.3zm-3.3 0c-0.9 0-1.4 1-0.7 1.7 0.7 0.6 1.7 0.2 1.7-0.7 0-0.6-0.5-1-1-1zm12 8h-9c-1.3 0-1.3 2 0 2h9c1.3 0 1.3-2 0-2zm-12 0c-1 0-1.3 1-0.7 1.7 0.7 0.6 1.7 0.2 1.7-0.712 0-0.5-0.4-1-1-1z"/><path d="m7.37 4.838 3.93-3.911v2.138h3.629v3.546h-3.629v2.138l-3.93-3.911"/></svg>

cps/static/css/libs/images/toolbarButton-download-dark.svg

@@ -1,5 +0,0 @@
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cps/static/css/libs/images/toolbarButton-editorFreeText.svg

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+<!-- copied from https://www.svgrepo.com/svg/255881/text -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 16 16" style="enable-background:new 0 0 16 16;" xml:space="preserve">
+<g>
+	<g transform="scale(0.03125)">
+		<path d="M405.787,43.574H8.17c-4.513,0-8.17,3.658-8.17,8.17v119.83c0,4.512,3.657,8.17,8.17,8.17h32.681
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+</g>
+<g>
+	<g transform="scale(0.03125)">
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cps/static/css/libs/images/toolbarButton-editorInk.svg

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+  </g>
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cps/static/css/libs/images/toolbarButton-menuArrow-dark.svg

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cps/static/css/libs/images/toolbarButton-openFile-dark.svg

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cps/static/css/libs/images/toolbarButton-pageDown-dark.svg

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cps/static/css/libs/images/toolbarButton-pageUp-dark.svg

@@ -1,13 +0,0 @@
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cps/static/css/libs/images/toolbarButton-presentationMode-dark.svg

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cps/static/css/libs/images/toolbarButton-print-dark.svg

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-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"
-fill="rgba(255,255,255,1)"><path d="M14 5h-1V1a1 1 0 0 0-1-1H4a1 1 0 0 0-1 1v4H2a2 2 0 0 0-2 2v5h3v3a1 1 0 0 0 1 1h8a1 1 0 0 0 1-1v-3h3V7a2 2 0 0 0-2-2zM2.5 8a.5.5 0 1 1 .5-.5.5.5 0 0 1-.5.5zm9.5 7H4v-5h8zm0-10H4V1h8zm-6.5 7h4a.5.5 0 0 0 0-1h-4a.5.5 0 1 0 0 1zm0 2h5a.5.5 0 0 0 0-1h-5a.5.5 0 1 0 0 1z"></path></svg>

cps/static/css/libs/images/toolbarButton-search-dark.svg

@@ -1,5 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"
-fill="rgba(255,255,255,1)"><path d="M15.707 14.293l-4.822-4.822a6.019 6.019 0 1 0-1.414 1.414l4.822 4.822a1 1 0 0 0 1.414-1.414zM6 10a4 4 0 1 1 4-4 4 4 0 0 1-4 4z"></path></svg>

cps/static/css/libs/images/toolbarButton-secondaryToolbarToggle-dark.svg

@@ -1,5 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"
-fill="rgba(255,255,255,1)"><path d="M8.707 7.293l-5-5a1 1 0 0 0-1.414 1.414L6.586 8l-4.293 4.293a1 1 0 1 0 1.414 1.414l5-5a1 1 0 0 0 0-1.414zm6 0l-5-5a1 1 0 0 0-1.414 1.414L12.586 8l-4.293 4.293a1 1 0 1 0 1.414 1.414l5-5a1 1 0 0 0 0-1.414z"></path></svg>

cps/static/css/libs/images/toolbarButton-sidebarToggle-dark.svg

@@ -1,5 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"
-fill="rgba(255,255,255,1)"><path d="M3 1h10a3.008 3.008 0 0 1 3 3v8a3.009 3.009 0 0 1-3 3H3a3.005 3.005 0 0 1-3-3V4a3.013 3.013 0 0 1 3-3zm11 11V4a1 1 0 0 0-1-1H8v10h5a1 1 0 0 0 1-1zM2 12a1 1 0 0 0 1 1h4V3H3a1 1 0 0 0-1 1v8z"></path><path d="M3.5 5h2a.5.5 0 0 0 0-1h-2a.5.5 0 0 0 0 1zm0 2h2a.5.5 0 0 0 0-1h-2a.5.5 0 0 0 0 1zm1 2h1a.5.5 0 0 0 0-1h-1a.5.5 0 0 0 0 1z"></path></svg>

cps/static/css/libs/images/toolbarButton-viewAttachments-dark.svg

@@ -1,2 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="16" width="16"
-fill="rgba(255,255,255,1)"><path d="M6.2 2s.5-.5 1.06 0c.5.5 0 1 0 1l-4.6 4.61s-2.5 2.5 0 5 5 0 5 0L13.8 6.4s1.6-1.6 0-3.2-3.2 0-3.2 0L5.8 8s-.7.7 0 1.4 1.4 0 1.4 0l3.9-3.9s.6-.5 1 0c.5.5 0 1 0 1l-3.8 4s-1.8 1.8-3.5 0C3 8.7 4.8 7 4.8 7l4.7-4.9s2.7-2.6 5.3 0c2.6 2.6 0 5.3 0 5.3l-6.2 6.3s-3.5 3.5-7 0 0-7 0-7z"/></svg>

cps/static/css/libs/images/toolbarButton-viewLayers-dark.svg

@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 4.233 4.233" height="16" width="16" fill="rgba(255,255,255,1)"><path d="M.15 2.992c-.198.1-.2.266-.002.365l1.604.802a.93.93 0 00.729-.001l1.602-.801c.198-.1.197-.264 0-.364l-.695-.348c-1.306.595-2.542 0-2.542 0m-.264.53l.658-.329c.6.252 1.238.244 1.754 0l.659.329-1.536.768zM.15 1.935c-.198.1-.198.265 0 .364l1.604.802a.926.926 0 00.727 0l1.603-.802c.198-.099.198-.264 0-.363l-.694-.35c-1.14.56-2.546.001-2.546.001m-.264.53l.664-.332c.52.266 1.261.235 1.75.002l.659.33-1.537.768zM.15.877c-.198.099-.198.264 0 .363l1.604.802a.926.926 0 00.727 0l1.603-.802c.198-.099.198-.264 0-.363L2.481.075a.926.926 0 00-.727 0zm.43.182L2.117.29l1.538.769-1.538.768z"/></svg>

cps/static/css/libs/images/toolbarButton-viewOutline-dark.svg

@@ -1,2 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="16" width="16"
-fill="rgba(255,255,255,1)"><path d="M14 9H8c-1.3 0-1.3 2 0 2h6c1.3 0 1.3-2 0-2zm0-8H5C3.7 1 3.7 3 5 3h9c1.3 0 1.3-2 0-2zM2 1C1 1 .7 2 1.3 2.7 2 3.3 3 3 3 2c0-.5-.4-1-1-1zm3 8c-1 0-1.3 1-.7 1.7.6.6 1.7.2 1.7-.7 0-.5-.4-1-1-1zM14 5H5C3.6 5 3.6 7 5 7h9c1.3 0 1.3-2 0-2zM2 5c-.9 0-1.4 1-.7 1.7C2 7.3 3 6.9 3 6c0-.6-.5-1-1-1zM14 13H5c-1.3 0-1.3 2 0 2h9c1.3 0 1.3-2 0-2zM2 13c-1 0-1.3 1-.7 1.7.7.6 1.7.2 1.7-.712 0-.5-.4-1-1-1z"/></svg>

cps/static/css/libs/images/toolbarButton-viewThumbnail-dark.svg

@@ -1,5 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"
-fill="rgba(255,255,255,1)"><g style="--darkreader-inline-fill:rgba(81, 82, 83, 0.8);" data-darkreader-inline-fill=""><rect x="1" y="1" width="6" height="6" rx="1" ry="1"></rect><rect x="9" y="1" width="6" height="6" rx="1" ry="1"></rect><rect x="1" y="9" width="6" height="6" rx="1" ry="1"></rect><rect x="9" y="9" width="6" height="6" rx="1" ry="1"></rect></g></svg>

cps/static/css/libs/images/toolbarButton-zoomIn-dark.svg

@@ -1,5 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"
-fill="rgba(255,255,255,1)"><path d="M14 7H9V2a1 1 0 0 0-2 0v5H2a1 1 0 0 0 0 2h5v5a1 1 0 0 0 2 0V9h5a1 1 0 0 0 0-2z"></path></svg>

cps/static/css/libs/images/toolbarButton-zoomOut-dark.svg

@@ -1,5 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16"
-fill="rgba(255,255,255,1)"><rect x="2" y="7" width="12" height="2" rx="1"></rect></svg>

cps/static/css/libs/images/treeitem-collapsed-dark.svg

@@ -1,2 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"
-fill="rgba(255,255,255,1)"><path d="M13 9L6 5v8z"/></svg>

cps/static/css/libs/images/treeitem-expanded-dark.svg

@@ -1,2 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"
-fill="rgba(255,255,255,1)"><path d="M10 13l4-7H6z"/></svg>

cps/static/css/reader.css

@@ -0,0 +1,29 @@
+.fontSizeWrapper {
+    position: relative;
+}
+.slider {
+    position: absolute;
+    top: 50%;
+    transform: translate(0,-50%);
+    width: 90%;
+    height: 60px;
+    background: transparent;
+    border-radius: 20px;
+    display: flex;
+    align-items: center;
+    box-shadow: 0px 15px 40px #7E6D5766;
+}
+.slider label {
+    font-size: 20px;
+    font-weight: 400;
+    font-family: Open Sans;
+    padding-right: 10px;
+    color: white;
+}
+.slider input[type="range"] {
+    width: 80%;
+    height: 5px;
+    background: black;
+    border: none;
+    outline: none;
+}

cps/static/js/caliBlur.js

@@ -16,7 +16,6 @@
  */
 // Move advanced search to side-menu
 $("a[href*='advanced']").parent().insertAfter("#nav_new");
-$("body").addClass("blur");
 $("body.stat").addClass("stats");
 $("body.config").addClass("admin");
 $("body.uiconfig").addClass("admin");
@@ -29,8 +28,8 @@ $("body > div.container-fluid > div > div.col-sm-10 > div.filterheader").attr("s
 // Back button
 curHref = window.location.href.split("/");
 prevHref = document.referrer.split("/");
-$(".navbar-form.navbar-left")
+$(".plexBack a").attr('href', encodeURI(document.referrer));
-    .before('<div class="plexBack"><a href="' + encodeURI(document.referrer) + '"></a></div>');
+
 if (history.length === 1 ||
     curHref[0] +
     curHref[1] +
@@ -44,14 +43,9 @@ if (history.length === 1 ||
 
 //Weird missing a after pressing back from edit.
 setTimeout(function () {
-    if ($(".plexBack a").length < 1) {
+    $(".plexBack a").attr('href', encodeURI(document.referrer));
-        $(".plexBack").append('<a href="' + encodeURI(document.referrer) + '"></a>');
-    }
 }, 10);
 
-// Home button
-$(".plexBack").before('<div class="home-btn"></div>');
-$("a.navbar-brand").clone().appendTo(".home-btn").empty().removeClass("navbar-brand");
 /////////////////////////////////
 // Start of Book Details Work //
 ///////////////////////////////
@@ -326,13 +320,8 @@ url = window.location.pathname
 // Move create shelf
 $("#nav_createshelf").prependTo(".your-shelves");
 
-// Create drop-down for profile and move elements to it
+// Move About link it the profile dropdown
-$("#main-nav")
+$(".profileDropli #top_user").parent().after($("#nav_about").addClass("dropdown"))
-    .prepend('<li class="dropdown"><a href="#" class="dropdown-toggle profileDrop" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"><span class="glyphicon glyphicon-user"></span></a><ul class="dropdown-menu profileDropli"></ul></li>');
-$("#top_user").parent().addClass("dropdown").appendTo(".profileDropli");
-$("#nav_about").addClass("dropdown").appendTo(".profileDropli");
-$("#register").parent().addClass("dropdown").appendTo(".profileDropli");
-$("#logout").parent().addClass("dropdown").appendTo(".profileDropli");
 
 // Remove the modals except from some areas where they are needed
 bodyClass = $("body").attr("class").split(" ");
@@ -666,7 +655,7 @@ $("#sendbtn").attr({
 
 $("#sendbtn2").attr({
     "data-toggle-two": "tooltip",
-    "title": $("#sendbtn2").text(),                 // "Send to E-Reader",
+    "title": $("#sendbtn2").text(),                 // "Send to eReader",
     "data-placement": "bottom",
     "data-viewport": ".btn-toolbar"
 })

cps/static/js/compress/uncompress.js

@@ -125,7 +125,7 @@ function loadArchiveFormats(formats, cb) {
 				_loaded_archive_formats.push(archive_format);
 				break;
 			case 'zip':
-				loadScript(path + 'jszip.js', checkForLoadDone);
+				loadScript(path + 'jszip.min.js', checkForLoadDone);
 				_loaded_archive_formats.push(archive_format);
 				break;
 			case 'tar':

cps/static/js/kthoom.js

@@ -163,6 +163,14 @@ kthoom.ImageFile = function(file) {
             this.mimeType = undefined;
             break;
     }
+
+    // Reset mime type for special files originating from Apple devices
+    // This folder may contain files having image extensions (for example .jpg) but those files are not actual images
+    // Trying to view these files cause corrupted/empty pages in the comic reader and files should be ignored
+    if (this.filename.indexOf("__MACOSX") !== -1) {
+        this.mimeType = undefined;
+    }
+
     if ( this.mimeType !== undefined) {
         this.dataURI = createURLFromArray(file.fileData, this.mimeType);
     }

cps/static/js/libs/bar-ui.js

@@ -177,6 +177,9 @@
 
         whileplaying: function () {
 
+          // get csrf_token
+          let csrf_token = $("input[name='csrf_token']").val();
+
 
           //This sends a bookmark update to calibreweb every 30 seconds.
           if (this.progressBuffer == undefined) {
@@ -187,7 +190,10 @@
 
             $.ajax(calibre.bookmarkUrl, {
               method: "post",
-              data: { bookmark: this.position }
+              data: {
+                csrf_token: csrf_token,
+                bookmark: this.position
+              }
             }).fail(function (xhr, status, error) {
               console.error(error);
             });

cps/static/js/libs/bootstrap-datepicker/locales/bootstrap-datepicker.gl.min.js

@@ -0,0 +1 @@
+!function(a){a.fn.datepicker.dates.gl={days:["Domingo","Luns","Martes","Mércores","Xoves","Venres","Sábado"],daysShort:["Dom","Lun","Mar","Mér","Xov","Ven","Sáb"],daysMin:["Do","Lu","Ma","Me","Xo","Ve","Sa"],months:["Xaneiro","Febreiro","Marzo","Abril","Maio","Xuño","Xullo","Agosto","Setembro","Outubro","Novembro","Decembro"],monthsShort:["Xan","Feb","Mar","Abr","Mai","Xun","Xul","Ago","Sep","Out","Nov","Dec"],today:"Hoxe",clear:"Limpar",weekStart:1,format:"dd/mm/yyyy"}}(jQuery);

cps/static/js/libs/bootstrap-datepicker/locales/bootstrap-datepicker.id.min.js

@@ -0,0 +1 @@
+!function(a){a.fn.datepicker.dates.id={days:["Minggu","Senin","Selasa","Rabu","Kamis","Jumat","Sabtu"],daysShort:["Mgu","Sen","Sel","Rab","Kam","Jum","Sab"],daysMin:["Mg","Sn","Sl","Ra","Ka","Ju","Sa"],months:["Januari","Februari","Maret","April","Mei","Juni","Juli","Agustus","September","Oktober","November","Desember"],monthsShort:["Jan","Feb","Mar","Apr","Mei","Jun","Jul","Ags","Sep","Okt","Nov","Des"],today:"Hari Ini",clear:"Kosongkan"}}(jQuery);

cps/static/js/libs/bootstrap-datepicker/locales/bootstrap-datepicker.no.min.js

@@ -0,0 +1 @@
+!function(a){a.fn.datepicker.dates.no={days:["søndag","mandag","tirsdag","onsdag","torsdag","fredag","lørdag"],daysShort:["søn","man","tir","ons","tor","fre","lør"],daysMin:["sø","ma","ti","on","to","fr","lø"],months:["januar","februar","mars","april","mai","juni","juli","august","september","oktober","november","desember"],monthsShort:["jan","feb","mar","apr","mai","jun","jul","aug","sep","okt","nov","des"],today:"i dag",monthsTitle:"Måneder",clear:"Nullstill",weekStart:1,format:"dd.mm.yyyy"}}(jQuery);

cps/static/js/libs/bootstrap-datepicker/locales/bootstrap-datepicker.vi.min.js

@@ -0,0 +1 @@
+!function(a){a.fn.datepicker.dates.vi={days:["Chủ nhật","Thứ hai","Thứ ba","Thứ tư","Thứ năm","Thứ sáu","Thứ bảy"],daysShort:["CN","Thứ 2","Thứ 3","Thứ 4","Thứ 5","Thứ 6","Thứ 7"],daysMin:["CN","T2","T3","T4","T5","T6","T7"],months:["Tháng 1","Tháng 2","Tháng 3","Tháng 4","Tháng 5","Tháng 6","Tháng 7","Tháng 8","Tháng 9","Tháng 10","Tháng 11","Tháng 12"],monthsShort:["Th1","Th2","Th3","Th4","Th5","Th6","Th7","Th8","Th9","Th10","Th11","Th12"],today:"Hôm nay",clear:"Xóa",format:"dd/mm/yyyy"}}(jQuery);

cps/static/js/libs/tinymce/langs/no.js

@@ -0,0 +1,412 @@
+/*!
+ * TinyMCE Language Pack
+ *
+ * Copyright (c) 2022 Ephox Corporation DBA Tiny Technologies, Inc.
+ * Licensed under the Tiny commercial license. See https://www.tiny.cloud/legal/
+ */
+tinymce.addI18n('nb_NO', {
+"Redo": "Gjør om",
+"Undo": "Angre",
+"Cut": "Klipp ut",
+"Copy": "Kopier",
+"Paste": "Lim inn",
+"Select all": "Marker alt",
+"New document": "Nytt dokument",
+"Ok": "",
+"Cancel": "Avbryt",
+"Visual aids": "Visuelle hjelpemidler",
+"Bold": "Fet",
+"Italic": "Kursiv",
+"Underline": "Understreking",
+"Strikethrough": "Gjennomstreking",
+"Superscript": "Hevet skrift",
+"Subscript": "Senket skrift",
+"Clear formatting": "Fjern formateringer",
+"Remove": "",
+"Align left": "Venstrejuster",
+"Align center": "Midtstill",
+"Align right": "Høyrejuster",
+"No alignment": "",
+"Justify": "Blokkjuster",
+"Bullet list": "Punktliste",
+"Numbered list": "Nummerliste",
+"Decrease indent": "Reduser innrykk",
+"Increase indent": "Øk innrykk",
+"Close": "Lukk",
+"Formats": "Stiler",
+"Your browser doesn't support direct access to the clipboard. Please use the Ctrl+X/C/V keyboard shortcuts instead.": "Nettleseren din støtter ikke direkte tilgang til utklippsboken. Bruk istedet tastatursnarveiene Ctrl+X/C/V.",
+"Headings": "Overskrifter",
+"Heading 1": "Overskrift 1",
+"Heading 2": "Overskrift 2",
+"Heading 3": "Overskrift 3",
+"Heading 4": "Overskrift 4",
+"Heading 5": "Overskrift 5",
+"Heading 6": "Overskrift 6",
+"Preformatted": "Forhåndsformatert",
+"Div": "",
+"Pre": "",
+"Code": "Kode",
+"Paragraph": "Avsnitt",
+"Blockquote": "",
+"Inline": "Innkapslet",
+"Blocks": "Blokker",
+"Paste is now in plain text mode. Contents will now be pasted as plain text until you toggle this option off.": "Lim inn er nå i ren tekst-modus. Kopiert innhold vil bli limt inn som ren tekst inntil du slår av dette valget.",
+"Fonts": "Fonter",
+"Font sizes": "",
+"Class": "Klasse",
+"Browse for an image": "Søk etter bilde",
+"OR": "",
+"Drop an image here": "Slipp et bilde her",
+"Upload": "Last opp",
+"Uploading image": "",
+"Block": "Blokk",
+"Align": "Juster",
+"Default": "Standard",
+"Circle": "Sirkel",
+"Disc": "Disk",
+"Square": "Firkant",
+"Lower Alpha": "Små bokstaver",
+"Lower Greek": "Greske minuskler",
+"Lower Roman": "Små romertall",
+"Upper Alpha": "Store bokstaver",
+"Upper Roman": "Store romertall",
+"Anchor...": "Lenke",
+"Anchor": "",
+"Name": "Navn",
+"ID": "",
+"ID should start with a letter, followed only by letters, numbers, dashes, dots, colons or underscores.": "",
+"You have unsaved changes are you sure you want to navigate away?": "Du har ikke arkivert endringene. Vil du fortsette uten å arkivere?",
+"Restore last draft": "Gjenopprett siste utkast",
+"Special character...": "Spesialtegn...",
+"Special Character": "",
+"Source code": "Kildekode",
+"Insert/Edit code sample": "Sett inn / endre kodeeksempel",
+"Language": "Språk",
+"Code sample...": "Kodeeksempel",
+"Left to right": "Venstre til høyre",
+"Right to left": "Høyre til venstre",
+"Title": "Tittel",
+"Fullscreen": "Fullskjerm",
+"Action": "Handling",
+"Shortcut": "Snarvei",
+"Help": "Hjelp",
+"Address": "Adresse",
+"Focus to menubar": "Fokus på menylinje",
+"Focus to toolbar": "Fokus på verktøylinje",
+"Focus to element path": "Fokus på elementsti",
+"Focus to contextual toolbar": "Fokus på kontekstuell verktøylinje",
+"Insert link (if link plugin activated)": "Sett inn lenke (dersom lenketillegg er aktivert)",
+"Save (if save plugin activated)": "Lagre (dersom lagretillegg er aktivert)",
+"Find (if searchreplace plugin activated)": "Finn (dersom tillegg for søk og erstatt er aktivert)",
+"Plugins installed ({0}):": "Installerte tillegg ({0}):",
+"Premium plugins:": "Premiumtillegg:",
+"Learn more...": "Les mer ...",
+"You are using {0}": "Du bruker {0}",
+"Plugins": "Programtillegg",
+"Handy Shortcuts": "Nyttige snarveier",
+"Horizontal line": "Horisontal linje",
+"Insert/edit image": "Sett inn / rediger bilde",
+"Alternative description": "Alternativ beskrivelse",
+"Accessibility": "Tilgjengelighet",
+"Image is decorative": "Bilde er dekorasjon",
+"Source": "Kilde",
+"Dimensions": "Størrelser",
+"Constrain proportions": "Begrens proporsjoner",
+"General": "Generelt",
+"Advanced": "Avansert",
+"Style": "Stil",
+"Vertical space": "Vertikal avstand",
+"Horizontal space": "Horisontal avstand",
+"Border": "Ramme",
+"Insert image": "Sett inn bilde",
+"Image...": "Bilde...",
+"Image list": "Bildeliste",
+"Resize": "Skaler",
+"Insert date/time": "Sett inn dato/tid",
+"Date/time": "Dato/tid",
+"Insert/edit link": "Sett inn / rediger lenke",
+"Text to display": "Tekst som skal vises",
+"Url": "",
+"Open link in...": "Åpne lenke i..",
+"Current window": "Nåværende vindu",
+"None": "Ingen",
+"New window": "Nytt vindu",
+"Open link": "Åpne lenke",
+"Remove link": "Fjern lenke",
+"Anchors": "Forankringspunkter",
+"Link...": "Lenke...",
+"Paste or type a link": "Lim inn eller skriv en lenke",
+"The URL you entered seems to be an email address. Do you want to add the required mailto: prefix?": "Oppgitt URL ser ut til å være en e-postadresse. Ønsker du å sette inn påkrevet mailto: prefiks foran e-postadressen?",
+"The URL you entered seems to be an external link. Do you want to add the required http:// prefix?": "URL du skrev inn ser ut som en ekstern adresse. Vil du legge til det obligatoriske prefikset http://?",
+"The URL you entered seems to be an external link. Do you want to add the required https:// prefix?": "Nettadressen du fylte inn ser ut til å være en ekstern. Ønsker du å legge til påkrevd 'https://'-prefiks?",
+"Link list": "Liste over lenker",
+"Insert video": "Sett inn video",
+"Insert/edit video": "Sett inn / rediger video",
+"Insert/edit media": "Sett inn / endre media",
+"Alternative source": "Alternativ kilde",
+"Alternative source URL": "Alternativ kilde URL",
+"Media poster (Image URL)": "Mediaposter (bilde-URL)",
+"Paste your embed code below:": "Lim inn inkluderingskoden nedenfor:",
+"Embed": "Inkluder",
+"Media...": "Media..",
+"Nonbreaking space": "Hardt mellomrom",
+"Page break": "Sideskifte",
+"Paste as text": "Lim inn som tekst",
+"Preview": "Forhåndsvis",
+"Print": "",
+"Print...": "Skriv ut...",
+"Save": "Lagre",
+"Find": "Søk etter",
+"Replace with": "Erstatt med",
+"Replace": "Erstatt",
+"Replace all": "Erstatt alle",
+"Previous": "Forrige",
+"Next": "Neste",
+"Find and Replace": "Finn og erstatt",
+"Find and replace...": "Finn og erstatt...",
+"Could not find the specified string.": "Kunne ikke finne den spesifiserte teksten",
+"Match case": "Skill mellom store / små bokstaver",
+"Find whole words only": "Finn kun hele ord",
+"Find in selection": "Finn i utvalg",
+"Insert table": "Sett inn tabell",
+"Table properties": "Tabellegenskaper",
+"Delete table": "Slett tabell",
+"Cell": "Celle",
+"Row": "Rad",
+"Column": "Kolonne",
+"Cell properties": "Celleegenskaper",
+"Merge cells": "Slå sammen celler",
+"Split cell": "Splitt celle",
+"Insert row before": "Sett inn rad før",
+"Insert row after": "Sett inn rad etter",
+"Delete row": "Slett rad",
+"Row properties": "Radegenskaper",
+"Cut row": "Klipp ut rad",
+"Cut column": "",
+"Copy row": "Kopier rad",
+"Copy column": "",
+"Paste row before": "Lim inn rad før",
+"Paste column before": "",
+"Paste row after": "Lim inn rad etter",
+"Paste column after": "",
+"Insert column before": "Sett inn kolonne før",
+"Insert column after": "Sett inn kolonne etter",
+"Delete column": "Slett kolonne",
+"Cols": "Kolonner",
+"Rows": "Rader",
+"Width": "Bredde",
+"Height": "Høyde",
+"Cell spacing": "Celleavstand",
+"Cell padding": "Cellemarg",
+"Row clipboard actions": "",
+"Column clipboard actions": "",
+"Table styles": "",
+"Cell styles": "",
+"Column header": "",
+"Row header": "",
+"Table caption": "",
+"Caption": "Bildetekst",
+"Show caption": "Vis bildetekst",
+"Left": "Venstre",
+"Center": "Senter",
+"Right": "Høyre",
+"Cell type": "Celletype",
+"Scope": "Omfang",
+"Alignment": "Justering",
+"Horizontal align": "",
+"Vertical align": "",
+"Top": "Topp",
+"Middle": "Sentrert",
+"Bottom": "Bunn",
+"Header cell": "Overskriftscelle",
+"Row group": "Radgruppe",
+"Column group": "Kolonnegruppe",
+"Row type": "Radtype",
+"Header": "",
+"Body": "Brødtekst",
+"Footer": "Bunntekst",
+"Border color": "Rammefarge",
+"Solid": "",
+"Dotted": "",
+"Dashed": "",
+"Double": "",
+"Groove": "",
+"Ridge": "",
+"Inset": "",
+"Outset": "",
+"Hidden": "",
+"Insert template...": "Sett inn mal..",
+"Templates": "Maler",
+"Template": "Mal",
+"Insert Template": "",
+"Text color": "Tekstfarge",
+"Background color": "Bakgrunnsfarge",
+"Custom...": "Tilpasset...",
+"Custom color": "Tilpasset farge",
+"No color": "Ingen farge",
+"Remove color": "Fjern farge",
+"Show blocks": "Vis blokker",
+"Show invisible characters": "Vis skjulte tegn",
+"Word count": "Ordtelling",
+"Count": "Opptelling",
+"Document": "Dokument",
+"Selection": "Utvalg",
+"Words": "Ord",
+"Words: {0}": "Ord: {0}",
+"{0} words": "{0} ord",
+"File": "Fil",
+"Edit": "Rediger",
+"Insert": "Sett inn",
+"View": "Vis",
+"Format": "",
+"Table": "Tabell",
+"Tools": "Verktøy",
+"Powered by {0}": "Drevet av {0}",
+"Rich Text Area. Press ALT-F9 for menu. Press ALT-F10 for toolbar. Press ALT-0 for help": "Tekstredigering. Tast ALT-F9 for meny. Tast ALT-F10 for verktøylinje. Tast ALT-0 for hjelp.",
+"Image title": "Bildetittel",
+"Border width": "Bordbredde",
+"Border style": "Bordstil",
+"Error": "Feil",
+"Warn": "Advarsel",
+"Valid": "Gyldig",
+"To open the popup, press Shift+Enter": "For å åpne popup, trykk Shift+Enter",
+"Rich Text Area": "",
+"Rich Text Area. Press ALT-0 for help.": "Rik-tekstområde. Trykk ALT-0 for hjelp.",
+"System Font": "Systemfont",
+"Failed to upload image: {0}": "Opplasting av bilde feilet: {0}",
+"Failed to load plugin: {0} from url {1}": "Kunne ikke laste tillegg: {0} from url {1}",
+"Failed to load plugin url: {0}": "Kunne ikke laste tillegg url: {0}",
+"Failed to initialize plugin: {0}": "Kunne ikke initialisere tillegg: {0}",
+"example": "eksempel",
+"Search": "Søk",
+"All": "Alle",
+"Currency": "Valuta",
+"Text": "Tekst",
+"Quotations": "Sitater",
+"Mathematical": "Matematisk",
+"Extended Latin": "Utvidet latin",
+"Symbols": "Symboler",
+"Arrows": "Piler",
+"User Defined": "Brukerdefinert",
+"dollar sign": "dollartegn",
+"currency sign": "valutasymbol",
+"euro-currency sign": "Euro-valutasymbol",
+"colon sign": "kolon-symbol",
+"cruzeiro sign": "cruzeiro-symbol",
+"french franc sign": "franske franc-symbol",
+"lira sign": "lire-symbol",
+"mill sign": "mill-symbol",
+"naira sign": "naira-symbol",
+"peseta sign": "peseta-symbol",
+"rupee sign": "rupee-symbol",
+"won sign": "won-symbol",
+"new sheqel sign": "Ny sheqel-symbol",
+"dong sign": "dong-symbol",
+"kip sign": "kip-symbol",
+"tugrik sign": "tugrik-symbol",
+"drachma sign": "drachma-symbol",
+"german penny symbol": "tysk penny-symbol",
+"peso sign": "peso-symbol",
+"guarani sign": "quarani-symbol",
+"austral sign": "austral-symbol",
+"hryvnia sign": "hryvina-symbol",
+"cedi sign": "credi-symbol",
+"livre tournois sign": "livre tournois-symbol",
+"spesmilo sign": "spesmilo-symbol",
+"tenge sign": "tenge-symbol",
+"indian rupee sign": "indisk rupee-symbol",
+"turkish lira sign": "tyrkisk lire-symbol",
+"nordic mark sign": "nordisk mark-symbol",
+"manat sign": "manat-symbol",
+"ruble sign": "ruble-symbol",
+"yen character": "yen-symbol",
+"yuan character": "yuan-symbol",
+"yuan character, in hong kong and taiwan": "yuan-symbol, i Hongkong og Taiwan",
+"yen/yuan character variant one": "yen/yuan-symbol variant en",
+"Emojis": "",
+"Emojis...": "",
+"Loading emojis...": "",
+"Could not load emojis": "",
+"People": "Mennesker",
+"Animals and Nature": "Dyr og natur",
+"Food and Drink": "Mat og drikke",
+"Activity": "Aktivitet",
+"Travel and Places": "Reise og steder",
+"Objects": "Objekter",
+"Flags": "Flagg",
+"Characters": "Tegn",
+"Characters (no spaces)": "Tegn (uten mellomrom)",
+"{0} characters": "{0} tegn",
+"Error: Form submit field collision.": "Feil: Skjemafelt innsendingskollisjon.",
+"Error: No form element found.": "Feil: Intet skjemafelt funnet.",
+"Color swatch": "Fargepalett",
+"Color Picker": "Fargevelger",
+"Invalid hex color code: {0}": "",
+"Invalid input": "",
+"R": "",
+"Red component": "",
+"G": "",
+"Green component": "",
+"B": "",
+"Blue component": "",
+"#": "",
+"Hex color code": "",
+"Range 0 to 255": "",
+"Turquoise": "Turkis",
+"Green": "Grønn",
+"Blue": "Blå",
+"Purple": "Lilla",
+"Navy Blue": "Marineblå",
+"Dark Turquoise": "Mørk turkis",
+"Dark Green": "Mørkegrønn",
+"Medium Blue": "Mellomblå",
+"Medium Purple": "Medium lilla",
+"Midnight Blue": "Midnattblå",
+"Yellow": "Gul",
+"Orange": "Oransje",
+"Red": "Rød",
+"Light Gray": "Lys grå",
+"Gray": "Grå",
+"Dark Yellow": "Mørk gul",
+"Dark Orange": "Mørk oransje",
+"Dark Red": "Mørkerød",
+"Medium Gray": "Medium grå",
+"Dark Gray": "Mørk grå",
+"Light Green": "Lys grønn",
+"Light Yellow": "Lys gul",
+"Light Red": "Lys rød",
+"Light Purple": "Lys lilla",
+"Light Blue": "Lys blå",
+"Dark Purple": "Mørk lilla",
+"Dark Blue": "Mørk blå",
+"Black": "Svart",
+"White": "Hvit",
+"Switch to or from fullscreen mode": "Bytt til eller fra fullskjermmodus",
+"Open help dialog": "Åpne hjelp-dialog",
+"history": "historikk",
+"styles": "stiler",
+"formatting": "formatering",
+"alignment": "justering",
+"indentation": "innrykk",
+"Font": "Skrift",
+"Size": "Størrelse",
+"More...": "Mer...",
+"Select...": "Velg...",
+"Preferences": "Innstillinger",
+"Yes": "Ja",
+"No": "Nei",
+"Keyboard Navigation": "Navigering med tastaturet",
+"Version": "Versjon",
+"Code view": "Kodevisning",
+"Open popup menu for split buttons": "Åpne sprettoppmeny for splitt-knapper",
+"List Properties": "Listeegenskaper",
+"List properties...": "Listeegenskaper ...",
+"Start list at number": "Start liste på nummer",
+"Line height": "Linjehøyde",
+"Dropped file type is not supported": "",
+"Loading...": "",
+"ImageProxy HTTP error: Rejected request": "",
+"ImageProxy HTTP error: Could not find Image Proxy": "",
+"ImageProxy HTTP error: Incorrect Image Proxy URL": "",
+"ImageProxy HTTP error: Unknown ImageProxy error": ""
+});

cps/static/js/main.js

@@ -503,6 +503,23 @@ $(function() {
             }
         });
     });
+    $("#metadata_backup").click(function() {
+        $("#DialogHeader").addClass("hidden");
+        $("#DialogFinished").addClass("hidden");
+        $("#DialogContent").html("");
+        $("#spinner2").show();
+        $.ajax({
+            method: "post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/metadata_backup",
+            success: function success(data) {
+                $("#spinner2").hide();
+                $("#DialogContent").html(data.text);
+                $("#DialogFinished").removeClass("hidden");
+            }
+        });
+    });
     $("#perform_update").click(function() {
         $("#DialogHeader").removeClass("hidden");
         $("#spinner2").show();

cps/static/js/table.js

@@ -548,12 +548,6 @@ $(function() {
         },
     });
 
-    $("#user-table").on("click-cell.bs.table", function (field, value, row, $element) {
-        if (value === "denied_column_value") {
-            confirmDialog("btndeluser", "GeneralDeleteModal", $element.id, user_handle);
-        }
-    });
-
     $("#user-table").on("check.bs.table check-all.bs.table uncheck.bs.table uncheck-all.bs.table",
     function (e, rowsAfter, rowsBefore) {
         var rows = rowsAfter;

cps/static/locale/ach/viewer.properties

@@ -48,16 +48,12 @@ bookmark_label=Neno ma kombedi
 tools.title=Gintic
 tools_label=Gintic
 first_page.title=Cit i pot buk mukwongo
-first_page.label=Cit i pot buk mukwongo
 first_page_label=Cit i pot buk mukwongo
 last_page.title=Cit i pot buk magiko
-last_page.label=Cit i pot buk magiko
 last_page_label=Cit i pot buk magiko
 page_rotate_cw.title=Wire i tung lacuc
-page_rotate_cw.label=Wire i tung lacuc
 page_rotate_cw_label=Wire i tung lacuc
 page_rotate_ccw.title=Wire i tung lacam
-page_rotate_ccw.label=Wire i tung lacam
 page_rotate_ccw_label=Wire i tung lacam
 
 cursor_text_select_tool.title=Cak gitic me yero coc
@@ -124,7 +120,6 @@ print_progress_close=Juki
 # (the _label strings are alt text for the buttons, the .title strings are
 # tooltips)
 toggle_sidebar.title=Lok gintic ma inget
-toggle_sidebar_notification.title=Lok lanyut me nget (wiyewiye tye i gin acoya/attachments)
 toggle_sidebar_label=Lok gintic ma inget
 document_outline.title=Nyut Wiyewiye me Gin acoya (dii-kiryo me yaro/kano jami weng)
 document_outline_label=Pek pa gin acoya
@@ -184,8 +179,6 @@ page_scale_actual=Dite kikome
 # numerical scale value.
 page_scale_percent={{scale}}%
 
-# Loading indicator messages
-loading_error_indicator=Bal
 loading_error=Bal otime kun cano PDF.
 invalid_file_error=Pwail me PDF ma pe atir onyo obale woko.
 missing_file_error=Pwail me PDF tye ka rem.

cps/static/locale/af/viewer.properties

@@ -48,16 +48,12 @@ bookmark_label=Huidige aansig
 tools.title=Nutsgoed
 tools_label=Nutsgoed
 first_page.title=Gaan na eerste bladsy
-first_page.label=Gaan na eerste bladsy
 first_page_label=Gaan na eerste bladsy
 last_page.title=Gaan na laaste bladsy
-last_page.label=Gaan na laaste bladsy
 last_page_label=Gaan na laaste bladsy
 page_rotate_cw.title=Roteer kloksgewys
-page_rotate_cw.label=Roteer kloksgewys
 page_rotate_cw_label=Roteer kloksgewys
 page_rotate_ccw.title=Roteer anti-kloksgewys
-page_rotate_ccw.label=Roteer anti-kloksgewys
 page_rotate_ccw_label=Roteer anti-kloksgewys
 
 cursor_text_select_tool.title=Aktiveer gereedskap om teks te merk
@@ -101,7 +97,6 @@ print_progress_close=Kanselleer
 # (the _label strings are alt text for the buttons, the .title strings are
 # tooltips)
 toggle_sidebar.title=Sypaneel aan/af
-toggle_sidebar_notification.title=Sypaneel aan/af (dokument bevat skema/aanhegsels)
 toggle_sidebar_label=Sypaneel aan/af
 document_outline.title=Wys dokumentskema (dubbelklik om alle items oop/toe te vou)
 document_outline_label=Dokumentoorsig
@@ -161,8 +156,6 @@ page_scale_actual=Werklike grootte
 # numerical scale value.
 page_scale_percent={{scale}}%
 
-# Loading indicator messages
-loading_error_indicator=Fout
 loading_error='n Fout het voorgekom met die laai van die PDF.
 invalid_file_error=Ongeldige of korrupte PDF-lêer.
 missing_file_error=PDF-lêer is weg.