2019-07-13 18:45:48 +00:00
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# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2019 OzzieIsaacs, cervinko, jkrehm, bodybybuddha, ok11,
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# andy29485, idalin, Kyosfonica, wuqi, Kennyl, lemmsh,
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# falgh1, grunjol, csitko, ytils, xybydy, trasba, vrabe,
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# ruben-herold, marblepebble, JackED42, SiphonSquirrel,
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# apetresc, nanu-c, mutschler
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# custom jinja filters
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from __future__ import division, print_function, unicode_literals
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import datetime
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import mimetypes
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2020-11-22 09:03:10 +00:00
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from uuid import uuid4
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2019-07-13 18:45:48 +00:00
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from babel.dates import format_date
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from flask import Blueprint, request, url_for
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from flask_babel import get_locale
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from flask_login import current_user
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from . import logger
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jinjia = Blueprint('jinjia', __name__)
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log = logger.create()
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# pagination links in jinja
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@jinjia.app_template_filter('url_for_other_page')
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def url_for_other_page(page):
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args = request.view_args.copy()
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args['page'] = page
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2020-10-04 17:23:06 +00:00
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for get, val in request.args.items():
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args[get] = val
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2019-07-13 18:45:48 +00:00
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return url_for(request.endpoint, **args)
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# shortentitles to at longest nchar, shorten longer words if necessary
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@jinjia.app_template_filter('shortentitle')
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def shortentitle_filter(s, nchar=20):
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text = s.split()
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res = "" # result
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suml = 0 # overall length
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for line in text:
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if suml >= 60:
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res += '...'
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break
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# if word longer than 20 chars truncate line and append '...', otherwise add whole word to result
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# string, and summarize total length to stop at chars given by nchar
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if len(line) > nchar:
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res += line[:(nchar-3)] + '[..] '
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suml += nchar+3
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else:
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res += line + ' '
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suml += len(line) + 1
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return res.strip()
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@jinjia.app_template_filter('mimetype')
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def mimetype_filter(val):
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return mimetypes.types_map.get('.' + val, 'application/octet-stream')
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@jinjia.app_template_filter('formatdate')
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def formatdate_filter(val):
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try:
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2020-06-06 07:52:35 +00:00
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return format_date(val, format='medium', locale=get_locale())
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2019-07-13 18:45:48 +00:00
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except AttributeError as e:
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2020-04-19 17:08:58 +00:00
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log.error('Babel error: %s, Current user locale: %s, Current User: %s', e,
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current_user.locale,
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2021-03-21 17:55:02 +00:00
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current_user.name
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2020-04-19 17:08:58 +00:00
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)
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2020-06-06 07:52:35 +00:00
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return val
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2019-07-13 18:45:48 +00:00
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2020-04-19 17:08:58 +00:00
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2019-07-13 18:45:48 +00:00
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@jinjia.app_template_filter('formatdateinput')
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def format_date_input(val):
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2020-06-06 07:52:35 +00:00
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input_date = val.isoformat().split('T', 1)[0] # Hack to support dates <1900
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2019-07-13 18:45:48 +00:00
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return '' if input_date == "0101-01-01" else input_date
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@jinjia.app_template_filter('strftime')
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def timestamptodate(date, fmt=None):
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date = datetime.datetime.fromtimestamp(
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int(date)/1000
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)
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native = date.replace(tzinfo=None)
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if fmt:
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time_format = fmt
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else:
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time_format = '%d %m %Y - %H:%S'
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return native.strftime(time_format)
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@jinjia.app_template_filter('yesno')
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def yesno(value, yes, no):
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return yes if value else no
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2020-07-25 17:39:19 +00:00
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2020-10-10 10:47:49 +00:00
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2020-07-25 17:39:19 +00:00
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@jinjia.app_template_filter('formatfloat')
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def formatfloat(value, decimals=1):
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2021-07-11 10:52:35 +00:00
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return ('{0:.' + str(decimals) + 'g}').format(value)
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2020-10-10 10:47:49 +00:00
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2020-06-30 06:34:26 +00:00
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@jinjia.app_template_filter('formatseriesindex')
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def formatseriesindex_filter(series_index):
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2020-10-10 10:47:49 +00:00
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if series_index:
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2021-05-19 17:54:44 +00:00
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try:
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if int(series_index) - series_index == 0:
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return int(series_index)
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else:
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return series_index
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except ValueError:
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2020-10-10 10:47:49 +00:00
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return series_index
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return 0
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2020-11-22 09:03:10 +00:00
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@jinjia.app_template_filter('uuidfilter')
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def uuidfilter(var):
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return uuid4()
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