Better output messages for failed kindlegen conversions (fix #191)

This commit is contained in:
OzzieIsaacs 2017-05-19 21:30:39 +02:00
parent 38fa9ce206
commit 5f4d839895

View File

@ -52,6 +52,9 @@ except Exception as e:
global_task = None
updater_thread = None
RET_SUCCESS = 1
RET_FAIL = 0
def update_download(book_id, user_id):
check = ub.session.query(ub.Downloads).filter(ub.Downloads.user_id == user_id).filter(ub.Downloads.book_id ==
book_id).first()
@ -63,6 +66,7 @@ def update_download(book_id, user_id):
def make_mobi(book_id, calibrepath):
error_message = None
vendorpath = os.path.join(os.path.normpath(os.path.dirname(os.path.realpath(__file__)) +
os.sep + "../vendor" + os.sep))
if sys.platform == "win32":
@ -70,13 +74,15 @@ def make_mobi(book_id, calibrepath):
else:
kindlegen = (os.path.join(vendorpath, u"kindlegen")).encode(sys.getfilesystemencoding())
if not os.path.exists(kindlegen):
app.logger.error("make_mobi: kindlegen binary not found in: %s" % kindlegen)
return None
error_message = _(u"kindlegen binary %(kindlepath)s not found", kindlepath=kindlegen)
app.logger.error("make_mobi: " + error_message)
return error_message, RET_FAIL
book = db.session.query(db.Books).filter(db.Books.id == book_id).first()
data = db.session.query(db.Data).filter(db.Data.book == book.id).filter(db.Data.format == 'EPUB').first()
if not data:
app.logger.error("make_mobi: epub format not found for book id: %d" % book_id)
return None
error_message = _(u"epub format not found for book id: %(book)d", book=book_id)
app.logger.error("make_mobi: " + error_message)
return error_message, RET_FAIL
file_path = os.path.join(calibrepath, book.path, data.name)
if os.path.exists(file_path + u".epub"):
@ -88,6 +94,15 @@ def make_mobi(book_id, calibrepath):
if nextline == '' and p.poll() is not None:
break
if nextline != "\r\n":
# Format of error message (kindlegen translates its output texts):
# Error(prcgen):E23006: Language not recognized in metadata.The dc:Language field is mandatory.Aborting.
conv_error=re.search(".*\(.*\):(E\d+):\s(.*)",nextline)
# If error occoures, log in every case
if conv_error:
error_message = _(u"Kindlegen failed with Error %(error)s. Message: %(message)s",
error=conv_error.group(1), message=conv_error.group(2).decode('utf-8'))
app.logger.info("make_mobi: " + error_message)
app.logger.info(nextline.strip('\r\n'))
app.logger.debug(nextline.strip('\r\n'))
check = p.returncode
@ -99,13 +114,13 @@ def make_mobi(book_id, calibrepath):
uncompressed_size=os.path.getsize(file_path + ".mobi")
))
db.session.commit()
return file_path + ".mobi"
return file_path + ".mobi", RET_SUCCESS
else:
app.logger.error("make_mobi: kindlegen failed with error while converting book")
return None
return error_message, RET_FAIL
else:
app.logger.error("make_mobie: epub not found: %s.epub" % file_path)
return None
app.logger.error("make_mobi: epub not found: %s.epub" % file_path)
return None, RET_FAIL
class StderrLogger(object):
@ -204,13 +219,11 @@ def send_mail(book_id, kindle_mail, calibrepath):
if 'mobi' in formats:
msg.attach(get_attachment(formats['mobi']))
elif 'epub' in formats:
filepath = make_mobi(book.id, calibrepath)
if filepath is not None:
msg.attach(get_attachment(filepath))
elif filepath is None:
return _("Could not convert epub to mobi")
elif 'pdf' in formats:
msg.attach(get_attachment(formats['pdf']))
data, resultCode = make_mobi(book.id, calibrepath)
if resultCode == RET_SUCCESS:
msg.attach(get_attachment(data))
else:
return data #_("Could not convert epub to mobi")
elif 'pdf' in formats:
msg.attach(get_attachment(formats['pdf']))
else: