197 lines
8.5 KiB
Python
197 lines
8.5 KiB
Python
|
from __future__ import division, print_function, unicode_literals
|
||
|
|
import sys
|
||
|
|
import os
|
||
|
|
import re
|
||
|
|
|
||
|
|
from glob import glob
|
||
|
|
from shutil import copyfile
|
||
|
|
|
||
|
|
from cps.services.worker import CalibreTask
|
||
|
|
from cps import calibre_db, db
|
||
|
|
from cps import logger, config
|
||
|
|
from cps.subproc_wrapper import process_open
|
||
|
|
from flask_babel import gettext as _
|
||
|
|
|
||
|
|
log = logger.create()
|
||
|
|
|
||
|
|
|
||
|
|
class TaskConvert(CalibreTask):
|
||
|
|
def __init__(self, file_path, bookid, taskMessage, settings, kindle_mail):
|
||
|
|
super().__init__(taskMessage)
|
||
|
|
self.file_path = file_path
|
||
|
|
self.bookid = bookid
|
||
|
|
self.settings = settings
|
||
|
|
self.kindle_mail = kindle_mail
|
||
|
|
|
||
|
|
self.results = dict()
|
||
|
|
|
||
|
|
def run(self, worker_thread):
|
||
|
|
self.worker_thread = worker_thread
|
||
|
|
filename = self._convert_ebook_format()
|
||
|
|
# todo: re-enable this (need to set up gdrive to test with)
|
||
|
|
# if filename:
|
||
|
|
# if config.config_use_google_drive:
|
||
|
|
# gdriveutils.updateGdriveCalibreFromLocal()
|
||
|
|
# if curr_task == TASK_CONVERT:
|
||
|
|
# self.add_email(self.queue[index]['settings']['subject'], self.queue[index]['path'],
|
||
|
|
# filename, self.queue[index]['settings'], self.queue[index]['kindle'],
|
||
|
|
# self.UIqueue[index]['user'], self.queue[index]['title'],
|
||
|
|
# self.queue[index]['settings']['body'], internal=True)
|
||
|
|
|
||
|
|
self._handleSuccess()
|
||
|
|
pass
|
||
|
|
|
||
|
|
def _convert_ebook_format(self):
|
||
|
|
error_message = None
|
||
|
|
file_path = self.file_path
|
||
|
|
book_id = self.bookid
|
||
|
|
format_old_ext = u'.' + self.settings['old_book_format'].lower()
|
||
|
|
format_new_ext = u'.' + self.settings['new_book_format'].lower()
|
||
|
|
|
||
|
|
# check to see if destination format already exists -
|
||
|
|
# if it does - mark the conversion task as complete and return a success
|
||
|
|
# this will allow send to kindle workflow to continue to work
|
||
|
|
if os.path.isfile(file_path + format_new_ext):
|
||
|
|
log.info("Book id %d already converted to %s", book_id, format_new_ext)
|
||
|
|
cur_book = calibre_db.get_book(book_id)
|
||
|
|
self.results['path'] = file_path
|
||
|
|
self.results['title'] = cur_book.title
|
||
|
|
self._handleSuccess()
|
||
|
|
return file_path + format_new_ext
|
||
|
|
else:
|
||
|
|
log.info("Book id %d - target format of %s does not exist. Moving forward with convert.",
|
||
|
|
book_id,
|
||
|
|
format_new_ext)
|
||
|
|
|
||
|
|
if config.config_kepubifypath and format_old_ext == '.epub' and format_new_ext == '.kepub':
|
||
|
|
check, error_message = self._convert_kepubify(file_path,
|
||
|
|
format_old_ext,
|
||
|
|
format_new_ext)
|
||
|
|
else:
|
||
|
|
# check if calibre converter-executable is existing
|
||
|
|
if not os.path.exists(config.config_converterpath):
|
||
|
|
# ToDo Text is not translated
|
||
|
|
self._handleError(_(u"Calibre ebook-convert %(tool)s not found", tool=config.config_converterpath))
|
||
|
|
return
|
||
|
|
check, error_message = self._convert_calibre(file_path, format_old_ext, format_new_ext)
|
||
|
|
|
||
|
|
if check == 0:
|
||
|
|
cur_book = calibre_db.get_book(book_id)
|
||
|
|
if os.path.isfile(file_path + format_new_ext):
|
||
|
|
# self.db_queue.join()
|
||
|
|
new_format = db.Data(name=cur_book.data[0].name,
|
||
|
|
book_format=self.settings['new_book_format'].upper(),
|
||
|
|
book=book_id, uncompressed_size=os.path.getsize(file_path + format_new_ext))
|
||
|
|
|
||
|
|
# todo: this may not be needed anymore, might be able to access the DB directly now. See #1565
|
||
|
|
task = {'task':'add_format','id': book_id, 'format': new_format}
|
||
|
|
self.worker_thread.db_queue.put(task)
|
||
|
|
# To Do how to handle error?
|
||
|
|
|
||
|
|
'''cur_book.data.append(new_format)
|
||
|
|
try:
|
||
|
|
# db.session.merge(cur_book)
|
||
|
|
calibre_db.session.commit()
|
||
|
|
except OperationalError as e:
|
||
|
|
calibre_db.session.rollback()
|
||
|
|
log.error("Database error: %s", e)
|
||
|
|
self._handleError(_(u"Database error: %(error)s.", error=e))
|
||
|
|
return'''
|
||
|
|
|
||
|
|
self.results['path'] = cur_book.path
|
||
|
|
self.results['title'] = cur_book.title
|
||
|
|
if config.config_use_google_drive:
|
||
|
|
os.remove(file_path + format_old_ext)
|
||
|
|
self._handleSuccess()
|
||
|
|
return file_path + format_new_ext
|
||
|
|
else:
|
||
|
|
error_message = format_new_ext.upper() + ' format not found on disk'
|
||
|
|
log.info("ebook converter failed with error while converting book")
|
||
|
|
if not error_message:
|
||
|
|
error_message = 'Ebook converter failed with unknown error'
|
||
|
|
self._handleError(error_message)
|
||
|
|
return
|
||
|
|
|
||
|
|
def _convert_kepubify(self, file_path, format_old_ext, format_new_ext):
|
||
|
|
quotes = [1, 3]
|
||
|
|
command = [config.config_kepubifypath, (file_path + format_old_ext), '-o', os.path.dirname(file_path)]
|
||
|
|
try:
|
||
|
|
p = process_open(command, quotes)
|
||
|
|
except OSError as e:
|
||
|
|
return 1, _(u"Kepubify-converter failed: %(error)s", error=e)
|
||
|
|
self.progress = 0.01
|
||
|
|
while True:
|
||
|
|
nextline = p.stdout.readlines()
|
||
|
|
nextline = [x.strip('\n') for x in nextline if x != '\n']
|
||
|
|
if sys.version_info < (3, 0):
|
||
|
|
nextline = [x.decode('utf-8') for x in nextline]
|
||
|
|
for line in nextline:
|
||
|
|
log.debug(line)
|
||
|
|
if p.poll() is not None:
|
||
|
|
break
|
||
|
|
|
||
|
|
# ToD Handle
|
||
|
|
# process returncode
|
||
|
|
check = p.returncode
|
||
|
|
|
||
|
|
# move file
|
||
|
|
if check == 0:
|
||
|
|
converted_file = glob(os.path.join(os.path.dirname(file_path), "*.kepub.epub"))
|
||
|
|
if len(converted_file) == 1:
|
||
|
|
copyfile(converted_file[0], (file_path + format_new_ext))
|
||
|
|
os.unlink(converted_file[0])
|
||
|
|
else:
|
||
|
|
return 1, _(u"Converted file not found or more than one file in folder %(folder)s",
|
||
|
|
folder=os.path.dirname(file_path))
|
||
|
|
return check, None
|
||
|
|
|
||
|
|
def _convert_calibre(self, file_path, format_old_ext, format_new_ext):
|
||
|
|
try:
|
||
|
|
# Linux py2.7 encode as list without quotes no empty element for parameters
|
||
|
|
# linux py3.x no encode and as list without quotes no empty element for parameters
|
||
|
|
# windows py2.7 encode as string with quotes empty element for parameters is okay
|
||
|
|
# windows py 3.x no encode and as string with quotes empty element for parameters is okay
|
||
|
|
# separate handling for windows and linux
|
||
|
|
quotes = [1, 2]
|
||
|
|
command = [config.config_converterpath, (file_path + format_old_ext),
|
||
|
|
(file_path + format_new_ext)]
|
||
|
|
quotes_index = 3
|
||
|
|
if config.config_calibre:
|
||
|
|
parameters = config.config_calibre.split(" ")
|
||
|
|
for param in parameters:
|
||
|
|
command.append(param)
|
||
|
|
quotes.append(quotes_index)
|
||
|
|
quotes_index += 1
|
||
|
|
|
||
|
|
p = process_open(command, quotes)
|
||
|
|
except OSError as e:
|
||
|
|
return 1, _(u"Ebook-converter failed: %(error)s", error=e)
|
||
|
|
|
||
|
|
while p.poll() is None:
|
||
|
|
nextline = p.stdout.readline()
|
||
|
|
if os.name == 'nt' and sys.version_info < (3, 0):
|
||
|
|
nextline = nextline.decode('windows-1252')
|
||
|
|
elif os.name == 'posix' and sys.version_info < (3, 0):
|
||
|
|
nextline = nextline.decode('utf-8')
|
||
|
|
log.debug(nextline.strip('\r\n'))
|
||
|
|
# parse progress string from calibre-converter
|
||
|
|
progress = re.search(r"(\d+)%\s.*", nextline)
|
||
|
|
if progress:
|
||
|
|
self.progress = int(progress.group(1)) / 100
|
||
|
|
|
||
|
|
# process returncode
|
||
|
|
check = p.returncode
|
||
|
|
calibre_traceback = p.stderr.readlines()
|
||
|
|
error_message = ""
|
||
|
|
for ele in calibre_traceback:
|
||
|
|
if sys.version_info < (3, 0):
|
||
|
|
ele = ele.decode('utf-8')
|
||
|
|
log.debug(ele.strip('\n'))
|
||
|
|
if not ele.startswith('Traceback') and not ele.startswith(' File'):
|
||
|
|
error_message = "Calibre failed with error: %s" % ele.strip('\n')
|
||
|
|
return check, error_message
|
||
|
|
|
||
|
|
@property
|
||
|
|
def name(self):
|
||
|
|
return "Convert"
|