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parallel-library/cps/converter.py

60 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
# Copyright (C) 2016-2019 Ben Bennett, OzzieIsaacs
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import division, print_function, unicode_literals
import os
import re
from flask_babel import gettext as _
from . import config, logger
from .subproc_wrapper import process_wait
log = logger.create()
# _() necessary to make babel aware of string for translation
_NOT_CONFIGURED = _('not configured')
_NOT_INSTALLED = _('not installed')
_EXECUTION_ERROR = _('Execution permissions missing')
def _get_command_version(path, pattern, argument=None):
if os.path.exists(path):
command = [path]
if argument:
command.append(argument)
try:
for line in process_wait(command):
if re.search(pattern, line):
return line
except Exception as ex:
log.warning("%s: %s", path, ex)
return _EXECUTION_ERROR
return _NOT_INSTALLED
def get_calibre_version():
# version = None
# if config.config_ebookconverter == 2:
return _get_command_version(config.config_converterpath, r'ebook-convert.*\(calibre', '--version') \
or _NOT_CONFIGURED
def get_unrar_version():
return _get_command_version(config.config_rarfile_location, r'UNRAR.*\d') or _NOT_CONFIGURED