mirror of
https://github.com/janeczku/calibre-web.git
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58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
# -*- 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) 2016-2019 Ben Bennett, OzzieIsaacs
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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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from __future__ import division, print_function, unicode_literals
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import os
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import re
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from flask_babel import gettext as _
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from . import config, logger
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from .subproc_wrapper import process_wait
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log = logger.create()
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# _() necessary to make babel aware of string for translation
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_NOT_CONFIGURED = _('not configured')
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_NOT_INSTALLED = 'not installed'
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_EXECUTION_ERROR = 'Execution permissions missing'
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def _get_command_version(path, pattern, argument=None):
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if os.path.exists(path):
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command = [path]
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if argument:
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command.append(argument)
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try:
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for line in process_wait(command):
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if re.search(pattern, line):
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return line
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except Exception as ex:
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log.warning("%s: %s", path, ex)
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return _EXECUTION_ERROR
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return _NOT_INSTALLED
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def get_version():
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version = None
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if config.config_ebookconverter == 1:
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version = _get_command_version(config.config_converterpath, r'Amazon kindlegen\(')
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elif config.config_ebookconverter == 2:
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version = _get_command_version(config.config_converterpath, r'ebook-convert.*\(calibre', '--version')
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return version or _NOT_CONFIGURED
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