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71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2011-2012 Antoine Bertin <diaoulael@gmail.com>
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#
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# This file is part of subliminal.
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#
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# subliminal is free software; you can redistribute it and/or modify it under
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# the terms of the GNU Lesser 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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# subliminal 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 Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with subliminal. If not, see <http://www.gnu.org/licenses/>.
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import re
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from six import string_types, text_type
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from _23 import decode_str
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__all__ = ['get_keywords', 'split_keyword', 'to_unicode']
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def get_keywords(guess):
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"""Retrieve keywords from guessed informations
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:param guess: guessed informations
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:type guess: :class:`guessit.guess.Guess`
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:return: lower case alphanumeric keywords
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:rtype: set
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"""
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keywords = set()
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for k in ['releaseGroup', 'screenSize', 'videoCodec', 'format']:
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if k in guess:
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keywords = keywords | split_keyword(guess[k].lower())
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return keywords
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def split_keyword(keyword):
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"""Split a keyword in multiple ones on any non-alphanumeric character
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:param string keyword: keyword
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:return: keywords
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:rtype: set
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"""
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split = set(re.findall(r'\w+', keyword))
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return split
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def to_unicode(data):
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"""Convert a basestring to unicode
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:param basestring data: data to decode
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:return: data as unicode
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:rtype: unicode
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"""
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if not isinstance(data, string_types):
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raise ValueError('Basestring expected')
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if isinstance(data, text_type):
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return data
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for encoding in ('utf-8', 'latin-1'):
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try:
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return decode_str(data, encoding)
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except UnicodeDecodeError:
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pass
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return decode_str(data, 'utf-8', 'replace')
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