64 lines
2.4 KiB
Python
64 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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# enzyme - Video metadata parser
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# Copyright 2011-2012 Antoine Bertin <diaoulael@gmail.com>
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# Copyright 2003-2006 Thomas Schueppel <stain@acm.org>
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# Copyright 2003-2006 Dirk Meyer <dischi@freevo.org>
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#
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# This file is part of enzyme.
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#
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# enzyme is free software; you can redistribute it and/or modify it under
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# 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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# enzyme 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 enzyme. If not, see <http://www.gnu.org/licenses/>.
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import mimetypes
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import os
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import sys
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from exceptions import *
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PARSERS = [('asf', ['video/asf'], ['asf', 'wmv', 'wma']),
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('flv', ['video/flv'], ['flv']),
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('mkv', ['video/x-matroska', 'application/mkv'], ['mkv', 'mka', 'webm']),
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('mp4', ['video/quicktime', 'video/mp4'], ['mov', 'qt', 'mp4', 'mp4a', '3gp', '3gp2', '3g2', 'mk2']),
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('mpeg', ['video/mpeg'], ['mpeg', 'mpg', 'mp4', 'ts']),
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('ogm', ['application/ogg'], ['ogm', 'ogg', 'ogv']),
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('real', ['video/real'], ['rm', 'ra', 'ram']),
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('riff', ['video/avi'], ['wav', 'avi'])
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]
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def parse(path):
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"""Parse metadata of the given video
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:param string path: path to the video file to parse
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:return: a parser corresponding to the video's mimetype or extension
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:rtype: :class:`~enzyme.core.AVContainer`
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"""
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if not os.path.isfile(path):
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raise ValueError('Invalid path')
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extension = os.path.splitext(path)[1][1:]
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mimetype = mimetypes.guess_type(path)[0]
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parser_ext = None
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parser_mime = None
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for (parser_name, parser_mimetypes, parser_extensions) in PARSERS:
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if mimetype in parser_mimetypes:
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parser_mime = parser_name
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if extension in parser_extensions:
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parser_ext = parser_name
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parser = parser_mime or parser_ext
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if not parser:
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raise NoParserError()
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mod = __import__(parser, globals=globals(), locals=locals(), fromlist=[], level=-1)
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with open(path, 'rb') as f:
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p = mod.Parser(f)
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return p
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