forked from openlp/openlp
Use upstream pymediainfo
Current pymediainfo versions load a DLL/so. Use a very thin wrapper to make sure that the executable is used if the DLL is not available.
This commit is contained in:
Bastian Germann
parent
4784cdf152
commit
d1e1975394
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@ -1,135 +1,39 @@
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# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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# The MIT License
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#
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# Copyright (c) 2010-2014, Patrick Altman <paltman@gmail.com>
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# Copyright (c) 2016-2018, OpenLP Developers
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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# http://www.opensource.org/licenses/mit-license.php
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2018 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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The :mod:`~openlp.core.ui.media.mediainfo` module contains code to run mediainfo
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on a media file and obtain information related to the requested media.
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"""
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import json
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import os
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from pymediainfo import MediaInfo
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from subprocess import check_output
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from bs4 import BeautifulSoup, NavigableString
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ENV_DICT = os.environ
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class Track(object):
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def __getattribute__(self, name):
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try:
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return object.__getattribute__(self, name)
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except:
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pass
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return None
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def __init__(self, xml_dom_fragment):
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self.xml_dom_fragment = xml_dom_fragment
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self.track_type = xml_dom_fragment.attrs['type']
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for el in self.xml_dom_fragment.children:
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if not isinstance(el, NavigableString):
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node_name = el.name.lower().strip().strip('_')
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if node_name == 'id':
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node_name = 'track_id'
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node_value = el.string
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other_node_name = "other_%s" % node_name
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if getattr(self, node_name) is None:
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setattr(self, node_name, node_value)
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else:
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if getattr(self, other_node_name) is None:
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setattr(self, other_node_name, [node_value, ])
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else:
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getattr(self, other_node_name).append(node_value)
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for o in [d for d in self.__dict__.keys() if d.startswith('other_')]:
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try:
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primary = o.replace('other_', '')
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setattr(self, primary, int(getattr(self, primary)))
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except:
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for v in getattr(self, o):
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try:
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current = getattr(self, primary)
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setattr(self, primary, int(v))
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getattr(self, o).append(current)
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break
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except:
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pass
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def __repr__(self):
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return "<Track track_id='{0}', track_type='{1}'>".format(self.track_id, self.track_type)
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def to_data(self):
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data = {}
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for k, v in self.__dict__.items():
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if k != 'xml_dom_fragment':
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data[k] = v
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return data
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class MediaInfoWrapper(object):
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def __init__(self, xml):
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self.xml_dom = xml
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xml_types = (str,) # no unicode type in python3
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if isinstance(xml, xml_types):
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self.xml_dom = MediaInfoWrapper.parse_xml_data_into_dom(xml)
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@staticmethod
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def parse_xml_data_into_dom(xml_data):
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return BeautifulSoup(xml_data, "xml")
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@staticmethod
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def parse(filename, environment=ENV_DICT):
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xml = check_output(['mediainfo', '-f', '--Output=XML', '--Inform=OLDXML', filename])
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if not xml.startswith(b'<?xml'):
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xml = check_output(['mediainfo', '-f', '--Output=XML', filename])
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xml_dom = MediaInfoWrapper.parse_xml_data_into_dom(xml)
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return MediaInfoWrapper(xml_dom)
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def _populate_tracks(self):
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if self.xml_dom is None:
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return
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for xml_track in self.xml_dom.Mediainfo.File.find_all("track"):
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self._tracks.append(Track(xml_track))
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@property
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def tracks(self):
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if not hasattr(self, "_tracks"):
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self._tracks = []
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if len(self._tracks) == 0:
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self._populate_tracks()
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return self._tracks
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def to_data(self):
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data = {'tracks': []}
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for track in self.tracks:
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data['tracks'].append(track.to_data())
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return data
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def to_json(self):
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return json.dumps(self.to_data())
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def parse(filename):
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if MediaInfo.can_parse():
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return MediaInfo.parse(filename)
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else:
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xml = check_output(['mediainfo', '-f', '--Output=XML', '--Inform=OLDXML', filename])
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if not xml.startswith(b'<?xml'):
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xml = check_output(['mediainfo', '-f', '--Output=XML', filename])
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return MediaInfo(xml)
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@ -78,6 +78,7 @@ MODULES = [
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'PyQt5.QtTest',
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'PyQt5.QtWebKit',
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'PyQt5.QtMultimedia',
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'pymediainfo',
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'sqlalchemy',
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'alembic',
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'sqlite3',
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