Revert the mediainfo upstreaming

Keep the pymediainfo dependency for later

openlp/core/ui/media/vendor/mediainfoWrapper.py

@@ -20,21 +20,109 @@
 # Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
 ###############################################################################
 """
-The :mod:`~openlp.core.ui.media.mediainfo` module contains code to run mediainfo
-on a media file and obtain information related to the requested media.
+The :mod:`~openlp.core.ui.media.mediainfo` module contains code to run mediainfo on a media file and obtain
+information related to the rwquested media.
 """
-from pymediainfo import MediaInfo
+import json
+import os
 from subprocess import check_output
 
+from bs4 import BeautifulSoup, NavigableString
+
+ENV_DICT = os.environ
+
+
+class Track(object):
+
+    def __getattribute__(self, name):
+        try:
+            return object.__getattribute__(self, name)
+        except:
+            pass
+        return None
+
+    def __init__(self, xml_dom_fragment):
+        self.xml_dom_fragment = xml_dom_fragment
+        self.track_type = xml_dom_fragment.attrs['type']
+        for el in self.xml_dom_fragment.children:
+            if not isinstance(el, NavigableString):
+                node_name = el.name.lower().strip().strip('_')
+                if node_name == 'id':
+                    node_name = 'track_id'
+                node_value = el.string
+                other_node_name = "other_%s" % node_name
+                if getattr(self, node_name) is None:
+                    setattr(self, node_name, node_value)
+                else:
+                    if getattr(self, other_node_name) is None:
+                        setattr(self, other_node_name, [node_value, ])
+                    else:
+                        getattr(self, other_node_name).append(node_value)
+
+        for o in [d for d in self.__dict__.keys() if d.startswith('other_')]:
+            try:
+                primary = o.replace('other_', '')
+                setattr(self, primary, int(getattr(self, primary)))
+            except:
+                for v in getattr(self, o):
+                    try:
+                        current = getattr(self, primary)
+                        setattr(self, primary, int(v))
+                        getattr(self, o).append(current)
+                        break
+                    except:
+                        pass
+
+    def __repr__(self):
+        return "<Track track_id='{0}', track_type='{1}'>".format(self.track_id, self.track_type)
+
+    def to_data(self):
+        data = {}
+        for k, v in self.__dict__.items():
+            if k != 'xml_dom_fragment':
+                data[k] = v
+        return data
+
 
 class MediaInfoWrapper(object):
 
+    def __init__(self, xml):
+        self.xml_dom = xml
+        xml_types = (str,)     # no unicode type in python3
+        if isinstance(xml, xml_types):
+            self.xml_dom = MediaInfoWrapper.parse_xml_data_into_dom(xml)
+
     @staticmethod
-    def parse(filename):
-        if MediaInfo.can_parse():
-            return MediaInfo.parse(filename)
-        else:
-            xml = check_output(['mediainfo', '-f', '--Output=XML', '--Inform=OLDXML', filename])
-            if not xml.startswith(b'<?xml'):
-                xml = check_output(['mediainfo', '-f', '--Output=XML', filename])
-            return MediaInfo(xml.decode("utf-8"))
+    def parse_xml_data_into_dom(xml_data):
+        return BeautifulSoup(xml_data, "xml")
+
+    @staticmethod
+    def parse(filename, environment=ENV_DICT):
+        xml = check_output(['mediainfo', '-f', '--Output=XML', '--Inform=OLDXML', filename])
+        if not xml.startswith(b'<?xml'):
+            xml = check_output(['mediainfo', '-f', '--Output=XML', filename])
+        xml_dom = MediaInfoWrapper.parse_xml_data_into_dom(xml)
+        return MediaInfoWrapper(xml_dom)
+
+    def _populate_tracks(self):
+        if self.xml_dom is None:
+            return
+        for xml_track in self.xml_dom.Mediainfo.File.find_all("track"):
+            self._tracks.append(Track(xml_track))
+
+    @property
+    def tracks(self):
+        if not hasattr(self, "_tracks"):
+            self._tracks = []
+        if len(self._tracks) == 0:
+            self._populate_tracks()
+        return self._tracks
+
+    def to_data(self):
+        data = {'tracks': []}
+        for track in self.tracks:
+            data['tracks'].append(track.to_data())
+        return data
+
+    def to_json(self):
+        return json.dumps(self.to_data())

openlp/plugins/media/mediaplugin.py

@@ -25,7 +25,6 @@ The Media plugin
 import logging
 import re
 
-from pymediainfo import MediaInfo
 from PyQt5 import QtCore
 
 from openlp.core.api.http import register_endpoint
@@ -78,8 +77,8 @@ class MediaPlugin(Plugin):
         :return: true or false
         """
         log.debug('check_installed Mediainfo')
-        # Try to find libmediainfo or mediainfo in the path
-        exists = MediaInfo.can_parse() or process_check_binary(Path('mediainfo'))
+        # Try to find mediainfo in the path
+        exists = process_check_binary(Path('mediainfo'))
         # If mediainfo is not in the path, try to find it in the application folder
         if not exists:
             exists = process_check_binary(AppLocation.get_directory(AppLocation.AppDir) / 'mediainfo')