Add tagging function for mp3 files

scraper.py

@@ -2,6 +2,10 @@
 # ex: set filetype=python
 
 import argparse
+from mutagen.mp3 import MP3
+from mutagen.easyid3 import EasyID3
+import mutagen.id3
+from mutagen.id3 import ID3, TIT2, TIT3, TALB, TRCK, TYER
 import os
 from shutil importy copyfile
 import xml.etree.cElementTree as xml
@@ -17,6 +21,7 @@ class Track():
         for k, v in zip(it, it):
             setattr(self, k.text.replace(' ', ''), v.text)
 
+
 def parseXml(xml_file):
     """
     Parses an xml file and returns the DOM tree.
@@ -28,7 +33,7 @@ def parseXml(xml_file):
         tracks.append(Track(t))
     return tracks
 
-def copy_file(track, targetFolder):
+def copy_file(track: Track, targetFolder) -> str:
     """
     Copies a track from its source to the destination folder
     """
@@ -41,6 +46,33 @@ def copy_file(track, targetFolder):
         print('File {0} not found.')
     return dst
 
+def tag_file(track: Track, file_name: str):
+    """
+    Adds ID3 tags to a file.
+    """
+    if not file_name.endswith('.mp3'):
+        print('Skipping file {0}. It\'s not an mp3 file.'.format(file_name))
+        return
+
+    print('Tagging file {0}'.format(file_name))
+    mp3file = MP3(file_name, ID3=EasyID3)
+    if hasattr(track,'Album'): mp3file['album'] = track.Album
+    if hasattr(track,'BPM'): mp3file['bpm'] = track.BPM
+    if hasattr(track,'Compilation'): mp3file['compilation'] = 'true'
+    if hasattr(track,'Composer'): mp3file['composer'] = track.Composer
+    if hasattr(track,'TotalTime'): mp3file['length'] = track.TotalTime
+    if hasattr(track,'Name'): mp3file['title'] = track.Name
+    if hasattr(track,'Artist'): mp3file['artist'] = track.Artist
+    if hasattr(track,'AlbumArtist'): mp3file['albumartist'] = track.AlbumArtist
+    if hasattr(track,'DiscNumber'): mp3file['discnumber'] = track.DiscNumber
+    if hasattr(track,'TrackNumber'):
+        if hasattr(track,'TrackCount'):
+            mp3file['tracknumber'] = '{0}/{1}'.format(track.TrackNumber, track.TrackCount)
+        else:
+            mp3file['tracknumber'] = track.TrackNumber
+    if hasattr(track,'Genre'): mp3file['genre'] = track.Genre
+    mp3file.save()
+
 
 def main():
     """
@@ -63,6 +95,7 @@ def main():
 
     for t in tracks:
         new_file = copy_file(t, args.target)
+        tag_file(t, new_file)
 
 if __name__ == "__main__":
     main()