Rename the MAT folder to libmat.

This commit fixes some issues for dump operating
systems who doesn't handle capitalization.

1 files changed, 53 insertions, 0 deletions

diff --git a/libmat/audio.py b/libmat/audio.py
new file mode 100644
index 0000000..dae9d75
--- /dev/null
+++ b/libmat/audio.py
@@ -0,0 +1,53 @@
+''' Care about audio fileformat
+'''
+
+try:
+    from mutagen.flac import FLAC
+    from mutagen.oggvorbis import OggVorbis
+except ImportError:
+    pass
+
+import parser
+import mutagenstripper
+
+
+class MpegAudioStripper(parser.GenericParser):
+    ''' Represent mpeg audio file (mp3, ...)
+    '''
+    def _should_remove(self, field):
+        return field.name in ("id3v1", "id3v2")
+
+
+class OggStripper(mutagenstripper.MutagenStripper):
+    ''' Represent an ogg vorbis file
+    '''
+    def _create_mfile(self):
+        self.mfile = OggVorbis(self.filename)
+
+
+class FlacStripper(mutagenstripper.MutagenStripper):
+    ''' Represent a Flac audio file
+    '''
+    def _create_mfile(self):
+        self.mfile = FLAC(self.filename)
+
+    def remove_all(self):
+        ''' Remove the "metadata" block from the file
+        '''
+        super(FlacStripper, self).remove_all()
+        self.mfile.clear_pictures()
+        self.mfile.save()
+        return True
+
+    def is_clean(self):
+        ''' Check if the "metadata" block is present in the file
+        '''
+        return super(FlacStripper, self).is_clean() and not self.mfile.pictures
+
+    def get_meta(self):
+        ''' Return the content of the metadata block if present
+        '''
+        metadata = super(FlacStripper, self).get_meta()
+        if self.mfile.pictures:
+            metadata['picture:'] = 'yes'
+        return metadata