gh-89 Reapply album to video when updating EXIF via avmetareadwrite

Add failing test for when setting album then title reverts album

elodie/media/media.py

@@ -43,8 +43,7 @@ class Media(object):
             'longitude': 'Exif.GPSInfo.GPSLongitude',
             'longitude_ref': 'Exif.GPSInfo.GPSLongitudeRef',
         }
-        self.exiftool_attributes = None
-        self.metadata = None
+        self.reset_cache()
 
     def get_album(self):
         """Get album from EXIF
@@ -211,6 +210,10 @@ class Media(object):
 
         return exiftool_attributes['title']
 
+    def reset_cache(self):
+        self.exiftool_attributes = None
+        self.metadata = None
+
     def set_album(self, name):
         """Set album for a photo
 
@@ -247,6 +250,7 @@ class Media(object):
             os.remove(exiftool_backup_file)
 
         self.set_metadata(album=name)
+        self.reset_cache()
         return True
 
     def set_album_from_folder(self):

elodie/media/photo.py

@@ -160,6 +160,7 @@ class Photo(Media):
                 exif_metadata[key] = pyexiv2.ExifTag(key, time)
 
         exif_metadata.write()
+        self.reset_cache()
         return True
 
     def set_location(self, latitude, longitude):
@@ -182,6 +183,7 @@ class Photo(Media):
         exif_metadata['Exif.GPSInfo.GPSLongitudeRef'] = pyexiv2.ExifTag('Exif.GPSInfo.GPSLongitudeRef', 'E' if longitude >= 0 else 'W')  # noqa
 
         exif_metadata.write()
+        self.reset_cache()
         return True
 
     def set_title(self, title):
@@ -200,4 +202,5 @@ class Photo(Media):
         exif_metadata['Xmp.dc.title'] = title
 
         exif_metadata.write()
+        self.reset_cache()
         return True

elodie/media/video.py

@@ -196,6 +196,7 @@ class Video(Media):
                 )
             )
 
+        self.reset_cache()
         return result
 
     def set_location(self, latitude, longitude):
@@ -210,6 +211,7 @@ class Video(Media):
             return False
 
         result = self.__update_using_plist(latitude=latitude, longitude=longitude)  # noqa
+        self.reset_cache()
         return result
 
     def set_title(self, title):
@@ -222,6 +224,7 @@ class Video(Media):
             return False
 
         result = self.__update_using_plist(title=title)
+        self.reset_cache()
         return result
 
     def __update_using_plist(self, **kwargs):
@@ -390,6 +393,13 @@ class Video(Media):
                 if(constants.debug is True):
                     print 'Something went wrong updating video metadata'
                 return False
+            
+            # gh-89 Before we wrap up we check if an album was previously set
+            #   and if so we re-apply that album because avmetareadwrite clobbers it
+            source_media = Media.get_class_by_file(source, [self.__class__])
+            source_metadata = source_media.get_metadata()
+            if('album' in source_metadata and source_metadata['album'] is not None):
+                check_media.set_album(source_metadata['album'])
 
             # Copy file information from original source to temporary file
             #   before copying back over

elodie/tests/filesystem_test.py

@@ -339,3 +339,34 @@ def test_process_file_with_album_and_title_and_location():
     assert origin_checksum is not None, origin_checksum
     assert origin_checksum == destination_checksum, destination_checksum
     assert helper.path_tz_fix(os.path.join('2015-12-Dec','Test Album','2015-12-05_00-59-26-photo-some-title.jpg')) in destination, destination
+
+# gh-89 (setting album then title reverts album)
+def test_process_video_with_album_then_title():
+    if not can_edit_exif():
+        raise SkipTest('avmetareadwrite executable not found')
+
+    filesystem = FileSystem()
+    temporary_folder, folder = helper.create_working_folder()
+
+    origin = os.path.join(folder,'movie.mov')
+    shutil.copyfile(helper.get_file('video.mov'), origin)
+
+    origin_checksum = helper.checksum(origin)
+
+    media = Video(origin)
+    media.set_album('test_album')
+    media.set_title('test_title')
+    destination = filesystem.process_file(origin, temporary_folder, media, allowDuplicate=True)
+
+    destination_checksum = helper.checksum(destination)
+
+    shutil.rmtree(folder)
+    shutil.rmtree(os.path.dirname(os.path.dirname(destination)))
+
+    assert origin_checksum is not None, origin_checksum
+    assert origin_checksum != destination_checksum, destination_checksum
+    assert helper.path_tz_fix(os.path.join('2015-01-Jan','test_album','2015-01-19_12-45-11-movie-test_title.mov')) in destination, destination
+
+def can_edit_exif():
+    video = Video()
+    return video.get_avmetareadwrite()