Use original name from EXIF instead of parsing assumed file name format. #107 (#202)

elodie/filesystem.py

@@ -111,18 +111,24 @@ class FileSystem(object):
         if(metadata is None):
             return None
 
-        # If the file has EXIF title we use that in the file name
-        #   (i.e. my-favorite-photo-img_1234.jpg)
-        # We want to remove the date prefix we add to the name.
-        # This helps when re-running the program on file which were already
-        #   processed.
-        base_name = re.sub(
-            '^\d{4}-\d{2}-\d{2}_\d{2}-\d{2}-\d{2}-',
-            '',
-            metadata['base_name']
-        )
-        if(len(base_name) == 0):
-            base_name = metadata['base_name']
+        # First we check if we have metadata['original_name'].
+        # We have to do this for backwards compatibility because
+        #   we original did not store this back into EXIF.
+        if(metadata['original_name'] is not None):
+            base_name = os.path.splitext(metadata['original_name'])[0]
+        else:
+            # If the file has EXIF title we use that in the file name
+            #   (i.e. my-favorite-photo-img_1234.jpg)
+            # We want to remove the date prefix we add to the name.
+            # This helps when re-running the program on file which were already
+            #   processed.
+            base_name = re.sub(
+                '^\d{4}-\d{2}-\d{2}_\d{2}-\d{2}-\d{2}-',
+                '',
+                metadata['base_name']
+            )
+            if(len(base_name) == 0):
+                base_name = metadata['base_name']
 
         if(
             'title' in metadata and

elodie/tests/filesystem_test.py

@@ -191,6 +191,20 @@ def test_get_file_name_with_title():
 
     assert file_name == helper.path_tz_fix('2015-12-05_00-59-26-with-title-some-title.jpg'), file_name
 
+def test_get_file_name_with_original_name_exif():
+    filesystem = FileSystem()
+    media = Photo(helper.get_file('with-filename-in-exif.jpg'))
+    file_name = filesystem.get_file_name(media)
+
+    assert file_name == helper.path_tz_fix('2015-12-05_00-59-26-foobar.jpg'), file_name
+
+def test_get_file_name_with_original_name_title_exif():
+    filesystem = FileSystem()
+    media = Photo(helper.get_file('with-filename-and-title-in-exif.jpg'))
+    file_name = filesystem.get_file_name(media)
+
+    assert file_name == helper.path_tz_fix('2015-12-05_00-59-26-foobar-foobar-title.jpg'), file_name
+
 def test_get_folder_path_plain():
     filesystem = FileSystem()
     media = Photo(helper.get_file('plain.jpg'))