use exif time for subfolder

[photosort.git] / src / misc.py

diff --git a/src/misc.py b/src/misc.py
index e02b8179d58e79ef90938914c9d630557b0ccb2e..4d39b3382cfcfac732dcbb8a28fbac5bc201b3d2 100644 (file)
--- a/src/misc.py
+++ b/src/misc.py
@@ -1,5 +1,7 @@
+import datetime
 import mimetypes
 import os
+import PIL.Image
 import shutil
 
 def walk_media_files(dir_path):
@@ -9,7 +11,17 @@ def walk_media_files(dir_path):
             if _is_media_file(file_path):
                 yield (f, file_path)
 
-def extract_timestamp(file_path):
+def extract_timestamp(file_path, use_exif=False):
+    if use_exif:
+        try:
+            with PIL.Image.open(file_path) as image:
+                exif = image._getexif()
+                if exif and 36867 in exif:
+                    return int( datetime.datetime
+                                .strptime(exif[36867], '%Y:%m:%d %H:%M:%S')
+                                .timestamp() )
+        except PIL.UnidentifiedImageError:
+            pass
     return os.path.getmtime(file_path)
 
 def find_file(dir_path, file_name, file_size, exclude_dir):