From d15281357553c1fe81f4408d44ade249fa1dcdd9 Mon Sep 17 00:00:00 2001
From: Alexander Schmidt <alex@treefish.org>
Date: Fri, 16 Oct 2020 14:29:26 +0200
Subject: [PATCH] use exif time for subfolder

---
 src/misc.py      | 14 +++++++++++++-
 src/photosort.py |  5 +++--
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/misc.py b/src/misc.py
index e02b817..4d39b33 100644
--- 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):
diff --git a/src/photosort.py b/src/photosort.py
index 3124eae..09f55d7 100755
--- a/src/photosort.py
+++ b/src/photosort.py
@@ -24,10 +24,10 @@ logging.basicConfig(format='[%(asctime)s] %(levelname)s: %(message)s',
 for src_file_name, src_file_path in misc.walk_media_files(args.SOURCE_DIR):
     logging.info('Processing %s...', src_file_name)
 
-    src_time = misc.extract_timestamp(src_file_path)
+    exif_time = misc.extract_timestamp(src_file_path, use_exif=True)
 
     dst_dir = os.path.join(args.DEST_DIR,
-                           datetime.datetime.fromtimestamp(src_time).strftime("%Y/%m"))
+                           datetime.datetime.fromtimestamp(exif_time).strftime("%Y/%m"))
     dst_file_path = os.path.join(dst_dir, src_file_name)
 
     if not os.path.exists(dst_file_path):
@@ -44,6 +44,7 @@ for src_file_name, src_file_path in misc.walk_media_files(args.SOURCE_DIR):
             os.makedirs(dst_dir)
         misc.import_file(src_file_path, dst_file_path, move=args.cleanup)
     else:
+        src_time = misc.extract_timestamp(src_file_path)
         dst_time = misc.extract_timestamp(dst_file_path)
         if src_time > dst_time:
             misc.import_file(src_file_path, dst_file_path, move=args.cleanup)
-- 
2.39.5