.

__main__.py

@@ -0,0 +1,55 @@
+import sys
+from pathlib import Path
+import json
+import shutil
+
+import piexif
+from PIL import Image
+from datetime import datetime
+
+
+def assign(input_dir: Path, output_dir: Path):
+
+    album = input_dir / "your_facebook_activity" / "posts" / "album"
+
+    for json_file in album.glob("*.json"):
+        print(json_file)
+        with open(json_file, "r") as f:
+            data = json.load(f)
+        for e in data["photos"]:
+            uri = e["uri"]
+            if not uri.endswith(".jpg"):
+                continue
+            taken_timestamp = (
+                e.get("media_metadata", {})
+                .get("photo_metadata", {})
+                .get("exif_data", [{}])[0]
+                .get("taken_timestamp", None)
+            )
+            creation_timestamp = e.get("creation_timestamp", None)
+
+            if taken_timestamp:
+                epoch = taken_timestamp
+            elif creation_timestamp:
+                epoch = creation_timestamp
+            else:
+                assert False
+            exif_date = datetime.utcfromtimestamp(epoch).strftime("%Y:%m:%d %H:%M:%S")
+
+            # print(uri, taken_timestamp, creation_timestamp)
+
+            output_path = output_dir / Path("/".join(Path(uri).parts[-2:]))
+
+            output_path.parent.mkdir(parents=True, exist_ok=True)
+            shutil.copy(input_dir / uri, output_path)
+
+            exif_dict = {
+                "0th": {},
+                "Exif": {piexif.ExifIFD.DateTimeOriginal: exif_date},
+            }
+            print(f"{output_path} @ {exif_date}")
+            piexif.insert(piexif.dump(exif_dict), str(output_path))
+
+
+if __name__ == "__main__":
+    assign(Path(sys.argv[1]), Path("out"))