Fixed handling of date_modified for Catalina, issue #247

tests/test_modified_date_catalina_10_15_7.py

@@ -0,0 +1,35 @@
+import pytest
+
+PHOTOS_DB = "./tests/Test-10.15.7.photoslibrary/database/photos.db"
+
+UUID_DICT = {
+    "modified": "E9BC5C36-7CD1-40A1-A72B-8B8FAC227D51",
+    "not_modified": "D05A5FE3-15FB-49A1-A15D-AB3DA6F8B068",
+}
+
+
+def test_modified():
+    import datetime
+    import osxphotos
+
+    photosdb = osxphotos.PhotosDB(dbfile=PHOTOS_DB)
+    photos = photosdb.photos(uuid=[UUID_DICT["modified"]])
+    assert photos[0].date_modified is not None
+    assert photos[0].date_modified == datetime.datetime(
+        2019,
+        7,
+        27,
+        17,
+        33,
+        28,
+        398138,
+        tzinfo=datetime.timezone(datetime.timedelta(days=-1, seconds=72000)),
+    )
+
+
+def test_not_modified():
+    import osxphotos
+
+    photosdb = osxphotos.PhotosDB(dbfile=PHOTOS_DB)
+    photos = photosdb.photos(uuid=[UUID_DICT["not_modified"]])
+    assert photos[0].date_modified is None