Bug fix for null title, #512

osxphotos/_version.py

@@ -1,3 +1,3 @@
 """ version info """
 
-__version__ = "0.42.78"
+__version__ = "0.42.79"

osxphotos/photoinfo/photoinfo.py

@@ -564,7 +564,12 @@ class PhotoInfo:
     @property
     def title(self):
         """name / title of picture"""
-        return self._info["name"]
+        # if user sets then deletes title, Photos sets it to empty string in DB instead of NULL
+        # in this case, return None so result is the same as if title had never been set (which returns NULL)
+        # issue #512
+        title = self._info["name"]
+        title = None if title == "" else title
+        return title
 
     @property
     def uuid(self):

osxphotos/phototemplate.py

@@ -1004,6 +1004,9 @@ class PhotoTemplate:
         elif self.dirname:
             value = sanitize_dirname(value)
 
+        # ensure no empty strings in value (see #512)
+        value = None if value == "" else value
+
         return [value]
 
     def get_template_value_pathlib(self, field):