added created.dow (day of week) to template

osxphotos/datetime_formatter.py

@@ -50,7 +50,13 @@ class DateTimeFormatter:
         """ 2-digit day of the month """
         dd = f"{self.dt.strftime('%d')}"
         return dd
-        
+
+    @property
+    def dow(self):
+        """ Day of week as locale's name """
+        dow = f"{self.dt.strftime('%A')}"
+        return dow
+
     @property
     def doy(self):
         """ Julian day of year starting from 001 """

osxphotos/photoinfo/photoinfo.py

@@ -839,6 +839,9 @@ class PhotoInfo:
         if lookup == "created.dd":
             return DateTimeFormatter(self.date).dd
 
+        if lookup == "created.dow":
+            return DateTimeFormatter(self.date).dow
+
         if lookup == "created.doy":
             return DateTimeFormatter(self.date).doy
 

osxphotos/photoinfo/template.py

@@ -27,6 +27,7 @@ TEMPLATE_SUBSTITUTIONS = {
     "{created.month}": "Month name in user's locale of the file creation time",
     "{created.mon}": "Month abbreviation in the user's locale of the file creation time",
     "{created.dd}": "2-digit day of the month (zero padded) of file creation time",
+    "{created.dow}": "Day of week in user's locale of the file creation time",
     "{created.doy}": "3-digit day of year (e.g Julian day) of file creation time, starting from 1 (zero padded)",
     "{modified.date}": "Photo's modification date in ISO format, e.g. '2020-03-22'",
     "{modified.year}": "4-digit year of file modification time",