fix latitude bugs

core/views/editor_helpers.py

@@ -147,6 +147,8 @@ def extract_gps(dict):
         s = rational(sf)
         return (d, m, s)
 
+    latitude = ""
+    longitude = ""
     compass_points = ["N", "NE", "E", "SE", "S", "SW", "W", "NW", "N"]
     if bearing := extract("GPSImgDirection"):
         compass_lookup = round(bearing / 45)
@@ -210,16 +212,20 @@ def extract_gps(dict):
         longitude = dms2dd(d, m, s, lonref) 
         print(f"{longitude=}")
     else:
-        print("failed to find latitude")
+        print("failed to find longitude")
 
-    location = f'<a href="https://www.openstreetmap.org/?mlat={latitude}&mlon={longitude}">{latitude:09.6f} {latref}, {longitude:010.6f} {lonref}</a>'
-    # 3 digits for longitude (0-359) or +/-(0-180), 2 for latitude +/-(0-90)
-    # we might want to rectify longitude to be always +(0-359)?
+    if latitude and longitude:
+        # 3 digits for longitude (0-359) or +/-(0-180), 2 for latitude +/-(0-90)
+        # we might want to rectify longitude to be always +(0-359) not +/- 180 ?
+        location = f'<a href="https://www.openstreetmap.org/?mlat={latitude}&mlon={longitude}">{latitude:09.6f} {latref}, {longitude:010.6f} {lonref}</a>'
+        print(location)
+    else:
+        location = ""
+    
     print(direction)
     print(altitude) 
     print(timestamp_utc)
     # location = dms2dd() # to do...
-    print(location)
 
     return f"{direction}<br />{location}<br />{altitude}</br />{timestamp_utc}<br />"
 
@@ -434,10 +440,7 @@ def save_original_in_expofiles(f, year, photographer, host, handbook_directory,
     will catch photos uploaded directly from phones which otherwise never
     get recorded properly in original format.
     
-    Django does small files <2.5 MB in memory, which is a pain, as we can't simply move them.
-    
-    to do: also store a *.url file with the image file saying where it is used in the handbook.
-    
+    Django does small files <2.5 MB in memory, which is a pain, as we can't simply move them.    
     """
     if photographer:
         photographer = photographer.strip().replace(" ","")