starting rotate on cave descrip images

core/views/caves.py

@@ -54,12 +54,6 @@ todo = """
   own directory 16xx/NNN/ even if they have no images to put in it.
 """
 
-# def cavepagefwd(request, karea=None, subpath=None):
-    # """archaic, just send to the caves list page
-    # """
-    # return redirect("/caves")
-    
-
 def get_cave_from_slug(caveslug):
     """Needs refactoring
     """

core/views/editor_helpers.py

@@ -92,6 +92,21 @@ def reorient_image(img, exif_dict):
             # print(f"reorient_image():  found ImageIFD.Orientation in 0th ")
             # for ifd in exif_dict:
                 # print(f"reorient_image(): \"{ifd}\"\n    {exif_dict[ifd]} ")
+                
+            # documentation from http://sylvana.net/jpegcrop/exif_orientation.html
+            # for i
+            # do
+             # case `jpegexiforient -n "$i"` in
+             # 1) transform="";;
+             # 2) transform="-flip horizontal";;
+             # 3) transform="-rotate 180";;
+             # 4) transform="-flip vertical";;
+             # 5) transform="-transpose";;
+             # 6) transform="-rotate 90";;
+             # 7) transform="-transverse";;
+             # 8) transform="-rotate 270";;
+             # *) transform="";;
+             # esac                
             orientation = exif_dict["0th"].pop(piexif.ImageIFD.Orientation)
             
             if orientation == 2:
@@ -226,8 +241,10 @@ def extract_gps(dict):
     print(altitude) 
     print(timestamp_utc)
     # location = dms2dd() # to do...
+    rotate_this = f"?to_be_rotated" # this should rotate the i/ and t/ images and then re-render the same page.
+    rotate_button = f"<br /><a href='{rotate_this}'><b>&olarr;</b>&nbsp;</a>rotate this image"
 
-    return f"{direction}<br />{location}<br />{altitude}</br />{timestamp_utc}<br />"
+    return f"{rotate_button}<br />{direction}<br />{location}<br />{altitude}</br />{timestamp_utc}<br />"
 
 def fix_dump_bugs(exif_dict):
     """piexif has several bugs, this gets around it.