In order to fix the reoccuring issue that OpenID users have to add several different OpenID variations, we'll save the usual variations now in different digest fields -> should ease the pain a lot

ivatar/utils.py

@@ -11,3 +11,25 @@ def random_string(length=10):
     '''
     return ''.join(random.SystemRandom().choice(
         string.ascii_lowercase + string.digits) for _ in range(length))
+
+
+def openid_variations(openid):
+    '''
+    Return the various OpenID variations, ALWAYS in the same order:
+    - http w/ trailing slash
+    - http w/o trailing slash
+    - https w/ trailing slash
+    - https w/o trailing slash
+    '''
+
+    # Make the 'base' version: http w/ trailing slash
+    if openid.startswith('https://'):
+        openid = openid.replace('https://', 'http://')
+    if openid[-1] != '/':
+        openid = openid + '/'
+
+    # http w/o trailing slash
+    var1 = openid[0:-1]
+    var2 = openid.replace('http://', 'https://')
+    var3 = var2[0:-1]
+    return (openid, var1, var2, var3)