fix for collector #2276. Absolute URLs confused the regex for handling

:img:

lib/python/StructuredText/DocumentWithImages.py

@@ -108,30 +108,34 @@ class DocumentWithImages(DocumentClass):
         expr2=re.compile('\"([ _a-zA-Z0-9*.:/;,\-\n\~]+)\":img:([a-zA-Z0-9\-.:/;,\n\~]+):([a-zA-Z0-9\-.:/;,\n\~]+)').search
         ):
 
-        # Warning: the regex are getting confused when the string after :img:
-        # is an URL containing ":" (Collector #2276)
+        r = expr2(s)
+        if r:
 
+            # Warning: the regex are getting confused when the string after :img:
+            # is an URL containing ":" (Collector #2276)
+            # Ugly workaround: check if have an absolute URL here. Not a cool solution,
+            # but it works !
 
-        r = expr2(s)
+            if not r.group(2) in ['http','file','ftp']:
+
+                 startt, endt = r.span(1)
+                 startk, endk = r.span(2)
+                 starth, endh = r.span(3)
+                 start, end = r.span()
+    
+                 key = s[startk:endk]
+            
+                 return (StructuredTextImage(s[startt:endt], href=s[starth:endh], key=s[startk:endk]), 
+                      start, end)
+
+            
+        r=expr1(s)
         if r:
             startt, endt = r.span(1)
-            startk, endk = r.span(2)
-            starth, endh = r.span(3)
+            starth, endh = r.span(2)
             start, end = r.span()
-            return (StructuredTextImage(s[startt:endt], href=s[starth:endh], key=s[startk:endk]), 
+            return (StructuredTextImage(s[startt:endt], href=s[starth:endh]),
                     start, end)
 
-      
-        else:
-            
-            r=expr1(s)
-
-            if r:
-                startt, endt = r.span(1)
-                starth, endh = r.span(2)
-                start, end = r.span()
-                return (StructuredTextImage(s[startt:endt], href=s[starth:endh]),
-                        start, end)
-
-            return None
+        return None