frontends (tools): addURLToImage makes an image clickable

frontends/src/tools/strings.py

@@ -54,3 +54,12 @@ def addURLToText(string):
         return '<a href="%s" target="_blank" class="url">%s</a>' % (url, match.group(0))
     pattern = r"""(?i)\b((?:[a-z]{3,}://|(www|ftp)\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/|mailto:|xmpp:)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?]))"""
     return re.sub(pattern, repl, string)
+
+
+def addURLToImage(string):
+    """Check a XHTML text for what looks like an imageURL and make it clickable"""
+    def repl(match):
+        url = match.group(1)
+        return '<a href="%s" target="_blank">%s</a>' % (url, match.group(0))
+    pattern = r"""<img[^>]* src="([^"]+)"[^>]*>"""
+    return re.sub(pattern, repl, string)