From 5f59378f8624a85933d8c2ec2258393bfffa5fd6 Mon Sep 17 00:00:00 2001
From: souliane <souliane@mailoo.org>
Date: Thu, 13 Feb 2014 15:35:21 +0100
Subject: [PATCH] frontends (tools): addURLToImage makes an image clickable

---
 frontends/src/tools/strings.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/frontends/src/tools/strings.py b/frontends/src/tools/strings.py
index 6a1921a5..a244026a 100644
--- a/frontends/src/tools/strings.py
+++ b/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)