gluon/contrib/autolinks.py

VERSION

@@ -1 +1 @@
-Version 1.99.7 (2012-05-02 21:56:49) dev
+Version 1.99.7 (2012-05-03 10:03:56) dev

gluon/contrib/autolinks.py

@@ -0,0 +1,82 @@
+import re, cgi, sys
+from simplejson import loads
+import BeautifulSoup
+import urllib
+
+MAPS = [
+    (re.compile('http://\S*?flickr.com/\S*'),
+     'http://www.flickr.com/services/oembed/'),
+    (re.compile('http://\S*.youtu(\.be|be\.com)/watch\S*'),
+     'http://www.youtube.com/oembed'),
+    (re.compile('http://www.hulu.com/watch/\S*'),
+     'http://www.hulu.com/api/oembed.json'),
+    (re.compile('http://vimeo.com/\S*'),
+     'http://vimeo.com/api/oembed.json'),
+    (re.compile('http://www.slideshare.net/[^\/]+/\S*'), 
+     'http://www.slideshare.net/api/oembed/2'),
+    (re.compile('http://qik.com/\S*'),
+     'http://qik.com/api/oembed.json'),
+    (re.compile('http://www.polleverywhere.com/\w+/\S+'),
+     'http://www.polleverywhere.com/services/oembed/'),
+    (re.compile('http://www.slideshare.net/\w+/\S+'),
+     'http://www.slideshare.net/api/oembed/2'),
+    (re.compile('http://\S+.wordpress.com/\S+'),
+     'http://public-api.wordpress.com/oembed/'),
+    (re.compile('http://*.revision3.com/\S+'),
+     'http://revision3.com/api/oembed/'),
+    (re.compile('http://www.slideshare.net/\w+/\S+'),
+     'http://api.smugmug.com/services/oembed/'),
+    (re.compile('http://\S+.viddler.com/\S+'),
+     'http://lab.viddler.com/services/oembed/'),
+    ]
+
+regex_link = re.compile('https?://\S+')
+
+def oembed(url):
+    for k,v in MAPS:
+        if k.match(url):
+            oembed = v+'?format=json&url='+cgi.escape(url)
+            try:
+                return loads(urllib.urlopen(oembed).read())
+            except: pass
+    return {}
+
+def expand_one(url,cdict):
+    if cdict and url in cdict:
+        r = cdict[url]
+    elif cdict:
+        r = cdict[url] = oembed(url)
+    else:
+        r = oembed(url)
+    if 'html' in r:
+        return '<embed>%s</embed>' % r['html']
+    return '<a href="%(u)s">%(u)s</a>' % dict(u=url)
+
+def expand_all(html,cdict=None):
+    soup = BeautifulSoup.BeautifulSoup(html)
+    for txt in soup.findAll(text=True):
+        if txt.parent.name != 'a':
+            ntxt = regex_link.sub(
+                lambda match: expand_one(match.group(0),cdict), txt)
+            txt.replaceWith(ntxt)
+    return str(soup)
+
+
+def test():
+    example="""
+<h3>Fringilla nisi parturient nullam</h3>
+<p>http://www.youtube.com/watch?v=IWBFiI5RrA0</p>
+<p>Elementum sodales est varius magna leo sociis erat. Nascetur pretium non
+ultricies gravida. Condimentum at nascetur tempus. Porttitor viverra ipsum
+accumsan neque aliquet. Ultrices vestibulum tempor quisque eget sem eget.
+Ornare malesuada tempus dolor dolor magna consectetur. Nisl dui non curabitur
+laoreet tortor.</p>
+"""
+    return expand_all(example)
+
+
+if __name__=="__main__":
+    if len(sys.argv)>1:
+        print expand_all(open(sys.argv[1]).read())
+    else:
+        print test()