gistfile1.pyw

import urllib2
import json
import re
response = urllib2.urlopen('http://api.embed.ly/v1/api/services/python')
services = json.loads(response.read())
url = 'http://soundcloud.com/dociler/dociler-futuricity'
for service in services:
  for regex in service['regex']:
    if re.match(regex, url):
      print "Matched %s to %s" % (url, service['displayname'])
        break

gistfile2.js

{
  "name": "soundcloud",
  "type": "audio"
  "displayname": "SoundCloud",
  "domain": "soundcloud.com",
  "subdomains": [],
  "favicon": "http://c1611152.cdn.cloudfiles.rackspacecloud.com/soundcloud.ico",
  "regex": ["http://soundcloud.com/*", 
            "http://soundcloud.com/*/*",
            "http://soundcloud.com/*/sets/*",
            "http://soundcloud.com/groups/*"],
  "about": "SoundCloud lets you move music fast & easy. The platform
  takes the daily hassle out of receiving, sending & distributing music
  for artists, record labels & other music professionals.",
}

gistfile3.js

"regex": ["http://soundcloud\\.com/.*",
  "http://soundcloud\\.com/.*/.*",
  "http://soundcloud\\.com/.*/sets/.*",
  "http://soundcloud\\.com/groups/.*"
]

gistfile4.pyw

import memcache
cache = memcache.client(['127.0.0.1:11211'])
result = cache.get('embedly_services')
if result is None:
   result = urllib2.urlopen('http://api.embed.ly/v1/api/services/python').read()
   cache.get('embedly_services', result, 60*60*24)
services = json.loads(result)

gistfile5.pyw

params = {'url' : 'http://soundcloud.com/dociler/dociler-futuricity',
         'maxwidth' : 600,
         'format' : 'json'}
fetch_url = 'http://api.embed.ly/v1/api/oembed?%s' % urllib.urlencode(params)
try:
  result = urllib2.urlopen(fetch_url).read()
except:
  return None
oembed = json.loads(result)

gistfile6.pyw

if oembed is None or oembed['type'] == 'link':
  return None
elif oembed['type'] in ['video', 'rich']:
  return '<div class="embed">%s</div>' % oembed['html']
elif oembed['type'] == 'photo':
  return '<div class="embed"><a href="%s" title="%s"><img src="%s"></img></a></div>'% (url,oembed.get('title', ''), oembed['url'])

gistfile7.pyw

import re
def replace(matchobj):
   url = matchobj.groupdict().get('url', matchobj.groupdict().get('url_or_title', None))
bbcode_url_re = re.compile('\[url(|\=(?P<url>.*?))\](?P<url_or_title>.*?)\[/url]')
bbcode_url_re.sub(replace, text, re.M )