ScraperWiki - oEmbed provider API (my first Python!) -- https://scraperwiki.com/views/scraperwiki_oembed_v1

scraperwiki_oembed_v1.provider.py

import scraperwiki

"""
 ScraperWiki oEmbed provider API, v1

 Copyright 2013-01-16 Nick Freear. All rights reserved.
 License:  GNU General Public License <http://gnu.org/licenses/gpl-3.0.html>

 Usage:
 https://views.scraperwiki.com/run/scraperwiki_oembed_v1/?callback=_jsonp12&format=json&url=https%3A//views.scraperwiki.com/run/cloudworks_mindmap/%3FcloudscapeID=2451
 Source:  <https://gist.github.com/4551718>
"""
 
import os, cgi, re, json
from urlparse import urlparse
 
p_url = re.compile('^https://views.scraperwiki.com/run/([\w_]+)/?')
p_cb = re.compile('^[a-zA-Z_][\w_]+$')


try:
    qsenv = dict(cgi.parse_qsl(os.getenv("QUERY_STRING")))
    if 'url' in qsenv:
        url = qsenv['url']
        m_url = p_url.match(url)
        if not m_url:
            print "Error, invalid 'url' parameter: ", url
            exit(-400)

        o = urlparse(url)

        if o.scheme != 'https':
            print "Error, invalid 'url' parameter (2): ", url
            exit(-3)

    else:
        print "Error, 'url' parameter is missing."
        exit(-2)
except:
    exit(-1)


# print "OK, URL found, ", url


#---

html_template = ("<div class='scraperwiki embed-rsp'>"
                 "<iframe width='100%%' height='400' frameborder='0' src='%s'></iframe></div>" % url)
 
#---

 
oembed_rsp = {'version' : '1.0',
              'type' : 'rich',
              'provider_name': 'ScraperWiki - write code, get data',
              'provider_url' : 'https://scraperwiki.com/',
              'original_url' : url,
              'html' : html_template}
 
 
if 'callback' in qsenv:
    callback = qsenv['callback']
    m_cb = p_cb.match(callback)
    if not m_cb:
        print "Error, invalid 'callback' parameter: ", callback
        exit(-4)



scraperwiki.utils.httpresponseheader("Content-Type", "application/json")
 
if 'callback' in qsenv:
    print callback, '(', json.dumps(oembed_rsp), ')'
else:
    print json.dumps(oembed_rsp)

exit(0)