qwiki.py

# Copyright (C) 2011 Philter Phactory Ltd.
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# furnished to do so, subject to the following conditions:
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE X
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import logging
import random
import re
from django.utils import simplejson
import time
import urllib


QWIKI_QUERY = "http://embed-api.qwiki.com/api/v1/search.json?count=1&"
QWIKI_FOUND_NOTHING = """[]"""



def search_qwiki(what):
    """Search qwiki to make sure we'll get a result in our embed.
    Success is a string (of json), failure is None.
    The results of this search are discarded after checking"""
    query = urllib.urlencode({'q':what.title()})
    result = urllib.urlopen(QWIKI_QUERY + query).read()
    return result


def get_qwiki_embed(what):
    """Get the title for the first relevant article on Qwiki, or None"""
    result = None
    text = search_qwiki(what)
    json = simplejson.loads(text)
    if len(json) > 0:
        result = json[0]['embed_url']
    return result


def query_from_url(url):
    """Get the query from the end of the url"""
    return url.split('/')[-1]


def render_qwiki_embed(what):
    """Make the oembed code for the Qwiki"""
    url = "http://www.qwiki.com/q/#!/%s" % \
        urllib.quote_plus(query_from_url(what))
    return '<a class="oembed" href="%s" data-oembed-type="video">%s</a>' %\
        (url, url)