class urlencodeSerializer(Serializer):
    formats = ['json', 'jsonp', 'xml', 'yaml', 'html', 'plist', 'urlencode']
content_types = {'json': 'application/json', 'jsonp': 'text/javascript',
    'xml': 'application/xml', 'yaml': 'text/yaml', 'html': 'text/html',
    'plist': 'application/x-plist', 'urlencode':
    'application/x-www-form-urlencoded'}

def from_urlencode(self, data, options=None):
    pass
Tastypie with application/x-www-form-urlencoded