Python code snippet to wrap AlchemyAPI (on app engine)

alchemy.py

###############################################
# DoConceptTagging ############################
###############################################
class DoConceptTagging(webapp.RequestHandler):
    def get(self):
        q = self.request.get('q', '');
        callback= self.request.get('cb', '');
        param=urllib.urlencode({
        'apikey':'key',
        'outputMode':'json',
        'linkedData':'1',
        'jsonp':callback,
        'text':q,
        'showSourceText':'1'
        });

        url="http://access.alchemyapi.com/calls/text/TextGetRankedConcepts?"+param;
        response = urlfetch.fetch(url=url,deadline=8);
        if response:
            self.response.out.write(response.content);
            return;
        self.response.out.write(callback+'({"error":true})');

###############################################
# DoTagging #######################
###############################################
class DoKeywordTagging(webapp.RequestHandler):
    def get(self):
        q = self.request.get('q', '');
        callback= self.request.get('cb', '');
        param=urllib.urlencode({
        'apikey':'key',
        'outputMode':'json',
        'jsonp':callback,
        'text':q,
        'showSourceText':'1'
        });

        url="http://access.alchemyapi.com/calls/text/TextGetRankedKeywords?"+param;
        response = urlfetch.fetch(url=url,deadline=8);
        if response:
            self.response.out.write(response.content);
            return;
        self.response.out.write('error');
	    
###############################################
# DoTagging #######################
###############################################
class DoTagging(webapp.RequestHandler):
    def get(self):
        q = self.request.get('q', '');
        callback= self.request.get('cb', '');
        param=urllib.urlencode({
        'apikey':'key',
        'outputMode':'json',
        'quotations':'1',
        'coreference':'1',
        'sentiment':'1',
        'disambiguate':'1',
        'jsonp':callback,
        'text':q,
        'showSourceText':'1'
        });

        url="http://access.alchemyapi.com/calls/text/TextGetRankedNamedEntities?"+param;
        response = urlfetch.fetch(url=url,deadline=8);
        if response:
            self.response.out.write(response.content);
            return;
        self.response.out.write('error');