Ejemplo n.º 1
0
def connect(feed="http://stream.twitter.com/1/statuses/filter.json", track='apple', username=None, password=None, max=5, encoding='utf-8'):
    values = dict(track=track)
    data = urllib.urlencode(values)
    request = urllib2.Request(feed, data)
    base64string = base64.encodestring('%s:%s' % (username, password))[:-1]
    request.add_header("Authorization", "Basic %s" % base64string)
    s = urllib2.urlopen(request)
    tt = TweetTokenizer()
    tp = TweetParser() 
    tagger = TweetTagger()
    count = 0
    for line in iter(s.readline, None):
        count += 1
        print '%s of %s' % (count, max)
        try:
            tweet = simplejson.loads(line)
        except:
            print 'JSON load failed on line===>%s ' % line
            continue
        text = tweet.get('text')
        print text.encode(encoding, 'replace')
        tokens = tt.tokenize(text)
        parsed = tp.parse(text, debug=False)
        
        tags = tagger.tag(text, debug=False)
        print tokens
        print parsed
        print tags
        if count >= max:
            break
Ejemplo n.º 2
0
    def tag(self):

        text = request.params.get('text')
        apikey = request.params.get('key')
        language = request.params.get('language')
        channel = request.params.get('channel')
        referrer = request.headers.get('REFERER', '/')
        host = get_host(referrer)
        ip_address = request.environ.get("X_FORWARDED_FOR",
                                         request.environ.get("HTTP_X_FORWARDED_FOR",
                                                             request.environ.get("REMOTE_ADDR")))

        log.info('apikey=%s referrer=%s host=%s', apikey, referrer, host)


        # The text parameter is required for the tag method
        if not text:
            log.info('Missing text parameter.')
            return "001 Missing Parameter: Required parameter is not supplied (text)."

        log.info('Text to be tagged: %s', text)
        tags = TweetTagger.tag(text)
        log.info('Tags extracted: %s', str(tags))

        # Now update the call count on the key row...
        key = session.get('key')
        if key:
            key.calls = key.calls + 1
            key.last_call = datetime.datetime.now()

        # Log the api call
        apicall = APICall()
        apicall.parameters = text
        apicall.result = simplejson.dumps(tags)
        if key:
            apicall.apikey_id = key.id
        apicall.method = 'tag'
        apicall.http_method = request.method
        apicall.called_from = ip_address
        Session.add(apicall)

        Session.commit()
        response.headers['Content-Type'] = 'application/json'
        return simplejson.dumps(tags)
Ejemplo n.º 3
0
    def tag(self):

        text = request.params.get('text')
        apikey = request.params.get('key')
        language = request.params.get('language')
        channel = request.params.get('channel')
        referrer = request.headers.get('REFERER', '/')
        host = get_host(referrer)
        log.info('apikey=%s referrer=%s host=%s', apikey, referrer, host)

        if not apikey:
            # From Swift River API docs:
            # 007 Access denied. Your API key is no longer valid.  Please contact the administrator.
            # 008 Access denied. You need an API key to perform that task.  Please contact the administrator.
            response.status = '401 Unauthorized'
            return "008 Access denied. You need an API key to perform that task. Please contact the administrator."
        
        # Now load the key from the db if it exists...
        key = Session.query(APIKey).filter_by(keystr=apikey).first()
        if not key:
            log.info('No matching key was found in the db.')
            response.status = '401 Unauthorized'
            return "008 Access denied. You need an API key to perform that task.  Please contact the administrator."

        # Check that the key is valid for the referrer host...
        if key.valid_domains != host and key.valid_domains != '*':
            log.info("A Key was found but the referring host is invalid.")
            response.status = '401 Unauthorized'
            return "008 Access denied. You need an API key to perform that task.  Please contact the administrator."
            
        # Now check the number of calls in the last minute...
        query = select([func.count(APICall.table.c.id)])
        query = query.where("called_at > now() - interval 1 minute") 
        results = Session.execute(query).fetchone()
        log.info('number of previous calls: %s', str(results))

        # The text parameter is required for the tag method
        if not text:
            log.info('Missing text parameter.')
            return "001 Missing Parameter: Required parameter is not supplied (text)."

        log.info('Text to be tagged: %s', text)
        tags = TweetTagger.tag(text)
        log.info('Tags extracted: %s', str(tags))

        # Now update the call count on the key row...
        key.calls = key.calls + 1
        key.last_call = datetime.datetime.now()

        # Log the api call
        apicall = APICall()
        apicall.parameters = text
        apicall.result = simplejson.dumps(tags)
        apicall.apikey_id = key.id
        apicall.method = 'tag'
        apicall.http_method = request.method
        ip_address = request.environ.get("X_FORWARDED_FOR",
                                         request.environ.get("HTTP_X_FORWARDED_FOR",
                                                             request.environ.get("REMOTE_ADDR")))
        apicall.called_from = ip_address
        Session.add(apicall)

        Session.commit()
        response.headers['Content-Type'] = 'application/json'
        return simplejson.dumps(tags)