def runPart(self):
try:
s = self.__elem or self.__iter.next()
self.__elem = s
if u"text" in s:
try:
retweeted = (
TweetText(s[u"retweeted_status"], self.__urlBuilder, self.__userBuilder, None)
if s.has_key(u"retweeted_status")
else None
)
if retweeted:
for url in retweeted.urls():
self.__urlResolver.addUrlToQueue(url)
tweet = TweetText(s, self.__urlBuilder, self.__userBuilder, retweeted.id() if retweeted else None)
for url in tweet.urls():
self.__urlResolver.addUrlToQueue(url)
except UrlException as e:
logger.warn(u"Cannot build url: " + str(e))
self._doSmthElse()
self.__elem = None
except Full:
return
except StopIteration:
raise NothingToDo()
def __getTimelineFeatures(self, timeline):
logger.info(u"Get timeline features")
tweets = []
self.__changePhase(PHASE["GET_TIMELINE_URLS"])
for t in timeline:
try:
tweet = TweetText(t, self.__urlBuilder, self.__userBuilder)
except:
logger.exception(u"Error: \"" + unicode(t) + u"\"")
raise ValueError(t)
logger.debug(u"Tweet:" + unicode(tweet))
tweets.append(tweet)
urls = []
ti = 0
for tweet in tweets:
for url in tweet.urls():
self.__breakIfStopped()
self.__urlResolver.addUrlToQueue(url)
urls.append(url)
logger.info(u"Tweet:" + unicode(tweet))
ti += 1
self.__proc = 100 * float(ti) / float(len(tweets))
#Kategorie
self.__changePhase(PHASE["GET_TIMELINE_FEATURES"])
url2labels = {}
ui = 0
for url in urls:
self.__breakIfStopped()
if not url.isError():
logger.debug(u"Classify " + unicode(url.getUrl()))
url2labels[url.getExpandedUrl()] = self._classifier().classify(url.getText())
ui += 1
self.__proc = 100 * float(ui) / float(len(urls))
labelsFreq = FreqDist()
for labels in url2labels.values():
for label in labels:
labelsFreq.inc(label)
self.__catFreq = labelsFreq.items()
logger.info(u"Categories: " + unicode(labelsFreq.items()))
labelsFreqValues = [(item[0], item[1]) for item in labelsFreq.items() if item[0] not in ['short', 'medium', 'long']]
#normalizacja
labelsFreqValues = {label: float(freq) / float(max([f for l,f in labelsFreqValues])) for label, freq in labelsFreqValues}
logger.info(u"Category factors: " + unicode(labelsFreqValues))
#Języki
langFreq = FreqDist()
for u in urls:
langFreq.inc(u.lang())
self.__langFreq = langFreq.items()
logger.info(u"Languages: " + unicode(langFreq.items()))
return labelsFreqValues
