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import time | |
import re | |
import urllib2 | |
import datetime | |
import sys | |
import os, errno | |
from BeautifulSoup import BeautifulSoup | |
from pymongo import MongoClient | |
import nltk | |
reload(sys) | |
sys.setdefaultencoding('utf-8') | |
def visible(element): | |
if element.parent.name in ['style', 'script', '[document]', 'head', 'title']: | |
return False | |
elif re.match('<!--.*-->', str(element)): | |
return False | |
return True | |
def getData(source): | |
response = urllib2.urlopen(source[1]) | |
if source[2] == "utf-8": | |
html = response.read().decode().encode("utf-8") | |
else: | |
html = response.read().decode(source[2]).encode("utf-8") | |
soup = BeautifulSoup(html) | |
pageText = soup.findAll(text=True) | |
visible_texts = filter(visible, pageText) | |
clearRaw =''.join(visible_texts).replace(" ", " ").replace(">","").lower() | |
return clearRaw | |
timestampForProcess = time.time() | |
client = MongoClient('localhost', 27017) | |
portalData = client.portalData | |
portals = [["terra","http://terra.com.br/","utf-8"],["uol","http://uol.com.br","utf-8"],["folha","http://folha.com.br","cp1252"],["estadao","http://estadao.com.br","utf-8"]] | |
for portal in portals: | |
print "processing "+portal[0]+" from "+ portal[1] | |
data = getData(portal) | |
gram = nltk.word_tokenize(data) | |
bgram = nltk.bigrams(gram) | |
tgram = nltk.trigrams(gram) | |
portalData.portal.insert({"name":portal[0],"momentum":timestampForProcess, "source": data,"gram":gram,"bgram":bgram,"tgram":tgram}); |
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