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metacritic_spider.py
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metacritic_spider.py
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from bs4 import BeautifulSoup
import urllib2
import re
import string
"""
rotten tomatoes scraper
"""
class MetacriticSpider(object):
def __init__(self, start_url = 'not yet set'):
self.start_url = start_url
self.jury = 'critics'
self.verdict = 'negative'
self.jury_dict = {'critics': '/critic-reviews', 'users': '/user-reviews'}
self.verdict_dict = {'positive': '?dist=positive', 'negative': '?dist=negative', 'medium': '?dist=neutral'}
# test this
def scrape_review_set(self, base_url, num_pages):
scraped = ''
for i in range(num_pages):
url = '%s&page=%s' % (base_url, i)
print url
scraped += self.get_text_from_reviews_page(url)
return scraped
# test this
def get_text_from_reviews_page(self, url):
page = self.demand_page(url)
soup = BeautifulSoup(page, "html.parser")
if not re.search('critic-reviews', url) == None:
reviews_list = soup.find(class_="reviews critic_reviews")
elif not re.search('user-reviews', url) == None:
reviews_list = soup.find(class_="reviews user_reviews")
else:
print "ERROR"
scraped = ''
if reviews_list:
reviews = reviews_list.findAll(class_="review_body")
for review in reviews:
expanded = review.find(class_ = "blurb blurb_expanded")
if expanded:
scraped += (expanded.get_text()+ " ").encode('utf8')
else:
scraped += (review.get_text()+ " ").encode('utf8')
return scraped
# given a search term, returns a dictionary mapping title to search result
# test this
def get_search_results(self, search_term):
search_term = '%20'.join(search_term.split())
search_url = 'http://www.metacritic.com/search/all/%s/results' % search_term
print search_url
page = self.demand_page(search_url)
soup = BeautifulSoup(page, "html.parser")
results = soup.findAll(class_="product_title basic_stat")
result_map = {}
for result in results:
link = result.find('a')
suffix = link['href']
name = link.get_text()
type = suffix.split('/')[1]
full_name = '%s (%s)' % (name, type)
if full_name in result_map:
fullest_name = '%s [%s]' % (full_name, suffix)
result_map[fullest_name] = suffix
else:
result_map[full_name] = suffix
return result_map
def scrape_metacritic(self):
search_term = raw_input('Enter search term:\n').split()
search_term = '%20'.join(search_term)
search_url = 'http://www.metacritic.com/search/all/%s/results' % search_term
page = self.demand_page(search_url)
soup = BeautifulSoup(page, "html.parser")
results = soup.findAll(class_="result")
print len(results)
result_map = {}
for result in results:
link = result.find('a')
suffix = link['href']
name = link.get_text()
type = suffix.split('/')[1]
name_and_type = '%s (%s)' % (name, type)
result_map[name_and_type] = suffix
link_suffix = self.get_suffix(result_map, 'choose result:\n')
movie_url = 'http://www.metacritic.com%s' % link_suffix
print movie_url
juries = {'critics': '/critic-reviews', 'users': '/user-reviews'}
verdicts = {'positive': '?dist=positive', 'negative': '?dist=negative', 'medium': '?dist=neutral'}
verdict_list = list(verdicts.keys())
for i in range(len(verdict_list)):
print "%s %s" % (i + 1,verdict_list[i])
choice = raw_input('choose verdict:\n')
verdict = verdict_list[int(choice) - 1]
verdict_suffix = verdicts[verdict]
jury_suffix = self.get_suffix(juries, 'choose jury:\n')
reviews_url = movie_url + jury_suffix + verdict_suffix
num_pages = 2
urls = []
destination = raw_input('Choose save name:\n')
outfilename = "texts/%s.txt" % destination
outfile = open(outfilename, 'w')
for i in range(num_pages):
url = '%s&page=%s' % (reviews_url, i)
print url
page = self.demand_page(url)
soup = BeautifulSoup(page, "html.parser")
foo = soup.findAll(class_="review_body")
for x in foo:
scraped_text = (x.get_text()+ " ").encode('utf8')
outfile.write(scraped_text)
def demand_page(self, url):
hdr = {'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.3',
'Accept-Encoding': 'none',
'Accept-Language': 'pl-PL,pl;q=0.8',
'Connection': 'keep-alive'}
req = urllib2.Request(url, headers=hdr)
try:
page = urllib2.urlopen(req)
except urllib2.HTTPError, e:
print e.fp.read()
return page
# given a dictionary mapping names to url suffixes, asks user to choose a name, returns chosen suffix
def get_suffix(self, map, prompt):
menu = list(map.keys())
for i in range(len(menu)):
print "%s %s" % (i + 1,menu[i])
choice = raw_input(prompt)
name = menu[int(choice) - 1]
suffix = map[name]
return suffix
#s = MetacriticScraper()
#s.scrape_review_set('http://www.metacritic.com/movie/the-iron-giant/user-reviews?dist=positive', 2)
#s = Scraper()
#s.scrape_metacritic()