def processReviewXls(self, sheet, row):
review = Review()
start_col = 0
end_col = 11
for col in range(start_col, end_col):
if col == 0:
review.reviewId = sheet.cell_value(row, col)
elif col == 1:
review.review = sheet.cell_value(row, col)
elif col == 2:
review.Food = self.XlsCheckValue(sheet.cell_value(row, col))
elif col == 3:
review.Drinks = self.XlsCheckValue(sheet.cell_value(row, col))
elif col == 4:
review.Ambiance = self.XlsCheckValue(sheet.cell_value(row, col))
elif col == 5:
review.Service = self.XlsCheckValue(sheet.cell_value(row, col))
elif col == 6:
review.Location = self.XlsCheckValue(sheet.cell_value(row, col))
elif col == 7:
review.Deals = self.XlsCheckValue(sheet.cell_value(row, col))
elif col == 8:
review.Price = self.XlsCheckValue(sheet.cell_value(row, col))
else:
pass # control should have never reached here as there are only 11 columns in xls
return review
def shuffleReviews(input_file, output_file):
reviewList = Review.readReviewsFromXML(input_file)
if reviewList == None or len(reviewList) == 0:
print "No reviews in input file"
random.shuffle(reviewList)
Review.serializeToXML(reviewList, output_file)
def stemmingStopWRemoval(self, review, vocab):
''' Does Following things:
1. Tokenize review into sentences, and then into words
2. Remove stopwords, punctuation and stem each word
3. Add words into vocab
4. Make Sentence objects and corresponding Review object
'''
reviewObj = Review()
#copying ratings into reviewObj
for ratingType, rating in review["Ratings"].items():
reviewObj.ratings[ratingType] = rating
reviewObj.reviewId = review["ReviewID"]
stemmer = PorterStemmer()
reviewContent = review["Content"]
#TODO: Append title too!
sentencesInReview = nltk.sent_tokenize(reviewContent)
puncs = set(string.punctuation) #punctuation marks
for sentence in sentencesInReview:
wordList = []
words = nltk.word_tokenize(sentence)
for word in words:
if not all(c.isdigit() or c in puncs for c in word):
word = word.lower()
if word not in self.stopWords:
word = stemmer.stem(word.lower())
vocab.append(word)
wordList.append(word)
if wordList:
sentenceObj = Sentence(wordList)
reviewObj.sentences.append(sentenceObj)
if reviewObj.sentences:
self.allReviews.append(reviewObj)
def seperateByRating(input_file, output_dir):
reviewList = Review.readReviewsFromXML(input_file)
high5 = []
low1 = []
medium = []
low2 = []
for review in reviewList:
if str(review.getReviewRating()) == '5.0':
review.setPolarity('1')
review.setConfidence('1')
high5.append(review)
elif str(review.getReviewRating()) == '1.0':
review.setPolarity('-1')
review.setConfidence('1')
low1.append(review)
elif str(review.getReviewRating()) == '2.0':
review.setPolarity('-1')
review.setConfidence('1')
low2.append(review)
else:
medium.append(review)
Review.serializeToXML(high5, output_dir + "/high.xml")
Review.serializeToXML(low1, output_dir + "/low1.xml")
Review.serializeToXML(low2, output_dir + "/low2.xml")
Review.serializeToXML(medium, output_dir + "/medium.xml")
print "5: " + str(len(high5))
print "1: " + str(len(low1))
print "2: " + str(len(low2))
def separateLabeledAndUnlabeled(file, output_dir):
reviewList = Review.readReviewsFromXML(file)
labeled = []
unlabeled = []
for review in reviewList:
if review.getReviewPolarity().strip() != '':
labeled.append(review)
else:
unlabeled.append(review)
Review.serializeToXML(labeled, output_dir + "/labeled-neu.xml")
Review.serializeToXML(unlabeled, output_dir + "/unlabeled-neu.xml")
def process(self):
with codecs.open(SOURCE_TRAIN_FILE, encoding='utf-8') as r:
lines = r.readlines()
count = 0
for line in lines:
print count
count += 1
review = Review()
self.stage_initial(review, line)
self.stage_add_jj(review)
self.stage_add_key_word(review)
self.stage_post_process(review)
if review.is_valid():
self.review_list.append(review)
def siftReviewsByPolarity(input_file, output_file, polarity):
'''
out_file will contain all reviews from input_file
other than the ones labeled as polarity
'''
reviewList = Review.readReviewsFromXML(input_file)
if reviewList == None or len(reviewList) == 0:
print "No reviews in input file"
outList = []
for review in reviewList:
if str(review.getReviewPolarity()) == str(polarity):
continue
outList.append(review)
Review.serializeToXML(outList, output_file)
def render_review():
form = reviewForm(request.form)
if request.method == 'POST' and form.validate():
review = form.review.data
s1 = Review(review)
mag_db = root.child("review")
mag_db.push({
# "username": session["username"],
'review': s1.get_review(),
# "rating":s1.get_rating(),
# "companyname":s1.get_rating()
})
flash("Thank You !! We Appreciate your Review :) ", "success")
return render_template('Review.html', form=form)
def generateKFolds(self, location = "./", trainingData = {}, validationData = {}):
if self.reviews == None or len(self.reviews) == 0:
print 'No data to work on'
return
i = 0;
import os
if not os.path.isdir(location):
location = "./"
for training, validation in self.k_fold_cross_validation():
i = i + 1
Review.serializeToXML(training, location + "/train" + str(i) + ".xml")
Review.serializeToXML(validation, location + "/valid" + str(i) + ".xml")
trainingData[str(i)] = training
validationData[str(i)] = validation
def dataset_from_contents_labels(self, contents, labels):
arr_dataset = []
for i in xrange(len(contents)):
dr = Review(contents[i], labels[i])
arr_dataset.append(dr)
return self.dataset_from_array(arr_dataset)
def countLabeledReviews(file):
reviewList = Review.readReviewsFromXML(file)
count = 0
for review in reviewList:
if review.getReviewPolarity().strip() != '':
count += 1
print count
def scrape_user_comment_list(self, raw_page=None):
if not raw_page:
raw_page = self.fetch_beer_page()
self.reviews = []
try:
self.total_ratings
except AttributeError:
self.parse_metadata(raw_page)
page = 1
while len(self.reviews) < self.total_ratings:
if page != 1:
raw_page = self.fetch_beer_page(page=page)
self.reviews +=[Review(beer_uid=self.uid, user_uid=int(user_id),
brewery_uid =self.brewery_id, topline_score=float(topline_score),
aroma_score=int(aroma), apperance_score=int(apperance),
taste_score=int(taste), palete_score=int(palete),
overall_score=int(overall), user_loc=user_loc,
date = datetime.datetime.strptime(date_str, '%b %d, %Y').date(),
comment = comment) for (topline_score, aroma, apperance,
taste, palete, overall, user_id, user_name, user_loc,
date_str, comment) in \
Beer.reviews_regex.findall(raw_page)]
page += 1
if page - 1 > self.total_ratings / 8.0:
logging.error(
'parsing should have completed, but did not, forcing.')
break
def convertReview(self, serialized_dict):
review = Review()
for key in serialized_dict:
if "review_" in key:
value = serialized_dict[key]
setattr(review, key, value)
return review
def getAllReviews(self):
self._c.execute("SELECT * FROM reviews")
for row in self._c.fetchall():
review = Review(row[0],row[1],row[2],row[3],row[4],row[5],row[6])
if review.artist not in self.artists: self.artists[review.artist] = Artist(review.artist)
if review.bnm == 1: self.artists[review.artist].bnms.append(review)
self.artists[review.artist].reviews.append(review)
def test_review(self):
review = Review("Review title", "This is the review content", "5",
"December 20, 2020", "Deco Oliveira")
self.assertEquals(review.title, "Review title")
self.assertEquals(review.content, "This is the review content")
self.assertEquals(review.rating, "5")
self.assertEquals(review.date, "December 20, 2020")
self.assertEquals(review.author, "Deco Oliveira")
def delete(self):
req_data = request.get_json()
username = req_data['username']
restaurant_id = req_data['restaurant_id']
if Review.delete_rating(username, restaurant_id):
return {'message': "Review deleted"}, 200
else:
return {'message': "No review to delete"}, 200
def from_json(json_filename, from_annotated=False):
paper = Paper('', '', None, [])
datas = []
with io.open(json_filename, mode='rt', encoding='utf8') as json_file:
for line in json_file:
try:
data = json.loads(line.strip())
datas.append(data)
except Exception as e:
print(line)
continue
if len(datas) == 0: return None
data = datas[-1]
#print data
# Read required fields.
assert 'title' in data
assert 'abstract' in data
paper.TITLE = data['title']
paper.ABSTRACT = data['abstract']
if 'id' in data:
if data['id'] == "":
paper.ID = json_filename.split("/")[-1].split(".")[0]
else:
paper.ID = data['id']
else:
paper.ID = json_filename.split("/")[-1].split(".")[0]
# Read optional fields.
paper.AUTHORS = data['authors'] if 'authors' in data else None
paper.CONFERENCE = data['conference'] if 'conference' in data else None
paper.ACCEPTED = data['accepted'] if 'accepted' in data else None
paper.SCORE = data['score'] if 'score' in data else None
paper.PUBLICATION_TYPE = data[
'publication_type'] if 'publication_type' in data else None
paper.SCIENCEPARSE = data[
'scienceparse'] if 'scienceparse' in data else None
paper.KEYWORDS = data['keywords'] if 'keywords' in data else None
paper.AUTHOR_EMAILS = data[
'author_emails'] if 'author_emails' in data else None
paper.DATE_OF_SUBMISSION = data[
'DATE_OF_SUBMISSION'] if 'DATE_OF_SUBMISSION' in data else None
paper.SUBJECTS = data['SUBJECTS'] if 'SUBJECTS' in data else None
paper.COMMENTS = data['COMMENTS'] if 'COMMENTS' in data else None
paper.VERSION = data['VERSION'] if 'VERSION' in data else None
paper.HISTORIES = data['histories'] if 'histories' in data else None
# Read reviews (mandatory).
assert 'reviews' in data
for review_data in data['reviews']:
review = Review.from_json_object(review_data)
paper.REVIEWS.append(review)
return paper
def __init__(self, filename, empty_user=set()):
'''
filename: inits the UBRR data from the input file
empty_user: skip the reviews by this user (keeps the ratings)
'''
self.empty_user = empty_user
ur_map = dict()
br_map = dict()
cnt = 0
skipped = 0
#read the file
if filename.endswith('.gz'):
f = gzip.open(filename, 'r')
else:
f = open(filename, 'r')
for line in f:
vals = line.split("\t")
if len(vals) == 0:
continue
u = vals[0]
b = vals[1]
r = float(vals[2])
d = vals[3].strip()
if u in self.empty_user:
#we are skipping this review
d = ''
skipped += 1
rev = Review(u, b, r, d) #review obj
#store biz -> list of reviews
if not br_map.get(b):
br_map[b] = []
br_map[b].append(rev)
#store user -> list of reviews
if not ur_map.get(u):
ur_map[u] = []
ur_map[u].append(rev)
cnt += 1
self.biz_map = br_map
self.user_map = ur_map
f.close()
print('Review Data Manager Initialized with ', cnt, ' reviews')
print('Number of skipped users = ', len(self.empty_user))
print('Number of skipped reviews = ', skipped)
def getReview(self, reviewlink):
review = urlopen(Request(reviewlink),
context=ssl._create_unverified_context())
review_soup = soup(review, 'lxml')
root_container = review_soup.find("img",
attrs={"src": re.compile('album')})
score_container = root_container.find_next_sibling('div').find('span')
name_container = root_container.find_next_sibling('h1').find('a')
album_container = root_container.find_next_sibling('h1').find('span')
return Review(float(score_container.text), reviewlink,
name_container.text, album_container.text)
def findMaterials(link):
# Parse the given link into some Beautiful Soup
req = requests.get(link).text
reviews = BeautifulSoup(req, 'html.parser')
# Set up list string variables.
reviewAuthor = []
reviewPosition = []
reviewCompany = []
reviewRating = []
sectionHeading = []
sectionText = []
sectionDate = ''
# Find the authors name (if there is one)
for review in reviews.find_all('span', {'itemprop': 'author'}):
reviewAuthor.append(review.contents[0].text)
# Find the author's position and company (if applicable)
for review in reviews.find_all('span', {'class': 'user-info'}):
reviewPosition.append(review.contents[0].text)
reviewCompany.append(review.contents[1].text)
# Find what the user rated Sitefinity
reviewRating = reviews.find_all('span', class_='number')[0].text
# Perform find.contents[] for all of the headings and text
# and append them to our functions variables
for review in reviews.find_all('div', {'class': 'description'}):
# Receive review section headings
for head in range(6):
sectionHeading.append(review.contents[0].contents[0].contents[1].contents[head].contents[0].contents[0].contents[0].contents[0].text)
# Receive review section bodies
for body in range(6):
sectionText.append(" %s" % review.contents[0].contents[0].contents[1].contents[body].contents[1].contents[0].contents[0].contents[0].text)
# Wrap up the review information into a dictionary, this is for easy handling
reviewDict = dict(zip(sectionHeading, sectionText))
# Get's the date of the review from the review's URL
sectionDate = link[56:-9]
days = date(int(sectionDate[:-6]), int(sectionDate[5:-3]), int(sectionDate[8:]))
# Create a new review using our Review class, and return that review
rev = Review(reviewAuthor, reviewPosition, reviewCompany, reviewRating, reviewDict, days)
print "Review created for %s..." % rev.name[0]
sys.stdout.flush()
return rev
def post(self):
req_data = request.get_json()
username = req_data['username']
restaurant_id = req_data['restaurant_id']
restaurant_name = req_data['restaurant_name']
comment = req_data['comment']
rating = req_data['rating']
if Review.post_rating(username, restaurant_name, restaurant_id,
comment, rating):
return {'message': "Review created"}, 200
else:
return {'message': "Already reviewed restaurant"}, 200
def labelTestFile(xml_test_file, weka_csv_results_file, output_file):
'''
this method takes the reviews xml file, weka results in CSV format
applies polarity and confidence to reviews and write the resultant xml to output_file
'''
reviewList = Review.readReviewsFromXML(xml_test_file)
results_file = open(weka_csv_results_file, "r")
resultsList = results_file.readlines()
if len(reviewList) != len(resultsList):
print 'Different number of reviews and results'
return
counter = 0
for review in reviewList:
result = resultsList[counter].strip().split(',')
counter += 1
review.setPolarity( Util.getNumericLabel(result[2].split(':')[1]))
review.setConfidence('0.9' if result[4] == '1' else result[4])
print 'writing labelled test data to ' + output_file
Review.serializeToXML(reviewList, output_file)
def get_page(self, page):
myUrl = 'http://android.myapp.com/myapp/app/comment.htm?apkName=com.msxf.loan&apkCode=15701&p=' + page + '&contextData=' + self.contextData
user_agent = 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'
headers = {'User-Agent': user_agent}
req = urllib.request.Request(myUrl, headers=headers)
myResponse = urllib.request.urlopen(req)
myPage = myResponse.read()
# encode的作用是将unicode编码转换成其他编码的字符串
# decode的作用是将其他编码的字符串转换成unicode编码
unicodePage = myPage.decode("utf-8")
jsondata = json.loads(unicodePage)
if (not jsondata == None) and 'obj' in jsondata:
obj = jsondata['obj']
if not obj == None:
if self.total == 0:
if 'total' in obj:
self.total = obj['total']
if 'commentDetails' in obj:
commentDetailes = obj['commentDetails']
if 'contextData' in obj:
self.contextData = obj['contextData']
self.crawlCount += len(commentDetailes)
reviews = []
for comment in commentDetailes:
review = Review()
review.appStore = 'myapp'
review.packageName = 'com.msxf.loan'
if 'content' in comment:
review.content = comment['content']
if 'nickName' in comment:
review.nickName = comment['nickName']
if 'score' in comment:
review.score = comment['score']
if 'versionCode' in comment:
review.versionCode = comment['versionCode']
if 'createdTime' in comment:
review.reviewTime = datetime.datetime.fromtimestamp(int(comment['createdTime'])).strftime(
'%Y-%m-%d %H:%M:%S')
reviews.append(review)
ReviewsDataSource.insert(reviews)
self.enable = self.crawlCount < self.total
def load_review_from_csv(self, infile):
with open(infile, "rb") as csvfile:
reader = csv.DictReader(csvfile)
# init field names & label column
self.field_names = reader.fieldnames
self.column_label = self.field_names[-1]
for rows in reader:
review = Review(rows[self.field_names[0]],
rows[self.field_names[1]])
self.dataset.append(review)
if self.label_values.count(rows[self.column_label]) == 0:
self.label_values.append(rows[self.column_label])
return infile
def from_softconf_dump(json_file, conference=None):
with io.open(json_file, "r", encoding="utf8") as ifh:
json_str = ifh.read()
# print (json_str)
json_data = json.loads(json_str)["submissions"]
papers = []
for i in range(len(json_data)):
reviews = []
for k in range(len(json_data[i]["reviews"])):
# print(json_data[i]["reviews"][k])
review_data = []
review = Review.from_json_object(
json_data[i]["reviews"][k], k == i == 0)
#review = None
reviews.append(review)
authors = json_data[i]["authors"] if "authors" in json_data[i] else None
score = json_data[i]["score"] if "score" in json_data[i] else None
accepted = json_data[i]["accepted"] if "accepted" in json_data[i] else None
publication_type = json_data[i]["publication_type"] if "publication_type" in json_data[i] else None
keywords = json_data[i]["KEYWORDS"] if "KEYWORDS" in json_data[i] else None
author_emails = json_data[i]["AUTHOR_EMAILS"] if "AUTHOR_EMAILS" in json_data[i] else None
date_of_submission = json_data[i]["DATE_OF_SUBMISSION"] if "DATE_OF_SUBMISSION" in json_data[i] else None
paper = Paper(
json_data[i]["title"],
json_data[i]["abstract"],
json_data[i]["id"],
reviews,
authors,
conference,
accepted,
score,
publication_type,
None,
keywords,
author_emails,
date_of_submission)
papers.append(paper)
# break
return papers
def queryTodayReviews(reviews):
conn = sqlite3.connect('reviews.db')
try:
c = conn.cursor()
for row in c.execute(
"select nickName,content,reviewTime,appStore,versionCode,packageName,score from reviews WHERE date(reviews.reviewTime) = date('now')"):
review = Review()
review.appStore = 'myapp'
review.nickName = row[0]
review.content = row[1]
review.reviewTime = row[2]
review.appStore = row[3]
review.versionCode = row[4]
review.packageName = row[5]
review.score = row[6]
reviews.append(review)
except BaseException as e:
print('sql error : ' + e.__cause__)
c.close()
print('queryTodayReviews ' + str(len(reviews)) + ' row.')
def collection(self, reviews):
all_reviews = []
factory = ElementFactory()
for r in reviews:
content = factory.content(r)
five_stars = factory.five_stars(r)
date = factory.date(r).text
author = factory.author(r).text
title = factory.title(r).text
rating = 5 if five_stars != None else 0
if(rating == 5):
review = Review(title, content, rating, date, author)
all_reviews.append(review)
return all_reviews
def test_add_review(self):
expected = "Thank your for giving a review."
is_first = True
is_second = True
count = 3
for k in self.drivers:
if is_first and is_second:
order_id = self.order1
is_first = False
elif is_second:
order_id = self.order2
is_second = False
else:
order_id = self.order3
result = Review().start(self.drivers[k], self.user, order_id, str(count), "Unit testing")
self.assertEqual(expected, result)
count = count + 1
def load(self):
for line in codecs.open(Train_File).readlines():
curr_r = Review()
curr_r.parsefromstring(line)
self.data.append(curr_r)
print "training data loaded, ", len(self.data)
from Review import Review
if __name__ == '__main__':
Review.serializeToXML(Review.readReviewsFromXML('../low-rating-reviews.xml'), '../test.xml')
def reviewList(self, movie_code):
d = json.loads(
urllib.urlopen(
"http://api.allocine.fr/rest/v3/reviewlist?partner=%s&format=json&code=%s"
% (PARTNER_CODE, movie_code)).read())
return [Review(**i) for i in d["feed"]["review"]]
def processReviewXls(self, sheet, row):
review = Review()
start_col = 0
end_col = 11
for col in range(start_col, end_col):
if (col == 0):
review.reviewId = sheet.cell_value(row, col)
elif (col == 1):
review.review = sheet.cell_value(row, col)
elif (col == 2):
review.Food = self.XlsCheckValue(sheet.cell_value(row, col))
elif (col == 3):
review.Drinks = self.XlsCheckValue(sheet.cell_value(row, col))
elif (col == 4):
review.Ambiance = self.XlsCheckValue(sheet.cell_value(
row, col))
elif (col == 5):
review.Service = self.XlsCheckValue(sheet.cell_value(row, col))
elif (col == 6):
review.Location = self.XlsCheckValue(sheet.cell_value(
row, col))
elif (col == 7):
review.Deals = self.XlsCheckValue(sheet.cell_value(row, col))
elif (col == 8):
review.Price = self.XlsCheckValue(sheet.cell_value(row, col))
else:
pass #control should have never reached here as there are only 11 columns in xls
return review
def get(self, username):
reviews = Review.get_reviews_for_user(username)
if reviews != None:
return {'reviews': reviews}, 200
else:
return {'message': 'Error getting reviews'}, 404
from Rating import Rating
from Experience import Experience
from Review import Review
from User import User
from Recomendation import Recomendation
print(0, "->", Rating(0, 0, 2))
print(1, "->", Rating(1, 0, 2))
print(2, "->", Rating(2, 0, 2))
#Rating(9,0,2)
#Rating("g")
experiencia1 = Experience("Buenas migas", "Restaurante", 1)
experiencia2 = Experience("Telepizza", "Restaurante")
experiencia2.setId(2)
valoracion1 = Rating(1)
resenya1 = Review(experiencia1, valoracion1)
recomendacion1 = Recomendation(experiencia2, Rating(2))
user1 = User("nombre", "contraseña")
user1.setId(1)
user1.addRecomendation(
Recomendation(Experience("Dominus", "Restaurante", 1), Rating(3)))
user1.addReview(Review(Experience("Dominus", "Restaurante", 3), Rating(4)))
user1.getRecomendations()[0].setId(
(user1.getRecomendations()[0].getExperience().getId(), user1.getId()))
user1.getReviews()[0].setId(
(user1.getReviews()[0].getExperience().getId(), user1.getId()))
user2 = User("otroUser", "otraPassword", id=3)
user2.setRecomendations(user1.getRecomendations())
user3 = User("copion", "copionpassword", user1.getReviews(),
user2.getRecomendations(), 3)
reviewObj.setReviewRating(rating)
#global variables
file_location = "../reviews.xml"
if __name__ == '__main__':
hotel_url= ['http://www.yelp.com/biz/morimoto-new-york']
#variable to loop through pages
i=0
#variable to assign doc id to reviews
objCount = 1
#we store our reviews temporarily in this before we write to file
buffer = []
#crawl in a loop
while(i<=1000):
web_page= parse(hotel_url[0]+'?start='+str(i)).getroot()
for review in web_page.cssselect('#bizReviews .externalReview'):
obj = Review(objCount)
myparser(obj, review)
buffer.append(obj)
objCount += 1
i=i+40
print objCount
#if we crawl too fast, site comes up with captcha
time.sleep(10)
Review.serializeToXML(buffer, file_location)
def printCount(file):
reviewList = Review.readReviewsFromXML(file)
print str(len(reviewList))
def get(self, restaurant_id):
reviews = Review.get_reviews_for_restaurant(restaurant_id)
if reviews != None:
return {'reviews': reviews}, 200
else:
return {'message': 'Error getting reviews'}, 404
'''
Created on Apr 15, 2013
This is where we invoke modules to generate features for training and test data
@author: naresh
'''
from Review import Review
import nltk
from Corpus import Corpus
from Dictionary import Dictionary
from FeatureGenerator import FeatureGenerator
from FeatureWeight import FeatureWeight
if __name__ == '__main__':
trainingreviews = Review.readReviewsFromXML("../old-training-shuffled.xml")
lemmatizer = nltk.WordNetLemmatizer()
testReviews = Review.readReviewsFromXML("../old-test-data.xml")
trainCorpus = Corpus(trainingreviews, lemmatizer, POS_tagging = True)
'''this dictionary will be used for both training and validation data'''
dictionary = Dictionary(trainCorpus)
generator = FeatureGenerator(trainCorpus, dictionary, '../train.csv', weightScheme= FeatureWeight.TFIDF)
generator.generateFeatures()
testCorpus = Corpus(testReviews, lemmatizer, POS_tagging = True);
generator = FeatureGenerator(testCorpus, dictionary, '../test.csv',weightScheme= FeatureWeight.TFIDF)
generator.generateFeatures()
def __init__(self, url, cnx):
#temporary for testing
#url = '/movie/bond-23'
#skip this. metacritic's fault
if (url == '/movie/who-the-%-is-jackson-pollock'):
return
#values that go into database
values = {}
values['title'] = ''
values['url'] = ''
values['cScore'] = ''
values['uScore'] = ''
values['date'] = ''
#get all of those single values then put them in the movie table
#then find all of the reviews and put them in the reviews table with the movie id
#time to get the stuff from the movie page
#get movie page
response = requests.get('http://www.metacritic.com' + url,
allow_redirects=True)
if (response.status_code == 400):
return
url = re.sub(
'http:\/\/www.metacritic.com', '',
response.url) #resets the url to the one that was redirected to
#convert html to string
mainPageHtml = response.content
#make the soup
mainPageSoup = BeautifulSoup(mainPageHtml)
#save the url
values['url'] = url
#get the title
results = mainPageSoup.find_all('span', {'itemprop': 'name'})
values['title'] = results[0].string
values['title'] = str(
values['title'].lstrip().rstrip()) #get rid of weird whitespace
#get the critic score
results = mainPageSoup.find_all('span', {'itemprop': 'ratingValue'})
values['cScore'] = str(results[0].string)
#get the user score
results = mainPageSoup.find_all('a', {
'class': 'metascore_anchor',
'href': url + '/user-reviews'
})
#if for some reason it can't find the user score. it happens even though it shouldn't
if (len(results) > 0):
values['uScore'] = str(results[0].div.string)
if (values['uScore'] == 'tbd'):
values['uScore'] = str('-1')
else:
values['uScore'] = str('-1')
#get the year
results = mainPageSoup.find_all('span', {
'class': 'data',
'itemprop': 'datePublished'
})
date = str(results[0].string.lstrip().rstrip())
matches = re.match(r'([a-zA-Z]{3})\s(\d+),\s(\d{4})', date)
if (matches):
month = {
'Jan': '01',
'Feb': '02',
'Mar': '03',
'Apr': '04',
'May': '05',
'Jun': '06',
'Jul': '07',
'Aug': '08',
'Sep': '09',
'Oct': '10',
'Nov': '11',
'Dec': '12'
}[matches.group(1)]
day = matches.group(2)
year = matches.group(3)
values['date'] = year + '-' + month + '-' + day
else:
values['date'] = None
#save to the database
cursor = cnx.cursor()
query = ("select movie_id from movies where movie_url = %s")
inDB = False
mid = 0
cursor.execute(query, (str(values['url']), ))
for (movie_id, ) in cursor:
inDB = True
id = movie_id
if (not inDB):
#make a new row for this critic
if (values['date'] is not None):
add_movie = ("INSERT INTO movies"
"(title, movie_url, uScore, cScore, release_date)"
"VALUES (%s, %s, %s, %s, %s)")
movie_data = (values['title'], values['url'], values['uScore'],
values['cScore'], values['date'])
else:
add_movie = ("INSERT INTO movies"
"(title, movie_url, uScore, cScore)"
"VALUES (%s, %s, %s, %s)")
movie_data = (values['title'], values['url'], values['uScore'],
values['cScore'])
cursor.execute(add_movie, movie_data)
mid = cursor.lastrowid
cnx.commit()
cursor.close()
#get the critic reviews
#get html
criticPage = openUrl(url)
criticSoup = BeautifulSoup(criticPage)
criticReviews = criticSoup.find_all(
'div', {'class': 'module reviews_module critic_reviews_module'})
if (len(criticReviews) > 0):
reviews = criticReviews[0].find_all('div',
{'class': 'review_content'})
else:
print('ERROR:' + url)
reviews = []
for r in reviews:
Rev = Review(mid, values['url'], r, cnx)
def reviewDetail(self, review_container, poi_id):
"""--------------------------"""
'''-------------uid-------------'''
uid = None
try:
try:
original_uid = review_container.find_elements_by_css_selector(
".memberOverlayLink")[0].get_attribute("id")
#print(original_uid)
long_uid = original_uid.split("_")[1]
long_uid_split = long_uid.split("-")
if len(long_uid_split) > 0:
uid = long_uid_split[0]
else:
uid = long_uid
except:
original_uid = review_container.find_elements_by_css_selector(
".member_info div")[0].get_attribute("class")
try:
long_uid = original_uid.split("_")[1]
uid = long_uid
except:
uid = review_container.find_element_by_css_selector(
".username.mo span").text
except:
uid = None
'''-------------review_title-------------'''
review_title = None
try:
review_title = review_container.find_element_by_css_selector(
"span.noQuotes").text
except:
review_title = None
'''-------------review_rating-------------'''
review_rating = None
try:
review_rating_string = review_container.find_element_by_css_selector(
".rating span.ui_bubble_rating").get_attribute("class")
review_rating = int(
review_rating_string.split(" ")[1].split("_")[1]) / 10
except:
review_rating = None
'''-------------ratingDate-------------'''
ratingDate = None
try:
ratingDate = review_container.find_element_by_css_selector(
".ratingDate.relativeDate").get_attribute("title")
except:
ratingDate = None
'''-------------review-------------'''
review = None
try:
review = review_container.find_element_by_css_selector(
".entry .partial_entry").text
except:
review = None
'''-------------print all data-------------'''
# print("uid:",uid,"review_title:",review_title,"review_rating:",review_rating,"review:",review,"ratingDate:",ratingDate)
review = Review(poi_id, uid, review_title, review_rating, review,
ratingDate)
print(review)
if self.insertToDB_gate:
self.db.insert(review, "review")
print("insert ", review.review_title)
#output files unlabeled_file='../test-data.xml' labeled_file='../traning-data.xml' #lists for labeled and unlabeled reviews unlabeled=[] labeled=[] labeled_high=[] labeled_low=[] labeled_mid=[] for each_file in review_files: #call the readReviewsFromXML reviews = Review.readReviewsFromXML(each_file) for each_review in reviews: #convert reviewId into int, which help in sorting before saving in disk. each_review.reviewId=int(each_review.getReviewId()) #check and append if polarity is empty if (each_review.getReviewPolarity() == ""): unlabeled.append(each_review) elif (each_review.getReviewPolarity() == "-1"): labeled_low.append(each_review) elif(each_review.getReviewPolarity() == "0"): labeled_mid.append(each_review)
def parse_album_review(text, site):
"""Return date, artist, album, and body of review for page"""
soup = BeautifulSoup(text, "html.parser")
if site == "exclaim":
date = dateparser.parse(
soup.find("div", {
"class": "article-published"
}).get_text()[10:])
author = soup.find("div", {"class": "article-author"}).get_text()[3:]
try: # Some reviews don't have ratings
rating = soup.find("div", {"class": "article-rating"}).get_text()
except AttributeError as err:
rating = ''
artist = soup.find("span", {"class": "article-title"}).get_text()
try:
album = soup.find("span", {"class": "article-subtitle"}).get_text()
except AttributeError as err:
album = ''
review = soup.find("div", {"class": "article"}).get_text()
if rating != '':
try:
review = re.split('(\n\d{1,2}\n)', review)[2]
except IndexError as err:
pass
review = re.split('(\([^()]+\)\n\n)', review)[0]
elif site == "rollingstone":
# date will need to be further processed
date = dateparser.parse(
soup.find("time", {
"class": "content-published-date"
}).get_text())
author = soup.find("a", {"class": "content-author"}).get_text()
# title does not hold artist and album in structured way
title = soup.find("h1", {"class": "content-title"}).get_text()
# Work in progress -- use URL instead?
# from urllib.parse imprt urlparse
# url = soup.find('link', {'rel': 'canonical'}).get('href')
# parsed_url = urlparse(url)
# # get last part of URL, split it into words, and remove the last word which is some id
# # should be left with
# url_title = parsed_url.path.split("/")[-1].split("-")[:-1]
# url_title = urltitle.split("-")
if title.startswith("Review:"):
title = title.lstrip("Review:")
# if ":" in title:
# artist, album = title.strip().split(": ")
# else:
artist, album = title.strip(), ""
# Reviews are nested <p> in the article-content <div>
# I want to join contents of all <p>s, unescape the HTML, and remove newlines and tabs
review = " ".join([
p.get_text() for p in soup.find("div", {
"class": "article-content"
}).find_all("p")
])
rating = len(soup.select("span.percentage.full"))
if len(soup.select("span.percentage.half")) == 1:
rating += 0.5
if not review:
review = ""
return Review(date=date,
author=author,
rating=rating,
artist=artist,
album=album,
review=review)
return
trainingData = {}
validationData = {}
self.generateKFolds(outdir, trainingData, validationData)
for i in range(1,self.k+1):
print "generating features for fold " + str(i)
trainCorpus = Corpus(trainingData[str(i)], lemmatizer, POS_tagging)
'''this dictionary will be used for both training and validation data'''
dictionary = Dictionary(trainCorpus)
generator = FeatureGenerator(trainCorpus, dictionary, outdir + '/train' + str(i) + '.csv',
weightScheme, includeRating, includeDocLength)
generator.generateFeatures()
validCorpus = Corpus(validationData[str(i)], lemmatizer, POS_tagging);
generator = FeatureGenerator(validCorpus, dictionary, outdir + '/valid' + str(i) + '.csv',
weightScheme, includeRating, includeDocLength)
generator.generateFeatures()
if __name__ == '__main__':
reviews = Review.readReviewsFromXML("../old-training-shuffled.xml")
lemmatizer = nltk.WordNetLemmatizer()
print 'reviews: ' + str(len(reviews))
kfg = KFoldGenerator(reviews, 10)
kfg.generateFolds("../kfolds/linearSVM/unigrams-lemma-POS-tf-no-stop", lemmatizer,
POS_tagging = True, weightScheme = FeatureWeight.TF,
includeRating=False, includeDocLength=False)
