def preprocess_hotel_review(file_contents, file_contents_test):
"""
Hotel review preprocess and truthfulness of the hotel review
:param file_contents:
:param file_contents_test:
"""
raw = clean_html(file_contents)
raw = re.sub(r'IsTruthFul,IsPositive,review', "", raw)
sentence_list = tokenize.line_tokenize(raw)
print sentence_list
truth_sentences = []
false_sentences = []
for sentence in sentence_list:
sent_arr = re.split(r',', sentence)
try:
is_truthful = int(sent_arr[0])
except ValueError:
print "is_truthful is not an integer"
if is_truthful == 1:
truth_sentences.append(sent_arr[2])
elif is_truthful == 0:
false_sentences.append(sent_arr[2])
truth_uni_prob_dict, truth_bi_prob_dict = process_prob(" ".join(truth_sentences))
false_uni_prob_dict, false_bi_prob_dict = process_prob(" ".join(false_sentences))
raw_test = clean_html(file_contents_test)
raw_test = re.sub(r'IsTruthFul,review', "", raw_test)
sentence_list_test = tokenize.line_tokenize(raw_test)
test_list = []
test_truth_false_list = []
truth_count = false_count = i = 0
for sentence in sentence_list_test:
sent_arr = re.split(r',', sentence)
truth_uni_perplex, truth_bi_perplex = perplexity(sent_arr[1], truth_uni_prob_dict, truth_bi_prob_dict)
false_uni_perplex, false_bi_perplex = perplexity(sent_arr[1], false_uni_prob_dict, false_bi_prob_dict)
test_list.append((sent_arr[1], truth_bi_perplex, false_bi_perplex))
truth_or_false = 1 if truth_bi_perplex < false_bi_perplex else 0
#truth_or_false = 1 if truth_uni_perplex < false_uni_perplex else 0
if truth_or_false:
truth_count += 1
else:
false_count += 1
test_truth_false_list.append([i, truth_or_false])
i += 1
import csv
with open("kaggle_sharp.csv", "wb") as f:
writer = csv.writer(f)
writer.writerows([['Id', 'Label']])
writer.writerows(test_truth_false_list)
print test_list
print test_truth_false_list
print truth_count
print false_count
def compare(request):
errors = []
statistics=[]
stats=[]
for x in range(1,3):
cantoname = "canto"+str(x)+".txt"
w=PlaintextCorpusReader("./",cantoname);
w.words();
t=nltk.text.Text(w.words());
l_lines=len(line_tokenize(w.raw()))
l_uwords=len(set(w.words()))
l_words=len(w.words())
l_sents=len(w.sents())
l_paras=len(w.paras())
l_linperpara=l_lines/l_paras
statistics.append(x)
statistics.append("Number of Words - "+ str(l_words))
statistics.append("Number of Unique Words - "+ str(l_uwords))
statistics.append("Number of Setences - "+ str(l_sents))
statistics.append("Number of Lines - "+ str(l_lines))
statistics.append("Number of Paras - "+ str(l_paras))
statistics.append("Number of Lines/Paras - "+ str(l_linperpara))
lexical_density=l_words/l_uwords
l_wordpersent = l_words/l_sents
statistics.append("Lexical Density (Total/Uniq) words- "+ str(lexical_density))
statistics.append("Words per sentence - "+ str(l_wordpersent))
stats.append(statistics)
return render_to_response('compare.html', {'stats':statistics})
def stats(request):
errors = []
statistics=[]
if 'q' in request.GET:
q = request.GET['q']
if not q:
errors.append('Enter a Canto Number')
else:
cantoname = "canto"+q+".txt"
w=PlaintextCorpusReader("./",cantoname);
w.words();
t=nltk.text.Text(w.words());
l_lines=len(line_tokenize(w.raw()))
l_uwords=len(set(w.words()))
l_words=len(w.words())
l_sents=len(w.sents())
l_paras=len(w.paras())
l_linperpara=l_lines/l_paras
statistics.append("Number of Words - "+ str(l_words))
statistics.append("Number of Unique Words - "+ str(l_uwords))
statistics.append("Number of Setences - "+ str(l_sents))
statistics.append("Number of Lines - "+ str(l_lines))
statistics.append("Number of Paras - "+ str(l_paras))
statistics.append("Number of Lines/Paras - "+ str(l_linperpara))
lexical_density=l_words/l_uwords
l_wordpersent = l_words/l_sents
statistics.append("Lexical Density (Total/Uniq) words- "+ str(lexical_density))
statistics.append("Words per sentence - "+ str(l_wordpersent))
return render_to_response('stats.html', {'statistics':statistics})
return render_to_response('stats.html', {'errors': errors})
def parse_corpus(self, corpus_type):
self.corpus_type = '%s.txt' %corpus_type
self.corpus = line_tokenize(PlaintextCorpusReader(CORPUS_PATH, self.corpus_type).raw().lower())
if corpus_type == 'institution':
for line in range(len(self.corpus)):
self.corpus[line] = self.corpus[line].split(',')
return self.corpus
def entries(self, fileids=mwa_ppdb_xxxl_file):
"""
:return: a tuple of synonym word pairs.
"""
return [
tuple(line.split('\t'))
for line in line_tokenize(self.raw(fileids))
]
def __init__(self, doc_dir):
convertion_style = ""
parse = Parser(join(ROOT, 'templates', 'event.xml'))
self._template_metadata = parse.xml_template_metadata()
page = self._template_metadata['page']
self._preparator = Preparator(doc_dir)
self._raw_onepage_doc = self._preparator.raw_text_convertion(page, page, convertion_style)
self._linetokenized_onepage_doc = line_tokenize(self._raw_onepage_doc)
self._clean_onepage_doc = self._raw_onepage_doc.replace('\n', ' ')
self._email_regex = re.compile(r'(\w+[.|\w])*@(\w+[.])*\w+')
def __init__(self, doc_dir):
convertion_style = "-raw"
self._eventextractor = EventExtractor(doc_dir)
parse = Parser(join(ROOT, 'templates', 'periodic.xml'))
self._template_metadata = parse.xml_template_metadata()
page = self._template_metadata['page']
self._preparator = Preparator(doc_dir)
self._raw_onepage_doc = self._preparator.raw_text_convertion(page, page, convertion_style)
self._linetokenized_onepage_doc = line_tokenize(self._raw_onepage_doc)
self._clean_onepage_doc = self._raw_onepage_doc.replace('\n', ' ')
def load_topic_words(topic_file):
""" given a path to a .ts file returns a dictionary of type { string : float }
mapping topic words to their chi square scores """
topic_words_dict = dict()
raw = open(topic_file).read()
lines = line_tokenize(raw)
for line in lines: # no cutoff outside of TopicS 0.1
pair = line.split(" ")
topic_words_dict[pair[0]] = float(pair[1])
return topic_words_dict
def load_topic_words(topic_file):
""" given a path to a .ts file returns a dictionary of type { string : float }
mapping topic words to their chi square scores """
topic_words_dict = dict()
raw = open(topic_file).read()
lines = line_tokenize(raw)
for line in lines: # no cutoff outside of TopicS 0.1
pair = line.split(" ")
topic_words_dict[pair[0]] = float(pair[1])
return topic_words_dict
def __init__(self, doc_dir):
convertion_style = ""
parse = Parser(join(ROOT, 'templates', 'tcc.xml'))
self._template_metadata = parse.xml_template_metadata()
page = self._template_metadata['page']
pages = self._template_metadata['pages']
self._preparator = Preparator(doc_dir)
self._raw_onepage_doc = self._preparator.raw_text_convertion(page, page, convertion_style)
self._raw_variouspages_doc = self._preparator.raw_text_convertion(pages[0], pages[1], convertion_style)
self._linetokenized_onepage_raw_doc = open('%s.txt' %self._preparator.doc_dir).readlines()
self._clean_variouspages_doc = self._raw_variouspages_doc.replace('\n', ' ')
self._linetokenized_onepage_doc = line_tokenize(self._raw_onepage_doc)
self._wordtokenized_onepage_doc = self._preparator.wordtokenized_punctuation_exclusion(self._raw_onepage_doc)
self.linebreak = "\n"
def words(self, lang=None, fileids=None, ignore_lines_startswith='#'):
"""
This module returns a list of nonbreaking prefixes for the specified
language(s).
>>> from nltk.corpus import nonbreaking_prefixes as nbp
>>> nbp.words('en')[:10] == [u'A', u'B', u'C', u'D', u'E', u'F', u'G', u'H', u'I', u'J']
True
>>> nbp.words('ta')[:5] == [u'\u0b85', u'\u0b86', u'\u0b87', u'\u0b88', u'\u0b89']
True
:return: a list words for the specified language(s).
"""
# If *lang* in list of languages available, allocate apt fileid.
# Otherwise, the function returns non-breaking prefixes for
# all languages when fileids==None.
if lang in self.available_langs:
lang = self.available_langs[lang]
fileids = ['nonbreaking_prefix.'+lang]
return [line for line in line_tokenize(self.raw(fileids))
if not line.startswith(ignore_lines_startswith)]
def main():
reader = WordListCorpusReader(path, ['banbagsfb.txt'])
pages = line_tokenize(reader.raw())
thispage = pages[4]
thispage = thispage.raw()
"""
The easiest way to deal with strings in Python that contain escape characters and quotes is to triple double-quote the string (""") and prefix it with r. For example:
my_str = r"""This string would "really "suck"" to write if I didn't
know how to tell Python to parse it as "raw" text with the 'r' character and
triple " quotes. Especially since I want \n to show up as a backlash followed
by n. I don't want \0 to be the null byte either!"""
The r means "take escape characters as literal". The triple double-quotes (""") prevent single-quotes, double-quotes, and double double-quotes from prematurely ending the string.
"""
m = re.search("(\d)", thispage)
thisitem = m.group(0)
m = re.search("(\d\d\D\d\d)", thispage)
thisdate = m.group(0)
starturl = thispage.find('http')
endurl = thispage.find(' ', starturl)-2
thisurl = thispage[starturl:endurl]
soup = BeautifulSoup(thispage)
newpage = soup.findAll(text=True)
html = replace_all(newpage, reps)
html = html[11:len(html)]
postdate = html[0:5]
posttext = html[5:len(html)]
print "post date = " + postdate
print "post text = " + posttext
def replace_all(txt, reps):
for i, j in reps.iteritems():
txt = txt.replace(i, j)
return text
if __name__ == "__main__":
main()
def words(self, fileids=None, ignore_lines_startswith='\n'):
return [line for line in line_tokenize(self.raw(fileids))
if not line.startswith(ignore_lines_startswith)]
# print(file_path)
# print(content)
length = len(content) if content is not None else content
fbar.set_description(f'{file_path}: {length}')
# TYPE
if content is None:
texts = ['']
elif text_type == 'full':
texts = [content]
elif text_type == 'parablank':
texts = []
for p in blankline_tokenize(content):
texts.append(p)
elif text_type == 'paraline':
texts = []
for p in line_tokenize(content):
texts.append(p)
else:
raise NotImplementedError(text_type)
# NORM
if norm_type == 'stem':
texts = [
' '.join(
snow.stem(x) for x in word_tokenize(y)
if x.isalnum() and x.lower() not in stop)
for y in texts
]
elif norm_type == 'lem':
texts = [
' '.join(
morph.parse(x)[0].normal_form
# Load Libraries from nltk.tokenize import line_tokenize sentence = "Peter Piper picked a peck of pickled peppers. A peck of pickled \ peppers, Peter Piper picked !!! If Peter Piper picked a peck of pickled \ peppers, Wheres the peck of pickled peppers Peter Piper picked ?" sent_list = line_tokenize(sentence) print "No sentences = %d"%(len(sent_list)) print "Sentences" for sent in sent_list: print sent # Include new line characters sentence = "Peter Piper picked a peck of pickled peppers. A peck of pickled\n \ peppers, Peter Piper picked !!! If Peter Piper picked a peck of pickled\n \ peppers, Wheres the peck of pickled peppers Peter Piper picked ?" sent_list = line_tokenize(sentence) print "No sentences = %d"%(len(sent_list)) print "Sentences" for sent in sent_list: print sent
def entries(self, fileids=mwa_ppdb_xxxl_file):
"""
:return: a tuple of synonym word pairs.
"""
return [tuple(line.split('\t')) for line in line_tokenize(self.raw(fileids))]
# Load Libraries
from nltk.tokenize import line_tokenize
sentence = "Peter Piper picked a peck of pickled peppers. A peck of pickled \
peppers, Peter Piper picked !!! If Peter Piper picked a peck of pickled \
peppers, Wheres the peck of pickled peppers Peter Piper picked ?"
sent_list = line_tokenize(sentence)
print "No sentences = %d" % (len(sent_list))
print "Sentences"
for sent in sent_list:
print sent
# Include new line characters
sentence = "Peter Piper picked a peck of pickled peppers. A peck of pickled\n \
peppers, Peter Piper picked !!! If Peter Piper picked a peck of pickled\n \
peppers, Wheres the peck of pickled peppers Peter Piper picked ?"
sent_list = line_tokenize(sentence)
print "No sentences = %d" % (len(sent_list))
print "Sentences"
for sent in sent_list:
print sent
print('{0}: {1}, '.format(k, ss[k]), end='')
print()
"""
from nltk.tokenize import sent_tokenize, word_tokenize,line_tokenize
f = open("2012LTinsultsLKML.tsv.txt", "r")
all_text = f.read()
print(all_text)
#for i in word_tokenize(all_text):
# print(i)
print(word_tokenize(all_text))
t_hash = "#"
for i in line_tokenize(all_text):
if t_hash not in i:
print(i)
# preprocessing the text to remove the unwanted part and making the whole text in lowercase
import re
def pre_process(text):
# lowercase
text=text.lower()
#remove tags
text=re.sub("<!--?.*?-->","",text)
"""
# remove special characters and digits
text=re.sub("(\\d|\\W)+"," ",text)
import nltk
from nltk import word_tokenize
from nltk.tokenize import line_tokenize
from nltk.corpus import gutenberg
from nltk.model import build_vocabulary
from nltk.model import count_ngrams
from nltk.model import MLENgramModel
from nltk.model import LidstoneNgramModel
# load doc into memory
raw = open('datasets/WW_Dataset.txt', 'r').read()
print(raw[:75])
tokens = word_tokenize(raw)
print(len(tokens))
lines = line_tokenize(raw)
test_lines = lines[3:5]
test_words = [w for s in test_lines for w in s]
print(test_words[:5])
corpus = [w.lower() for w in tokens]
text = nltk.Text(tokens)
words = [w.lower() for w in tokens]
print(words[:10])
vocab = sorted(set(words))
print(len(vocab))
spl = int(95*len(corpus)/100)
train = text[:spl]
test = text[spl:]
vocab = build_vocabulary(2, words)
bigram_counts = count_ngrams(2, vocab, text)
def words(self, fileids=None):
return line_tokenize(self.raw(fileids))
perplexity(file_contents_test, unigrams_probability_dict, bigrams_probability_dict)
<<<<<<< Updated upstream
def preprocess_hotel_review(file_contents, file_contents_test):
"""
Hotel review preprocess and truthfulness of the hotel review
:param file_contents:
:param file_contents_test:
"""
=======
def truthful_hotel_review(file_contents, file_contents_test):
>>>>>>> Stashed changes
raw = clean_html(file_contents)
raw = re.sub(r'IsTruthFul,IsPositive,review', "", raw)
sentence_list = tokenize.line_tokenize(raw)
#print sentence_list
truth_sentences = []
false_sentences = []
for sentence in sentence_list:
sent_arr = re.split(r',', sentence)
try:
is_truthful = int(sent_arr[0])
except ValueError:
print "is_truthful is not an integer"
if is_truthful == 1:
truth_sentences.append(sent_arr[2])
elif is_truthful == 0:
false_sentences.append(sent_arr[2])
