def buildEmailText(requests, rebuild = 1, stemmer='PorterStemmer', vectorizer='TfidfVectorizer', num_features = None):
rawText = {}
output = {}
if rebuild:
for i in range(0, 54):
data_file = data_directory + 'email_text/email_text_tmp_test_' + str(i) + '.txt'
print "Reading data from %s" % data_file
emails = read_email_file(data_file)
# for req_id in emails:
# text = emails[req_id]
# rawText{req_id}, text])
rawText.update(emails)
f = open('pickle_data/rawEmailText.pkl', 'w')
pickle.dump(rawText, f)
f.close()
else:
f = open('pickle_data/rawEmailText.pkl', 'r')
rawText = pickle.load(f)
f.close()
requests_only = select_data(requests, 0)
requests_only = [[int(req_id)] for req_id in requests_only]
append_data(requests_only, rawText)
for row in requests_only:
if len(row) < 2:
row.append("")
rawText = [row[1] for row in requests_only]
print "New Raw Text Array %i" % len(rawText)
print "Got data from files: "
print len(rawText)
return preProcessText(rawText, stemmer=stemmer, vectorizer=vectorizer, num_features=num_features)
stemmer = LancasterStemmer()
elif stemmer_type == 'RegexpStemmer':
stemmer = RegexpStemmer('ing$|s$|e$', min=3)
for word in word_list:
stemmed_words.append(stemmer.stem(word))
return stemmed_words
if __name__ == "__main__":
final_out = {}
for i in range(0, 44):
data_file = data_directory + 'email_text/email_text_tmp_test_' + str(i) + '.txt'
print "Reading data from %s" % data_file
emails = read_email_file(data_file)
for req_id in emails:
text = emails[req_id]
tokens = word_tokenize(text)
tokens = [str(t).lower() for t in tokens]
remove_stopwords(tokens)
stemmed_words = stemming(tokens, 'PorterStemmer')
final_out[req_id] = ' '.join(stemmed_words)
i+=1
f = open('testEmailText.pkl', 'w')
pickle.dump(final_out, f)
f.close()
