def _getSources():
all_word_lists = []
for i,f in enumerate(docs_list):
with open(f, 'r') as file:
text = file.read().lower()
text = removeNonAscii(text)
# text = unicode(text , errors='ignore')
sentences = nltk.sent_tokenize(text)
#print self._generate_word_list(sentences)
current_doc_uniq_word_list = list(set(_generate_word_list(sentences)))
con = DB.get_con()
for w in current_doc_uniq_word_list:
if not isNumeric(w) and len(w)>1:
DB.incr_occurrence(w,con)
DB.incr_total_doc_number(con)
con.close()
file.close()
return all_word_lists
