def start_read(corpus_path, posting_path, term_dictionary, stemmer):
Parse.set_stop_words_file(corpus_path + "/stop_words.txt")
Parse.copy_stop_words_file(corpus_path + "/stop_words.txt", posting_path + "/stop_words.txt")
directory_corpus = os.fsdecode(corpus_path)
sub_dir_list = os.listdir(directory_corpus)
size = int((len(sub_dir_list)-1) / 10) # read the corpus in 11 parts
if size == 0:
size = 10
idx = 1
counter = 1
ReadFile.__reset()
ReadFile.creat_world_city_dictionary()
for dir in sub_dir_list:
if not dir == "stop_words.txt":
ReadFile.creat_corpus_city_dictionary(corpus_path, dir)
corpus_city_dictionary = {}
city_dic = ReadFile.corpus_city_dictionary
city_list = sorted(city_dic)
for key in city_list:
corpus_city_dictionary[key] = [city_dic[key], {}]
ReadFile.__reset()
sub_dir_list = os.listdir(directory_corpus)
for dir in sub_dir_list:
if not dir == "stop_words.txt":
if counter % size == 0:
docDict = ReadFile.docDictionary
Parse.parse_docs({}, term_dictionary, corpus_city_dictionary, ReadFile.textDic, docDict, idx, stemmer, posting_path)
time = datetime.datetime.now()
ReadFile.__reset()
idx += 1
ReadFile.split_doc(corpus_path, dir)
counter += 1
if not counter % size == 0:
Parse.parse_docs({}, term_dictionary, corpus_city_dictionary, ReadFile.textDic, ReadFile.docDictionary, idx, stemmer, posting_path)
ReadFile.__reset()
if stemmer:
file = open(posting_path + "/city_dictionary_stemmer" + ".pkl", "wb+")
else:
file = open(posting_path + "/city_dictionary" + ".pkl", "wb+")
pickle.dump(corpus_city_dictionary, file, pickle.HIGHEST_PROTOCOL)
file.close()
return idx
