#
# main.py
# Copyleft 2014 Yuzo(PillowSky) <*****@*****.**>
# Compatible with python3 and pypy
#
# require PyQuery which depend on cssselect, so I pack it in the project to ensure running normally on other computers
import os.path
from datetime import datetime
from Spider import Spider
print("==Welcome to search engine for ZOJ==")
if(os.path.isfile("data.db")):
spider = Spider()
print("Local database is update on %s" % datetime.fromtimestamp(os.path.getmtime("data.db")))
print("Database have %s problems stored now" % spider.getItemsCount())
else:
print("Local database hasn't build")
spider = Spider()
print("\nUsage:")
print("[1] update the local database in serial")
print("[2] update the local database in parallel")
print("[3] search problems about Matrix")
print("[4] search generic problems")
choice = raw_input()
if(choice == str(1)) :
spider.serialFetchAllProblems()
else:
if(choice == str(2)):
