还没有写完准备弡上cpickle 还有字典

#!/usr/bin/python

#Filename: cpickle.py

import cPickle as p

import os

shoplistfile="shoplist.data"

storedlist={}

def menu():

	running=True

	try:

		while running:

			try:

				f=file(shoplistfile)

				storedlist=p.load(f)

				command=raw_input("Please input command: ")

				if command=="help":

					help()

				elif command=="add":

					add(storedlist)

				elif command=="delete":

					delete(storedlist)

				elif command=="update":

					update(storedlist)

				elif command=="select":

					select(storedlist)

				elif command=="quit":

					running=False

				elif command=='show':

					show(storedlist)

				else:

					print "ERROR, please input help!"

			finally:

				f.close()

		else:

			print "Done"

	except EOFError:

		print "QUIT"

	except KeyboardInterrupt:

		print "Q"

	finally:

		print "DONE"

def show(storedlist):

	print '-'*40

	for (k,v) in storedlist.items():

		print '%s \t'%k,v

		print '-'*40

def add(storedlist):

	try:

		username=raw_input("Please input add username:")

		# print storedlist

		# print username

		if(storedlist.has_key(username)):

			print "Username Exist!!"

			return 0

		emailbox=raw_input("Please input add email:")

		storedlist[username]=emailbox

	except:

		print "err add"

	finally:

		write(storedlist)

def select(storedlist):

	try:

		username=raw_input("Please input select username:")

		if storedlist.has_key(username):

			print storedlist[username]

		else:

			print 'Username not find!!'

			return 0

	except:

		print "err select"

	finally:

		write(storedlist)

def delete(storedlist):

	try:

		username=raw_input("Please input delete username:")

		if storedlist.has_key(username):

			print storedlist[username]

		else:

			print 'Username not find!!'

			return 0

		storedlist.pop(username)

	except:

		print "err delete"

	finally:

		write(storedlist)

def update(storedlist):

	try:

		#not key ?

		username=raw_input("Please input update username:")

		if storedlist.has_key(username):

			print storedlist[username]

		else:

			print 'Username not find!!'

			return 0

		emailbox=raw_input("Please input update email:")

		storedlist[username]=emailbox

	except:

		print "err update"

	finally:

		write(storedlist)

def write(stored):

	f=file(shoplistfile,'w')

	p.dump(stored,f)

	f.close()

def index():

	if os.path.exists(shoplistfile):

		menu()

	else:

		print 'Contacts not find!'

		print 'Create Contacts...'

		create_con()

def create_con():

	shoplist={}

	try:

		f=file(shoplistfile,'w')

		p.dump(shoplist,f)

	except IOError:

		print 'find not file!!'

	finally:

		f.close()

		menu()

def help():

	"""

	------------------------

	==>>help

	==>>add < username email >

	==>>delete < username >

	==>>update < username newemail >

	==>>select < username >

	==>>quit

	------------------------"""

	print help.__doc__

if __name__=='__main__':

	index()