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1#! /usr/bin/env python
2
3# See README.txt for information and build instructions.
4
5import addressbook_pb2
6import sys
7
8# This function fills in a Person message based on user input.
9def PromptForAddress(person):
10  person.id = int(raw_input("Enter person ID number: "))
11  person.name = raw_input("Enter name: ")
12
13  email = raw_input("Enter email address (blank for none): ")
14  if email != "":
15    person.email = email
16
17  while True:
18    number = raw_input("Enter a phone number (or leave blank to finish): ")
19    if number == "":
20      break
21
22    phone_number = person.phones.add()
23    phone_number.number = number
24
25    type = raw_input("Is this a mobile, home, or work phone? ")
26    if type == "mobile":
27      phone_number.type = addressbook_pb2.Person.MOBILE
28    elif type == "home":
29      phone_number.type = addressbook_pb2.Person.HOME
30    elif type == "work":
31      phone_number.type = addressbook_pb2.Person.WORK
32    else:
33      print "Unknown phone type; leaving as default value."
34
35# Main procedure:  Reads the entire address book from a file,
36#   adds one person based on user input, then writes it back out to the same
37#   file.
38if len(sys.argv) != 2:
39  print "Usage:", sys.argv[0], "ADDRESS_BOOK_FILE"
40  sys.exit(-1)
41
42address_book = addressbook_pb2.AddressBook()
43
44# Read the existing address book.
45try:
46  with open(sys.argv[1], "rb") as f:
47    address_book.ParseFromString(f.read())
48except IOError:
49  print sys.argv[1] + ": File not found.  Creating a new file."
50
51# Add an address.
52PromptForAddress(address_book.people.add())
53
54# Write the new address book back to disk.
55with open(sys.argv[1], "wb") as f:
56  f.write(address_book.SerializeToString())
57