protobuf/examples/add_person.py
2022-06-09 15:52:50 -07:00

64 lines
1.7 KiB
Python
Executable File

#! /usr/bin/env python
# See README.md for information and build instructions.
import addressbook_pb2
import sys
try:
raw_input # Python 2
except NameError:
raw_input = input # Python 3
# This function fills in a Person message based on user input.
def PromptForAddress(person):
person.id = int(raw_input("Enter person ID number: "))
person.name = raw_input("Enter name: ")
email = raw_input("Enter email address (blank for none): ")
if email != "":
person.email = email
while True:
number = raw_input("Enter a phone number (or leave blank to finish): ")
if number == "":
break
phone_number = person.phones.add()
phone_number.number = number
type = raw_input("Is this a mobile, home, or work phone? ")
if type == "mobile":
phone_number.type = addressbook_pb2.Person.MOBILE
elif type == "home":
phone_number.type = addressbook_pb2.Person.HOME
elif type == "work":
phone_number.type = addressbook_pb2.Person.WORK
else:
print("Unknown phone type; leaving as default value.")
# Main procedure: Reads the entire address book from a file,
# adds one person based on user input, then writes it back out to the same
# file.
if len(sys.argv) != 2:
print("Usage:", sys.argv[0], "ADDRESS_BOOK_FILE")
sys.exit(-1)
address_book = addressbook_pb2.AddressBook()
# Read the existing address book.
try:
with open(sys.argv[1], "rb") as f:
address_book.ParseFromString(f.read())
except IOError:
print(sys.argv[1] + ": File not found. Creating a new file.")
# Add an address.
PromptForAddress(address_book.people.add())
# Write the new address book back to disk.
with open(sys.argv[1], "wb") as f:
f.write(address_book.SerializeToString())