Google Contacts to vCard

#!/usr/bin/python
# -*- coding: utf-8 -*-

## Librairies import ##
from re import sub
from os import chdir
## Require gdata-python-client library
# wget http://gdata-python-client.googlecode.com/files/gdata-2.0.17.zip
# tar -xzvf gdata-2.0.17.tar.gz
# cd gdata-2.0.17/
# ./setup.py install
import gdata.contacts.client

## Credentials ##
login = 'example.address' # For example.address@gmail.com
password = 'YourTopSecretPassword'

## Connection ##
gd_client = gdata.contacts.client.ContactsClient(source='test_python_import')
gd_client.ClientLogin(login + '@gmail.com', password, gd_client.source)

## Contact data request ##
query = gdata.contacts.client.ContactsQuery()
# Assuming you have less than 1000 contacts...
query.max_results = 1000
# Filter for contact group 'My Contacts'
query.group = 'http://www.google.com/m8/feeds/groups/' + login + '%40gmail.com/base/6'
feed = gd_client.GetContacts(q = query)

# Change working directory
chdir('/home/username')
# Open output file
out_file = open('gContacts.vcf', 'w')
## Write contact data in vCard format in the output file ##
for i, entry in enumerate(feed.entry):
        out_file.write('BEGIN:VCARD\nVERSION:3.0\n')
    # Get last name and firt name
        if entry.name.family_name and entry.name.given_name:
                out_file.write('N:%s;%s\n' % (entry.name.family_name.text.encode('utf-8'), entry.name.given_name.text.encode('utf-8')))
    # Get full name
        out_file.write('FN:%s\n' % (entry.name.full_name.text.encode('utf-8')))
    # Get all email addresses of the contact
        for email in entry.email:
                if email:
                        out_file.write('EMAIL;TYPE=INTERNET:%s\n' % (email.address.encode('utf-8')))
    # Get all phone numbers
        for phone in entry.phone_number:
                if phone:
            phone.text = sub(' ', '', phone.text) # Strip space
                        out_file.write('TEL:%s\n' % (phone.text.encode('utf-8')))
        out_file.write('END:VCARD\n')
# Close output file
out_file.close()