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"""
Management utility to create superusers.
"""
import getpass
import os
import re
import sys
from optparse import make_option
from django.contrib.auth.models import User
from django.core import validators
from django.core.management.base import BaseCommand, CommandError
RE_VALID_USERNAME = re.compile('\w+$')
class Command(BaseCommand):
option_list = BaseCommand.option_list + (
make_option('--username', dest='username', default=None,
help='Specifies the username for the superuser.'),
make_option('--email', dest='email', default=None,
help='Specifies the email address for the superuser.'),
make_option('--noinput', action='store_false', dest='interactive', default=True,
help='Tells Django to NOT prompt the user for input of any kind. ' \
'You must use --username and --email with --noinput, and ' \
'superusers created with --noinput will not be able to log in ' \
'until they\'re given a valid password.'),
)
help = 'Used to create a superuser.'
def handle(self, *args, **options):
username = options.get('username', None)
email = options.get('email', None)
interactive = options.get('interactive')
# Do quick and dirty validation if --noinput
if not interactive:
if not username or not email:
raise CommandError("You must use --username and --email with --noinput.")
if not RE_VALID_USERNAME.match(username):
raise CommandError("Invalid username. Use only letters, digits, and underscores")
try:
validators.isValidEmail(email, None)
except validators.ValidationError:
raise CommandError("Invalid email address.")
password = ''
# Try to determine the current system user's username to use as a default.
try:
import pwd
except ImportError:
default_username = ''
else:
default_username = pwd.getpwuid(os.getuid())[0].replace(' ', '').lower()
# Determine whether the default username is taken, so we don't display
# it as an option.
if default_username:
try:
User.objects.get(username=default_username)
except User.DoesNotExist:
pass
else:
default_username = ''
# Prompt for username/email/password. Enclose this whole thing in a
# try/except to trap for a keyboard interrupt and exit gracefully.
if interactive:
try:
# Get a username
while 1:
if not username:
input_msg = 'Username'
if default_username:
input_msg += ' (Leave blank to use %r)' % default_username
username = raw_input(input_msg + ': ')
if default_username and username == '':
username = default_username
if not RE_VALID_USERNAME.match(username):
sys.stderr.write("Error: That username is invalid. Use only letters, digits and underscores.\n")
username = None
continue
try:
User.objects.get(username=username)
except User.DoesNotExist:
break
else:
sys.stderr.write("Error: That username is already taken.\n")
username = None
# Get an email
while 1:
if not email:
email = raw_input('E-mail address: ')
try:
validators.isValidEmail(email, None)
except validators.ValidationError:
sys.stderr.write("Error: That e-mail address is invalid.\n")
email = None
else:
break
# Get a password
while 1:
if not password:
password = getpass.getpass()
password2 = getpass.getpass('Password (again): ')
if password != password2:
sys.stderr.write("Error: Your passwords didn't match.\n")
password = None
continue
if password.strip() == '':
sys.stderr.write("Error: Blank passwords aren't allowed.\n")
password = None
continue
break
except KeyboardInterrupt:
sys.stderr.write("\nOperation cancelled.\n")
sys.exit(1)
User.objects.create_superuser(username, email, password)
print "Superuser created successfully."
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