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"""
Helper function for creating superusers in the authentication system.
If run from the command line, this module lets you create a superuser
interactively.
"""
from django.core import validators
from django.contrib.auth.models import User
import getpass
import os
import sys
def createsuperuser(username=None, email=None, password=None):
"""
Helper function for creating a superuser from the command line. All
arguments are optional and will be prompted-for if invalid or not given.
"""
try:
import pwd
except ImportError:
default_username = ''
else:
# Determine the current system user's username, to use as a default.
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 = ''
try:
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 username.isalnum():
sys.stderr.write("Error: That username is invalid. Use only letters, digits and underscores.\n")
username = None
try:
User.objects.get(username=username)
except User.DoesNotExist:
break
else:
sys.stderr.write("Error: That username is already taken.\n")
username = None
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
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)
u = User.objects.create_user(username, email, password)
u.is_staff = True
u.is_active = True
u.is_superuser = True
u.save()
print "Superuser created successfully."
if __name__ == "__main__":
createsuperuser()
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