192 lines
8.4 KiB
Python
192 lines
8.4 KiB
Python
"""
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Management utility to create superusers.
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"""
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from __future__ import unicode_literals
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import getpass
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import sys
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from django.contrib.auth import get_user_model
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from django.contrib.auth.management import get_default_username
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from django.contrib.auth.password_validation import validate_password
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from django.core import exceptions
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from django.core.management.base import BaseCommand, CommandError
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from django.db import DEFAULT_DB_ALIAS
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from django.utils.encoding import force_str
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from django.utils.six.moves import input
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from django.utils.text import capfirst
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class NotRunningInTTYException(Exception):
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pass
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class Command(BaseCommand):
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help = 'Used to create a superuser.'
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def __init__(self, *args, **kwargs):
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super(Command, self).__init__(*args, **kwargs)
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self.UserModel = get_user_model()
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self.username_field = self.UserModel._meta.get_field(self.UserModel.USERNAME_FIELD)
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def add_arguments(self, parser):
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parser.add_argument('--%s' % self.UserModel.USERNAME_FIELD,
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dest=self.UserModel.USERNAME_FIELD, default=None,
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help='Specifies the login for the superuser.')
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parser.add_argument('--noinput', '--no-input',
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action='store_false', dest='interactive', default=True,
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help=('Tells Django to NOT prompt the user for input of any kind. '
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'You must use --%s with --noinput, along with an option for '
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'any other required field. Superusers created with --noinput will '
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' not be able to log in until they\'re given a valid password.' %
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self.UserModel.USERNAME_FIELD))
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parser.add_argument('--database', action='store', dest='database',
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default=DEFAULT_DB_ALIAS,
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help='Specifies the database to use. Default is "default".')
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for field in self.UserModel.REQUIRED_FIELDS:
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parser.add_argument('--%s' % field, dest=field, default=None,
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help='Specifies the %s for the superuser.' % field)
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def execute(self, *args, **options):
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self.stdin = options.get('stdin', sys.stdin) # Used for testing
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return super(Command, self).execute(*args, **options)
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def handle(self, *args, **options):
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username = options.get(self.UserModel.USERNAME_FIELD)
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database = options.get('database')
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# If not provided, create the user with an unusable password
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password = None
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user_data = {}
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# Same as user_data but with foreign keys as fake model instances
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# instead of raw IDs.
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fake_user_data = {}
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# Do quick and dirty validation if --noinput
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if not options['interactive']:
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try:
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if not username:
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raise CommandError("You must use --%s with --noinput." %
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self.UserModel.USERNAME_FIELD)
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username = self.username_field.clean(username, None)
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for field_name in self.UserModel.REQUIRED_FIELDS:
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if options.get(field_name):
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field = self.UserModel._meta.get_field(field_name)
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user_data[field_name] = field.clean(options[field_name], None)
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else:
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raise CommandError("You must use --%s with --noinput." % field_name)
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except exceptions.ValidationError as e:
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raise CommandError('; '.join(e.messages))
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else:
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# Prompt for username/password, and any other required fields.
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# Enclose this whole thing in a try/except to catch
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# KeyboardInterrupt and exit gracefully.
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default_username = get_default_username()
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try:
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if hasattr(self.stdin, 'isatty') and not self.stdin.isatty():
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raise NotRunningInTTYException("Not running in a TTY")
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# Get a username
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verbose_field_name = self.username_field.verbose_name
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while username is None:
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input_msg = capfirst(verbose_field_name)
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if default_username:
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input_msg += " (leave blank to use '%s')" % default_username
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username_rel = self.username_field.remote_field
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input_msg = force_str('%s%s: ' % (
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input_msg,
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' (%s.%s)' % (
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username_rel.model._meta.object_name,
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username_rel.field_name
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) if username_rel else '')
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)
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username = self.get_input_data(self.username_field, input_msg, default_username)
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if not username:
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continue
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if self.username_field.unique:
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try:
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self.UserModel._default_manager.db_manager(database).get_by_natural_key(username)
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except self.UserModel.DoesNotExist:
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pass
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else:
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self.stderr.write("Error: That %s is already taken." % verbose_field_name)
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username = None
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for field_name in self.UserModel.REQUIRED_FIELDS:
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field = self.UserModel._meta.get_field(field_name)
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user_data[field_name] = options.get(field_name)
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while user_data[field_name] is None:
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message = force_str('%s%s: ' % (
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capfirst(field.verbose_name),
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' (%s.%s)' % (
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field.remote_field.model._meta.object_name,
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field.remote_field.field_name,
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) if field.remote_field else '',
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))
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input_value = self.get_input_data(field, message)
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user_data[field_name] = input_value
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fake_user_data[field_name] = input_value
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# Wrap any foreign keys in fake model instances
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if field.remote_field:
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fake_user_data[field_name] = field.remote_field.model(input_value)
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# Get a password
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while password is None:
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password = getpass.getpass()
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password2 = getpass.getpass(force_str('Password (again): '))
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if password != password2:
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self.stderr.write("Error: Your passwords didn't match.")
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password = None
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# Don't validate passwords that don't match.
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continue
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if password.strip() == '':
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self.stderr.write("Error: Blank passwords aren't allowed.")
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password = None
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# Don't validate blank passwords.
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continue
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try:
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validate_password(password2, self.UserModel(**fake_user_data))
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except exceptions.ValidationError as err:
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self.stderr.write('\n'.join(err.messages))
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password = None
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except KeyboardInterrupt:
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self.stderr.write("\nOperation cancelled.")
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sys.exit(1)
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except NotRunningInTTYException:
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self.stdout.write(
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"Superuser creation skipped due to not running in a TTY. "
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"You can run `manage.py createsuperuser` in your project "
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"to create one manually."
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)
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if username:
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user_data[self.UserModel.USERNAME_FIELD] = username
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user_data['password'] = password
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self.UserModel._default_manager.db_manager(database).create_superuser(**user_data)
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if options['verbosity'] >= 1:
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self.stdout.write("Superuser created successfully.")
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def get_input_data(self, field, message, default=None):
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"""
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Override this method if you want to customize data inputs or
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validation exceptions.
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"""
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raw_value = input(message)
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if default and raw_value == '':
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raw_value = default
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try:
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val = field.clean(raw_value, None)
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except exceptions.ValidationError as e:
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self.stderr.write("Error: %s" % '; '.join(e.messages))
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val = None
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return val
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