Fixed #35429 -- Added argparse choices to --database options.

django/contrib/auth/management/commands/changepassword.py

@@ -4,7 +4,7 @@ from django.contrib.auth import get_user_model
 from django.contrib.auth.password_validation import validate_password
 from django.core.exceptions import ValidationError
 from django.core.management.base import BaseCommand, CommandError
-from django.db import DEFAULT_DB_ALIAS
+from django.db import DEFAULT_DB_ALIAS, connections
 
 UserModel = get_user_model()
 
@@ -32,6 +32,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help='Specifies the database to use. Default is "default".',
         )
 

django/contrib/auth/management/commands/createsuperuser.py

@@ -11,7 +11,7 @@ from django.contrib.auth.management import get_default_username
 from django.contrib.auth.password_validation import validate_password
 from django.core import exceptions
 from django.core.management.base import BaseCommand, CommandError
-from django.db import DEFAULT_DB_ALIAS
+from django.db import DEFAULT_DB_ALIAS, connections
 from django.utils.functional import cached_property
 from django.utils.text import capfirst
 
@@ -56,6 +56,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help='Specifies the database to use. Default is "default".',
         )
         for field_name in self.UserModel.REQUIRED_FIELDS:

django/contrib/contenttypes/management/commands/remove_stale_contenttypes.py

@@ -3,7 +3,7 @@ import itertools
 from django.apps import apps
 from django.contrib.contenttypes.models import ContentType
 from django.core.management import BaseCommand
-from django.db import DEFAULT_DB_ALIAS, router
+from django.db import DEFAULT_DB_ALIAS, connections, router
 from django.db.models.deletion import Collector
 
 
@@ -21,6 +21,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help='Nominates the database to use. Defaults to the "default" database.',
         )
         parser.add_argument(

django/core/management/commands/check.py

@@ -2,6 +2,7 @@ from django.apps import apps
 from django.core import checks
 from django.core.checks.registry import registry
 from django.core.management.base import BaseCommand, CommandError
+from django.db import connections
 
 
 class Command(BaseCommand):
@@ -43,6 +44,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             action="append",
+            choices=tuple(connections),
             dest="databases",
             help="Run database related checks against these aliases.",
         )

django/core/management/commands/createcachetable.py

@@ -30,6 +30,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help="Nominates a database onto which the cache tables will be "
             'installed. Defaults to the "default" database.',
         )

django/core/management/commands/dbshell.py

@@ -16,6 +16,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help=(
                 "Nominates a database onto which to open a shell. Defaults to the "
                 '"default" database.'

django/core/management/commands/dumpdata.py

@@ -6,7 +6,7 @@ from django.apps import apps
 from django.core import serializers
 from django.core.management.base import BaseCommand, CommandError
 from django.core.management.utils import parse_apps_and_model_labels
-from django.db import DEFAULT_DB_ALIAS, router
+from django.db import DEFAULT_DB_ALIAS, connections, router
 
 try:
     import bz2
@@ -56,6 +56,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help="Nominates a specific database to dump fixtures from. "
             'Defaults to the "default" database.',
         )

django/core/management/commands/flush.py

@@ -25,6 +25,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help='Nominates a database to flush. Defaults to the "default" database.',
         )
 

django/core/management/commands/inspectdb.py

@@ -25,6 +25,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help=(
                 'Nominates a database to introspect. Defaults to using the "default" '
                 "database."

django/core/management/commands/loaddata.py

@@ -55,6 +55,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help=(
                 "Nominates a specific database to load fixtures into. Defaults to the "
                 '"default" database.'

django/core/management/commands/migrate.py

@@ -47,6 +47,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help=(
                 'Nominates a database to synchronize. Defaults to the "default" '
                 "database."

django/core/management/commands/showmigrations.py

@@ -19,6 +19,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help=(
                 "Nominates a database to show migrations for. Defaults to the "
                 '"default" database.'

django/core/management/commands/sqlflush.py

@@ -16,6 +16,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help=(
                 'Nominates a database to print the SQL for. Defaults to the "default" '
                 "database."

django/core/management/commands/sqlmigrate.py

@@ -19,6 +19,7 @@ class Command(BaseCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help=(
                 'Nominates a database to create SQL for. Defaults to the "default" '
                 "database."

django/core/management/commands/sqlsequencereset.py

@@ -14,6 +14,7 @@ class Command(AppCommand):
         parser.add_argument(
             "--database",
             default=DEFAULT_DB_ALIAS,
+            choices=tuple(connections),
             help=(
                 'Nominates a database to print the SQL for. Defaults to the "default" '
                 "database."

tests/admin_scripts/tests.py

@@ -2301,6 +2301,35 @@ class Discovery(SimpleTestCase):
             self.assertEqual(out.getvalue().strip(), "simple_app")
 
 
+class CommandDBOptionChoiceTests(SimpleTestCase):
+    def test_invalid_choice_db_option(self):
+        expected_error = (
+            "Error: argument --database: invalid choice: "
+            "'deflaut' (choose from 'default', 'other')"
+        )
+        args = [
+            "changepassword",
+            "createsuperuser",
+            "remove_stale_contenttypes",
+            "check",
+            "createcachetable",
+            "dbshell",
+            "flush",
+            "dumpdata",
+            "inspectdb",
+            "loaddata",
+            "showmigrations",
+            "sqlflush",
+            "sqlmigrate",
+            "sqlsequencereset",
+            "migrate",
+        ]
+
+        for arg in args:
+            with self.assertRaisesMessage(CommandError, expected_error):
+                call_command(arg, "--database", "deflaut", verbosity=0)
+
+
 class ArgumentOrder(AdminScriptTestCase):
     """Tests for 2-stage argument parsing scheme.