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• django-mysql-master
  • .github
    • ISSUE_TEMPLATE.md
    • workflows
      • main.yml
  • src
    • django_mysql
      • apps.py
      • cache.py
      • exceptions.py
      • locks.py
      • test
        • __init__.py
        • utils.py
      • models
        • handler.py
        • expressions.py
        • functions.py
        • fields
          • lists.py
          • sizes.py
          • bit.py
          • sets.py
          • dynamic.py
          • __init__.py
          • enum.py
          • json.py
        • query.py
        • __init__.py
        • lookups.py
        • transforms.py
        • aggregates.py
        • base.py
      • forms.py
      • __init__.py
      • utils.py
      • validators.py
      • rewrite_query.py
      • compat.py
      • checks.py
      • status.py
      • management
        • commands
          • dbparams.py
          • fix_datetime_columns.py
          • cull_mysql_caches.py
          • mysql_cache_migration.py
          • __init__.py
        • __init__.py
      • operations.py
  • LICENSE
  • .readthedocs.yml
  • .editorconfig
  • README.rst
  • setup.py
  • setup.cfg
  • HISTORY.rst
  • CONTRIBUTING.rst
  • tests
    • db_backend
      • __init__.py
      • base.py
    • testapp
      • test_checks.py
      • set_default_migrations
        • 0002_add_some_fields.py
        • 0001_initial.py
        • __init__.py
      • sizedbinaryfield_migrations
        • 0001_initial.py
        • __init__.py
        • 0002_alter_field.py
      • test_utils.py
      • test_cache.py
      • routers.py
      • test_jsonfield.py
      • test_test_utils.py
      • test_operations.py
      • enum_default_migrations
        • 0003_remove_some_fields.py
        • 0002_add_some_fields.py
        • 0001_initial.py
        • __init__.py
      • test_setcharfield.py
      • test_size_fields.py
      • test_forms.py
      • models.py
      • test_models.py
      • test_dynamicfield.py
      • test_handler.py
      • test_listtextfield.py
      • test_enumfield.py
      • test_rewrite_query.py
      • test_bit1_field.py
      • test_status.py
      • test_functions.py
      • list_default_migrations
        • 0002_add_some_fields.py
        • 0001_initial.py
        • __init__.py
      • __init__.py
      • utils.py
      • test_locks.py
      • test_listcharfield.py
      • sizedtextfield_migrations
        • 0001_initial.py
        • __init__.py
        • 0002_alter_field.py
      • test_aggregates.py
      • test_lookups.py
      • test_settextfield.py
      • management
        • commands
          • test_fix_datetime_columns.py
          • test_dbparams.py
          • __init__.py
        • __init__.py
    • urls.py
    • __init__.py
    • settings.py
    • conftest.py
  • pytest.ini
  • pyproject.toml
  • .gitignore
  • docs
    • history.rst
    • cache.rst
    • Makefile
    • utilities.rst
    • make.bat
    • queryset_extensions.rst
    • exceptions.rst
    • database_functions.rst
    • field_lookups.rst
    • migration_operations.rst
    • form_fields.rst
    • images
    • exposition.rst
    • aggregates.rst
    • checks.rst
    • management_commands
      • fix_datetime_columns.rst
      • dbparams.rst
      • index.rst
    • validators.rst
    • test_utilities.rst
    • requirements.txt
    • index.rst
    • conf.py
    • locks.rst
    • status.rst
    • _static
      • favicon.ico
    • contributing.rst
    • installation.rst
    • model_fields
      • enum_field.rst
      • list_fields.rst
      • set_fields.rst
      • resizable_text_binary_fields.rst
      • index.rst
      • null_bit1_boolean_fields.rst
      • dynamic_field.rst
      • json_field.rst
  • requirements
    • py36-django31.txt
    • py38-django31.txt
    • py37-django30.txt
    • py37-django31.txt
    • py38-django30.txt
    • py36-django30.txt
    • py39-django31.txt
    • py38-django22.txt
    • py36-django22.txt
    • py39-django30.txt
    • py39-django22.txt
    • py37-django22.txt
    • requirements.in
    • compile.py
    • py35-django22.txt
  • MANIFEST.in
  • tox.ini

from django.conf import settings
from django.core.cache import InvalidCacheBackendError, caches
from django.core.management import BaseCommand, CommandError

from django_mysql.cache import MySQLCache
from django_mysql.utils import collapse_spaces


class Command(BaseCommand):
    args = "<optional cache aliases>"

    help = collapse_spaces(
        """
        Runs cache.cull() on all your MySQLCache caches, or only those
        specified aliases.
    """
    )

    def add_arguments(self, parser):
        parser.add_argument(
            "aliases",
            metavar="aliases",
            nargs="*",
            help="Specify the cache alias(es) to cull.",
        )

    def handle(self, *args, **options):
        verbosity = options.get("verbosity")

        aliases = set(options["aliases"])

        if not aliases:
            aliases = settings.CACHES

        for alias in aliases:
            try:
                cache = caches[alias]
            except InvalidCacheBackendError:
                raise CommandError("Cache '{}' does not exist".format(alias))

            if not isinstance(cache, MySQLCache):  # pragma: no cover
                continue

            if verbosity >= 1:
                self.stdout.write(
                    "Deleting from cache '{}'... ".format(alias), ending=""
                )
            num_deleted = cache.cull()
            if verbosity >= 1:
                self.stdout.write("{} entries deleted.".format(num_deleted))