django1/django/core/management/commands/diffsettings.py

49 lines
1.9 KiB
Python

from django.core.management.base import BaseCommand
def module_to_dict(module, omittable=lambda k: k.startswith('_')):
"""Converts a module namespace to a Python dictionary."""
return {k: repr(v) for k, v in module.__dict__.items() if not omittable(k)}
class Command(BaseCommand):
help = """Displays differences between the current settings.py and Django's
default settings. Settings that don't appear in the defaults are
followed by "###"."""
requires_system_checks = False
def add_arguments(self, parser):
parser.add_argument(
'--all', action='store_true', dest='all', default=False,
help='Display all settings, regardless of their value. Default values are prefixed by "###".',
)
parser.add_argument(
'--default', dest='default', metavar='MODULE', default=None,
help=(
"The settings module to compare the current settings against. Leave empty to "
"compare against Django's default settings."
),
)
def handle(self, **options):
# Inspired by Postfix's "postconf -n".
from django.conf import settings, Settings, global_settings
# Because settings are imported lazily, we need to explicitly load them.
settings._setup()
user_settings = module_to_dict(settings._wrapped)
default = options['default']
default_settings = module_to_dict(Settings(default) if default else global_settings)
output = []
for key in sorted(user_settings):
if key not in default_settings:
output.append("%s = %s ###" % (key, user_settings[key]))
elif user_settings[key] != default_settings[key]:
output.append("%s = %s" % (key, user_settings[key]))
elif options['all']:
output.append("### %s = %s" % (key, user_settings[key]))
return '\n'.join(output)