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from optparse import make_option
from django.core.management.base import NoArgsCommand
def module_to_dict(module, omittable=lambda k: k.startswith('_')):
"""Converts a module namespace to a Python dictionary."""
return dict((k, repr(v)) for k, v in module.__dict__.items() if not omittable(k))
class Command(NoArgsCommand):
help = """Displays differences between the current settings.py and Django's
default settings. Settings that don't appear in the defaults are
followed by "###"."""
option_list = NoArgsCommand.option_list + (
make_option('--all', action='store_true', dest='all', default=False,
help='Display all settings, regardless of their value. '
'Default values are prefixed by "###".'),
)
requires_system_checks = False
def handle_noargs(self, **options):
# Inspired by Postfix's "postconf -n".
from django.conf import settings, global_settings
# Because settings are imported lazily, we need to explicitly load them.
settings._setup()
user_settings = module_to_dict(settings._wrapped)
default_settings = module_to_dict(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)
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