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mixins.py
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mixins.py
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from django.conf import settings
from django.utils.importlib import import_module
def _resolve(mixin_setting):
if isinstance(mixin_setting, basestring):
try:
mod_name, klass_name = mixin_setting.rsplit(".", 1)
except ValueError:
raise Exception("Improperly configured.")
try:
mod = import_module(mod_name)
except ImportError:
raise Exception("Could not import %s" % mod_name)
try:
klass = getattr(mod, klass_name)
except AttributeError:
raise Exception("The module '%s' does not contain '%s'." % (mod_name, klass_name))
mixin_setting = klass
return mixin_setting
class DefaultProtectedMixin(object):
pass
ProtectedMixin = _resolve(
getattr(settings, "ANNOUNCEMENTS_PROTECTED_MIXIN", DefaultProtectedMixin)
)