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magic-removal: ManipulatorDescriptor simplification. 

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1753 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Robert Wittams 2005-12-21 00:28:36 +00:00
parent d316f6a8cd
commit fe524625ed
1 changed files with 7 additions and 13 deletions
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20
django/db/models/manipulators.py
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@ -7,6 +7,8 @@ from django.dispatch import dispatcher
from django.db.models import signals from django.db.models import signals
from django.utils.functional import curry from django.utils.functional import curry
import types
def add_manipulators(sender): def add_manipulators(sender):
cls = sender cls = sender
cls.add_to_class('AddManipulator', ModelAddManipulator) cls.add_to_class('AddManipulator', ModelAddManipulator)
@ -33,21 +35,13 @@ class ManipulatorDescriptor(object):
if not self.man: if not self.man:
# Create a class which inherits from the MANIPULATOR class given in the class, # Create a class which inherits from the MANIPULATOR class given in the class,
# and the appropriate automatic manipulator, # and the appropriate automatic manipulator,
class Man(self.get_base_manipulator(type), self.base): bases = [ self.base ]
pass if hasattr(type, 'MANIPULATOR'):
bases = [type.MANIPULATOR] + bases
Man._prepare(type) self.man = types.ClassType(self.name, tuple(bases), {})
Man.__name__ = self.name self.man._prepare(type)
self.man = Man
return self.man return self.man
def get_base_manipulator(self, type):
if hasattr(type, 'MANIPULATOR'):
man = type.MANIPULATOR
else:
man = self.empty
return man
class AutomaticManipulator(Manipulator): class AutomaticManipulator(Manipulator):
def _prepare(cls, model): def _prepare(cls, model):
cls.model = model cls.model = model