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Simplify dynamic spec definitions

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Use a closure instead of an attribute to store the class attrs.
This commit is contained in:
Matthew Tretter 2012-12-05 23:38:10 -05:00
parent c45876f95c
commit 042bdcefb6
1 changed files with 8 additions and 10 deletions
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18
imagekit/specs/__init__.py
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@ -144,9 +144,14 @@ class ImageSpec(BaseImageSpec):
def create_spec_class(class_attrs):
cls = type('Spec', (DynamicSpec,), class_attrs)
cls._spec_attrs = class_attrs
return cls
class DynamicSpecBase(ImageSpec):
def __reduce__(self):
kwargs = dict(self.kwargs)
kwargs['source_file'] = self.source_file
return (create_spec, (class_attrs, kwargs))
return type('DynamicSpec', (DynamicSpecBase,), class_attrs)
def create_spec(class_attrs, kwargs):
@ -154,13 +159,6 @@ def create_spec(class_attrs, kwargs):
return cls(**kwargs)
class DynamicSpec(ImageSpec):
def __reduce__(self):
kwargs = dict(self.kwargs)
kwargs['source_file'] = self.source_file
return (create_spec, (self._spec_attrs, kwargs))
class SpecHost(object):
"""
An object that ostensibly has a spec attribute but really delegates to the