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A simple attribution checker implemented as a decorator
attrcheck: attribution checker for Python
Copyright (c) 2011, Jun Namikawa <jnamika@gmail.com>
License: ISC License (ISCL)
This is a simple attribution checker implemented as a decorator for Python.
All functionality are provided as keyword arguments of the decorator.
=== Example ===
from attrcheck import attrcheck
@attrcheck(x=['real'], y=['index', 'strip'], z=dir(list))
def foo(x, y, z=[]): pass
The code above means the following:
def foo(x, y, z=[]):
if not hasattr(x, 'real'):
raise AttributeError
if not hasattr(y, 'index'):
raise AttributeError
if not hasattr(y, 'strip'):
raise AttributeError
for name in dir(list):
if not hasattr(z, name):
raise AttributeError
In addition, attrcheck can check default argument values.
Thus, the following code throws AttributeError.
@attrcheck(y=dir(str))
def bar(x, y=[]): pass
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Last synced: 2021-02-12 10:33:21 UTC
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