Created
March 4, 2016 16:53
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Weird type that automatically makes all methods of a class static.
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import re | |
class DaveType(type): | |
not_allowed_attr_names = re.compile('^__\w+__$') | |
@classmethod | |
def _is_allowed_attr_name(cls, name): | |
return not cls.not_allowed_attr_names.match(name) | |
@classmethod | |
def _is_protected(cls, attr): | |
is_allowed_attr_name = cls._is_allowed_attr_name(attr.__name__) | |
if getattr(attr, 'exception', False): | |
return is_allowed_attr_name | |
return not is_allowed_attr_name | |
@classmethod | |
def _is_attr_valid_callable(cls, attr): | |
return ( | |
hasattr(attr, '__call__') and | |
not cls._is_protected(attr) and | |
attr.__name__ != cls.__name__ | |
) | |
def __new__(cls, *args, **kwargs): | |
for k, v in args[2].items(): | |
if cls._is_attr_valid_callable(v): | |
args[2][k] = staticmethod(v) | |
return super(cls, cls).__new__(cls, *args, **kwargs) | |
class MyObject(object): | |
__metaclass__ = DaveType | |
def __init__(self, foo=None): | |
self.foo = foo | |
def my_method(foo, bar): | |
return foo, bar | |
def my_method1(self, foo, bar): | |
return self.foo, foo, bar | |
my_method1.exception = True | |
my_object = MyObject(1) | |
assert my_object.my_method(1, 2) == (1, 2) | |
assert my_object.my_method1(2, 3) == (1, 2, 3) | |
print 'Done' |
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This is a joke, NEVER USE IT!!