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inspect: Micro-optimize __eq__ for Signature, Parameter and BoundArguments 

Provide __ne__ method for consistency.
This commit is contained in:
Yury Selivanov 2015-05-14 18:20:01 -04:00
parent 8aad7f27a4
commit 692b340092
1 changed files with 22 additions and 10 deletions
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32
Lib/inspect.py
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@ -2353,11 +2353,15 @@ class Parameter:
return hash((self.name, self.kind, self.annotation, self.default)) return hash((self.name, self.kind, self.annotation, self.default))
def __eq__(self, other): def __eq__(self, other):
return (issubclass(other.__class__, Parameter) and return (self is other or
self._name == other._name and (issubclass(other.__class__, Parameter) and
self._kind == other._kind and self._name == other._name and
self._default == other._default and self._kind == other._kind and
self._annotation == other._annotation) self._default == other._default and
self._annotation == other._annotation))
def __ne__(self, other):
return not self.__eq__(other)
class BoundArguments: class BoundArguments:
@ -2441,9 +2445,13 @@ class BoundArguments:
return kwargs return kwargs
def __eq__(self, other): def __eq__(self, other):
return (issubclass(other.__class__, BoundArguments) and return (self is other or
self.signature == other.signature and (issubclass(other.__class__, BoundArguments) and
self.arguments == other.arguments) self.signature == other.signature and
self.arguments == other.arguments))
def __ne__(self, other):
return not self.__eq__(other)
def __setstate__(self, state): def __setstate__(self, state):
self._signature = state['_signature'] self._signature = state['_signature']
@ -2663,8 +2671,12 @@ class Signature:
return hash((params, kwo_params, return_annotation)) return hash((params, kwo_params, return_annotation))
def __eq__(self, other): def __eq__(self, other):
return (isinstance(other, Signature) and return (self is other or
self._hash_basis() == other._hash_basis()) (isinstance(other, Signature) and
self._hash_basis() == other._hash_basis()))
def __ne__(self, other):
return not self.__eq__(other)
def _bind(self, args, kwargs, *, partial=False): def _bind(self, args, kwargs, *, partial=False):
"""Private method. Don't use directly.""" """Private method. Don't use directly."""