From 692b340092c603e21f43d4116b2cc24d14fc8b04 Mon Sep 17 00:00:00 2001 From: Yury Selivanov Date: Thu, 14 May 2015 18:20:01 -0400 Subject: inspect: Micro-optimize __eq__ for Signature, Parameter and BoundArguments Provide __ne__ method for consistency. --- Lib/inspect.py | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/Lib/inspect.py b/Lib/inspect.py index 9f4d005..ef2407c 100644 --- a/Lib/inspect.py +++ b/Lib/inspect.py @@ -2353,11 +2353,15 @@ class Parameter: return hash((self.name, self.kind, self.annotation, self.default)) def __eq__(self, other): - return (issubclass(other.__class__, Parameter) and - self._name == other._name and - self._kind == other._kind and - self._default == other._default and - self._annotation == other._annotation) + return (self is other or + (issubclass(other.__class__, Parameter) and + self._name == other._name and + self._kind == other._kind and + self._default == other._default and + self._annotation == other._annotation)) + + def __ne__(self, other): + return not self.__eq__(other) class BoundArguments: @@ -2441,9 +2445,13 @@ class BoundArguments: return kwargs def __eq__(self, other): - return (issubclass(other.__class__, BoundArguments) and - self.signature == other.signature and - self.arguments == other.arguments) + return (self is other or + (issubclass(other.__class__, BoundArguments) and + self.signature == other.signature and + self.arguments == other.arguments)) + + def __ne__(self, other): + return not self.__eq__(other) def __setstate__(self, state): self._signature = state['_signature'] @@ -2663,8 +2671,12 @@ class Signature: return hash((params, kwo_params, return_annotation)) def __eq__(self, other): - return (isinstance(other, Signature) and - self._hash_basis() == other._hash_basis()) + return (self is other or + (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): """Private method. Don't use directly.""" -- cgit v0.12