[Python-checkins] cpython (3.5): Issue #28649: fix first issue with _ForwardRef (#327)
guido.van.rossum
python-checkins at python.org
Thu Nov 10 11:28:21 EST 2016
https://hg.python.org/cpython/rev/0da2e381ad71
changeset: 105033:0da2e381ad71
branch: 3.5
parent: 105030:ba59f3328032
user: Guido van Rossum <guido at python.org>
date: Thu Nov 10 08:24:06 2016 -0800
summary:
Issue #28649: fix first issue with _ForwardRef (#327)
files:
Lib/typing.py | 13 +++----------
1 files changed, 3 insertions(+), 10 deletions(-)
diff --git a/Lib/typing.py b/Lib/typing.py
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -201,8 +201,7 @@
"""Wrapper to hold a forward reference."""
__slots__ = ('__forward_arg__', '__forward_code__',
- '__forward_evaluated__', '__forward_value__',
- '__forward_frame__')
+ '__forward_evaluated__', '__forward_value__')
def __init__(self, arg):
super().__init__(arg)
@@ -217,12 +216,6 @@
self.__forward_code__ = code
self.__forward_evaluated__ = False
self.__forward_value__ = None
- typing_globals = globals()
- frame = sys._getframe(1)
- while frame is not None and frame.f_globals is typing_globals:
- frame = frame.f_back
- assert frame is not None
- self.__forward_frame__ = frame
def _eval_type(self, globalns, localns):
if not self.__forward_evaluated__:
@@ -242,10 +235,10 @@
if not isinstance(other, _ForwardRef):
return NotImplemented
return (self.__forward_arg__ == other.__forward_arg__ and
- self.__forward_frame__ == other.__forward_frame__)
+ self.__forward_value__ == other.__forward_value__)
def __hash__(self):
- return hash((self.__forward_arg__, self.__forward_frame__))
+ return hash((self.__forward_arg__, self.__forward_value__))
def __instancecheck__(self, obj):
raise TypeError("Forward references cannot be used with isinstance().")
--
Repository URL: https://hg.python.org/cpython
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