Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-31 21:51:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

Issue #2116: Weak references and weak dictionaries now support copy()ing and deepcopy()ing.

Browse source
This commit is contained in:
Antoine Pitrou 2009-05-15 16:54:52 +00:00
parent 52035a04ab
commit 775fd66d7b
4 changed files with 116 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

22
Lib/weakref.py
View file

@ -85,6 +85,17 @@ def copy(self):
new[key] = o
return new
__copy__ = copy
def __deepcopy__(self, memo):
from copy import deepcopy
new = self.__class__()
for key, wr in self.data.items():
o = wr()
if o is not None:
new[deepcopy(key, memo)] = o
return new
def get(self, key, default=None):
try:
wr = self.data[key]
@ -256,6 +267,17 @@ def copy(self):
new[o] = value
return new
__copy__ = copy
def __deepcopy__(self, memo):
from copy import deepcopy
new = self.__class__()
for key, value in self.data.items():
o = key()
if o is not None:
new[o] = deepcopy(value, memo)
return new
def get(self, key, default=None):
return self.data.get(ref(key),default)