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added parent_stmt to fast_parent_copy, which makes the method more reliable

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This commit is contained in:
David Halter
2012-08-29 23:42:18 +02:00
parent 73f341866c
commit a33160eb25
1 changed files with 9 additions and 3 deletions
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12
helpers.py
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@@ -1,6 +1,7 @@
import copy
import weakref
from _compatibility import hasattr
import parsing
import evaluate
import debug
@@ -145,10 +146,9 @@ def fast_parent_copy(obj):
def recursion(obj):
new_obj = copy.copy(obj)
new_elements[obj] = new_obj
#print new_obj.__dict__
for key, value in new_obj.__dict__.items():
#if key in ['_parent_stmt', 'parent_stmt', '_parent', 'parent']: print key, value
if key in ['parent', '_parent']:
if key in ['parent', '_parent', '_parent_stmt', 'parent_stmt']:
continue
if isinstance(value, list):
new_obj.__dict__[key] = list_rec(value)
@@ -161,6 +161,12 @@ def fast_parent_copy(obj):
except KeyError:
pass
if hasattr(obj, 'parent_stmt') and obj.parent_stmt is not None:
try:
new_obj.parent_stmt = weakref.ref(new_elements[obj.parent_stmt()])
except KeyError:
pass
return new_obj
def list_rec(list_obj):