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Kirill Smelkov
cython
Commits
54b721d2
Commit
54b721d2
authored
Jun 03, 2009
by
Robert Bradshaw
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Ticket #326, coerce -1 to -2 for __hash__
parent
04df35ec
Changes
2
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34 additions
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0 deletions
+34
-0
Cython/Compiler/Nodes.py
Cython/Compiler/Nodes.py
+5
-0
tests/run/hash_T326.pyx
tests/run/hash_T326.pyx
+29
-0
No files found.
Cython/Compiler/Nodes.py
View file @
54b721d2
...
...
@@ -1228,6 +1228,11 @@ class FuncDefNode(StatNode, BlockNode):
code
.
put_finish_refcount_context
()
if
self
.
entry
.
is_special
and
self
.
entry
.
name
==
"__hash__"
:
# Returning -1 for __hash__ is supposed to signal an error
# We do as Python instances and coerce -1 into -2.
code
.
putln
(
"if (unlikely(%s == -1) && !PyErr_Occurred()) %s = -2;"
%
(
Naming
.
retval_cname
,
Naming
.
retval_cname
))
if
acquire_gil
:
code
.
putln
(
"PyGILState_Release(_save);"
)
...
...
tests/run/hash_T326.pyx
0 → 100644
View file @
54b721d2
__doc__
=
u"""
>>> hash(A(5))
5
>>> hash(A(-1))
-2
>>> hash(A(-2))
-2
>>> hash(A(100))
Traceback (most recent call last):
...
TypeError: That's kind of a round number...
>>> __hash__(-1)
-1
"""
cdef
class
A
:
cdef
long
a
def
__init__
(
self
,
a
):
self
.
a
=
a
def
__hash__
(
self
):
if
self
.
a
==
100
:
raise
TypeError
,
"That's kind of a round number..."
else
:
return
self
.
a
cpdef
long
__hash__
(
long
x
):
return
x
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