Bugs item #1403068, was opened at 2006-01-11 17:02
Message generated for change (Settings changed) made by birkenfeld
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Category: Extension Modules
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Amaury Forgeot d'Arc (amauryf)
>Assigned to: Martin v. Löwis (loewis)
Summary: cannot import extension module with Purify
Initial Comment:
When run with Purify, Python cannot load any extension
module.
Here is a typical output:
Starting Purify'd application...
Python 2.4.2 (#46, Jan 3 2006, 16:05:11) [MSC v.1200
32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for
more information.
>>> import socket
Traceback (most recent call last):
File "<stdin>", line 1, in ?
File "c:\python\lib\socket.py", line 45, in ?
import _socket
ImportError: Module use of
python24__d$Purify_c_python.dll conflicts with this
version of Python.
It reproduces with python 2.4.2 and 2.5a0.
It works with python 2.3.3.
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Comment By: Amaury Forgeot d'Arc (amauryf)
Date: 2006-01-11 17:35
Message:
Logged In: YES
user_id=389140
The root cause it that Purify renames all DLLs with names like
"python24__d$Purify_c_python.dll".
With python 2.3, this name was not taken as the python DLL,
and no check was performed.
The broken logic in my previous comment changed this for 2.4.
A more correct fix is to get the python DLL name from the
current process, using GetModuleName(PyWin_DLLhModule).
----------------------------------------------------------------------
Comment By: Amaury Forgeot d'Arc (amauryf)
Date: 2006-01-11 17:22
Message:
Logged In: YES
user_id=389140
The pb seems to be in dynload_win.c, line 136:
while (*pch && pch[0] != '_' && pch[1] != 'd' && pch[2] !=
'.') {
This means that if a .pyd has "python_something.dll" in its
import table, it will be taken as THE python DLL.
I think the line should be:
while (*pch && (pch[0] != '_' || pch[1] != 'd' || pch[2] !=
'.')) {
----------------------------------------------------------------------
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