[Distutils] Binary installer on Windows can't install extension
M.-A. Lemburg
mal at egenix.com
Wed Jun 19 00:19:25 CEST 2013
Malte Forkel wrote:
> Am 14.06.2013 00:05, schrieb Steve Dower:
>> You will need a 64-bit version of mxDateTime.pyd when used with 64-bit Python.
>> The DLL load fails because a 64-bit process can only load 64-bit DLLs.
>>
>> If you can't get a 64-bit version, it should not be a problem to install and use
>> a 32-bit version of Python on 64-bit Windows (and I generally
>> recommend it - > the only thing you gain with 64-bit Python is a
> higher memory limit).
>>
>
> I'm afraid its not that easy. Everything I installed is 64-bit, both
> Python itself and the eGenix mx Base Distribution which includes
> mx.DateTime.
>
> According to Dependency Walker, MSVCR90.DLL is the only 32-bit DLL
> referenced by mxDateTime.pyd. All others DLLs (inluding the version of
> MSVCR90.DLL referenced by PYTHON27.DLL) are 64-bit.
Are you using our prebuilt or egg distribution of eGenix mx Base,
or compiling it from source ?
> When imported from a regular Python process, mxDateTime loads fine. The
> problem only occurred when mxDateTime was imported in the context of the
> installer's (post)install script.
>
> Note the past tense, though. When I ran my tests today, there was no
> error anymore. I guess if I knew what change has caused that, I knew
> what caused the initial problem. I started my tests with Python 2.7.3
> and mx 2.3.1, then upgraded to 2.7.5 and 2.3.6 respectively. The problem
> still occurred. Since, I have rebooted the computer and installed
> another Python package of my own. The paths (user, system) have not changed.
--
Marc-Andre Lemburg
eGenix.com
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>>> Python/Zope Consulting and Support ... http://www.egenix.com/
>>> mxODBC.Zope.Database.Adapter ... http://zope.egenix.com/
>>> mxODBC, mxDateTime, mxTextTools ... http://python.egenix.com/
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