Hi Paolo,
Thanks for the reply. I did have a 64-bit Python installation but it *should*
have all been uninstalled.
I have the same as you when I run python and there is nothing in the PATH which
would suggest I'm picking up something from elsewhere.
Python 2.7.11 (v2.7.11:6d1b6a68f775, Dec 5 2015, 20:32:19) [MSC v.1500 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>
Prior to installation of the RDKit files, I have also had to install numpy
(numpy-1.11.0+mkl-cp27-cp27m-win32.whl), scipy
(scipy-0.17.0-cp27-none-win32.whl), pip version 8 and scikit-learn as I wanted
to use the Random Forest classifier out of sklearn.ensemble and had to have an
up-to-date version of scipy to get that to do more than a very small data
matrix. To get that (scipy) to work I had to have the numpy+mkl installation
from the wheel file above or else I find a similar DLL load failure for part of
the scipy modules. All these were installed by means of pip and should be
Python 2.7 and 32bit versions.
Hence there are plenty of things that could be getting in the way of the RDKit
installation but I wondered if there was anything known regarding this DLL
error. Would redoing the installations in a different order (ie RDKit before
numpy & scipy) make a difference..?
Regards
Peter
From: Paolo Tosco [mailto:paolo.to...@unito.it]
Sent: 12 April 2016 14:58
To: Peter Hunt <pe...@optibrium.com>
Subject: Re: [Rdkit-discuss] DLL load failed error
Dear Peter,
I am running Windows 10 with 64-bit Python but I just installed 32-bit Python
2.7.11 under C:\Python27_32 to test this out.
I unzipped RDKit_2015_03_1.win32.py27.zip into C:\, then opened up a shell and
issued the following commands:
Microsoft Windows [Version 10.0.10586]
(c) 2015 Microsoft Corporation. All rights reserved.
C:\Users\paolo>set RDBASE=C:RDKit_2014_03_1
C:\Users\paolo>set PYTHONPATH=%RDBASE%
C:\Users\paolo>set PATH=%RDBASE%\lib;%PATH%
C:\Users\paolo>C:\Python27_32\python.exe
Python 2.7.11 (v2.7.11:6d1b6a68f775, Dec 5 2015, 20:32:19) [MSC v.1500 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import rdkit
>>> from rdkit import Chem
>>>
Could it be that you have a 64-bit Python in your PATH which gets in the way? I
get the error message that you got when try to import rdkit and then Chem from
a 64-bit Python shell.
Kind regards,
Paolo
On 4/12/2016 10:34, Peter Hunt wrote:
Dear All,
I'm trying to install and run the latest RDKit version (2015_03_1) for Python
2.7 and 32bit windows OS running Win10 from SourceForge.
I'm running into the "ImportError: DLL load failed: %1 is not a valid Win32
application" and the links on the RDKit/docs/install.html for Win7 are not
helpful.
Any recommendations as to how I can get around this..? Usually this is a
conflict of versions 64/32bit but I have installed 32bit versions of everything
required.
Thanks in advance.
Regards
Peter
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