How do I install SciPy on 64 bit Windows?

How do I install SciPy on 64 bit Windows?

How do I install SciPy on my system?

For the NumPy part (that SciPy depends on) there is actually an installer for 64 bit Windows: numpy-1.3.0.win-amd64-py2.6.msi (is direct download URL, 2310144 bytes).

Running the SciPy superpack installer results in this message in a dialog box:

Cannot install. Python version 2.6 required, which was not found in the registry.

I already have Python 2.6.2 installed (and a working Django installation in it), but I don't know about any Registry story.

The registry entries seem to already exist:

REGEDIT4    [HKEY_LOCAL_MACHINE\SOFTWARE\Python]    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore]    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6]    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\Help]    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\Help\Main Python Documentation]  @="D:\\Python262\\Doc\\python262.chm"    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\InstallPath]  @="D:\\Python262\\"    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\InstallPath\InstallGroup]  @="Python 2.6"    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\Modules]    [HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\PythonPath]  @="D:\\Python262\\Lib;D:\\Python262\\DLLs;D:\\Python262\\Lib\\lib-tk"  

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What I have done so far:

Step 1

Downloaded the NumPy superpack installer numpy-1.3.0rc2-win32-superpack-python2.6.exe (direct download URL, 4782592 bytes). Running this installer resulted in the same message, "Cannot install. Python version 2.6 required, which was not found in the registry.". Update: there is actually an installer for NumPy that works - see beginning of the question.

Step 2

Tried to install NumPy in another way. Downloaded the zip package numpy-1.3.0rc2.zip (direct download URL, 2404011 bytes), extracted the zip file in a normal way to a temporary directory, D:\temp7\numpy-1.3.0rc2 (where setup.py and README.txt is). I then opened a command line window and:

d:  cd D:\temp7\numpy-1.3.0rc2  setup.py install  

This ran for a long time and also included use of cl.exe (part of Visual Studio). Here is a nearly 5000 lines long transcript (230 KB).

This seemed to work. I can now do this in Python:

import numpy as np  np.random.random(10)  

with this result:

array([ 0.35667511,  0.56099423,  0.38423629,  0.09733172,  0.81560421,          0.18813222,  0.10566666,  0.84968066,  0.79472597,  0.30997724])  

Step 3

Downloaded the SciPy superpack installer, scipy-0.7.1rc3- win32-superpack-python2.6.exe (direct download URL, 45597175 bytes). Running this installer resulted in the message listed in the beginning

Step 4

Tried to install SciPy in another way. Downloaded the zip package scipy-0.7.1rc3.zip (direct download URL, 5506562 bytes), extracted the zip file in a normal way to a temporary directory, D:\temp7\scipy-0.7.1 (where setup.py and README.txt is). I then opened a command line window and:

d:  cd D:\temp7\scipy-0.7.1  setup.py install  

This did not achieve much - here is a transcript (about 95 lines).

And it fails:

>>> import scipy as sp2  Traceback (most recent call last):    File "", line 1, in   ImportError: No module named scipy  

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Platform: Python 2.6.2 installed in directory D:\Python262, Windows XP 64 bit SP2, 8 GB RAM, Visual Studio 2008 Professional Edition installed.

The startup screen of the installed Python is:

Python 2.6.2 (r262:71605, Apr 14 2009, 22:46:50) [MSC v.1500 64 bit (AMD64)] on win32  Type "help", "copyright", "credits" or "license" for more information.  >>>  

Value of PATH, result from SET in a command line window:

Path=D:\Perl64\site\bin;D:\Perl64\bin;C:\Program Files (x86)\PC Connectivity Solution\;D:\Perl\site\bin;D:\Perl\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;d:\Program Files (x86)\WinSCP\;D:\MassLynx\;D:\Program Files (x86)\Analyst\bin;d:\Python262;d:\Python262\Scripts;D:\Program Files (x86)\TortoiseSVN\bin;D:\Program Files\TortoiseSVN\bin;C:\WINDOWS\system32\WindowsPowerShell\v1.0;D:\Program Files (x86)\IDM Computer Solutions\UltraEdit\  

Answer by Cat Plus Plus for How do I install SciPy on 64 bit Windows?

Try to install Python 2.6.3 over your 2.6.2 (this should also add correct Registry entry), or to register your existing installation using this script. Installer should work after that.

Building SciPy requires a Fortran compiler and libraries - BLAS and LAPACK.

Answer by Martin v. Löwis for How do I install SciPy on 64 bit Windows?

As the transcript for SciPy told you, SciPy isn't really supposed to work on Win64:

Warning: Windows 64 bits support is experimental, and only available for  testing. You are advised not to use it for production.  

So I would suggest to install the 32-bit version of Python, and stop attempting to build SciPy yourself. If you still want to try anyway, you first need to compile BLAS and LAPACK, as PiotrLegnica says. See the transcript for the places where it was looking for compiled versions of these libraries.

Answer by proportional for How do I install SciPy on 64 bit Windows?

I haven't tried it, but you may want to download this version of Portable Python. It comes with Scipy-0.7.0b1 running on Python 2.5.4.

Answer by David Cournapeau for How do I install SciPy on 64 bit Windows?

Short answer: windows 64 support is still work in progress at this time. The superpack will certainly not work on a 64 bits python (but it should work fine on a 32 bits python, even on windows 64).

The main issue with windows 64 is that building with mingw-w64 is not stable at this point: it may be our's (numpy devs) fault, python's fault or mingw-w64. Most likely a combination of all those :). So you have to use proprietary compilers: anything other than MS compiler crashes numpy randomly; for the fortran compiler, ifort is the one to use. As of today, both numpy and scipy source code can be compiled with VS 2008 and ifort (all tests passing), but building it is still quite a pain, and not well supported by numpy build infrastructure.

Answer by cgohlke for How do I install SciPy on 64 bit Windows?

Unofficial 64-bit installers for NumPy and SciPy are available at http://www.lfd.uci.edu/~gohlke/pythonlibs/

Answer by GreenMatt for How do I install SciPy on 64 bit Windows?

For completeness: Enthought has a Python distribution which includes SciPy; however, it's not free. Caveat: I've never used it.

Answer by endolith for How do I install SciPy on 64 bit Windows?

Another alternative: http://www.pythonxy.com/

Free and includes lots of stuff meant to work together smoothly.

This person says

Did you try linux.pythonxy ? ( http://linux.pythonxy.com ).

It's 64 bit ready ...

Though I'm not quite sure what that means.

Answer by Edward Loper for How do I install SciPy on 64 bit Windows?

I was getting this same error on a 32-bit machine. I fixed it by registering my Python installation, using the script at:

http://effbot.org/zone/python-register.htm

It's possible that the script would also make the 64-bit superpack installers work.

Answer by tut for How do I install SciPy on 64 bit Windows?

Install Python distribution http://www.python.org/download/.

Download and Install Anaconda Python Distribution.

Make Anaconda Python distribution link to py3.3, if you want Numpy, Scipy or Matplotlib to work in py3.3 or just use it like that to have only py2.7 and older functionality.

The link below provides more detail about Anaconda: http://infodatatech.blogspot.com/2013/04/anaconda-python-distribution-python-33.html.

Answer by Steve B for How do I install SciPy on 64 bit Windows?

WinPython is an open-source distribution that has 64-bit numpy and scipy.

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