Errors while building/installing C module for Python 2.7
I'm trying getting the following errors while trying to install/compile ctools for python (version info)
ActivePython 2.7.2.5 (ActiveState Software Inc.) based on
Python 2.7.2 (default, Jun 24 2011, 12:22:14) [MSC v.1500 64 bit (AMD64)] on win32
Error:
building 'deap.cTools' extension
Traceback (most recent call last):
File "setup.py", line 40, in <module>
cmdclass = {'build_py': build_py}
File "C:Python27libdistutilscore.py", line 152, in setup
dist.run_commands()
File "C:Python27libdistutilsdist.py", line 953, in run_commands
self.run_command(cmd)
File "C:Python27libdistutilsdist.py", line 972, in run_command
cmd_obj.run()
File "C:Python27libdistutilscommandinstall.py", line 563, in run
self.run_command('build')
File "C:Python27libdistutilscmd.py", line 326, in run_command
self.distribution.run_command(command)
File "C:Python27libdistutilsdist.py", line 972, in run_command
cmd_obj.run()
File "C:Python27libdistutilscommandbuild.py", line 127, in run
self.run_command(cmd_name)
File "C:Python27libdistutilscmd.py", line 326, in run_command
self.distribution.run_command(command)
File "C:Python27libdistutilsdist.py", line 972, in run_command
cmd_obj.run()
File "C:Python27libdistutilscommandbuild_ext.py", line 340, in run
self.build_extensions()
File "C:Python27libdistutilscommandbuild_ext.py", line 449, in build_extensions
self.build_extension(ext)
File "C:Python27libdistutilscommandbuild_ext.py", line 499, in build_extension
depends=ext.depends)
File "C:Python27libdistutilsmsvc9compiler.py", line 473, in compile
self.initialize()
File "C:Python27libdistutilsmsvc9compiler.py", line 383, in initialize
vc_env = query_vcvarsall(VERSION, plat_spec)
File "C:Python27libdistutilsmsvc9compiler.py", line 299, in query_vcvarsall
raise ValueError(str(list(result.keys())))
ValueError: [u'path']
I've installed PyWin as suggested in here, but it didn't help. I'd appreciate help sorting out this issue.
Edit
Same issue arises when trying to install scikit-learn
File "C:Python27libdistutilsmsvc9compiler.py", line 299, in query_vcvarsall
raise ValueError(str(list(result.keys())))
ValueError: [u'path']
I summarized above in my blog. http://springflex.blogspot.com/2014/02/how-to-fix-valueerror-when-trying-to.html
To install Visual Studio 2008 Express Edition with all required components:
Install Microsoft Visual Studio 2008 Express Edition. The main Visual Studio 2008 Express installer is available from (the C++ installer name is vcsetup.exe):
Install the Microsoft Windows SDK. The Microsoft Windows SDK is available by searching Microsoft's download site, or by going directly to: http://www.microsoft.com/downloads/details.aspx?FamilyId=F26B1AA4-741A-433A-9BE5-FA919850BDBF&displaylang=en
To verify that you have all installed components, check that the Microsoft SDK contains the "amd64" version of the C/C++ compiler "cl.exe". This is usually installed into
C:Program Files (x86)Microsoft Visual Studio 9.0VCbinamd64cl.exe
copy .../VC/bin/vcvars64.bat to .../VC/bin/vcvarsamd64.bat
copy .../VC/bin/vcvars64.bat to .../VC/bin/amd64/vcvarsamd64.bat
Since you're using the 64 bit version of Python, once you have installed Microsoft Windows SDK for Windows 7 and .NET Framework 3.5 SP1 (which installs the 64bit compiler that isn't installed when installing Visual Studio 2008 SP1 Express Edition); You need to copy the vcvars64.bat to a location where vcvarsall.bat claims it to be.
From %CSIDL_PROGRAM_FILESX86%Microsoft Visual Studio 9.0VCbin , you need to copy vcvars64.bat to amd64vcvarsamd64.bat .
Note the amd part in the destination file name.
Microsoft now publishes a Visual C++ compiler just for Python 2.7, although it will work for other versions of Python that used the same compiler. Check the system requirements: setuptools 6.0 or later is required. It will not work with packages using distutils.
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