pip install gives error Unable to find vcvarsall bat

Question

Using pip install zipline on Windows 8 with Python 2 7 gives me the error   Downloading unpacking six  from python-dateutil  2 1- gt delorean- gt zipline all     Running setup py egg info for package six  Installing collected packages  blist  pytz  requests  python-dateutil  six   Running setup py install for blist     building   blist  extension     error  Unable to find vcvarsall bat     Complete output from command C  Python27 python exe -c  import setuptools    file    c   users  ThatsMe  appdata  local  temp  pip-build-ThatsMe  blist  setup py  ex ec compile open   file    read   replace   r n     n      file     exec     inst all --record c  users ThatsMe appdata local temp pip-xvoky2-record install-record tx t --single-version-externally-managed   running install  running build  running build py  running build ext  building   blist  extension  error  Unable to find vcvarsall bat   Question  How can the error be resolved  Running pip install zipline all  gives the same error

User · Accepted Answer

You could use ol  good easy install zipline instead   easy install isn t pip but one good aspect of it is the ability to download and install binary packages too  which would free you for the need having VC   ready  This of course relies of the assumption that the binaries were prepared for your Python version   UPDATE   Yes  Pip can install binaries now   There s a new binary Python archive format  wheel  that is supposed to replace  eggs   Wheels are already supported by pip  This means you ll be able to install zipline with pip without compiling it as soon as someone builds the wheel for your platform and uploads it to PyPI

User · Answer

If you are trying to install matplotlib in order to work with graphs on python  Try this link  https   github com jbmohler matplotlib-winbuild  This is a set of scripts to build matplotlib from source on the MS Windows platform   To build  amp  install matplotlib in your Python  do   git clone https   github com matplotlib matplotlib git clone https   github com jbmohler matplotlib-winbuild   python matplotlib-winbuild buildall py   The build script will auto-detect Python version  amp  32 64 bit automatically

User · Answer

The problem here is the line 292  Using Python 3 4 3 here  in  python install prefix Lib distutils msvc9compiler py  which says   VERSION   get build version     This only checks for the MSVC version that your python was built with  Just replacing this line with your actual Visual Studio version  eg  12 0 for MSVC2013  VERSION   12 0   will fix the issue   UPDATE  Turns out that there is a good reason why this version is hardcoded  MSVC C runtime is not required to be compatible between major versions  Hence when you use a different VS version you might run into runtime problems  So I advise to use VS 2008  for Python 2 6 up to 3 2  and VS2010 for  Python 3 3 and later  until this issue is sorted out   Binary compatibility will arrive with VS 2015  see here  along with Python 3 5    For Python 2 7 users Microsoft released a special Microsoft Visual C   Compiler for Python 2 7 which can be used without installing the whole VS 2008

User · Answer

I spent hours researching this vcvarsall bat as well  Most answers on SO focus on Python 2 7 and   or creating workarounds by modifying system paths  None worked for me  This solution worked out of the box for Python 3 5 and  I think  is the  correct  way of doing it    See this link -- it describes the Windows Compilers to use for different versions of Python  https   wiki python org moin WindowsCompilers Microsoft Visual C 2B- 2B- 14 0 standalone  Visual C 2B- 2B- Build Tools 2015  28x86 2C x64 2C ARM 29 For Python 3 5  download this  https   www microsoft com en-us download details aspx id 49983 For me  I had to run C  Program Files  x86  Microsoft Visual C   Build Tools Visual C   x64 Native Build Tools Command Prompt for it to work  From that command prompt  I ran  pip install django compressor  which was the particular package that was causing me an issue  and it worked perfectly    Hope this saves someone some time

User · Answer

You need to have Visual Studio s bin dir in your path  Pip install is trying to compile some C code

User · Answer

First  you should look for the file vcvarsall bat in your system   If it does not exist  I recommend you to install Microsoft Visual C   Compiler for Python 2 7  This will create the vcvarsall bat in  C  Program Files  x86  Common Files Microsoft Visual C   for Python 9 0  if you install it for all users   The problem now is in the function find vcvarsall version  in the C  Python27 Lib distutils msvc9compiler py module  which is looking for the vcvarsall bat file   Following the function calls you will see it is looking for an entry in the registry containing the path to the vcvarsall bat file  It will never find it because this function is looking in other directories different from where the above-mentioned installation placed it  and in my case  the registry didn t exist   The easiest way to solve this problem is to manually return the path of the vcvarsall bat file  To do so  modify the function  find vcvarsall version  in the msvc9compiler py file with the absolute path to the vcvarsall bat file like this   def find vcvarsall version       return r C  Program Files  x86  Common Files Microsoft Visual C   for Python 9 0 vcvarsall bat    This solution worked for me   If you already have the vcvarsall bat file you should check if you have the key productdir in the registry       HKEY USERS  HKEY CURRENT USERS  HKEY LOCAL MACHINE or HKEY CLASSES ROOT  Software Wow6432Node Microsoft VisualStudio version Setup VC   Where version   msvc9compiler get build version    If you don t have the key just do   def find vcvarsall version           return  lt path gt  vcvarsall bat   To understand the exact behavior check msvc9compiler py module starting in the find vcvarsall version  function

User · Answer

Simply because you don t have c   compiler installed there in your machine  check the following    Download Microsoft Visual C   2008 from this page  That is a generally useful page anyway  so you should probably bookmark it  For Python 3 3  use MS Visual C   2010  Install it  Open Windows explorer  the file browser  and search for the location of    vcvarsall bat    and cut it to your clipboard  run regedit from the Windows start key  You will need admin privilges  Add a registry entry to HKEY LOCAL MACHINE Software Wow6432Node Microsoft VisualStudio 9 0 Setup VC ProductDir  64 bit Windows  or HKEY LOCAL MACHINE Software Microsoft VisualStudio 9 0 Setup VC ProductDir  32 bit  as described here    Hint  0 9 in the registery directory is the currently installed version of your visual studio  if you running VS 2013  you have to find the path HKEY LOCAL MACHINE Software Wow6432Node Microsoft VisualStudio 12 0       At the Windows start key  type cmd to get a command shell  If you need to  go to your virtual environment and run activate bat  pip install  or whatever you use to install it

User · Answer

I appreciate this might not be the answer to resolving on 3 4 but I tried a huge variety of things to fix this on 3 4 and thought this might be useful if someone is time pressed or doesn t have the know-how to correct it  in my case  work demands    With exactly the same setup  I found that my installation problems only happened with Python 3 4   When I changed to 2 7  all my issues seemed to be resolved     We have a rather overzealous security setup though so I m going to try the same on my home version  still 3 4  and see if I have any more joy   My inclination is that my VS version has somehow been restricted and the answers above should help   If I find anything more tonight I ll add further detail   This is my first reply  not the most technical I m afraid

User · Answer

If you are getting this error on Python 2 7 you can now get the Microsoft Visual C   Compiler for Python 2 7 as a stand alone download   If you are on 3 3 or later you need to install Visual Studio 2010 express which is available for free here  https   www visualstudio com downloads download-visual-studio-vs d-2010-express  If you are 3 3 or later and using a 64 bit version of python you need to install the Microsoft SDK 7 1 that ships a 64 bit compiler and follow the directions here Python PIP has issues with path for MS Visual Studio 2010 Express for 64-bit install on Windows 7

User · Answer

Thanks to  msoliman  for his hint  however his answer doesn t give clear solution for those who doesn t have VS2010 For example I have VS2012 and VS2013 and there are no such KEYs in system registry    Solution   Edit file    Python install loc  Lib distutils msvc9compiler py  Change on line 224   productdir   Reg get value r  s Setup VC    vsbase                                  productdir     to   productdir    C  Program Files  x86  Microsoft Visual Studio  your vs version 11 12      VC    and that should work

[python] pip install gives error: Unable to find vcvarsall.bat

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