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pythonpython-3.xwindowsanacondaroot-framework

pip install ROOT Python 3 Windows

I have Python 3, Windows 10 and want to have the CERN package ROOT. What I tried so far based on other quests:

  • as admin on anaconda prompt pip install ROOT gives:

    Could not find a version that satisfies the requirement ROOT (from versions: none)

  • on cmd with python3 -m pip install : does nothing

Any suggestions what requirements are missing?

Solution

  • You cannot pip install ROOT, as it doesn't appear to have an entry in pypi, nor is it supported for python 3.x. The community-supported rootpy can be pip-installed, and does have python3.x support, but it doesn't appear to be supported for Windows, so I'll add some notes below.

    Per their documentation for building ROOT, you can leverage Visual Studio's cmake for this:

    Visual Studio

    Generate the Microsoft Visual Studio solution with cmake -G "Visual Studio 10" /path/to/source/dir. Open the generated solution with C:\Program Files\Microsoft Visual Studio 10.0\Common7\IDE\devenv.exe ROOT.sln

    Otherwise, they have instructions listed for vanilla cmake that are contained within the link above.

    Note to check their supported platforms, which point to the following for ROOT 5:

    • win32 for Win32 with Visual Studio >= 2008 / vc >= 9
    • win32gcc for Win32 with cygwin/gcc with gcc >= 4.8
    • win64gcc for Win64 with cygwin/gcc with gcc >= 4.8

    And their prerequisites for Windows. ROOT 5 appears to support python 2.7, I have not seen anything indicating python3 support, at least at the time of this writing

    They do have support for an alpha version of ROOT on docker, which could provide a different avenue for running the ROOT package