[petsc-users] Error in installation of petsc4py

[arash rezaei]

On Thu, May 6, 2021 at 11:33 PM Barry Smith <bsmith at petsc.dev> wrote:

>
>    PETSc folks who know a little bit about Windows Python,
>
>    Does the Microsoft Python environment work with the standard Python
> setup tools? It seems like it should but ...
>
>    Is the following error coming from the generic use of setup.py on
> Windows or is it somehow specific to PETSc's use of setup?
>
>  Running setup.py install for petsc ... error
>     ERROR Command errored out with exit status 1
>      command 'CProgram FilesPython39python.exe' -u -c 'import io, os, sys,
> setuptools, tokenize; sys.argv[0] =
> '''CUsersArashAppDataLocalTemppip-install-2pv0ftutpetsc_718bdaa5c0fd475eb4937d6b87c8c4afsetup.py''';
> __file__='''CUsersArashAppDataLocalTemppip-install-2pv0ftutpetsc_718bdaa5c0fd475eb4937d6b87c8c4afsetup.py''';f
> = getattr(tokenize, '''open''', open)(__file__) if os.path.exists(__file__)
> else io.StringIO('''from setuptools import setup; setup()''');code =
> f.read().replace('''rn''', '''n''');f.close();exec(compile(code, __file__,
> '''exec'''))' install --record
> 'CUsersArashAppDataLocalTemppip-record-c5j1b3k_install-record.txt'
> --single-version-externally-managed --user --prefix= --compile
> --install-headers 'CUsersArashAppDataRoamingPythonPython39Includepetsc'
>          cwd
> CUsersArashAppDataLocalTemppip-install-2pv0ftutpetsc_718bdaa5c0fd475eb4937d6b87c8c4af
>     Complete output (28 lines)
>
>       The page   https://docs.microsoft.com/en-us/windows/python/faqs has
> the following text:
>
>       To paste a path as a string in Python, add the r prefix. This
> indicates that it is a raw string, and no escape characters will be used except
> for \” (you might need to remove the last backslash in your path). So your
> path might look like:r"C:\Users\MyName\Documents\Document.txt" When
> working with paths in Python, we recommend using the standard pathlib
> module. This will let you convert the string to a rich Path object that
> can do path manipulations consistently whether it uses forward slashes or
> backslashes, making your codework better across different operating
> systems.
>
>      Should we/can we convert PETSc's configure and setup.py to use
> pathlib (and maybe need to add some r in places) to fully support using
> Microsoft Python and the Microsoft way of handling file systems?
>
>    Thanks for any input,
>
>    Barry
>
> We've never supported using the Microsoft Python environment and always
> used cygwin python in the past.
>
>
>
>
> On May 6, 2021, at 1:19 PM, Satish Balay via petsc-users <
> petsc-users at mcs.anl.gov> wrote:
>
> Is this on windows with windows python? This likely won't work.
>
> Can you use WSL?
>
> Satish
>
> On Thu, 6 May 2021, Matthew Knepley wrote:
>
> The error is in your script:
>
>   'CProgram' is not recognized as an internal or external command,
>
>
>  Matt
>
> On Thu, May 6, 2021 at 2:09 PM arash rezaei <arashrezaei96 at gmail.com>
> wrote:
>
> Hello,
> I want to install pets4py
> I use this command:
>
> python -m pip install [--user] petsc petsc4py
>
>
>
> Thanks to all. I check it with linux tomorrow. I want to ask you if it
> possible, please create a documentation and some example that show how we
> can use this package in python. I am a master student and this package can
> help me a lot.
>
>
>
>
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