Python Running a Github File on VS code for windows 10- File system problem (

[Arman777]

I am doing a cosmological work and I need to run a code form this github page

https://github.com/ja-vazquez/SimpleMC

I download the whole repository as .zip file and I inserted into my desktop. Then I opened it through vs code and this is how it looks like

The problem is that, when I run `test_calculator.py` or any other file I get an error

  Initalizing nu density look up table... Done
    Traceback(most recent call last):
    File "c:\Users\Arman\Desktop\SimpleMC-master\test_calculator.py", line 1, in <module >
    from simplemc.CosmoCalc import CosmoCalc
    File "c:\Users\Arman\Desktop\SimpleMC-master\simplemc\__init__.py", line 32, in <module >
    from . import analyzers
    File "c:\Users\Arman\Desktop\SimpleMC-master\simplemc\analyzers\__init__.py", line 2, in <module >
    from .MCMCAnalyzer import MCMCAnalyzer
    File "c:\Users\Arman\Desktop\SimpleMC-master\simplemc\analyzers\MCMCAnalyzer.py", line 10, in <module
    >
    from mpi4py import MPI
    ImportError: DLL load failed while importing MPI: Belirtilen modül bulunamadı.

I guess there's something wrong with the file system. Such that the code cannot use ìmport` properly. But I don't know how to fix it. I am using Windows 10.

Does this happen for other system such as jupyter etc ?

In general how can I run this gihtub files ? Any ideas ? I don't have to use VS Code

 

[phyzguy]

I don't use Windows, so maybe I am no help. But I'm surprised you need to download it and unzip it. On a Mac or Unix system you just type git clone https://<name of repository> and it just downloads and creates the whole directory. You mean this doesn't work on Windows?

 

[Arman777]

I don't use Windows, so maybe I am no help. But I'm surprised you need to download it and unzip it. On a Mac or Unix system you just type git clone https://<name of repository> and it just downloads and creates the whole directory. You mean this doesn't work on Windows?

I guess not

 

[PeterDonis]

I guess there's something wrong with the file system.

If "not having the file needed by the package you're importing" counts as "something wrong with the file system", then maybe. But I don't think that's what you meant.

Such that the code cannot use ìmport` properly.

Rather than a basic function of your Python interpreter being broken, which would mean you'd be unable to run any Python code at all, you should consider the far more likely possibility that you're simply missing a DLL that comes with the package mpi4py that the code you're running is trying to import.

 

[PeterDonis]

You mean this doesn't work on Windows?

You have obviously mistaken Windows for an OS that works.

There might be a way to install git on Windows that gives you a command line program, but Windows generally wants you to use GUI programs (which its braindead single message queue implementation can then cause to lock up for reasons that should never happen on a so-called multitasking OS, but that's another rant...), and AFAIK most Windows users use whatever git interface is built into their IDEs.

 

[PeterDonis]

I opened it through vs code

Doesn't vs code have a way to clone git repositories?

 

[Arman777]

that comes with the package mpi4py that the code you're running is trying to import.

I have already downloaded that package.

Doesn't vs code have a way to clone git repositories?

I manage to do it but it does not make a difference

This problem to be happened before actually see this post that I have created before

https://www.physicsforums.com/threads/import-a-python-function-inside-a-subfolder.996640/

Let me ask my question in a different way. How you guys download and run this test_calculator.py to work ?

 

[PeterDonis]

I have already downloaded that package.

Downloaded how? If you didn't install it, either using pip or whatever Windows installer the package's authors provided, it's probably not installed in a way that is usable.

 

[Arman777]

Downloaded how? If you didn't install it, either using pip or whatever Windows installer the package's authors provided, it's probably not installed in a way that is usable.

check this out

 

[Wrichik Basu]

On my Ubuntu laptop, I could run the file test_calculator.py properly. It even gave me this graph:



I cloned the repo using git clone https://github.com/ja-vazquez/SimpleMC.git --branch master --single-branch

In order to run the file, you need two packages: mpi4py and deap. You have already installed the former. Have you installed the latter?

 

[Arman777]

On my Ubuntu laptop, I could run the file test_calculator.py properly. It even gave me this graph:

View attachment 278732

I cloned the repo using git clone https://github.com/ja-vazquez/SimpleMC.git --branch master --single-branch

In order to run the file, you need two packages: mpi4py and deap. You have already installed the former. Have you installed the latter?

Yeah I did.. I guess its due to using windows or VS code file system. I guess I need to use something else.

 

[Wrichik Basu]

Yeah I did.. I guess its due to using windows or VS code file system. I guess I need to use something else.

I don't think that the file system is the problem. The library mpi4py needs some other non-python dependencies. On Ubuntu, I had to install libopenmpi-dev before installing mpi4py. I thought that this problem is unique to Ubuntu, but a Google search using the keywords importerror dll load failed while importing mpi the specified module could not be found windows shows that you are not the only one facing this problem.

 

[Wrichik Basu]

This GitHub issue for a different repo states the same error. A proposed solution in that same issue says you have to install Microsoft MPI. Give it a try.

 

[Arman777]

Yes this seems to be the problem. Let me try

 

[Arman777]

This GitHub issue for a different repo states the same error. A proposed solution in that same issue says you have to install Microsoft MPI. Give it a try.

This was an older version. You tricked me man :p

So I downloaded

Download Microsoft MPI v10.1.2 from Official Microsoft Download Center

and then Uninstalled mpi4py and then re-installed it again. It worked. Thanks for the help.