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Re: Python subprocess fails to execute Pip-installed module


From: Pradana Adrinusa AUMARS
Subject: Re: Python subprocess fails to execute Pip-installed module
Date: Sun, 16 Oct 2022 17:37:57 +0200

Sorry, I forgot to add the error message in the original mail...

It throws a FileNotFoundError as
FileNotFoundError: [Errno 2] No such file or directory: 
'/home/user/.local/lib/python3.9/site-packages/ray/core/src/ray/gcs/gcs_server'

The executable exists, accessible by Python's os

import os
os.path.exists('/home/user/.local/lib/python3.9/site-packages/ray/core/src/ray/gcs/gcs_server')

returns True

Its file type is
ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically 
linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, 
BuildID[sha1]=59c99f77d9fc6566e51a86cbd63edf9f095abb70, not stripped

Strangely enough, I cannot execute this binary directly,

$ ./home/user/.local/lib/python3.9/site-packages/ray/core/src/ray/gcs/gcs_server

outputs that bash cannot find this file.

Le dimanche 16 octobre 2022 à 17:21 +0200, Ricardo Wurmus a écrit :
> 
> Pradana Adrinusa AUMARS <paumars@courrier.dev> writes:
> 
> > Running:
> > 
> > import ray
> > ray.init()
> > 
> > fails since Python's subprocess needs to run an executable located
> > in
> > 
> > ~/.local/lib/python3.9/site-packages/ray/core/src/ray/gcs/gcs_server
> > 
> > So the error is narrowed down to:
> > 
> > import subprocess
> > subprocess.Popen(["/home/user/.local/lib/python3.9/site-packages/ray/core/src/ray/gcs/gcs_server"])
> 
> Do you get an error message?
> Does this executable exist?
> 




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