Python os.get_exec_path() Method

Python os.get_exec_path() method obtains the list of directories that will be searched for a named executable, similar to Unix’s, which command works or Windows’ PATH environment variable.

Syntax

os.get_exec_path(env=None)

Parameters

Arguments Description
env (optional) It is a dictionary representing a custom environment. If omitted or None, the current system environment is used.

Return value

It returns a list representing the paths of directories in the PATH variable.

Example 1: Default Usage

import os

exec_paths = os.get_exec_path()

print(exec_paths)

Output

output of os.get_exec_path() Method

The output is a list of paths where the system looks for executable files, similar to the PATH environment variable.

Example 2: Custom environment

You can also specify a custom environment. This is helpful when checking the executable paths in a modified or a different environment.

import os

# Custom environment with a modified PATH
custom_env = {'PATH': '/usr/local/bin:/usr/bin'}

exec_paths = os.get_exec_path(env=custom_env)

print(exec_paths)

Output

In this code, os.get_exec_path() returns the directories listed in the custom PATH environment variable.

It’s important to note that this method should not be used for security purposes, like validating whether a particular executable is safe to run.

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