How Can I Get the Current Script's File Path and Name in Python?

Obtaining the Current Script's File Path and Name

In Python, one may encounter scenarios where scripts call other scripts, and there's a need to retrieve the executing script's file path from within the called script. Understanding the mechanism to achieve this is crucial.

One solution involves using the Python keyword __file__. This global variable represents the path and name of the currently executing file. For instance, consider the following code block:

import os

# Fetch the current script's full path
script_path = __file__

# Extract the file name without the full path
script_name = os.path.basename(script_path)

# Print the file name and path
print(f"Script Name: {script_name}")
print(f"Script Path: {script_path}")

This code allows you to access both the file name and the entire file path of the active script. By leveraging this technique, you can bypass the need to pass such information as arguments from calling scripts.

Another variation, as suggested by others, involves utilizing os.path.realpath to resolve any potential symlinks. For instance:

import os

# Get the full path of the script
script_path = __file__

# Resolve any symlinks
real_script_path = os.path.realpath(script_path)

# Extract the file name and path with the symlinks resolved
script_name = os.path.basename(real_script_path)
script_path = os.path.dirname(real_script_path)

# Print the resolved file name and path
print(f"Resolved Script Name: {script_name}")
print(f"Resolved Script Path: {script_path}")

By incorporating these techniques into your code, you can effectively retrieve the file path and name of the currently executing script, providing a solid foundation for script interaction.

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