get name of current script in python
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Getting the Name of the Current Script in Python: A Comprehensive Guide
In Python, knowing the name of the currently running script can be invaluable for various purposes:
*Logging:* Including the script name in log messages helps identify the source of events, making debugging and troubleshooting easier.
*Configuration:* Loading specific configurations based on the script's name allows for tailored behavior in different contexts.
*Module Discovery:* When a script acts as a launcher or entry point, knowing its name can aid in locating related modules or resources.
*Conditional Execution:* You might want certain parts of the code to run only when the script is executed directly and not when imported as a module. Knowing the script name helps achieve this.
*Dynamic Path Construction:* Building paths to files relative to the script's location becomes straightforward.
This tutorial explores several methods to retrieve the name of the current script in Python, complete with code examples and explanations of their nuances.
*1. `__file__` attribute:*
The most common and often the most straightforward approach involves using the built-in `__file__` attribute. This attribute is available within any module and holds the path to the module's source file. For the main script, `__file__` holds the path to the script itself.
*Explanation:*
`__file__`: This special attribute is a string containing the path to the module's source code file. If the script is executed directly, `__file__` will contain the path to that script.
`os.path.basename(script_path)`: This extracts the filename (with extension) from the full path. For example, if `script_path` is "/path/to/my_script.py", this returns "my_script.py".
`os.path.splitext(script_name_with_extension)`: This splits the filename into two parts: the filename without the extension and the extension itself. It returns a tuple: `('my_script', '.py')`. We take the first elemen ...
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