How to print a Python file's docstring when executing it?

How to print a Python file's docstring when executing it?

You can print a Python file's docstring when executing it by accessing the __doc__ attribute of the module. Here's how you can do it:

  • Create a Python file (e.g., my_script.py) with a docstring:
""" This is a sample Python script with a docstring. """ def main(): # Your script logic here pass if __name__ == "__main__": main()
  • Create another Python script to execute my_script.py and print its docstring:
import importlib.util # Specify the path to the Python file you want to execute file_path = 'my_script.py' # Load the module spec = importlib.util.spec_from_file_location('my_script', file_path) module = importlib.util.module_from_spec(spec) spec.loader.exec_module(module) # Print the docstring print(module.__doc__)
  • Run the second script. It will import my_script.py as a module, access its docstring, and print it:
python second_script.py

This will print the docstring from my_script.py:

This is a sample Python script with a docstring.

By using importlib.util to load the module, you can access the docstring and execute the script from another script.

Examples

  1. Print Python file docstring when executing

    Description: Users often want to print the docstring of a Python file when executing it. One way to achieve this is by accessing the __doc__ attribute of the module object.

    import sys import importlib.util file_path = 'your_python_file.py' spec = importlib.util.spec_from_file_location("module_name", file_path) module = importlib.util.module_from_spec(spec) spec.loader.exec_module(module) print(module.__doc__)

  2. Display docstring of Python script during execution

    Description: This query seeks a method to display the docstring of a Python script while it's being executed. You can achieve this by accessing the __doc__ attribute of the module object.

    import sys file_path = 'your_python_file.py' sys.path.insert(0, file_path) module = __import__('your_python_file') print(module.__doc__)

  3. Print docstring of Python file when running

    Description: Users may want to print the docstring of a Python file when running it. You can accomplish this by accessing the __doc__ attribute of the module object.

    import your_python_file print(your_python_file.__doc__)

  4. Show Python file docstring while executing

    Description: This query relates to displaying the docstring of a Python file while it's being executed. You can achieve this by accessing the __doc__ attribute of the module object.

    import importlib.util file_path = 'your_python_file.py' spec = importlib.util.spec_from_file_location("module_name", file_path) module = importlib.util.module_from_spec(spec) spec.loader.exec_module(module) print(module.__doc__)

  5. Print docstring of Python file when executed

    Description: Users may want to print the docstring of a Python file when it's executed. You can accomplish this by accessing the __doc__ attribute of the module object.

    import your_python_file print(your_python_file.__doc__)

  6. Retrieve and print Python file docstring during execution

    Description: This query involves retrieving and printing the docstring of a Python file while it's being executed. You can achieve this by accessing the __doc__ attribute of the module object.

    import importlib.util file_path = 'your_python_file.py' spec = importlib.util.spec_from_file_location("module_name", file_path) module = importlib.util.module_from_spec(spec) spec.loader.exec_module(module) print(module.__doc__)

  7. Display Python file docstring when running

    Description: Users may seek a way to display the docstring of a Python file when running it. You can achieve this by accessing the __doc__ attribute of the module object.

    import your_python_file print(your_python_file.__doc__)

  8. How to print docstring of a Python file on execution

    Description: This query is about printing the docstring of a Python file when it's executed. You can accomplish this by accessing the __doc__ attribute of the module object.

    import your_python_file print(your_python_file.__doc__)

  9. Show Python file docstring when executing

    Description: Users may want to show the docstring of a Python file when executing it. You can achieve this by accessing the __doc__ attribute of the module object.

    import your_python_file print(your_python_file.__doc__)

  10. Print Python file docstring on execution

    Description: This query revolves around printing the docstring of a Python file when it's executed. You can accomplish this by accessing the __doc__ attribute of the module object.

    import your_python_file print(your_python_file.__doc__)

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