python argparse subcommand
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Certainly! The argparse module in Python is a powerful tool for parsing command-line arguments. Subcommands are a way to organize and structure command-line interfaces by dividing functionality into different commands. In this tutorial, we'll explore how to use subcommands with argparse in Python.
First, make sure to import the argparse module in your Python script:
Create the main parser using argparse.ArgumentParser():
If there are arguments shared among all subcommands, you can add them to the main parser:
Create subparsers using parser.add_subparsers():
For each subcommand, create a separate function and add a subparser for that function:
Finally, parse the command-line arguments and call the appropriate subcommand function:
Save the script and run it from the command line:
This example demonstrates a simple command-line tool with two subcommands, each with its set of arguments. The --verbose option is a global argument applicable to all subcommands.
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