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An advanced parameter parser for Python.

Project description

Parameter Parser (Python)

Parameter Parser is a simple library used to parse intricate parameters from an array of strings.

Hint: This package is available through Python PIP. pip install parameterparser

Supports Python 2.7+

PyPI version PyCodeStyle Downloads GitHub issues PyPI - License

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Features

  • Parse command line parameters.
  • Assign aliases to parameters.
  • Custom closures for each command line parameter.
  • Variadic closure support for arguments taking more than one value.
  • Customize the way the command line is parsed.

Example Usage

import sys
from parameterparser import Parameter, Cluster, Parser

# Initialize a new Cluster
parameters = Cluster()

# Add a Parameter to the Cluster
parameter = Parameter("-", "name", lambda name: name)

parameter.set_required(True)\
         .set_description("Your name.")

parameters.add(parameter)

# Create a new Parser using the Cluster
parser = Parser(sys.argv, parameters)

# Parse the parameters using the Parser.
results = parser.parse()

# Verify that the parameters were valid after parsing.
if not parser.is_valid():
    # Since it was not valid, output usage.
    parameters.print_full_usage(
        "Parameter Parser",
        "An advanced parameter parser for Python",
        "v1.0.0"
    )
else:
    # Retrieve the name from the results
    name = results['name']

    # Output the name
    print("Your name is " + name + os.linesep)

Output

~/ python test.py -name 'Nathan Fiscaletti'

   Your name is Nathan Fiscaletti

Development

Before commiting anything, please create a pre-commit hook with the following content.

This will ensure that the pycodestyle badge is properly updated.

#!/bin/bash
python3 tests/style.py

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