Metadata-Version: 2.1
Name: argopt
Version: 0.8.0
Summary: doc to argparse driven by docopt
Home-page: https://github.com/casperdcl/argopt
Author: Casper da Costa-Luis
Author-email: casper.dcl@physics.org
Project-URL: Changelog, https://github.com/casperdcl/argopt/releases
Project-URL: Documentation, https://github.com/casperdcl/argopt/#argopt
Keywords: docopt,argparse,doc,docstring,commandline,argument,option,optional,parameter,positional,console,terminal,command line,CLI,UI,gui,gooey
Platform: any
Classifier: Development Status :: 5 - Production/Stable
Classifier: Environment :: Console
Classifier: Environment :: MacOS X
Classifier: Environment :: Other Environment
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Classifier: Framework :: IPython
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Classifier: License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)
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Classifier: Operating System :: Unix
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3 :: Only
Classifier: Programming Language :: Python :: Implementation
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Classifier: Programming Language :: Python :: Implementation :: PyPy
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Classifier: Topic :: System :: Logging
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Classifier: Topic :: Terminals
Classifier: Topic :: Utilities
Provides: argopt
Requires-Python: >=3.7
Description-Content-Type: text/x-rst
Provides-Extra: dev
License-File: LICENCE

argopt
======

doc to ``argparse`` driven by ``docopt``

|Py-Versions| |PyPI| |Conda-Forge|

|Build-Status| |Coverage-Status| |Branch-Coverage-Status| |Codacy-Grade| |Libraries-Rank| |PyPI-Downloads|

|LICENCE| |OpenHub-Status| |Gift-Casper|

Define your command line interface (CLI) from a docstring (rather than the
other way around). Because it's easy. It's quick. Painless. Then focus on
what's actually important - using the arguments in the rest of your program.

The problem is that this is not always flexible. Still need all the features of
`argparse`? Now have the best of both worlds... all the extension such as
`shtab <https://github.com/iterative/shtab>`__ or
`Gooey <https://github.com/chriskiehl/Gooey>`__ but with the simple syntax of
`docopt <https://github.com/docopt/docopt>`__.

------------------------------------------

.. contents:: Table of contents
   :backlinks: top
   :local:


Installation
------------

Latest PyPI stable release
~~~~~~~~~~~~~~~~~~~~~~~~~~

|PyPI| |PyPI-Downloads| |Libraries-Dependents|

.. code:: sh

    pip install argopt

Latest development release on GitHub
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

|GitHub-Status| |GitHub-Stars| |GitHub-Commits| |GitHub-Forks| |GitHub-Updated|

Pull and install:

.. code:: sh

    pip install "git+https://github.com/casperdcl/argopt.git@master#egg=argopt"

Latest Conda release
~~~~~~~~~~~~~~~~~~~~

|Conda-Forge|

.. code:: sh

    conda install -c conda-forge argopt


Changelog
---------

The list of all changes is available on the Releases page: |GitHub-Status|.


Usage
-----

Standard `docopt <https://github.com/docopt/docopt>`__ docstring syntax applies.
Additionally, some improvements and enhancements are supported, such as type
checking and default positional arguments.

.. code:: python

    '''Example programme description.
    You should be able to do
        args = argopt(__doc__).parse_args()
    instead of
        args = docopt(__doc__)

    Usage:
        test.py [options] <x> [<y>...]

    Arguments:
        <x>                   A file.
        --anarg=<a>           Description here [default: 1e3:int].
        -p PAT, --patts PAT   Or [default: None:file].
        --bar=<b>             Another [default: something] should
                              auto-wrap something in quotes and assume str.
        -f, --force           Force.
    '''
    from argopt import argopt
    __version__ = "0.1.2-3.4"


    parser = argopt(__doc__, version=__version__)
    args = parser.parse_args()
    if args.force:
        print(args)
    else:
        print(args.x)

For comparison, the `docopt` equivalent would be:

.. code:: python

    '''Example programme description.

    Usage:
        test.py [options] <x> [<y>...]

    Arguments:
        <x>                   A file.
        --anarg=<a>           int, Description here [default: 1e3].
        -p PAT, --patts PAT   file, Or (default: None).
        --bar=<b>             str, Another [default: something] should
                              assume str like everything else.
        -f, --force           Force.
        -h, --help            Show this help message and exit.
        -v, --version         Show program's version number and exit.

    '''
    from docopt import docopt
    __version__ = "0.1.2-3.4"


    args = docopt(__doc__, version=__version__)
    args["--anarg"] = int(eval(args["--anarg"]))
    if args["--patts"]:
        args["--patts"] = open(args["--patts"])
    if args["--force"]:
        print(args)
    else:
        print(args["<x>"])

Advanced usage and examples
~~~~~~~~~~~~~~~~~~~~~~~~~~~

See the `examples <https://github.com/casperdcl/argopt/tree/master/examples>`__
folder.


Documentation
-------------

|Py-Versions| |README-Hits|

.. code:: python

    def argopt(doc='', argparser=ArgumentParser,
               formatter_class=RawDescriptionHelpFormatter,
               logLevel=logging.NOTSET, **_kwargs):
      """
      Note that `docopt` supports neither type specifiers nor default
      positional arguments. We support both here.

      Parameters
      ----------
      doc  : docopt compatible, with optional type specifiers
          [default: '':str]
      argparser  : Argument parser class [default: argparse.ArgumentParser]
      version  : Version string [default: None:str]
      formatter_class  : [default: argparse.RawDescriptionHelpFormatter]
      logLevel  : [default: logging.NOTSET]
      _kwargs  : any `argparser` initialiser arguments
          N.B.: `prog`, `description`, and `epilog` are automatically
          inferred if not `None`

      Returns
      -------
      out  : argparser object (default: argparse.ArgumentParser)

      Usage
      -----
      Extension syntax example: [default: 1e3:int].

      You should be able to do
          parser = argopt(__doc__)
          args   = parser.parse_args()
      instead of
          args = docopt(__doc__)

      TODO
      ----
      add_argument_group
      add_mutually_exclusive_group
      (better) subparser support
      (docopt extension) action choices
      (docopt extension) action count
      """


Contributions
-------------

|GitHub-Commits| |GitHub-Issues| |GitHub-PRs| |OpenHub-Status|

All source code is hosted on `GitHub <https://github.com/casperdcl/argopt>`__.
Contributions are welcome.


LICENCE
-------

Open Source (OSI approved): |LICENCE|


Authors
-------

|OpenHub-Status|

- Casper da Costa-Luis (`casperdcl <https://github.com/casperdcl>`__ |Gift-Casper|)

We are grateful for all |GitHub-Contributions|.

|README-Hits|

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