This library intends to make command line execution and configuration easy.
Project description
Action and Mnemonic command line library
This library intends to make command line execution and configuration easy. The library supports (among other features) an mnemonic centric way to tie a command line an action to a Python 3 handler code segment. Features include:
- Better command line parsing than optparse. This a binding to from a command line option using an action mnemonic to invocation of a handler.
- Better application level support for configuration than configparser. Specifically, optional configuration and configuration groups.
Obtaining
The easiest way to obtain this package is via pip:
pip install zensols.actioncli
Binaries are also available on pypi.
Usage
Two ways to use this project follow. The easiest way is to use the template method. Either way, first install the library via pip or easyinstall.
Template
The best way to get started is to template out this project with the following commands:
# clone the boilerplate repo
git clone https://github.com/plandes/template
# download the boilerplate tool
wget https://github.com/plandes/clj-mkproj/releases/download/v0.0.7/mkproj.jar
# create a python template and build it out
java -jar mkproj.jar config -s template/python
java -jar mkproj.jar
Straight Python
If you want to skip templating it out (i.e. don't like Java), create a command line module:
from zensols.actioncli import OneConfPerActionOptionsCli
from zensols.actioncli import SimpleActionCli
from zensols.tools import HelloWorld
VERSION='0.1'
class ConfAppCommandLine(OneConfPerActionOptionsCli):
def __init__(self):
cnf = {'executors':
[{'name': 'hello',
'executor': lambda params: HelloWorld(**params),
'actions':[{'name': 'doit',
'meth': 'print_message',
'opts': [['-m', '--message', True, # require argument
{'dest': 'message', 'metavar': 'STRING',
'help': 'a message to print'}]]}]}],
# uncomment to add a configparse (ini format) configuration file
# 'config_option': {'name': 'config',
# 'opt': ['-c', '--config', False,
# {'dest': 'config', 'metavar': 'FILE',
# 'help': 'configuration file'}]},
'whine': 1}
super(ConfAppCommandLine, self).__init__(cnf, version=VERSION)
def main():
cl = ConfAppCommandLine()
cl.invoke()
This uses the OneConfPerActionOptionsCliEnv
class, which provides a data
driven way of configuring the action based command line. An extention of this
class is the OneConfPerActionOptionsCliEnv
class, which imports environment
variables and allows adding to the configuration via adding a resource like
file (i.e. ~/.<program name>rc
) type file. See the
See the command line test cases for more examples.
Changelog
An extensive changelog is available here.
License
Copyright (c) 2018 Paul Landes
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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