http://code.activestate.com/recipes/tags/cmdln/2010-03-02T00:05:40-08:00ActiveState Code Recipes2010-03-02T00:05:40-08:00Shakeeb Alirezahttp://code.activestate.com/recipes/users/4172101/http://code.activestate.com/recipes/576935-argdeclare-declarative-interface-to-argparse/

<p style="color: grey"> Python recipe 576935 by <a href="/recipes/users/4172101/">Shakeeb Alireza</a> (<a href="/recipes/tags/argparse/">argparse</a>, <a href="/recipes/tags/cmdln/">cmdln</a>, <a href="/recipes/tags/commandline/">commandline</a>, <a href="/recipes/tags/getopt/">getopt</a>, <a href="/recipes/tags/metaclass/">metaclass</a>, <a href="/recipes/tags/option/">option</a>). Revision 5. </p> <p>This is an implementation of the interface provided by the <a href="http://code.google.com/p/cmdln/">cmdln</a> module but using <a href="http://code.google.com/p/argparse/">argparse</a> to provide the option/arg heavy parsing.</p> <p>An example of usage is provided in the <code>test</code> function, which should produce the following from the command line:</p> <p>$ python argdeclare.py --help</p> <pre class="prettyprint"><code>usage: argdeclare.py [-h] [-v] {uninstall,install,delete} ... a description of the test app optional arguments: -h, --help show this help message and exit -v, --version show program's version number and exit subcommands: valid subcommands {uninstall,install,delete} additional help delete help text for delete subcmd install help text for install subcmd uninstall help text for uninstall subcmd </code></pre> <p>$ python argdeclare.py install --help</p> <pre class="prettyprint"><code>usage: argdeclare.py install [-h] [-t TYPE] [--log] [-f] package positional arguments: package package to be (un)installed optional arguments: -h, --help show this help message and exit -t TYPE, --type TYPE specify type of package --log, -l log is on -f, --force force through installation </code></pre> <p>enjoy!</p> <p>SA</p>