CLI framework using python

vijnaana bhairava vijnaana at gmail.com
Wed Oct 15 18:05:14 CEST 2014


Hi Naoki,

I am new to python programming. Getting used to writing basic scripts to understand python.

To understand 'Click' i may need some more guidance.

For e.g if i were to do 'ifconfig -a' from Click, how would the program look like. That will help me get started.

What i am looking for is a class based approach.

For e.g all interface related commands could come under class Interface and 'ifconfig' would probably be a method.

I would like to see one working program to get a feel for 'Click'

Thank You!
vij

On Tuesday, October 14, 2014 7:46:44 PM UTC+5:30, INADA Naoki wrote:
> Click_ is another CLI framework.
> 
> It support multi-level nested command like git and it has some nice utilities.
> 
> I love it's design.
> 
> 
> 
> 
> 
> 
> 
> .. _click: http://click.pocoo.org/3/
> 
> 
> 
> --
> Sent from Mailbox
> 
> 
> 
> 
> 
> On Tue, Oct 14, 2014 at 10:35 PM, vijnaana bhairava <vijn... at gmail.com> wrote:
> 
> Hi Folks,
> 
> 
> The requirement is to develop a CLI framework in python for a linux router.
> 
> The suggestions i got is to use PyCli/Cliff. Not sure which would be the right choice!  Also, a few APIs are mentioned here: 
> 
> 
> https://pythonhosted.org/pyCLI/#module-cli.app
> 
> 
> Since i couldn't find any actual implementation which uses pyCli,
> 
> i can't figure out how to make use of pyCLI.
> 
> 
> Another question i have is whether it uses argparse?
> 
> If so, what value add does PYCLI do?
> 
> 
> Regards,
> 
> vij
> 
> 
> On Thursday, October 9, 2014 5:50:51 PM UTC+5:30, vijnaana bhairava wrote:
> 
> > Hi,
> 
> > 
> 
> > 
> 
> > 
> 
> > I need to develop a python CLI framework.
> 
> > 
> 
> > 
> 
> > 
> 
> > For example if i need to set an ip address in linux:
> 
> > 
> 
> > 
> 
> > 
> 
> > ifconfig eth0 172.16.25.125
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> > 
> 
> > 
> 
> > 
> 
> > I should be able to use python to do the above.
> 
> > 
> 
> > 
> 
> > 
> 
> > 1. The user will execute a python script to which i will pass the params eth0 and ip address (something like ifconf.py  eth0 172.16.25.125)
> 
> > 
> 
> > 
> 
> > 
> 
> > 2. Within the script i grab the params and do something to the effect of user executing 'ifconfig eth0 172.16.25.125' from the shell.
> 
> > 
> 
> > 
> 
> > 
> 
> > 3. There are other such commands for which i will be using python scripts. I came across pyCLI, but it doesn't have much documentation, so couldn't figure out how to move forward.
> 
> > 
> 
> > 
> 
> > 
> 
> > 4. The CLI framework needs to reuse code so i didn't want to use pure python and develop a framework from scratch. Rather use something like pyCLI/CLIFF.
> 
> > 
> 
> > 
> 
> > 
> 
> > The problem is lack of documentation with examples on how to use the above.
> 
> > 
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> > 
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> > 
> 
> > Any guidance would be greatly appreciated.
> 
> > 
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> > 
> 
> > 
> 
> > Regards & Thanks,
> 
> > 
> 
> > Vij
> 
> -- 
> 
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