Added rudimentary custom argument options

[marnunez]

Nothing too fancy, can't register custom options for each argument, but it's workable. Do you deem it necessary to create a custom class for this? Perhaps enhancing the CommandCompleter would do.

[codecov[bot]]

Codecov Report

Merging #119 into master will decrease coverage by 0.11%. The diff coverage is 97.61%.

@@            Coverage Diff             @@
##           master     #119      +/-   ##
==========================================
- Coverage   99.37%   99.25%   -0.12%     
==========================================
  Files          17       17              
  Lines         794      808      +14     
==========================================
+ Hits          789      802      +13     
- Misses          5        6       +1

Impacted Files	Coverage Δ
vulcano/command/classes.py	94.54% <100%> (ø)	:arrow_up:
vulcano/command/completer.py	100% <100%> (ø)	:arrow_up:
vulcano/command/models_test.py	97.5% <100%> (+0.06%)	:arrow_up:
vulcano/command/models.py	96.42% <93.75%> (-1.3%)	:arrow_down:

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[dgarana]

Hi @marnunez, will take a look at the PR when possible. As far as I've seen, what you're introducing will break the completion of argument names and description if arg_opts is passed to the vulcano command. My purpose would be improving the command completer in order to be able to autocomplete also the value whenever the argument is configured in arg_opts (note that it should be a dictionary to be able to support multi arguments completion).

So for example, something like that:

@app.command('name', 'description here', arg_opts={'name': ['bob', 'rob']})
def set_user(name, age):
    # do something here

And on the completer, you'll prompt a list of completions only when the argument name is inside the arg_opts.

[marnunez]

Yeap, as soon as I pushed this I realised it wouldn't be enough. Besides, I soon ended up wishing for a completion that included the meta. I'll see what I can do

[dgarana]

Here is an overview of what got changed by this pull request:

Issues
======
+ Solved 4
- Added 9
           

Complexity increasing per file
==============================
- vulcano/command/models.py  2
- vulcano/command/completer.py  1
         

See the complete overview on Codacy