~/.bash_completion.d/python-argcomplete.sh prevents other completions

[jmlopez-rod]

I noticed a while ago that when I source the script python-argcomplete.sh I cannot tab to complete environment variables. If I comment the last line in the script:

#complete -o default -D -F _python_argcomplete_global

Then I can do:

macbook-pro:~ jmlopez$ echo $PA<TAB>
macbook-pro:~ jmlopez$ echo $PATH

As soon as I activate the global completer then it doesn't do the environment variable completion anymore. This behavior does not happen when registering an awesome script, i.e.

eval "$(register-python-argcomplete my-awesome-script.py)"

Not sure if this is happening with others, can someone check if this is bug on argparse? I'm using bash 4.2:

macbook-pro:~ jmlopez$ echo $BASH_VERSION
4.2.45(2)-release

[jmlopez-rod]

I found some bash reference on complete and the -o option got my attention:

-o comp-option

The comp-option controls several aspects of the compspec’s behavior beyond the simple generation of completions. comp-option may be one of:

bashdefault
Perform the rest of the default Bash completions if the compspec generates no matches.
default
Use Readline’s default filename completion if the compspec generates no matches.

It seems that adding the bashdefault option fixes the problem:

complete -o default -o bashdefault -D -F _python_argcomplete_global

Now it completes the environment variables as well.

[kislyuk]

Thank you for your contribution. I wasn't aware of the difference, and see no reason not to add -o bashdefault.

Released in v0.6.6, please give it a try.

[jmlopez-rod]

Good to know, I hope this doesn't cause any other side effects. I have been testing it with my scripts and my regular use of bash and everything seems to work. Thank you.

[jiasli]

register-python-argcomplete is not using -o bashdefault by default:

argcomplete/argcomplete/shell_integration.py

Line 77 in abfa187

complete_options = '-o nospace -o default' if use_defaults else '-o nospace'

Although it can be overridden with --complete-arguments, maybe we can include -o bashdefault for individual command registration as well?

[evanunderscore]

Thank you for reporting @jiasli. This appears to be an oversight. Would you like to submit a PR?

[jiasli]

Sure. With pleasure!