This effect also could be reproduced if you use any of fancy UTF-8 characters like arrow, “git branch” character and so on. Just remove this chars from prompt and duplication will not occur. Also adding export LC_ALL=en_US.UTF-8 export LANG=en_US.UTF-8 to ~/.profile can help
The question was answered in the comments. Is tab completion a feature of the particular shell the application is being executed from? yes What are the basics I need to know about getting my application to support tab completion (particularly in C++)? basically learn more about bash-completion
You don’t need to do anything, especially compdef g=’git’, it should work without any configuration. You would need something only if you used function in place of an alias.
It’s a known issue and jedi is the problem. Try executing: pip3 install jedi==0.17.2 https://github.com/jupyter/notebook/issues/2435
Have a look at argcomplete by Andrey Kislyuk. Install it with: pip install argcomplete Import the module and add one line in your source before calling parser.parse_args(): #!/usr/bin/env python import argparse as ap import argcomplete def main(**args): pass if __name__ == ‘__main__’: parser = ap.ArgumentParser() parser.add_argument(‘positional’, choices=[‘spam’, ‘eggs’]) parser.add_argument(‘–optional’, choices=[‘foo1’, ‘foo2’, ‘bar’]) argcomplete.autocomplete(parser) args = … Read more
Just drop require ‘irb/completion’ in your irbrc. If that doesn’t work try bond, http://tagaholic.me/bond/: require ‘bond’; require ‘bond/completion’ Bond not only improves irb’s completion, http://tagaholic.me/2009/07/22/better-irb-completion-with-bond.html, but also offers an easy dsl for making custom autocompletions.
autoload bashcompinit bashcompinit source /path/to/your/bash_completion_file
Be sure you have installed the pyreadline library. It is needed for tab completion and other IPython functions – in Windows it doesn’t come with the IPython package and you have to install it separately – > pip install pyreadline
New versions of PowerShell include PSReadline, which can be used to do this: Set-PSReadlineKeyHandler -Key Tab -Function Complete or, to make it even more like bash where you can use arrow-keys to navigate available options: Set-PSReadlineKeyHandler -Key Tab -Function MenuComplete To make it permanent, put this command into C:\Users\[User]\Documents\WindowsPowerShell\profile.ps1.