fish-conf/functions/venv.fish

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function venv -d "Manipulate Python virtual environments (venv)"
if test (count $argv) -eq 0
echo "usage: venv [list | deactivate | activate VENV]"
return 1
end
if test $argv[1] = "list" -o $argv[1] = "l"
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printf "%10s %10s %10s\n" "Name" "Version" "IPython"
for venv in (ls $WORKON_HOME)
set venv_path "$WORKON_HOME/$venv"
set venv_version ($venv_path/bin/python --version | cut -d' ' -f 2)
set venv_ipython (command -v $venv_path/bin/ipython > /dev/null && echo "yes" || echo "no")
printf "%10s %10s %10s\n" "$venv" "$venv_version" "$venv_ipython"
end
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else if test $argv[1] = "deactivate" -o $argv[1] = "d"
type -q deactivate; and deactivate
else if test $argv[1] = "activate" -o $argv[1] = "a"
source $WORKON_HOME/{$argv[2]}/bin/activate.fish
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else if test $argv[1] = "remove" -o $argv[1] = "r"
set venv_folder $WORKON_HOME/{$argv[2]}
if set -q VIRTUAL_ENV && test $VIRTUAL_ENV = $venv_folder
deactivate
end
rm -rf $venv_folder
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else
return 1
end
return 0
end
# see http://fishshell.com/docs/current/completions.html
# disable file completions
complete -c venv -f
# subcommand completion
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set -l commands list l deactivate d activate a remove r
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complete -c venv -n "not __fish_seen_subcommand_from $commands" -a "$commands"
# activate completion
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complete -c venv -n "__fish_seen_subcommand_from a" \
-a "(ls $WORKON_HOME)"
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complete -c venv -n "__fish_seen_subcommand_from activate" \
-a "(ls $WORKON_HOME)"
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complete -c venv -n "__fish_seen_subcommand_from r" \
-a "(ls $WORKON_HOME)"
complete -c venv -n "__fish_seen_subcommand_from remove" \
-a "(ls $WORKON_HOME)"