from __future__ import absolute_import import sys from pip.basecommand import Command BASE_COMPLETION = """ # pip %(shell)s completion start%(script)s# pip %(shell)s completion end """ COMPLETION_SCRIPTS = { 'bash': """ _pip_completion() { COMPREPLY=( $( COMP_WORDS="${COMP_WORDS[*]}" \\ COMP_CWORD=$COMP_CWORD \\ PIP_AUTO_COMPLETE=1 $1 ) ) } complete -o default -F _pip_completion pip """, 'zsh': """ function _pip_completion { local words cword read -Ac words read -cn cword reply=( $( COMP_WORDS="$words[*]" \\ COMP_CWORD=$(( cword-1 )) \\ PIP_AUTO_COMPLETE=1 $words[1] ) ) } compctl -K _pip_completion pip """, 'fish': """ function __fish_complete_pip set -lx COMP_WORDS (commandline -o) "" set -lx COMP_CWORD (math (contains -i -- (commandline -t) $COMP_WORDS)-1) set -lx PIP_AUTO_COMPLETE 1 string split \ -- (eval $COMP_WORDS[1]) end complete -fa "(__fish_complete_pip)" -c pip """} class CompletionCommand(Command): """A helper command to be used for command completion.""" name = 'completion' summary = 'A helper command used for command completion.' def __init__(self, *args, **kw): super(CompletionCommand, self).__init__(*args, **kw) cmd_opts = self.cmd_opts cmd_opts.add_option( '--bash', '-b', action='store_const', const='bash', dest='shell', help='Emit completion code for bash') cmd_opts.add_option( '--zsh', '-z', action='store_const', const='zsh', dest='shell', help='Emit completion code for zsh') cmd_opts.add_option( '--fish', '-f', action='store_const', const='fish', dest='shell', help='Emit completion code for fish') self.parser.insert_option_group(0, cmd_opts) def run(self, options, args): """Prints the completion code of the given shell""" shells = COMPLETION_SCRIPTS.keys() shell_options = ['--' + shell for shell in sorted(shells)] if options.shell in shells: script = COMPLETION_SCRIPTS.get(options.shell, '') print(BASE_COMPLETION % {'script': script, 'shell': options.shell}) else: sys.stderr.write( 'ERROR: You must pass %s\n' % ' or '.join(shell_options) )