annotate planemo/lib/python3.7/site-packages/pip/_internal/commands/completion.py @ 1:56ad4e20f292 draft

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author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1 from __future__ import absolute_import
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2
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3 import sys
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4 import textwrap
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5
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6 from pip._internal.cli.base_command import Command
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7 from pip._internal.utils.misc import get_prog
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8
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9 BASE_COMPLETION = """
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10 # pip %(shell)s completion start%(script)s# pip %(shell)s completion end
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11 """
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12
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13 COMPLETION_SCRIPTS = {
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14 'bash': """
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15 _pip_completion()
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16 {
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17 COMPREPLY=( $( COMP_WORDS="${COMP_WORDS[*]}" \\
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18 COMP_CWORD=$COMP_CWORD \\
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19 PIP_AUTO_COMPLETE=1 $1 ) )
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20 }
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21 complete -o default -F _pip_completion %(prog)s
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22 """,
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23 'zsh': """
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24 function _pip_completion {
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25 local words cword
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26 read -Ac words
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27 read -cn cword
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28 reply=( $( COMP_WORDS="$words[*]" \\
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29 COMP_CWORD=$(( cword-1 )) \\
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30 PIP_AUTO_COMPLETE=1 $words[1] ) )
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31 }
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32 compctl -K _pip_completion %(prog)s
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33 """,
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34 'fish': """
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35 function __fish_complete_pip
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36 set -lx COMP_WORDS (commandline -o) ""
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37 set -lx COMP_CWORD ( \\
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38 math (contains -i -- (commandline -t) $COMP_WORDS)-1 \\
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39 )
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40 set -lx PIP_AUTO_COMPLETE 1
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41 string split \\ -- (eval $COMP_WORDS[1])
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42 end
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43 complete -fa "(__fish_complete_pip)" -c %(prog)s
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44 """,
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45 }
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46
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47
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48 class CompletionCommand(Command):
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49 """A helper command to be used for command completion."""
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50 name = 'completion'
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51 summary = 'A helper command used for command completion.'
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52 ignore_require_venv = True
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53
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54 def __init__(self, *args, **kw):
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55 super(CompletionCommand, self).__init__(*args, **kw)
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56
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57 cmd_opts = self.cmd_opts
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58
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59 cmd_opts.add_option(
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60 '--bash', '-b',
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61 action='store_const',
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62 const='bash',
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63 dest='shell',
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64 help='Emit completion code for bash')
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65 cmd_opts.add_option(
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66 '--zsh', '-z',
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67 action='store_const',
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68 const='zsh',
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69 dest='shell',
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70 help='Emit completion code for zsh')
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71 cmd_opts.add_option(
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72 '--fish', '-f',
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73 action='store_const',
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74 const='fish',
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75 dest='shell',
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76 help='Emit completion code for fish')
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77
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78 self.parser.insert_option_group(0, cmd_opts)
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79
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80 def run(self, options, args):
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81 """Prints the completion code of the given shell"""
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82 shells = COMPLETION_SCRIPTS.keys()
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83 shell_options = ['--' + shell for shell in sorted(shells)]
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84 if options.shell in shells:
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85 script = textwrap.dedent(
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86 COMPLETION_SCRIPTS.get(options.shell, '') % {
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87 'prog': get_prog(),
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88 }
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89 )
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90 print(BASE_COMPLETION % {'script': script, 'shell': options.shell})
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91 else:
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92 sys.stderr.write(
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93 'ERROR: You must pass %s\n' % ' or '.join(shell_options)
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94 )