/usr/lib/python3/dist-packages/click/_bashcomplete.py is in python3-click 6.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import re
from .utils import echo
from .parser import split_arg_string
from .core import MultiCommand, Option
COMPLETION_SCRIPT = '''
%(complete_func)s() {
COMPREPLY=( $( env COMP_WORDS="${COMP_WORDS[*]}" \\
COMP_CWORD=$COMP_CWORD \\
%(autocomplete_var)s=complete $1 ) )
return 0
}
complete -F %(complete_func)s -o default %(script_names)s
'''
_invalid_ident_char_re = re.compile(r'[^a-zA-Z0-9_]')
def get_completion_script(prog_name, complete_var):
cf_name = _invalid_ident_char_re.sub('', prog_name.replace('-', '_'))
return (COMPLETION_SCRIPT % {
'complete_func': '_%s_completion' % cf_name,
'script_names': prog_name,
'autocomplete_var': complete_var,
}).strip() + ';'
def resolve_ctx(cli, prog_name, args):
ctx = cli.make_context(prog_name, args, resilient_parsing=True)
while ctx.args + ctx.protected_args and isinstance(ctx.command, MultiCommand):
a = ctx.args + ctx.protected_args
cmd = ctx.command.get_command(ctx, a[0])
if cmd is None:
return None
ctx = cmd.make_context(a[0], a[1:], parent=ctx, resilient_parsing=True)
return ctx
def get_choices(cli, prog_name, args, incomplete):
ctx = resolve_ctx(cli, prog_name, args)
if ctx is None:
return
choices = []
if incomplete and not incomplete[:1].isalnum():
for param in ctx.command.params:
if not isinstance(param, Option):
continue
choices.extend(param.opts)
choices.extend(param.secondary_opts)
elif isinstance(ctx.command, MultiCommand):
choices.extend(ctx.command.list_commands(ctx))
for item in choices:
if item.startswith(incomplete):
yield item
def do_complete(cli, prog_name):
cwords = split_arg_string(os.environ['COMP_WORDS'])
cword = int(os.environ['COMP_CWORD'])
args = cwords[1:cword]
try:
incomplete = cwords[cword]
except IndexError:
incomplete = ''
for item in get_choices(cli, prog_name, args, incomplete):
echo(item)
return True
def bashcomplete(cli, prog_name, complete_var, complete_instr):
if complete_instr == 'source':
echo(get_completion_script(prog_name, complete_var))
return True
elif complete_instr == 'complete':
return do_complete(cli, prog_name)
return False
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