mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-11 02:30:30 +00:00
84 lines
2.4 KiB
Python
84 lines
2.4 KiB
Python
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import os
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import re
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from .utils import echo
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from .parser import split_arg_string
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from .core import MultiCommand, Option
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COMPLETION_SCRIPT = '''
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%(complete_func)s() {
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COMPREPLY=( $( env COMP_WORDS="${COMP_WORDS[*]}" \\
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COMP_CWORD=$COMP_CWORD \\
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%(autocomplete_var)s=complete $1 ) )
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return 0
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}
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complete -F %(complete_func)s -o default %(script_names)s
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'''
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_invalid_ident_char_re = re.compile(r'[^a-zA-Z0-9_]')
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def get_completion_script(prog_name, complete_var):
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cf_name = _invalid_ident_char_re.sub('', prog_name.replace('-', '_'))
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return (COMPLETION_SCRIPT % {
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'complete_func': '_%s_completion' % cf_name,
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'script_names': prog_name,
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'autocomplete_var': complete_var,
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}).strip() + ';'
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def resolve_ctx(cli, prog_name, args):
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ctx = cli.make_context(prog_name, args, resilient_parsing=True)
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while ctx.args + ctx.protected_args and isinstance(ctx.command, MultiCommand):
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a = ctx.args + ctx.protected_args
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cmd = ctx.command.get_command(ctx, a[0])
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if cmd is None:
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return None
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ctx = cmd.make_context(a[0], a[1:], parent=ctx, resilient_parsing=True)
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return ctx
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def get_choices(cli, prog_name, args, incomplete):
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ctx = resolve_ctx(cli, prog_name, args)
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if ctx is None:
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return
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choices = []
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if incomplete and not incomplete[:1].isalnum():
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for param in ctx.command.params:
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if not isinstance(param, Option):
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continue
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choices.extend(param.opts)
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choices.extend(param.secondary_opts)
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elif isinstance(ctx.command, MultiCommand):
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choices.extend(ctx.command.list_commands(ctx))
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for item in choices:
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if item.startswith(incomplete):
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yield item
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def do_complete(cli, prog_name):
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cwords = split_arg_string(os.environ['COMP_WORDS'])
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cword = int(os.environ['COMP_CWORD'])
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args = cwords[1:cword]
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try:
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incomplete = cwords[cword]
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except IndexError:
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incomplete = ''
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for item in get_choices(cli, prog_name, args, incomplete):
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echo(item)
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return True
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def bashcomplete(cli, prog_name, complete_var, complete_instr):
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if complete_instr == 'source':
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echo(get_completion_script(prog_name, complete_var))
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return True
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elif complete_instr == 'complete':
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return do_complete(cli, prog_name)
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return False
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