From 12cf076118570eebbff08c6b3090e0d4798447a1 Mon Sep 17 00:00:00 2001 From: cyfraeviolae Date: Wed, 3 Apr 2024 03:17:55 -0400 Subject: no venv --- venv/lib/python3.11/site-packages/click/parser.py | 529 ---------------------- 1 file changed, 529 deletions(-) delete mode 100644 venv/lib/python3.11/site-packages/click/parser.py (limited to 'venv/lib/python3.11/site-packages/click/parser.py') diff --git a/venv/lib/python3.11/site-packages/click/parser.py b/venv/lib/python3.11/site-packages/click/parser.py deleted file mode 100644 index 5fa7adf..0000000 --- a/venv/lib/python3.11/site-packages/click/parser.py +++ /dev/null @@ -1,529 +0,0 @@ -""" -This module started out as largely a copy paste from the stdlib's -optparse module with the features removed that we do not need from -optparse because we implement them in Click on a higher level (for -instance type handling, help formatting and a lot more). - -The plan is to remove more and more from here over time. - -The reason this is a different module and not optparse from the stdlib -is that there are differences in 2.x and 3.x about the error messages -generated and optparse in the stdlib uses gettext for no good reason -and might cause us issues. - -Click uses parts of optparse written by Gregory P. Ward and maintained -by the Python Software Foundation. This is limited to code in parser.py. - -Copyright 2001-2006 Gregory P. Ward. All rights reserved. -Copyright 2002-2006 Python Software Foundation. All rights reserved. -""" -# This code uses parts of optparse written by Gregory P. Ward and -# maintained by the Python Software Foundation. -# Copyright 2001-2006 Gregory P. Ward -# Copyright 2002-2006 Python Software Foundation -import typing as t -from collections import deque -from gettext import gettext as _ -from gettext import ngettext - -from .exceptions import BadArgumentUsage -from .exceptions import BadOptionUsage -from .exceptions import NoSuchOption -from .exceptions import UsageError - -if t.TYPE_CHECKING: - import typing_extensions as te - from .core import Argument as CoreArgument - from .core import Context - from .core import Option as CoreOption - from .core import Parameter as CoreParameter - -V = t.TypeVar("V") - -# Sentinel value that indicates an option was passed as a flag without a -# value but is not a flag option. Option.consume_value uses this to -# prompt or use the flag_value. -_flag_needs_value = object() - - -def _unpack_args( - args: t.Sequence[str], nargs_spec: t.Sequence[int] -) -> t.Tuple[t.Sequence[t.Union[str, t.Sequence[t.Optional[str]], None]], t.List[str]]: - """Given an iterable of arguments and an iterable of nargs specifications, - it returns a tuple with all the unpacked arguments at the first index - and all remaining arguments as the second. - - The nargs specification is the number of arguments that should be consumed - or `-1` to indicate that this position should eat up all the remainders. - - Missing items are filled with `None`. - """ - args = deque(args) - nargs_spec = deque(nargs_spec) - rv: t.List[t.Union[str, t.Tuple[t.Optional[str], ...], None]] = [] - spos: t.Optional[int] = None - - def _fetch(c: "te.Deque[V]") -> t.Optional[V]: - try: - if spos is None: - return c.popleft() - else: - return c.pop() - except IndexError: - return None - - while nargs_spec: - nargs = _fetch(nargs_spec) - - if nargs is None: - continue - - if nargs == 1: - rv.append(_fetch(args)) - elif nargs > 1: - x = [_fetch(args) for _ in range(nargs)] - - # If we're reversed, we're pulling in the arguments in reverse, - # so we need to turn them around. - if spos is not None: - x.reverse() - - rv.append(tuple(x)) - elif nargs < 0: - if spos is not None: - raise TypeError("Cannot have two nargs < 0") - - spos = len(rv) - rv.append(None) - - # spos is the position of the wildcard (star). If it's not `None`, - # we fill it with the remainder. - if spos is not None: - rv[spos] = tuple(args) - args = [] - rv[spos + 1 :] = reversed(rv[spos + 1 :]) - - return tuple(rv), list(args) - - -def split_opt(opt: str) -> t.Tuple[str, str]: - first = opt[:1] - if first.isalnum(): - return "", opt - if opt[1:2] == first: - return opt[:2], opt[2:] - return first, opt[1:] - - -def normalize_opt(opt: str, ctx: t.Optional["Context"]) -> str: - if ctx is None or ctx.token_normalize_func is None: - return opt - prefix, opt = split_opt(opt) - return f"{prefix}{ctx.token_normalize_func(opt)}" - - -def split_arg_string(string: str) -> t.List[str]: - """Split an argument string as with :func:`shlex.split`, but don't - fail if the string is incomplete. Ignores a missing closing quote or - incomplete escape sequence and uses the partial token as-is. - - .. code-block:: python - - split_arg_string("example 'my file") - ["example", "my file"] - - split_arg_string("example my\\") - ["example", "my"] - - :param string: String to split. - """ - import shlex - - lex = shlex.shlex(string, posix=True) - lex.whitespace_split = True - lex.commenters = "" - out = [] - - try: - for token in lex: - out.append(token) - except ValueError: - # Raised when end-of-string is reached in an invalid state. Use - # the partial token as-is. The quote or escape character is in - # lex.state, not lex.token. - out.append(lex.token) - - return out - - -class Option: - def __init__( - self, - obj: "CoreOption", - opts: t.Sequence[str], - dest: t.Optional[str], - action: t.Optional[str] = None, - nargs: int = 1, - const: t.Optional[t.Any] = None, - ): - self._short_opts = [] - self._long_opts = [] - self.prefixes: t.Set[str] = set() - - for opt in opts: - prefix, value = split_opt(opt) - if not prefix: - raise ValueError(f"Invalid start character for option ({opt})") - self.prefixes.add(prefix[0]) - if len(prefix) == 1 and len(value) == 1: - self._short_opts.append(opt) - else: - self._long_opts.append(opt) - self.prefixes.add(prefix) - - if action is None: - action = "store" - - self.dest = dest - self.action = action - self.nargs = nargs - self.const = const - self.obj = obj - - @property - def takes_value(self) -> bool: - return self.action in ("store", "append") - - def process(self, value: t.Any, state: "ParsingState") -> None: - if self.action == "store": - state.opts[self.dest] = value # type: ignore - elif self.action == "store_const": - state.opts[self.dest] = self.const # type: ignore - elif self.action == "append": - state.opts.setdefault(self.dest, []).append(value) # type: ignore - elif self.action == "append_const": - state.opts.setdefault(self.dest, []).append(self.const) # type: ignore - elif self.action == "count": - state.opts[self.dest] = state.opts.get(self.dest, 0) + 1 # type: ignore - else: - raise ValueError(f"unknown action '{self.action}'") - state.order.append(self.obj) - - -class Argument: - def __init__(self, obj: "CoreArgument", dest: t.Optional[str], nargs: int = 1): - self.dest = dest - self.nargs = nargs - self.obj = obj - - def process( - self, - value: t.Union[t.Optional[str], t.Sequence[t.Optional[str]]], - state: "ParsingState", - ) -> None: - if self.nargs > 1: - assert value is not None - holes = sum(1 for x in value if x is None) - if holes == len(value): - value = None - elif holes != 0: - raise BadArgumentUsage( - _("Argument {name!r} takes {nargs} values.").format( - name=self.dest, nargs=self.nargs - ) - ) - - if self.nargs == -1 and self.obj.envvar is not None and value == (): - # Replace empty tuple with None so that a value from the - # environment may be tried. - value = None - - state.opts[self.dest] = value # type: ignore - state.order.append(self.obj) - - -class ParsingState: - def __init__(self, rargs: t.List[str]) -> None: - self.opts: t.Dict[str, t.Any] = {} - self.largs: t.List[str] = [] - self.rargs = rargs - self.order: t.List["CoreParameter"] = [] - - -class OptionParser: - """The option parser is an internal class that is ultimately used to - parse options and arguments. It's modelled after optparse and brings - a similar but vastly simplified API. It should generally not be used - directly as the high level Click classes wrap it for you. - - It's not nearly as extensible as optparse or argparse as it does not - implement features that are implemented on a higher level (such as - types or defaults). - - :param ctx: optionally the :class:`~click.Context` where this parser - should go with. - """ - - def __init__(self, ctx: t.Optional["Context"] = None) -> None: - #: The :class:`~click.Context` for this parser. This might be - #: `None` for some advanced use cases. - self.ctx = ctx - #: This controls how the parser deals with interspersed arguments. - #: If this is set to `False`, the parser will stop on the first - #: non-option. Click uses this to implement nested subcommands - #: safely. - self.allow_interspersed_args: bool = True - #: This tells the parser how to deal with unknown options. By - #: default it will error out (which is sensible), but there is a - #: second mode where it will ignore it and continue processing - #: after shifting all the unknown options into the resulting args. - self.ignore_unknown_options: bool = False - - if ctx is not None: - self.allow_interspersed_args = ctx.allow_interspersed_args - self.ignore_unknown_options = ctx.ignore_unknown_options - - self._short_opt: t.Dict[str, Option] = {} - self._long_opt: t.Dict[str, Option] = {} - self._opt_prefixes = {"-", "--"} - self._args: t.List[Argument] = [] - - def add_option( - self, - obj: "CoreOption", - opts: t.Sequence[str], - dest: t.Optional[str], - action: t.Optional[str] = None, - nargs: int = 1, - const: t.Optional[t.Any] = None, - ) -> None: - """Adds a new option named `dest` to the parser. The destination - is not inferred (unlike with optparse) and needs to be explicitly - provided. Action can be any of ``store``, ``store_const``, - ``append``, ``append_const`` or ``count``. - - The `obj` can be used to identify the option in the order list - that is returned from the parser. - """ - opts = [normalize_opt(opt, self.ctx) for opt in opts] - option = Option(obj, opts, dest, action=action, nargs=nargs, const=const) - self._opt_prefixes.update(option.prefixes) - for opt in option._short_opts: - self._short_opt[opt] = option - for opt in option._long_opts: - self._long_opt[opt] = option - - def add_argument( - self, obj: "CoreArgument", dest: t.Optional[str], nargs: int = 1 - ) -> None: - """Adds a positional argument named `dest` to the parser. - - The `obj` can be used to identify the option in the order list - that is returned from the parser. - """ - self._args.append(Argument(obj, dest=dest, nargs=nargs)) - - def parse_args( - self, args: t.List[str] - ) -> t.Tuple[t.Dict[str, t.Any], t.List[str], t.List["CoreParameter"]]: - """Parses positional arguments and returns ``(values, args, order)`` - for the parsed options and arguments as well as the leftover - arguments if there are any. The order is a list of objects as they - appear on the command line. If arguments appear multiple times they - will be memorized multiple times as well. - """ - state = ParsingState(args) - try: - self._process_args_for_options(state) - self._process_args_for_args(state) - except UsageError: - if self.ctx is None or not self.ctx.resilient_parsing: - raise - return state.opts, state.largs, state.order - - def _process_args_for_args(self, state: ParsingState) -> None: - pargs, args = _unpack_args( - state.largs + state.rargs, [x.nargs for x in self._args] - ) - - for idx, arg in enumerate(self._args): - arg.process(pargs[idx], state) - - state.largs = args - state.rargs = [] - - def _process_args_for_options(self, state: ParsingState) -> None: - while state.rargs: - arg = state.rargs.pop(0) - arglen = len(arg) - # Double dashes always handled explicitly regardless of what - # prefixes are valid. - if arg == "--": - return - elif arg[:1] in self._opt_prefixes and arglen > 1: - self._process_opts(arg, state) - elif self.allow_interspersed_args: - state.largs.append(arg) - else: - state.rargs.insert(0, arg) - return - - # Say this is the original argument list: - # [arg0, arg1, ..., arg(i-1), arg(i), arg(i+1), ..., arg(N-1)] - # ^ - # (we are about to process arg(i)). - # - # Then rargs is [arg(i), ..., arg(N-1)] and largs is a *subset* of - # [arg0, ..., arg(i-1)] (any options and their arguments will have - # been removed from largs). - # - # The while loop will usually consume 1 or more arguments per pass. - # If it consumes 1 (eg. arg is an option that takes no arguments), - # then after _process_arg() is done the situation is: - # - # largs = subset of [arg0, ..., arg(i)] - # rargs = [arg(i+1), ..., arg(N-1)] - # - # If allow_interspersed_args is false, largs will always be - # *empty* -- still a subset of [arg0, ..., arg(i-1)], but - # not a very interesting subset! - - def _match_long_opt( - self, opt: str, explicit_value: t.Optional[str], state: ParsingState - ) -> None: - if opt not in self._long_opt: - from difflib import get_close_matches - - possibilities = get_close_matches(opt, self._long_opt) - raise NoSuchOption(opt, possibilities=possibilities, ctx=self.ctx) - - option = self._long_opt[opt] - if option.takes_value: - # At this point it's safe to modify rargs by injecting the - # explicit value, because no exception is raised in this - # branch. This means that the inserted value will be fully - # consumed. - if explicit_value is not None: - state.rargs.insert(0, explicit_value) - - value = self._get_value_from_state(opt, option, state) - - elif explicit_value is not None: - raise BadOptionUsage( - opt, _("Option {name!r} does not take a value.").format(name=opt) - ) - - else: - value = None - - option.process(value, state) - - def _match_short_opt(self, arg: str, state: ParsingState) -> None: - stop = False - i = 1 - prefix = arg[0] - unknown_options = [] - - for ch in arg[1:]: - opt = normalize_opt(f"{prefix}{ch}", self.ctx) - option = self._short_opt.get(opt) - i += 1 - - if not option: - if self.ignore_unknown_options: - unknown_options.append(ch) - continue - raise NoSuchOption(opt, ctx=self.ctx) - if option.takes_value: - # Any characters left in arg? Pretend they're the - # next arg, and stop consuming characters of arg. - if i < len(arg): - state.rargs.insert(0, arg[i:]) - stop = True - - value = self._get_value_from_state(opt, option, state) - - else: - value = None - - option.process(value, state) - - if stop: - break - - # If we got any unknown options we recombine the string of the - # remaining options and re-attach the prefix, then report that - # to the state as new larg. This way there is basic combinatorics - # that can be achieved while still ignoring unknown arguments. - if self.ignore_unknown_options and unknown_options: - state.largs.append(f"{prefix}{''.join(unknown_options)}") - - def _get_value_from_state( - self, option_name: str, option: Option, state: ParsingState - ) -> t.Any: - nargs = option.nargs - - if len(state.rargs) < nargs: - if option.obj._flag_needs_value: - # Option allows omitting the value. - value = _flag_needs_value - else: - raise BadOptionUsage( - option_name, - ngettext( - "Option {name!r} requires an argument.", - "Option {name!r} requires {nargs} arguments.", - nargs, - ).format(name=option_name, nargs=nargs), - ) - elif nargs == 1: - next_rarg = state.rargs[0] - - if ( - option.obj._flag_needs_value - and isinstance(next_rarg, str) - and next_rarg[:1] in self._opt_prefixes - and len(next_rarg) > 1 - ): - # The next arg looks like the start of an option, don't - # use it as the value if omitting the value is allowed. - value = _flag_needs_value - else: - value = state.rargs.pop(0) - else: - value = tuple(state.rargs[:nargs]) - del state.rargs[:nargs] - - return value - - def _process_opts(self, arg: str, state: ParsingState) -> None: - explicit_value = None - # Long option handling happens in two parts. The first part is - # supporting explicitly attached values. In any case, we will try - # to long match the option first. - if "=" in arg: - long_opt, explicit_value = arg.split("=", 1) - else: - long_opt = arg - norm_long_opt = normalize_opt(long_opt, self.ctx) - - # At this point we will match the (assumed) long option through - # the long option matching code. Note that this allows options - # like "-foo" to be matched as long options. - try: - self._match_long_opt(norm_long_opt, explicit_value, state) - except NoSuchOption: - # At this point the long option matching failed, and we need - # to try with short options. However there is a special rule - # which says, that if we have a two character options prefix - # (applies to "--foo" for instance), we do not dispatch to the - # short option code and will instead raise the no option - # error. - if arg[:2] not in self._opt_prefixes: - self._match_short_opt(arg, state) - return - - if not self.ignore_unknown_options: - raise - - state.largs.append(arg) -- cgit v1.2.3