# Path: xmanager/xm/pattern_matching.py
# R = TypeVar('R')
# class Case(Generic[R]):
#   def __init__(
#       self,
#       kind: Iterable[Type[Any]],
#       handler: Callable[..., R],
#   ) -> None:
#   def matches(self, *values: Any) -> bool:
# def _deduce_types(handler: Callable[..., Any]) -> Tuple[Type[Any]]:
#   def get_arg_type(arg: str):
# def match(*handlers: Union[Case[R], Callable[..., R]]) -> Callable[..., R]:
#   def apply(*values: Any) -> R:
# def async_match(*handlers: Callable[..., R]) -> Callable[..., Awaitable[R]]:
# 
# Path: xmanager/xm/utils.py
# FLAGS = flags.FLAGS
# ARG_ESCAPER = pattern_matching.match(
#     pattern_matching.Case([ShellSafeArg], lambda v: v.arg),
#     pattern_matching.Case([enum.Enum], lambda v: shlex.quote(str(v.name))),
#     pattern_matching.Case([Any], lambda v: shlex.quote(str(v))),
# )
# class SpecialArg(abc.ABC):
# class ShellSafeArg(SpecialArg):
# def trivial_kwargs_joiner(key: str, value: str) -> str:
# def run_in_asyncio_loop(
#     f: Callable[..., ReturnType]) -> Callable[..., ReturnType]:
#   def decorated(*args, **kwargs) -> ReturnType:
# def find_launch_script_path() -> str:
# def resolve_path_relative_to_launcher(path: str) -> str:


import abc
import attr
from typing import Any, Awaitable, Callable, Dict, List, Mapping, Optional, Sequence, Tuple, TypeVar, Union
from xmanager.xm import pattern_matching
from xmanager.xm import utils
  @attr.s(auto_attribs=True)
  class _KeywordItem:
    name: str

  def __init__(self) -> None:
    """Constucts an empty SequentialArgs.

    Prefer using xm.merge_args to construct SequentialArgs objects.
    """
    self._items: List[Union[SequentialArgs._RegularItem,
                            SequentialArgs._KeywordItem]] = []
    self._kwvalues: Dict[str, Any] = {}

  def _ingest_regular_item(self, value: Any) -> None:
    self._items.append(SequentialArgs._RegularItem(value))

  def _ingest_keyword_item(self, name: str, value: Any) -> None:
    if name not in self._kwvalues:
      self._items.append(SequentialArgs._KeywordItem(name))
    self._kwvalues[name] = value

  def _merge_from(self, args: 'SequentialArgs') -> None:
    """Merges another instance of SequentialArgs into self."""

    def import_regular_item(item: SequentialArgs._RegularItem):
      self._ingest_regular_item(item.value)

    def import_keyword_item(item: SequentialArgs._KeywordItem):
      self._ingest_keyword_item(item.name, args._kwvalues[item.name])  # pylint: disable=protected-access


# Path: xmanager/xm/pattern_matching.py
# R = TypeVar('R')
# class Case(Generic[R]):
#   def __init__(
#       self,
#       kind: Iterable[Type[Any]],
#       handler: Callable[..., R],
#   ) -> None:
#   def matches(self, *values: Any) -> bool:
# def _deduce_types(handler: Callable[..., Any]) -> Tuple[Type[Any]]:
#   def get_arg_type(arg: str):
# def match(*handlers: Union[Case[R], Callable[..., R]]) -> Callable[..., R]:
#   def apply(*values: Any) -> R:
# def async_match(*handlers: Callable[..., R]) -> Callable[..., Awaitable[R]]:
# 
# Path: xmanager/xm/utils.py
# FLAGS = flags.FLAGS
# ARG_ESCAPER = pattern_matching.match(
#     pattern_matching.Case([ShellSafeArg], lambda v: v.arg),
#     pattern_matching.Case([enum.Enum], lambda v: shlex.quote(str(v.name))),
#     pattern_matching.Case([Any], lambda v: shlex.quote(str(v))),
# )
# class SpecialArg(abc.ABC):
# class ShellSafeArg(SpecialArg):
# def trivial_kwargs_joiner(key: str, value: str) -> str:
# def run_in_asyncio_loop(
#     f: Callable[..., ReturnType]) -> Callable[..., ReturnType]:
#   def decorated(*args, **kwargs) -> ReturnType:
# def find_launch_script_path() -> str:
# def resolve_path_relative_to_launcher(path: str) -> str:


# Path: xmanager/xm/job_blocks.py
import abc
import attr
from typing import Any, Awaitable, Callable, Dict, List, Mapping, Optional, Sequence, Tuple, TypeVar, Union
from xmanager.xm import pattern_matching
from xmanager.xm import utils

  @attr.s(auto_attribs=True)
  class _KeywordItem:
    name: str

  def __init__(self) -> None:
    """Constucts an empty SequentialArgs.

    Prefer using xm.merge_args to construct SequentialArgs objects.
    """
    self._items: List[Union[SequentialArgs._RegularItem,
                            SequentialArgs._KeywordItem]] = []
    self._kwvalues: Dict[str, Any] = {}

  def _ingest_regular_item(self, value: Any) -> None:
    self._items.append(SequentialArgs._RegularItem(value))

  def _ingest_keyword_item(self, name: str, value: Any) -> None:
    if name not in self._kwvalues:
      self._items.append(SequentialArgs._KeywordItem(name))
    self._kwvalues[name] = value

  def _merge_from(self, args: 'SequentialArgs') -> None:
    """Merges another instance of SequentialArgs into self."""

    def import_regular_item(item: SequentialArgs._RegularItem):
      self._ingest_regular_item(item.value)

    def import_keyword_item(item: SequentialArgs._KeywordItem):
      self._ingest_keyword_item(item.name, args._kwvalues[item.name])  # pylint: disable=protected-access


    matcher = pattern_matching.match(