1  import sys
   2  from _typeshed import SupportsRead
   3  from typing import IO, Any, Callable, Iterable, Iterator, NamedTuple, Optional, Tuple, Union
   4  
   5  if sys.version_info >= (3,):
   6      from importlib.abc import Loader, MetaPathFinder, PathEntryFinder
   7  else:
   8      Loader = Any
   9      MetaPathFinder = Any
  10      PathEntryFinder = Any
  11  
  12  if sys.version_info >= (3, 6):
  13      class ModuleInfo(NamedTuple):
  14          module_finder: Union[MetaPathFinder, PathEntryFinder]
  15          name: str
  16          ispkg: bool
  17      _ModuleInfoLike = ModuleInfo
  18  else:
  19      _ModuleInfoLike = Tuple[Union[MetaPathFinder, PathEntryFinder], str, bool]
  20  
  21  def extend_path(path: Iterable[str], name: str) -> Iterable[str]: ...
  22  
  23  class ImpImporter:
  24      def __init__(self, dirname: Optional[str] = ...) -> None: ...
  25  
  26  class ImpLoader:
  27      def __init__(self, fullname: str, file: IO[str], filename: str, etc: Tuple[str, str, int]) -> None: ...
  28  
  29  def find_loader(fullname: str) -> Optional[Loader]: ...
  30  def get_importer(path_item: str) -> Optional[PathEntryFinder]: ...
  31  def get_loader(module_or_name: str) -> Loader: ...
  32  def iter_importers(fullname: str = ...) -> Iterator[Union[MetaPathFinder, PathEntryFinder]]: ...
  33  def iter_modules(path: Optional[Iterable[str]] = ..., prefix: str = ...) -> Iterator[_ModuleInfoLike]: ...
  34  def read_code(stream: SupportsRead[bytes]) -> Any: ...  # undocumented
  35  def walk_packages(
  36      path: Optional[Iterable[str]] = ..., prefix: str = ..., onerror: Optional[Callable[[str], None]] = ...
  37  ) -> Iterator[_ModuleInfoLike]: ...
  38  def get_data(package: str, resource: str) -> Optional[bytes]: ...
  39