from typing import List, Optional, Tuple, Iterable, IO, Any
import types

def get_magic() -> str: ...
def get_suffixes() -> List[Tuple[str, str, int]]: ...
PY_SOURCE = 0
PY_COMPILED = 0
C_EXTENSION = 0

def find_module(name: str, path: Iterable[str] = None) -> Optional[Tuple[str, str, Tuple[str, str, int]]]: ...

# TODO: module object
def load_module(name: str, file: str, pathname: str, description: Tuple[str, str, int]) -> types.ModuleType: ...

def new_module(name: str) -> types.ModuleType: ...
def lock_held() -> bool: ...
def acquire_lock() -> None: ...
def release_lock() -> None: ...

PKG_DIRECTORY = 0
C_BUILTIN = 0
PY_FROZEN = 0

SEARCH_ERROR = 0
def init_builtin(name: str) -> types.ModuleType: ...
def init_frozen(name: str) -> types.ModuleType: ...
def is_builtin(name: str) -> int: ...
def is_frozen(name: str) -> bool: ...
def load_compiled(name: str, pathname: str, file: IO[Any] = None) -> types.ModuleType: ...
def load_dynamic(name: str, pathname: str, file: IO[Any] = None) -> types.ModuleType: ...
def load_source(name: str, pathname: str, file: IO[Any] = None) -> types.ModuleType: ...

class NullImporter:
    def __init__(self, path_string: str) -> None: ...
    def find_module(fullname: str, path: str = None) -> None: ...