Re-organize directory structure (#4971)

See discussion in #2491

Co-authored-by: Ivan Levkivskyi <ilevkivskyi@dropbox.com>

stdlib/distutils/cmd.pyi

@@ -0,0 +1,67 @@
+from abc import abstractmethod
+from distutils.dist import Distribution
+from typing import Any, Callable, Iterable, List, Optional, Tuple, Union
+
+class Command:
+    sub_commands: List[Tuple[str, Optional[Callable[[Command], bool]]]]
+    def __init__(self, dist: Distribution) -> None: ...
+    @abstractmethod
+    def initialize_options(self) -> None: ...
+    @abstractmethod
+    def finalize_options(self) -> None: ...
+    @abstractmethod
+    def run(self) -> None: ...
+    def announce(self, msg: str, level: int = ...) -> None: ...
+    def debug_print(self, msg: str) -> None: ...
+    def ensure_string(self, option: str, default: Optional[str] = ...) -> None: ...
+    def ensure_string_list(self, option: Union[str, List[str]]) -> None: ...
+    def ensure_filename(self, option: str) -> None: ...
+    def ensure_dirname(self, option: str) -> None: ...
+    def get_command_name(self) -> str: ...
+    def set_undefined_options(self, src_cmd: str, *option_pairs: Tuple[str, str]) -> None: ...
+    def get_finalized_command(self, command: str, create: int = ...) -> Command: ...
+    def reinitialize_command(self, command: Union[Command, str], reinit_subcommands: int = ...) -> Command: ...
+    def run_command(self, command: str) -> None: ...
+    def get_sub_commands(self) -> List[str]: ...
+    def warn(self, msg: str) -> None: ...
+    def execute(self, func: Callable[..., Any], args: Iterable[Any], msg: Optional[str] = ..., level: int = ...) -> None: ...
+    def mkpath(self, name: str, mode: int = ...) -> None: ...
+    def copy_file(
+        self,
+        infile: str,
+        outfile: str,
+        preserve_mode: int = ...,
+        preserve_times: int = ...,
+        link: Optional[str] = ...,
+        level: Any = ...,
+    ) -> Tuple[str, bool]: ...  # level is not used
+    def copy_tree(
+        self,
+        infile: str,
+        outfile: str,
+        preserve_mode: int = ...,
+        preserve_times: int = ...,
+        preserve_symlinks: int = ...,
+        level: Any = ...,
+    ) -> List[str]: ...  # level is not used
+    def move_file(self, src: str, dst: str, level: Any = ...) -> str: ...  # level is not used
+    def spawn(self, cmd: Iterable[str], search_path: int = ..., level: Any = ...) -> None: ...  # level is not used
+    def make_archive(
+        self,
+        base_name: str,
+        format: str,
+        root_dir: Optional[str] = ...,
+        base_dir: Optional[str] = ...,
+        owner: Optional[str] = ...,
+        group: Optional[str] = ...,
+    ) -> str: ...
+    def make_file(
+        self,
+        infiles: Union[str, List[str], Tuple[str]],
+        outfile: str,
+        func: Callable[..., Any],
+        args: List[Any],
+        exec_msg: Optional[str] = ...,
+        skip_msg: Optional[str] = ...,
+        level: Any = ...,
+    ) -> None: ...  # level is not used