Re-organize directory structure (#4971)

See discussion in #2491

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

stdlib/distutils/log.pyi

@@ -0,0 +1,25 @@
+from typing import Any
+
+DEBUG: int
+INFO: int
+WARN: int
+ERROR: int
+FATAL: int
+
+class Log:
+    def __init__(self, threshold: int = ...) -> None: ...
+    def log(self, level: int, msg: str, *args: Any) -> None: ...
+    def debug(self, msg: str, *args: Any) -> None: ...
+    def info(self, msg: str, *args: Any) -> None: ...
+    def warn(self, msg: str, *args: Any) -> None: ...
+    def error(self, msg: str, *args: Any) -> None: ...
+    def fatal(self, msg: str, *args: Any) -> None: ...
+
+def log(level: int, msg: str, *args: Any) -> None: ...
+def debug(msg: str, *args: Any) -> None: ...
+def info(msg: str, *args: Any) -> None: ...
+def warn(msg: str, *args: Any) -> None: ...
+def error(msg: str, *args: Any) -> None: ...
+def fatal(msg: str, *args: Any) -> None: ...
+def set_threshold(level: int) -> int: ...
+def set_verbosity(v: int) -> None: ...