Re-organize directory structure (#4971)

See discussion in #2491

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

stdlib/@python2/tempfile.pyi

@@ -0,0 +1,102 @@
+from random import Random
+from thread import LockType
+from typing import IO, Any, AnyStr, Iterable, Iterator, List, Optional, Text, Tuple, Union, overload
+
+TMP_MAX: int
+tempdir: str
+template: str
+_name_sequence: Optional[_RandomNameSequence]
+
+class _RandomNameSequence:
+    characters: str = ...
+    mutex: LockType
+    @property
+    def rng(self) -> Random: ...
+    def __iter__(self) -> _RandomNameSequence: ...
+    def next(self) -> str: ...
+    # from os.path:
+    def normcase(self, path: AnyStr) -> AnyStr: ...
+
+class _TemporaryFileWrapper(IO[str]):
+    delete: bool
+    file: IO[str]
+    name: Any
+    def __init__(self, file: IO[str], name: Any, delete: bool = ...) -> None: ...
+    def __del__(self) -> None: ...
+    def __enter__(self) -> _TemporaryFileWrapper: ...
+    def __exit__(self, exc, value, tb) -> Optional[bool]: ...
+    def __getattr__(self, name: unicode) -> Any: ...
+    def close(self) -> None: ...
+    def unlink(self, path: unicode) -> None: ...
+    # These methods don't exist directly on this object, but
+    # are delegated to the underlying IO object through __getattr__.
+    # We need to add them here so that this class is concrete.
+    def __iter__(self) -> Iterator[str]: ...
+    def fileno(self) -> int: ...
+    def flush(self) -> None: ...
+    def isatty(self) -> bool: ...
+    def next(self) -> str: ...
+    def read(self, n: int = ...) -> str: ...
+    def readable(self) -> bool: ...
+    def readline(self, limit: int = ...) -> str: ...
+    def readlines(self, hint: int = ...) -> List[str]: ...
+    def seek(self, offset: int, whence: int = ...) -> int: ...
+    def seekable(self) -> bool: ...
+    def tell(self) -> int: ...
+    def truncate(self, size: Optional[int] = ...) -> int: ...
+    def writable(self) -> bool: ...
+    def write(self, s: Text) -> int: ...
+    def writelines(self, lines: Iterable[str]) -> None: ...
+
+# TODO text files
+
+def TemporaryFile(
+    mode: Union[bytes, unicode] = ...,
+    bufsize: int = ...,
+    suffix: Union[bytes, unicode] = ...,
+    prefix: Union[bytes, unicode] = ...,
+    dir: Union[bytes, unicode] = ...,
+) -> _TemporaryFileWrapper: ...
+def NamedTemporaryFile(
+    mode: Union[bytes, unicode] = ...,
+    bufsize: int = ...,
+    suffix: Union[bytes, unicode] = ...,
+    prefix: Union[bytes, unicode] = ...,
+    dir: Union[bytes, unicode] = ...,
+    delete: bool = ...,
+) -> _TemporaryFileWrapper: ...
+def SpooledTemporaryFile(
+    max_size: int = ...,
+    mode: Union[bytes, unicode] = ...,
+    buffering: int = ...,
+    suffix: Union[bytes, unicode] = ...,
+    prefix: Union[bytes, unicode] = ...,
+    dir: Union[bytes, unicode] = ...,
+) -> _TemporaryFileWrapper: ...
+
+class TemporaryDirectory:
+    name: Any
+    def __init__(
+        self, suffix: Union[bytes, unicode] = ..., prefix: Union[bytes, unicode] = ..., dir: Union[bytes, unicode] = ...
+    ) -> None: ...
+    def cleanup(self) -> None: ...
+    def __enter__(self) -> Any: ...  # Can be str or unicode
+    def __exit__(self, type, value, traceback) -> None: ...
+
+@overload
+def mkstemp() -> Tuple[int, str]: ...
+@overload
+def mkstemp(suffix: AnyStr = ..., prefix: AnyStr = ..., dir: Optional[AnyStr] = ..., text: bool = ...) -> Tuple[int, AnyStr]: ...
+@overload
+def mkdtemp() -> str: ...
+@overload
+def mkdtemp(suffix: AnyStr = ..., prefix: AnyStr = ..., dir: Optional[AnyStr] = ...) -> AnyStr: ...
+@overload
+def mktemp() -> str: ...
+@overload
+def mktemp(suffix: AnyStr = ..., prefix: AnyStr = ..., dir: Optional[AnyStr] = ...) -> AnyStr: ...
+def gettempdir() -> str: ...
+def gettempprefix() -> str: ...
+def _candidate_tempdir_list() -> List[str]: ...
+def _get_candidate_names() -> Optional[_RandomNameSequence]: ...
+def _get_default_tempdir() -> str: ...