Move 2.7 to 2 (#635)

Closes #579.

stdlib/2/sys.pyi

@@ -0,0 +1,136 @@
+"""Stubs for the 'sys' module."""
+
+from typing import (
+    IO, Union, List, Sequence, Any, Dict, Tuple, BinaryIO, Optional, Callable,
+    overload, Type,
+)
+from types import FrameType, ModuleType, TracebackType, ClassType
+
+class _flags:
+    bytes_warning = ...  # type: int
+    debug = ...  # type: int
+    division_new = ...  # type: int
+    division_warning = ...  # type: int
+    dont_write_bytecode = ...  # type: int
+    hash_randomization = ...  # type: int
+    ignore_environment = ...  # type: int
+    inspect = ...  # type: int
+    interactive = ...  # type: int
+    no_site = ...  # type: int
+    no_user_site = ...  # type: int
+    optimize = ...  # type: int
+    py3k_warning = ...  # type: int
+    tabcheck = ...  # type: int
+    unicode = ...  # type: int
+    verbose = ...  # type: int
+
+class _float_info:
+    max = ...  # type: float
+    max_exp = ...  # type: int
+    max_10_exp = ...  # type: int
+    min = ...  # type: float
+    min_exp = ...  # type: int
+    min_10_exp = ...  # type: int
+    dig = ...  # type: int
+    mant_dig = ...  # type: int
+    epsilon = ...  # type: float
+    radix = ...  # type: int
+    rounds = ...  # type: int
+
+class _version_info(Tuple[int, int, int, str, int]):
+    major = 0
+    minor = 0
+    micro = 0
+    releaselevel = ...  # type: str
+    serial = 0
+
+_mercurial = ...  # type: Tuple[str, str, str]
+api_version = ...  # type: int
+argv = ...  # type: List[str]
+builtin_module_names = ...  # type: Tuple[str, ...]
+byteorder = ...  # type: str
+copyright = ...  # type: str
+dont_write_bytecode = ...  # type: bool
+exec_prefix = ...  # type: str
+executable = ...  # type: str
+flags = ...  # type: _flags
+float_repr_style = ...  # type: str
+hexversion = ...  # type: int
+long_info = ...  # type: object
+maxint = ...  # type: int
+maxsize = ...  # type: int
+maxunicode = ...  # type: int
+modules = ...  # type: Dict[str, ModuleType]
+path = ...  # type: List[str]
+platform = ...  # type: str
+prefix = ...  # type: str
+py3kwarning = ...  # type: bool
+__stderr__ = ...  # type: IO[str]
+__stdin__ = ...  # type: IO[str]
+__stdout__ = ...  # type: IO[str]
+stderr = ...  # type: IO[str]
+stdin = ...  # type: IO[str]
+stdout = ...  # type: IO[str]
+subversion = ...  # type: Tuple[str, str, str]
+version = ...  # type: str
+warnoptions = ...  # type: object
+float_info = ...  # type: _float_info
+version_info = ...  # type: _version_info
+ps1 = ...  # type: str
+ps2 = ...  # type: str
+last_type = ...  # type: type
+last_value = ...  # type: BaseException
+last_traceback = ...  # type: TracebackType
+# TODO precise types
+meta_path = ...  # type: List[Any]
+path_hooks = ...  # type: List[Any]
+path_importer_cache = ...  # type: Dict[str, Any]
+displayhook = ...  # type: Optional[Callable[[int], None]]
+excepthook = ...  # type: Optional[Callable[[type, BaseException, TracebackType], None]]
+exc_type = ...  # type: Optional[type]
+exc_value = ...  # type: Union[BaseException, ClassType]
+exc_traceback = ...  # type: TracebackType
+
+class _WindowsVersionType:
+    major = ...  # type: Any
+    minor = ...  # type: Any
+    build = ...  # type: Any
+    platform = ...  # type: Any
+    service_pack = ...  # type: Any
+    service_pack_major = ...  # type: Any
+    service_pack_minor = ...  # type: Any
+    suite_mask = ...  # type: Any
+    product_type = ...  # type: Any
+
+def getwindowsversion() -> _WindowsVersionType: ...
+
+def _clear_type_cache() -> None: ...
+def _current_frames() -> Dict[int, FrameType]: ...
+def _getframe(depth: int = ...) -> FrameType: ...
+def call_tracing(fn: Any, args: Any) -> Any: ...
+def __displayhook__(value: int) -> None: ...
+def __excepthook__(type_: type, value: BaseException, traceback: TracebackType) -> None: ...
+def exc_clear() -> None:
+    raise DeprecationWarning()
+# TODO should be a union of tuple, see mypy#1178
+def exc_info() -> Tuple[Optional[Type[BaseException]],
+                        Optional[BaseException],
+                        Optional[TracebackType]]: ...
+
+# sys.exit() accepts an optional argument of anything printable
+def exit(arg: Any = ...) -> None:
+    raise SystemExit()
+def getcheckinterval() -> int: ...  # deprecated
+def getdefaultencoding() -> str: ...
+def getdlopenflags() -> int: ...
+def getfilesystemencoding() -> Union[str, None]: ...
+def getrefcount(arg: Any) -> int: ...
+def getrecursionlimit() -> int: ...
+def getsizeof(obj: object, default: int = ...) -> int: ...
+def getprofile() -> None: ...
+def gettrace() -> None: ...
+def setcheckinterval(interval: int) -> None: ...  # deprecated
+def setdlopenflags(n: int) -> None: ...
+def setprofile(profilefunc: Any) -> None: ... # TODO type
+def setrecursionlimit(limit: int) -> None: ...
+def settrace(tracefunc: Any) -> None: ... # TODO type