Finish implementation of the types module

Note that many classes will need special handling in the typing module.

stdlib/3/types.pyi

@@ -1,16 +1,26 @@
 # Stubs for types
+# Note, all classes "defined" here require special handling.
 
-# TODO this is work in progress
+# TODO parts of this should be conditional on version
 
-from typing import Any, Callable, Dict, Sequence, Optional, Tuple
+from typing import Any, Callable, Dict, Iterator, Optional, Tuple, TypeVar, Union, overload
 
-class ModuleType:
-    __name__ = ... # type: str
-    __file__ = ... # type: str
-    def __init__(self, name: str, doc: Any) -> None: ...
+_T = TypeVar('_T')
 
-class MethodType: ...
-class BuiltinMethodType: ...
+class _Cell:
+    cell_contents = ...  # type: Any
+
+class FunctionType:
+    __closure__ = ...  # type: Optional[Tuple[_Cell, ...]]
+    __code__ = ...  # type: CodeType
+    __defaults__ = ...  # type: Optional[Tuple[Any, ...]]
+    __dict__ = ...  # type: Dict[str, Any]
+    __doc__ = ...  # type: Optional[str]
+    __globals__ = ...  # type: Dict[str, Any]
+    __name__ = ...  # type: str
+    def __call__(self, *args: Any, **kwargs: Any) -> Any: ...
+    def __get__(self, obj: Optional[object], type: Optional[type]) -> 'MethodType': ...
+LambdaType = FunctionType
 
 class CodeType:
     """Create a code object.  Not for the faint of heart."""
@@ -47,6 +57,64 @@ class CodeType:
             cellvars: Tuple[str, ...] = (),
     ) -> None: ...
 
+class MappingProxyType:
+    def copy(self) -> dict: ...
+    def get(self, key: str, default: _T = None) -> Union[Any, _T]: ...
+    def items(self) -> Iterator[Tuple[str, Any]]: ...
+    def keys(self) -> Iterator[str]: ...
+    def values(self) -> Iterator[Any]: ...
+    def __contains__(self, key: str) -> bool: ...
+    def __getitem__(self, key: str) -> Any: ...
+    def __iter__(self) -> Iterator[str]: ...
+    def __len__(self) -> int: ...
+class SimpleNamespace: ...
+
+class GeneratorType:
+    gi_code = ...  # type: CodeType
+    gi_frame = ...  # type: FrameType
+    gi_running = ...  # type: bool
+    gi_yieldfrom = ...  # type: Optional[GeneratorType]
+    def __iter__(self) -> 'GeneratorType': ...
+    def __next__(self) -> Any: ...
+    def close(self) -> None: ...
+    def send(self, arg: Any) -> Any: ...
+    @overload
+    def throw(self, val: BaseException) -> Any: ...
+    @overload
+    def throw(self, typ: type, val: BaseException = ..., tb: 'TracebackType' = ...) -> Any: ...
+
+class CoroutineType:
+    cr_await = ...  # type: Optional[Any]
+    cr_code = ...  # type: CodeType
+    cr_frame = ...  # type: FrameType
+    cr_running = ...  # type: bool
+    def close(self) -> None: ...
+    def send(self, arg: Any) -> Any: ...
+    @overload
+    def throw(self, val: BaseException) -> Any: ...
+    @overload
+    def throw(self, typ: type, val: BaseException = ..., tb: 'TracebackType' = ...) -> Any: ...
+
+class MethodType:
+    __func__ = ...  # type: FunctionType
+    __self__ = ...  # type: object
+    def __call__(self, *args: Any, **kwargs: Any) -> Any: ...
+class BuiltinFunctionType:
+    __self__ = ...  # type: Union[object, ModuleType]
+    def __call__(self, *args: Any, **kwargs: Any) -> Any: ...
+BuiltinMethodType = BuiltinFunctionType
+
+class ModuleType:
+    __name__ = ... # type: str
+    __file__ = ... # type: str
+    def __init__(self, name: str, doc: Any) -> None: ...
+
+class TracebackType:
+    tb_frame = ... # type: FrameType
+    tb_lasti = ... # type: int
+    tb_lineno = ... # type: int
+    tb_next = ... # type: TracebackType
+
 class FrameType:
     f_back = ... # type: FrameType
     f_builtins = ... # type: Dict[str, Any]
@@ -59,8 +127,23 @@ class FrameType:
 
     def clear(self) -> None: pass
 
-class TracebackType:
-    tb_frame = ... # type: FrameType
-    tb_lasti = ... # type: int
-    tb_lineno = ... # type: int
-    tb_next = ... # type: TracebackType
+class GetSetDescriptorType:
+    __name__ = ...  # type: str
+    __objclass__ = ...  # type: type
+    def __get__(self, obj: Any, type: type = None) -> Any: ...
+    def __set__(self, obj: Any) -> None: ...
+    def __delete__(self, obj: Any) -> None: ...
+class MemberDescriptorType:
+    __name__ = ...  # type: str
+    __objclass__ = ...  # type: type
+    def __get__(self, obj: Any, type: type = None) -> Any: ...
+    def __set__(self, obj: Any) -> None: ...
+    def __delete__(self, obj: Any) -> None: ...
+
+def new_class(name: str, bases: Tuple[type, ...] = (), kwds: Dict[str, Any] = None, exec_body: Callable[[Dict[str, Any]], None] = None) -> type: ...
+def prepare_class(name: str, bases: Tuple[type, ...] = (), kwds: Dict[str, Any] = None) -> Tuple[type, Dict[str, Any], Dict[str, Any]]: ...
+
+# Actually a different type, but `property` is special and we want that too.
+DynamicClassAttribute = property
+
+def coroutine(f: Callable[..., Any]) -> CoroutineType: ...