Move 2.7 to 2 (#635)

Closes #579.

stdlib/2/functools.pyi

@@ -0,0 +1,34 @@
+# Stubs for functools (Python 2.7)
+
+# NOTE: These are incomplete!
+
+from abc import ABCMeta, abstractmethod
+from typing import Any, Callable, Generic, Dict, Iterable, Optional, Sequence, Tuple, TypeVar, overload
+from collections import namedtuple
+
+_AnyCallable = Callable[..., Any]
+
+_T = TypeVar("_T")
+_S = TypeVar("_S")
+@overload
+def reduce(function: Callable[[_T, _T], _T],
+           sequence: Iterable[_T]) -> _T: ...
+@overload
+def reduce(function: Callable[[_T, _S], _T],
+           sequence: Iterable[_S], initial: _T) -> _T: ...
+
+WRAPPER_ASSIGNMENTS = ... # type: Sequence[str]
+WRAPPER_UPDATES = ... # type: Sequence[str]
+
+def update_wrapper(wrapper: _AnyCallable, wrapped: _AnyCallable, assigned: Sequence[str] = ...,
+                   updated: Sequence[str] = ...) -> None: ...
+def wraps(wrapped: _AnyCallable, assigned: Sequence[str] = ..., updated: Sequence[str] = ...) -> Callable[[_AnyCallable], _AnyCallable]: ...
+def total_ordering(cls: type) -> type: ...
+def cmp_to_key(mycmp: Callable[[_T, _T], int]) -> Callable[[_T], Any]: ...
+
+class partial(Generic[_T]):
+    func = ...  # Callable[..., _T]
+    args = ...  # type: Tuple[Any, ...]
+    keywords = ...  # type: Dict[str, Any]
+    def __init__(self, func: Callable[..., _T], *args: Any, **kwargs: Any) -> None: ...
+    def __call__(self, *args: Any, **kwargs: Any) -> _T: ...