Add binascii, errno, fcntl, imp, marshal, select, sys, unicodedata.

Some stubs inspired or adapted from mypy stubs.

2.7/unicodedata.pyi

@@ -0,0 +1,39 @@
+"""Stubs for the 'unicodedata' module."""
+
+from typing import Any, TypeVar
+
+ucd_3_2_0 = ... # type: UCD
+ucnhash_CAPI = ... # type: Any (PyCapsule)
+unidata_version = ... # type: str
+
+_default = TypeVar("default")
+
+def bidirectional(unichr: unicode) -> str: ...
+def category(unichr: unicode) -> str: ...
+def combining(unichr: unicode) -> int: ...
+def decimal(chr: unicode, default=_default) -> Union[int, _default]: ...
+def decomposition(unichr: unicode) -> str: ...
+def digit(chr: unicode, default=_default) -> Union[int, _default]: ...
+def east_asian_width(unichr: unicode): str
+def lookup(name: str): unicode
+def mirrored(unichr: unicode): int
+def name(chr: unicode, default=_default) -> Union[str, _default]: ...
+def normalize(form: str, unistr: unicode) -> unicode: ...
+def numeric(chr, default=_default): Union[float, _default]: ...
+
+class UCD(object):
+    unidata_version = ... # type: str
+    # The methods below are constructed from the same array in C
+    # (unicodedata_functions) and hence identical to the methods above.
+    def bidirectional(unichr: unicode) -> str: ...
+    def category(unichr: unicode) -> str: ...
+    def combining(unichr: unicode) -> int: ...
+    def decimal(chr: unicode, default=_default) -> Union[int, _default]: ...
+    def decomposition(unichr: unicode) -> str: ...
+    def digit(chr: unicode, default=_default) -> Union[int, _default]: ...
+    def east_asian_width(unichr: unicode): str
+    def lookup(name: str): unicode
+    def mirrored(unichr: unicode): int
+    def name(chr: unicode, default=_default) -> Union[str, _default]: ...
+    def normalize(form: str, unistr: unicode) -> unicode: ...
+    def numeric(chr, default=_default): Union[float, _default]: ...