A couple new definitions, some more unicode for 2.7 (#185)

* Action.__init__(); ArgumentParser.__init__() & print_help()

* pprint() & pformat()

* added unicode support to url{parse,split,join,defrag}

* add unicode support to requests.api

stdlib/2.7/argparse.pyi

@@ -2,7 +2,7 @@
 #
 # NOTE: This dynamically typed stub was automatically generated by stubgen.
 
-from typing import Any, Sequence, Union
+from typing import Any, Callable, Dict, List, IO, Iterable, Sequence, Union
 
 SUPPRESS = ... # type: Any
 OPTIONAL = ... # type: Any
@@ -52,8 +52,17 @@ class Action(_AttributeHolder):
     required = ... # type: Any
     help = ... # type: Any
     metavar = ... # type: Any
-    def __init__(self, option_strings, dest, nargs=..., const=..., default=..., type=...,
-                 choices=..., required=..., help=..., metavar=...): ...
+    def __init__(self,
+                 option_strings: List[str],
+                 dest = str,
+                 nargs: Union[int, str] = ...,
+                 const: Any = ...,
+                 default: Any = ...,
+                 type: Callable[[str], Any] = ...,
+                 choices: Iterable[Any] = ...,
+                 required: bool = ...,
+                 help: str = ...,
+                 metavar: str = ...) -> None: ...
     def __call__(self, parser, namespace, values, option_string=...): ...
 
 class _StoreAction(Action):
@@ -138,7 +147,7 @@ class _ActionsContainer:
         version: str = ...
     ) -> None: ...
     def add_argument_group(self, *args, **kwargs): ...
-    def add_mutually_exclusive_group(self, **kwargs): ...
+    def add_mutually_exclusive_group(self, **kwargs) -> _MutuallyExclusiveGroup: ...
 
 class _ArgumentGroup(_ActionsContainer):
     title = ... # type: Any
@@ -156,9 +165,19 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
     formatter_class = ... # type: Any
     fromfile_prefix_chars = ... # type: Any
     add_help = ... # type: Any
-    def __init__(self, prog=..., usage=..., description=..., epilog=..., version=...,
-                 parents=..., formatter_class=..., prefix_chars=..., fromfile_prefix_chars=...,
-                 argument_default=..., conflict_handler=..., add_help=...): ...
+    def __init__(self,
+                 prog: str = ...,
+                 usage: str = ...,
+                 description: str = ...,
+                 epilog: str = ...,
+                 version: None = ...,
+                 parents: Iterable[ArgumentParser] = ...,
+                 formatter_class: HelpFormatter = ...,
+                 prefix_chars: str = ...,
+                 fromfile_prefix_chars: str = ...,
+                 argument_default: str = ...,
+                 conflict_handler: str = ...,
+                 add_help: bool = ...) -> None: ...
     def add_subparsers(self, **kwargs): ...
     def parse_args(self, args: Sequence[str] = ..., namespace=...): ...
     def parse_known_args(self, args=..., namespace=...): ...
@@ -167,7 +186,7 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
     def format_help(self): ...
     def format_version(self): ...
     def print_usage(self, file=...): ...
-    def print_help(self, file=...): ...
+    def print_help(self, file: IO[Any] = None) -> None: ...
     def print_version(self, file=...): ...
     def exit(self, status=..., message=...): ...
     def error(self, message): ...