Consistently use '= ...' for optional parameters.

stdlib/2.7/argparse.pyi

@@ -14,18 +14,18 @@ REMAINDER = ... # type: Any
 class _AttributeHolder: ...
 
 class HelpFormatter:
-    def __init__(self, prog, indent_increment=2, max_help_position=24, width=None) -> None: ...
+    def __init__(self, prog, indent_increment=..., max_help_position=..., width=...) -> None: ...
     class _Section:
         formatter = ... # type: Any
         parent = ... # type: Any
         heading = ... # type: Any
         items = ... # type: Any
-        def __init__(self, formatter, parent, heading=None) -> None: ...
+        def __init__(self, formatter, parent, heading=...) -> None: ...
         def format_help(self): ...
     def start_section(self, heading): ...
     def end_section(self): ...
     def add_text(self, text): ...
-    def add_usage(self, usage, actions, groups, prefix=None): ...
+    def add_usage(self, usage, actions, groups, prefix=...): ...
     def add_argument(self, action): ...
     def add_arguments(self, actions): ...
     def format_help(self): ...
@@ -52,58 +52,58 @@ class Action(_AttributeHolder):
     required = ... # type: Any
     help = ... # type: Any
     metavar = ... # type: Any
-    def __init__(self, option_strings, dest, nargs=None, const=None, default=None, type=None,
-                 choices=None, required=False, help=None, metavar=None): ...
-    def __call__(self, parser, namespace, values, option_string=None): ...
+    def __init__(self, option_strings, dest, nargs=..., const=..., default=..., type=...,
+                 choices=..., required=..., help=..., metavar=...): ...
+    def __call__(self, parser, namespace, values, option_string=...): ...
 
 class _StoreAction(Action):
-    def __init__(self, option_strings, dest, nargs=None, const=None, default=None, type=None,
-                 choices=None, required=False, help=None, metavar=None): ...
-    def __call__(self, parser, namespace, values, option_string=None): ...
+    def __init__(self, option_strings, dest, nargs=..., const=..., default=..., type=...,
+                 choices=..., required=..., help=..., metavar=...): ...
+    def __call__(self, parser, namespace, values, option_string=...): ...
 
 class _StoreConstAction(Action):
-    def __init__(self, option_strings, dest, const, default=None, required=False, help=None,
-                 metavar=None): ...
-    def __call__(self, parser, namespace, values, option_string=None): ...
+    def __init__(self, option_strings, dest, const, default=..., required=..., help=...,
+                 metavar=...): ...
+    def __call__(self, parser, namespace, values, option_string=...): ...
 
 class _StoreTrueAction(_StoreConstAction):
-    def __init__(self, option_strings, dest, default=False, required=False, help=None) -> None: ...
+    def __init__(self, option_strings, dest, default=..., required=..., help=...) -> None: ...
 
 class _StoreFalseAction(_StoreConstAction):
-    def __init__(self, option_strings, dest, default=True, required=False, help=None) -> None: ...
+    def __init__(self, option_strings, dest, default=..., required=..., help=...) -> None: ...
 
 class _AppendAction(Action):
-    def __init__(self, option_strings, dest, nargs=None, const=None, default=None, type=None,
-                 choices=None, required=False, help=None, metavar=None): ...
-    def __call__(self, parser, namespace, values, option_string=None): ...
+    def __init__(self, option_strings, dest, nargs=..., const=..., default=..., type=...,
+                 choices=..., required=..., help=..., metavar=...): ...
+    def __call__(self, parser, namespace, values, option_string=...): ...
 
 class _AppendConstAction(Action):
-    def __init__(self, option_strings, dest, const, default=None, required=False, help=None,
-                 metavar=None): ...
-    def __call__(self, parser, namespace, values, option_string=None): ...
+    def __init__(self, option_strings, dest, const, default=..., required=..., help=...,
+                 metavar=...): ...
+    def __call__(self, parser, namespace, values, option_string=...): ...
 
 class _CountAction(Action):
-    def __init__(self, option_strings, dest, default=None, required=False, help=None) -> None: ...
-    def __call__(self, parser, namespace, values, option_string=None): ...
+    def __init__(self, option_strings, dest, default=..., required=..., help=...) -> None: ...
+    def __call__(self, parser, namespace, values, option_string=...): ...
 
 class _HelpAction(Action):
-    def __init__(self, option_strings, dest=..., default=..., help=None) -> None: ...
-    def __call__(self, parser, namespace, values, option_string=None): ...
+    def __init__(self, option_strings, dest=..., default=..., help=...) -> None: ...
+    def __call__(self, parser, namespace, values, option_string=...): ...
 
 class _VersionAction(Action):
     version = ... # type: Any
-    def __init__(self, option_strings, version=None, dest=..., default=..., help='') -> None: ...
-    def __call__(self, parser, namespace, values, option_string=None): ...
+    def __init__(self, option_strings, version=..., dest=..., default=..., help=...) -> None: ...
+    def __call__(self, parser, namespace, values, option_string=...): ...
 
 class _SubParsersAction(Action):
     class _ChoicesPseudoAction(Action):
         def __init__(self, name, help) -> None: ...
-    def __init__(self, option_strings, prog, parser_class, dest=..., help=None, metavar=None) -> None: ...
+    def __init__(self, option_strings, prog, parser_class, dest=..., help=..., metavar=...) -> None: ...
     def add_parser(self, name, **kwargs): ...
-    def __call__(self, parser, namespace, values, option_string=None): ...
+    def __call__(self, parser, namespace, values, option_string=...): ...
 
 class FileType:
-    def __init__(self, mode='', bufsize=-1) -> None: ...
+    def __init__(self, mode=..., bufsize=...) -> None: ...
     def __call__(self, string): ...
 
 class Namespace(_AttributeHolder):
@@ -124,26 +124,26 @@ class _ActionsContainer:
     def get_default(self, dest): ...
     def add_argument(self,
         *args: str,
-        action: str = None,
-        nargs: str = None,
-        const: Any = None,
-        default: Any = None,
-        type: Any = None,
-        choices: Any = None, # TODO: Container?
-        required: bool = None,
-        help: str = None,
-        metavar: str = None,
-        dest: str = None) -> None: ...
+        action: str = ...,
+        nargs: str = ...,
+        const: Any = ...,
+        default: Any = ...,
+        type: Any = ...,
+        choices: Any = ..., # TODO: Container?
+        required: bool = ...,
+        help: str = ...,
+        metavar: str = ...,
+        dest: str = ...) -> None: ...
     def add_argument_group(self, *args, **kwargs): ...
     def add_mutually_exclusive_group(self, **kwargs): ...
 
 class _ArgumentGroup(_ActionsContainer):
     title = ... # type: Any
-    def __init__(self, container, title=None, description=None, **kwargs) -> None: ...
+    def __init__(self, container, title=..., description=..., **kwargs) -> None: ...
 
 class _MutuallyExclusiveGroup(_ArgumentGroup):
     required = ... # type: Any
-    def __init__(self, container, required=False) -> None: ...
+    def __init__(self, container, required=...) -> None: ...
 
 class ArgumentParser(_AttributeHolder, _ActionsContainer):
     prog = ... # type: Any
@@ -153,18 +153,18 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
     formatter_class = ... # type: Any
     fromfile_prefix_chars = ... # type: Any
     add_help = ... # type: Any
-    def __init__(self, prog=None, usage=None, description=None, epilog=None, version=None,
-                 parents=..., formatter_class=..., prefix_chars='', fromfile_prefix_chars=None,
-                 argument_default=None, conflict_handler='', add_help=True): ...
+    def __init__(self, prog=..., usage=..., description=..., epilog=..., version=...,
+                 parents=..., formatter_class=..., prefix_chars=..., fromfile_prefix_chars=...,
+                 argument_default=..., conflict_handler=..., add_help=...): ...
     def add_subparsers(self, **kwargs): ...
-    def parse_args(self, args: Sequence[str] = None, namespace=None): ...
-    def parse_known_args(self, args=None, namespace=None): ...
+    def parse_args(self, args: Sequence[str] = ..., namespace=...): ...
+    def parse_known_args(self, args=..., namespace=...): ...
     def convert_arg_line_to_args(self, arg_line): ...
     def format_usage(self): ...
     def format_help(self): ...
     def format_version(self): ...
-    def print_usage(self, file=None): ...
-    def print_help(self, file=None): ...
-    def print_version(self, file=None): ...
-    def exit(self, status=0, message=None): ...
+    def print_usage(self, file=...): ...
+    def print_help(self, file=...): ...
+    def print_version(self, file=...): ...
+    def exit(self, status=..., message=...): ...
     def error(self, message): ...