def _param_to_argparse_args(self, param, is_bool):
"""Get argparse positional arguments for a parameter.
Args:
param: The inspect.Parameter object to get the args for.
is_bool: Whether the parameter is a boolean.
Return:
A list of args.
"""
args = []
name = argparser.arg_name(param.name)
arg_info = self.get_arg_info(param)
if arg_info.flag is not None:
shortname = arg_info.flag
else:
shortname = name[0]
if len(shortname) != 1:
raise ValueError("Flag '{}' of parameter {} (command {}) must be "
"exactly 1 char!".format(shortname, name,
self.name))
if is_bool or param.kind == inspect.Parameter.KEYWORD_ONLY:
long_flag = '--{}'.format(name)
short_flag = '-{}'.format(shortname)
args.append(long_flag)
args.append(short_flag)
self.opt_args[param.name] = long_flag, short_flag
if not is_bool:
self.flags_with_args += [short_flag, long_flag]
else:
if not arg_info.hide:
self.pos_args.append((param.name, name))
return args
def _param_to_argparse_args(self, param, is_bool):
"""Get argparse positional arguments for a parameter.
Args:
param: The inspect.Parameter object to get the args for.
is_bool: Whether the parameter is a boolean.
Return:
A list of args.
"""
args = []
name = argparser.arg_name(param.name)
arg_info = self.get_arg_info(param)
if arg_info.flag is not None:
shortname = arg_info.flag
else:
shortname = name[0]
if len(shortname) != 1:
raise ValueError("Flag '{}' of parameter {} (command {}) must be "
"exactly 1 char!".format(shortname, name,
self.name))
if is_bool or param.kind == inspect.Parameter.KEYWORD_ONLY:
long_flag = '--{}'.format(name)
short_flag = '-{}'.format(shortname)
args.append(long_flag)
args.append(short_flag)
self.opt_args[param.name] = long_flag, short_flag
if not is_bool:
self.flags_with_args += [short_flag, long_flag]
else:
if not arg_info.hide:
self.pos_args.append((param.name, name))
return args
def _param_to_argparse_kwargs(self, param, is_bool):
"""Get argparse keyword arguments for a parameter.
Args:
param: The inspect.Parameter object to get the args for.
is_bool: Whether the parameter is a boolean.
Return:
A kwargs dict.
"""
kwargs = {}
try:
kwargs['help'] = self.docparser.arg_descs[param.name]
except KeyError:
pass
kwargs['dest'] = param.name
arg_info = self.get_arg_info(param)
if is_bool:
kwargs['action'] = 'store_true'
else:
if arg_info.metavar is not None:
kwargs['metavar'] = arg_info.metavar
else:
kwargs['metavar'] = argparser.arg_name(param.name)
if param.kind == inspect.Parameter.VAR_POSITIONAL:
kwargs['nargs'] = '*' if self._star_args_optional else '+'
elif param.kind == inspect.Parameter.KEYWORD_ONLY:
kwargs['default'] = param.default
elif not is_bool and param.default is not inspect.Parameter.empty:
kwargs['default'] = param.default
kwargs['nargs'] = '?'
return kwargs
def _param_to_argparse_kwargs(self, param, is_bool):
"""Get argparse keyword arguments for a parameter.
Args:
param: The inspect.Parameter object to get the args for.
is_bool: Whether the parameter is a boolean.
Return:
A kwargs dict.
"""
kwargs = {}
try:
kwargs['help'] = self.docparser.arg_descs[param.name]
except KeyError:
pass
kwargs['dest'] = param.name
arg_info = self.get_arg_info(param)
if is_bool:
kwargs['action'] = 'store_true'
else:
if arg_info.metavar is not None:
kwargs['metavar'] = arg_info.metavar
else:
kwargs['metavar'] = argparser.arg_name(param.name)
if param.kind == inspect.Parameter.VAR_POSITIONAL:
kwargs['nargs'] = '*' if self._star_args_optional else '+'
elif param.kind == inspect.Parameter.KEYWORD_ONLY:
kwargs['default'] = param.default
elif not is_bool and param.default is not inspect.Parameter.empty:
kwargs['default'] = param.default
kwargs['nargs'] = '?'
return kwargs
def _get_default_metavar_for_positional(self, action):
"""Do name transforming when getting metavar."""
return argparser.arg_name(action.dest)
def _get_default_metavar_for_positional(self, action):
"""Do name transforming when getting metavar."""
return argparser.arg_name(action.dest)
