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base.py
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base.py
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from argparse import (
Action,
ArgumentParser,
RawTextHelpFormatter,
_SubParsersAction,
)
from typing import Any
class SanicArgumentParser(ArgumentParser):
def _check_value(self, action: Action, value: Any) -> None:
if isinstance(action, SanicSubParsersAction):
return
super()._check_value(action, value)
class SanicHelpFormatter(RawTextHelpFormatter):
...
class SanicSubParsersAction(_SubParsersAction):
def __call__(self, parser, namespace, values, option_string=None):
self._name_parser_map
parser_name = values[0]
if parser_name not in self._name_parser_map:
self._name_parser_map[parser_name] = parser
values = ["<custom>", *values]
super().__call__(parser, namespace, values, option_string)