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How to use get_method_signature_hook method in pandera

Best Python code snippet using pandera_python

plugin.py

Source:plugin.py

...95        return None96    def get_function_hook(self, fullname: str97                          ) -> Optional[Callable[[FunctionContext], Type]]:98        return None99    def get_method_signature_hook(self, fullname: str100                                  ) -> Optional[Callable[[MethodSigContext], CallableType]]:101        return None102    def get_method_hook(self, fullname: str103                        ) -> Optional[Callable[[MethodContext], Type]]:104        return None105    def get_attribute_hook(self, fullname: str106                           ) -> Optional[Callable[[AttributeContext], Type]]:107        return None108    # TODO: metaclass / class decorator hook109T = TypeVar('T')110class ChainedPlugin(Plugin):111    """A plugin that represents a sequence of chained plugins.112    Each lookup method returns the hook for the first plugin that113    reports a match.114    This class should not be subclassed -- use Plugin as the base class115    for all plugins.116    """117    # TODO: Support caching of lookup results (through a LRU cache, for example).118    def __init__(self, options: Options, plugins: List[Plugin]) -> None:119        """Initialize chained plugin.120        Assume that the child plugins aren't mutated (results may be cached).121        """122        super().__init__(options)123        self._plugins = plugins124    def get_type_analyze_hook(self, fullname: str125                              ) -> Optional[Callable[[AnalyzeTypeContext], Type]]:126        return self._find_hook(lambda plugin: plugin.get_type_analyze_hook(fullname))127    def get_function_hook(self, fullname: str128                          ) -> Optional[Callable[[FunctionContext], Type]]:129        return self._find_hook(lambda plugin: plugin.get_function_hook(fullname))130    def get_method_signature_hook(self, fullname: str131                                  ) -> Optional[Callable[[MethodSigContext], CallableType]]:132        return self._find_hook(lambda plugin: plugin.get_method_signature_hook(fullname))133    def get_method_hook(self, fullname: str134                        ) -> Optional[Callable[[MethodContext], Type]]:135        return self._find_hook(lambda plugin: plugin.get_method_hook(fullname))136    def get_attribute_hook(self, fullname: str137                           ) -> Optional[Callable[[AttributeContext], Type]]:138        return self._find_hook(lambda plugin: plugin.get_attribute_hook(fullname))139    def _find_hook(self, lookup: Callable[[Plugin], T]) -> Optional[T]:140        for plugin in self._plugins:141            hook = lookup(plugin)142            if hook:143                return hook144        return None145class DefaultPlugin(Plugin):146    """Type checker plugin that is enabled by default."""147    def get_function_hook(self, fullname: str148                          ) -> Optional[Callable[[FunctionContext], Type]]:149        if fullname == 'contextlib.contextmanager':150            return contextmanager_callback151        elif fullname == 'builtins.open' and self.python_version[0] == 3:152            return open_callback153        return None154    def get_method_signature_hook(self, fullname: str155                                  ) -> Optional[Callable[[MethodSigContext], CallableType]]:156        if fullname == 'typing.Mapping.get':157            return typed_dict_get_signature_callback158        return None159    def get_method_hook(self, fullname: str160                        ) -> Optional[Callable[[MethodContext], Type]]:161        if fullname == 'typing.Mapping.get':162            return typed_dict_get_callback163        elif fullname == 'builtins.int.__pow__':164            return int_pow_callback165        return None166def open_callback(ctx: FunctionContext) -> Type:167    """Infer a better return type for 'open'.168    Infer TextIO or BinaryIO as the return value if the mode argument is not...

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