simpletable.py 文件源码

def get(self, v, full_match=False):
        """ returns a table from columns given as v

        this function is equivalent to :func:`__getitem__` but preserve the
        Table format and associated properties (units, description, header)

        Parameters
        ----------
        v: str
            pattern to filter the keys with

        full_match: bool
            if set, use :func:`re.fullmatch` instead of :func:`re.match`

        """
        new_keys = self.keys(v)
        t = self.__class__(self[new_keys])
        t.header.update(**self.header)
        t._aliases.update((k, v) for (k, v) in self._aliases.items() if v in new_keys)
        t._units.update((k, v) for (k, v) in self._units.items() if v in new_keys)
        t._desc.update((k, v) for (k, v) in self._desc.items() if v in new_keys)
        return t