__init__.py 文件源码

def type(self, name, new_type=None):
        """Find or change the CDF type of a zEntry in this zVar

        @param name: name of the zAttr to check or change
        @type name: str
        @param new_type: type to change it to, see :py:mod:`pycdf.const`
        @type new_type: ctypes.c_long
        @return: CDF variable type, see :py:mod:`pycdf.const`
        @rtype: int
        @note: If changing types, old and new must be equivalent, see CDF
               User's Guide section 2.5.5 pg. 57
        """
        attrib = super(zAttrList, self).__getitem__(name)
        zvar_num = self._zvar._num()
        if not attrib.has_entry(zvar_num):
            raise KeyError(name + ': no such attribute for variable ' +
                           self._zvar.name())
        return attrib.type(zvar_num, new_type)