ndarray.py 文件源码

def __setitem__(self, in_slice, value):
        """Set ndarray value"""
        if not self.writable:
            raise ValueError('trying to assign to a readonly NDArray')
        if isinstance(in_slice, int):
            sliced_arr = self._at(in_slice)
            sliced_arr[:] = value
            return
        if not isinstance(in_slice, slice) or in_slice.step is not None:
            raise ValueError('NDArray only support continuous slicing on axis 0')
        if in_slice.start is not None or in_slice.stop is not None:
            sliced_arr = self._slice(in_slice.start, in_slice.stop)
            sliced_arr[:] = value
            return
        if isinstance(value, NDArray):
            if value.handle is not self.handle:
                value.copyto(self)
        elif isinstance(value, numeric_types):
            NDArray._set_value(float(value), out=self)
        elif isinstance(value, (np.ndarray, np.generic)):
            self._sync_copyfrom(value)
        else:
            raise TypeError('type %s not supported' % str(type(value)))