Beispiel #1
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 def deserialize(cls, header, frames):
     dtype = header["dtype"]
     data = Buffer.deserialize(header["data"], [frames[0]])
     mask = None
     if "mask" in header:
         mask = Buffer.deserialize(header["mask"], [frames[1]])
     return build_column(data=data, dtype=dtype, mask=mask)
Beispiel #2
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    def deserialize(cls, header: dict, frames: list) -> CategoricalColumn:
        n_dtype_frames = header["dtype_frames_count"]
        dtype = CategoricalDtype.deserialize(header["dtype"],
                                             frames[:n_dtype_frames])
        n_data_frames = header["data_frames_count"]

        column_type = pickle.loads(header["data"]["type-serialized"])
        data = column_type.deserialize(
            header["data"],
            frames[n_dtype_frames:n_dtype_frames + n_data_frames],
        )
        mask = None
        if "mask" in header:
            mask = Buffer.deserialize(header["mask"],
                                      [frames[n_dtype_frames + n_data_frames]])
        return cast(
            CategoricalColumn,
            column.build_column(
                data=None,
                dtype=dtype,
                mask=mask,
                children=(column.as_column(data.base_data,
                                           dtype=data.dtype), ),
            ),
        )
Beispiel #3
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    def deserialize(cls, header, frames):
        n_dtype_frames = header["dtype_frames_count"]
        dtype = CategoricalDtype.deserialize(header["dtype"],
                                             frames[:n_dtype_frames])
        n_data_frames = header["data_frames_count"]

        column_type = pickle.loads(header["data"]["type"])
        data = column_type.deserialize(
            header["data"],
            frames[n_dtype_frames:n_dtype_frames + n_data_frames],
        )
        mask = None
        if "mask" in header:
            mask = Buffer.deserialize(header["mask"],
                                      [frames[n_dtype_frames + n_data_frames]])
        return column.build_column(data=None,
                                   dtype=dtype,
                                   mask=mask,
                                   children=(data, ))