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# Source code for fabio.converters

    """
    Converter module.
    This is for the moment empty (populated only with almost pass through anonymous functions)
    but aims to be populated with more sofisticated translators ...

    """
    __author__ = "Jérôme Kieffer"
    __contact__ = "jerome.kieffer@esrf.eu"
    __license__ = "GPLv3+"
    __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"

    import types, logging
    logger = logging.getLogger("converter")

    def convert_data_integer(data):
        """
        convert data to integer
        """
        if data is not None:
            return data.astype(int)
        else:
            return data

    CONVERSION_HEADER = {
                         ("edfimage", "edfimage"): lambda header:header,
                         }
    CONVERSION_DATA = {
                       ("edfimage", "edfimage"): lambda data:data,
                       ("edfimage", "cbfimage"): convert_data_integer,
                       ("edfimage", "mar345image"): convert_data_integer,
                       ("edfimage", "fit2dmaskimage"): convert_data_integer,
                       ("edfimage", "kcdimage"): convert_data_integer,
                       ("edfimage", "OXDimage"): convert_data_integer,
                       ("edfimage", "pnmimage"): convert_data_integer,
                       }

    def convert_data(inp, outp, data):
        """
        Return data converted to the output format ... over-simplistic implementation for the moment ...
        @param inp,outp: input/output format like "cbfimage"
        @param data(ndarray): the actual dataset to be transformed
        """
        return CONVERSION_DATA.get((inp, outp), lambda data:data)(data)

    def convert_header(inp, outp, header):
        """
        return header converted to the output format
        @param inp,outp: input/output format like "cbfimage"
        @param header(dict):the actual set of headers to be transformed
        """
        return CONVERSION_HEADER.get((inp, outp), lambda header:header)(header)

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