fabio.converters — FabIO 0.1.3 documentation

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# Source code for fabio.converters

    #!/usr/bin/env python
    #coding: utf8
    """
    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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