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Information about filter


filter_config_flags = H5Z.get_filter_info(filter)


filter_config_flags = H5Z.get_filter_info(filter) retrieves information about the filter specified by its identifier. At present, the information returned is the filter's configuration flags, indicating whether the filter is configured to decode data, to encode data, neither, or both. filter_config_flags should be used with the HDF5 constant values 'H5Z_FILTER_CONFIG_ENCODE_ENABLED' and 'H5Z_FILTER_CONFIG_DECODE_ENABLED' in a bitwise AND operation. If the resulting value is 0, then the encode or decode functionality is not available.


Determine if encoding is enabled for the deflate filter.

flags = H5Z.get_filter_info('H5Z_FILTER_DEFLATE');
functionality = H5ML.get_constant_value('H5Z_FILTER_CONFIG_ENCODE_ENABLED');
enabled = bitand(flags,functionality) > 0;