def _build_parser(self, parser_state, stream_in, data_key):
"""
Build the requested parser based on the data key
@param parser_state starting parser state to pass to parser
@param stream_in Handle of open file to pass to parser
@param stream_in Filename string to pass to parser
@param data_key Key to determine which parser type is built
"""
#
# Build the telemetered parser if requested.
#
if data_key == DataTypeKey.CTDMO_GHQR_SIO_MULE:
config = self._parser_config[data_key]
config.update({
DataSetDriverConfigKeys.PARTICLE_MODULE:
'mi.dataset.parser.ctdmo',
DataSetDriverConfigKeys.PARTICLE_CLASS: [
'CtdmoTelemeteredInstrumentDataParticle',
'CtdmoTelemeteredOffsetDataParticle'
]
})
log.debug("MYCONFIG Telemetered: CONFIG %s, STATE %s", config,
parser_state)
parser = CtdmoTelemeteredParser(
config, stream_in, parser_state,
lambda state: self._save_parser_state(state, data_key),
self._data_callback, self._sample_exception_callback)
if parser is None:
raise ConfigurationException(
'Unable to build CTDMO Telemetered Parser')
#
# Build the recovered parser for CO data if requested.
#
elif data_key == DataTypeKey.CTDMO_GHQR_CO:
config = self._parser_config[data_key]
config.update({
DataSetDriverConfigKeys.PARTICLE_MODULE:
'mi.dataset.parser.ctdmo',
DataSetDriverConfigKeys.PARTICLE_CLASS:
'CtdmoRecoveredOffsetDataParticle'
})
log.debug("MYCONFIG CO Recovered:CONFIG %s, STATE %s", config,
parser_state)
parser = CtdmoRecoveredCoParser(
config, stream_in, parser_state,
lambda state, ingested: self._save_parser_state(
state, data_key, ingested), self._data_callback,
self._sample_exception_callback)
if parser is None:
raise ConfigurationException(
'Unable to build CTDMO Recovered CO Parser')
#
# Build the recovered parser for CT data if requested.
#
elif data_key == DataTypeKey.CTDMO_GHQR_CT:
config = self._parser_config[data_key]
config.update({
DataSetDriverConfigKeys.PARTICLE_MODULE:
'mi.dataset.parser.ctdmo',
DataSetDriverConfigKeys.PARTICLE_CLASS:
'CtdmoRecoveredInstrumentDataParticle'
})
log.debug("MYCONFIG CT Recovered: CONFIG %s, STATE %s", config,
parser_state)
parser = CtdmoRecoveredCtParser(
config, stream_in, parser_state,
lambda state, ingested: self._save_parser_state(
state, data_key, ingested), self._data_callback,
self._sample_exception_callback)
if parser is None:
raise ConfigurationException(
'Unable to build CTDMO Recovered CT Parser')
#
# Not one of the keys we recognize?
# No parser for you!
#
else:
raise ConfigurationException(
'CTDMO Parser configuration incorrect %s', data_key)
return parser
