startDaqCli.py

#!/usr/bin/env python

from dm.daq_web_service.api.experimentRestApi import ExperimentRestApi
from dm.common.exceptions.invalidRequest import InvalidRequest
from daqWebServiceSessionCli import DaqWebServiceSessionCli

class StartDaqCli(DaqWebServiceSessionCli):
    def __init__(self):
        DaqWebServiceSessionCli.__init__(self, validArgCount=self.ANY_NUMBER_OF_POSITIONAL_ARGS)
        self.addOption('', '--experiment', dest='experimentName', help='Experiment name.')
        self.addOption('', '--data-directory', dest='dataDirectory', help='Experiment data directory. If specified string does not already contain file server URL, value of the %s environment variable will be prepended to it.' % self.DM_FILE_SERVER_URL_ENV_VAR)
        self.addOption('', '--process-hidden', dest='processHidden', action='store_true', default=False, help='Process hidden source files.')

    def checkArgs(self):
        if self.options.experimentName is None:
            raise InvalidRequest('Experiment name must be provided.')
        if self.options.dataDirectory is None:
            raise InvalidRequest('Experiment data directory must be provided.')

    def updateDaqInfoFromOptions(self, daqInfo):
        if self.options.processHidden:
            daqInfo['processHiddenFiles'] = True

    def runCommand(self):
        self.parseArgs(usage="""
    dm-start-daq --experiment=EXPERIMENTNAME --data-directory=DATADIRECTORY
        [--process-hidden]
        [key1:value1, key2:value2, ...]

Description:
    Starts DAQ for a given experiment. Specified data directory will be 
    monitored for data files. All provided key/value pairs will be passed to 
    file processing plugins.
        """)
        self.checkArgs()
        api = ExperimentRestApi(self.getLoginUsername(), self.getLoginPassword(), self.getServiceHost(), self.getServicePort(), self.getServiceProtocol())
        daqInfo = self.splitArgsIntoDict()
        self.updateDaqInfoFromOptions(daqInfo)
        daqInfo = api.startDaq(self.getExperimentName(), self.getDataDirectory(), daqInfo=daqInfo)
        print daqInfo.getDisplayString(self.getDisplayKeys(), self.getDisplayFormat())

#######################################################################
# Run command.
if __name__ == '__main__':
    cli = StartDaqCli()
    cli.run()