How to use the ipython.logger function in ipython

def pbspaths(directory, jobname, suffix):
        """ creates filename paths. """
        suffix = '{0}-pbs{1}'.format(event.prefix, suffix) if hasprefix \
            else 'pbs{0}'.format(suffix)
        return str(directory.join(jobname, suffix))
    # now  loop over jobfolders
    pbsscripts = []
    for current, path in jobfolders:
        logger.info("launch/scattered: current: %s  path: %s" % (current, path))
        # creates directory.
        directory = local_path(path).dirpath()
        directory.ensure(dir=True)
        # loop over executable folders in current jobfolder
        for name, job in current.root.items():
            logger.info('launch/scattered: current: %s' % current)
            logger.info('launch/scattered: current.root: %s' % current.root)
            logger.info('launch/scattered: name: %s' % name)
            logger.info('launch/scattered: job: %s' % job)
            logger.info('launch/scattered: job.is_tagged: %s' % job.is_tagged)

            # avoid jobfolder which are off
            if job.is_tagged:
                continue

            # added by Peter Graf
            # avoid jobfolder which is already in the queue:
            qstuff = qstat(name)
            if (len(qstuff) > 0 and not event.force):
                status = [x.split()[2] for x in qstuff]
                # status is a list like ['Q'], ['R'], ['H'], ['C'], ['R', 'C'], etc
                # 'RHQ' is the status that the job is indeed in the queue, 'C' job completed and
                # being removed from the queue if needed, a prefix can be used to distinguish two