Copy a local file to HDFS directory

def copyFileToHdfs(localFilePath, hdfsFilePath, hdfsClient, override=True):
    '''Copy a local file to HDFS directory'''
    if not os.path.exists(localFilePath):
        raise Exception('Local file Path does not exist!')
    if os.path.isdir(localFilePath):
        raise Exception('localFile should not a directory!')
    if hdfsClient.exists(hdfsFilePath):
        if override:
            hdfsClient.delete(hdfsFilePath)
        else:
            return False
    try:
        hdfsClient.copy_from_local(localFilePath, hdfsFilePath)
        return True
    except Exception as exception:
        nni_log(LogType.Error, 'Copy local file {0} to hdfs file {1} error: {2}'.format(localFilePath, hdfsFilePath, str(exception)))
        return False