code: def __init__(
      self,
      job_name,
      scheduler_config,
      worker_config,
      web_config,
      web_host=None,
  ):
      self._job_name = job_name
      self._scheduler_config = scheduler_config
      self._worker_config = worker_config
      self._web_config = web_config
      self._web_host = web_host
  
imports: from urllib.parse import urlparse
  from ...utils import parse_readable_size, calc_size_by_str
  from ..kubernetes.config import ContainerEnvConfig
label_desc: Use image node_id 1 to create a new MarsJobConfig object  with example: obj = MarsJobConfig(job_name, scheduler_config, worker_config, web_config, web_host)