code: def run(
      self,
      service_name,
      command=None,
      *,
      env=None,
      volumes=None,
      user=None,
      using_docker=False,
      resource_limit=None,
  ):
      service = self.config.get(service_name)
  
      args = []
      if user is not None:
          args.extend(["-u", user])
  
      if env is not None:
          for k, v in env.items():
              args.extend(["-e", "{}={}".format(k, v)])
  
      if volumes is not None:
          for volume in volumes:
              args.extend(["--volume", volume])
  
      if using_docker or service["need_gpu"] or resource_limit:
          # use gpus, requires docker>=19.03
          if service["need_gpu"]:
              args.extend(["--gpus", "all"])
  
          if service.get("shm_size"):
              args.extend(["--shm-size", service["shm_size"]])
  
          # append env variables from the compose conf
          for k, v in service.get("environment", {}).items():
              if v is not None:
                  args.extend(["-e", "{}={}".format(k, v)])
  
          # append volumes from the compose conf
          for v in service.get("volumes", []):
              if not isinstance(v, str):
                  # if not the compact string volume definition
                  v = "{}:{}".format(v["source"], v["target"])
              args.extend(["-v", v])
  
          # infer whether an interactive shell is desired or not
          if command in ["cmd.exe", "bash", "sh", "powershell"]:
              args.append("-it")
  
          if resource_limit:
              limits = self.config.limit_presets.get(resource_limit)
              if not limits:
                  raise ValueError(
                      f"Unknown resource limit preset '{resource_limit}'"
                  )
              cpuset = limits.get("cpuset_cpus", [])
              if cpuset:
                  args.append(
                      f'--cpuset-cpus={",".join(map(str, cpuset))}'
                  )
              memory = limits.get("memory")
              if memory:
                  args.append(f"--memory={memory}")
                  args.append(f"--memory-swap={memory}")
  
          # get the actual docker image name instead of the compose service
          # name which we refer as image in general
          args.append(service["image"])
  
          # add command from compose if it wasn't overridden
          if command is not None:
              args.append(command)
          else:
              cmd = service.get("command", "")
              if cmd:
                  # service command might be already defined as a list
                  # on the docker-compose yaml file.
                  if isinstance(cmd, list):
                      cmd = shlex.join(cmd)
                  args.extend(shlex.split(cmd))
  
          # execute as a plain docker cli command
          self._execute_docker("run", "--rm", *args)
      else:
          # execute as a docker-compose command
          args.append(service_name)
          if command is not None:
              args.append(command)
          self._execute_compose("run", "--rm", *args)
  
imports: import os
  import shlex
  import subprocess
  from io import StringIO
  from dotenv import dotenv_values
  from ruamel.yaml import YAML
  from ..utils.command import Command, default_bin
  from ..utils.source import arrow_path
  from ..compat import _ensure_path
label_desc: Use image node_id 7 for calling the DockerCompose obj's underlying member method code with example usage: obj.run(service_name, command) without return types