code: def handle(self, *args, **options):
      i = 0
      connected = False
      db_conn = connections[self.db_name]
      while not connected:
          try:
              c = db_conn.cursor()
              connected = True
          except:
              print("error connecting to DB...")
              if i > self.N:
                  print("...exiting")
                  raise
              print("...retrying")
              i += 1
              time.sleep(1)
  
imports: import os, time
  from optparse import make_option
  from django.conf import settings
  from django.core.management.base import BaseCommand, CommandError
  from django.db import connections
label_desc: Use image node_id 1 for calling the Command obj's underlying member method code with example usage: obj.handle() without return types