code: def create_connect_args(self, url):
      opts = url.translate_connect_args(
          username="user", database="dbname"
      )
  
      multihosts, multiports = self._split_multihost_from_url(url)
  
      if opts or url.query:
          if not opts:
              opts = {}
          if "port" in opts:
              opts["port"] = int(opts["port"])
          opts.update(url.query)
  
          if multihosts:
              opts["host"] = ",".join(multihosts)
              comma_ports = ",".join(
                  str(p) if p else "" for p in multiports
              )
              if comma_ports:
                  opts["port"] = comma_ports
          return ([], opts)
      else:
          # no connection arguments whatsoever; psycopg2.connect()
          # requires that "dsn" be present as a blank string.
          return ([""], opts)
  
imports: from __future__ import annotations
  import decimal
  from .array import ARRAY
  from .base import _DECIMAL_TYPES
  from .base import _FLOAT_TYPES
  from .base import _INT_TYPES
  from .base import PGDialect
  from .base import PGExecutionContext
  from .hstore import HSTORE
  from .pg_catalog import _SpaceVector
  from .pg_catalog import INT2VECTOR
  from .pg_catalog import OIDVECTOR
  from ...None import exc
  from ...None import types
  from ...None import util
  from ...engine import processors
label_desc: Use image node_id 2 for calling the _PGDialect_common_psycopg obj's underlying member method code with example usage: obj.create_connect_args(url) and returns: list,  opts, list,  opts