old_contents: import logging
  
  from swiftclient.service import SwiftService, SwiftCopyObject, SwiftError
  
  logging.basicConfig(level=logging.ERROR)
  logging.getLogger("requests").setLevel(logging.CRITICAL)
  logging.getLogger("swiftclient").setLevel(logging.CRITICAL)
  logger = logging.getLogger(__name__)
  
  with SwiftService() as swift:
      try:
          obj = SwiftCopyObject("c", {"Destination": "/cont/d"})
          for i in swift.copy(
                  "cont", ["a", "b", obj],
                  {"meta": ["foo:bar"], "Destination": "/cc"}):
              if i["success"]:
                  if i["action"] == "copy_object":
                      print(
                          "object %s copied from /%s/%s" %
                          (i["destination"], i["container"], i["object"])
                      )
                  if i["action"] == "create_container":
                      print(
                          "container %s created" % i["container"]
                      )
              else:
                  if "error" in i and isinstance(i["error"], Exception):
                      raise i["error"]
      except SwiftError as e:
          logger.error(e.value)
  
new_contents: import logging
  
  from swiftclient.service import SwiftService, SwiftCopyObject, SwiftError
  
  logging.basicConfig(level=logging.ERROR)
  logging.getLogger("requests").setLevel(logging.CRITICAL)
  logging.getLogger("swiftclient").setLevel(logging.CRITICAL)
  logger = logging.getLogger(__name__)
  
  with SwiftService() as swift:
      try:
          obj = SwiftCopyObject("c", {"destination": "/cont/d"})
          for i in swift.copy(
                  "cont", ["a", "b", obj],
                  {"meta": ["foo:bar"], "destination": "/cc"}):
              if i["success"]:
                  if i["action"] == "copy_object":
                      print(
                          "object %s copied from /%s/%s" %
                          (i["destination"], i["container"], i["object"])
                      )
                  elif i["action"] == "create_container":
                      print(
                          "container %s created" % i["container"]
                      )
              else:
                  if "error" in i and isinstance(i["error"], Exception):
                      raise i["error"]
      except SwiftError as e:
          logger.error(e.value)
  
subject: Fix copy.py example.