old_contents: #! -*- encoding: utf8 -*
  import os
  
  from s4 import utils
  from s4.commands import Command
  
  
  class AddCommand(Command):
      def run(self):
          target = self.args.copy_target_credentials
          all_targets = list(self.config["targets"].keys())
          if target is not None and target not in all_targets:
              self.logger.info('"%s" is an unknown target', target)
              self.logger.info("Choices are: %s", all_targets)
              return
  
          entry = {}
          entry["local_folder"] = os.path.expanduser(utils.get_input("local folder: "))
          entry["s3_uri"] = utils.get_input("s3 uri: ")
          entry["region_name"] = utils.get_input("region name: ")
  
          if target is not None:
              entry["aws_access_key_id"] = self.config["targets"][target][
                  "aws_access_key_id"
              ]
              entry["aws_secret_access_key"] = self.config["targets"][target][
                  "aws_secret_access_key"
              ]
          else:
              entry["aws_access_key_id"] = utils.get_input("AWS Access Key ID: ")
              entry["aws_secret_access_key"] = utils.get_input(
                  "AWS Secret Access Key: ", secret=True
              )
  
          default_name = os.path.basename(entry["s3_uri"])
          name = utils.get_input(
              "Provide a name for this entry [{}]: ".format(default_name)
          )
  
          if not name:
              name = default_name
  
          if "targets" not in self.config:
              self.config["targets"] = {}
  
          self.config["targets"][name] = entry
  
          utils.set_config(self.config)
  
new_contents: #! -*- encoding: utf8 -*
  import os
  
  from s4 import utils
  from s4.commands import Command
  
  
  class AddCommand(Command):
      def run(self):
          target = self.args.copy_target_credentials
          all_targets = list(self.config["targets"].keys())
          if target is not None and target not in all_targets:
              self.logger.info('"%s" is an unknown target', target)
              self.logger.info("Choices are: %s", all_targets)
              return
  
          entry = {}
          entry["local_folder"] = os.path.expanduser(utils.get_input("local folder: "))
          entry["s3_uri"] = utils.get_input("s3 uri: ")
          entry["region_name"] = utils.get_input("region name: ")
  
          if target is not None:
              entry["aws_access_key_id"] = self.config["targets"][target][
                  "aws_access_key_id"
              ]
              entry["aws_secret_access_key"] = self.config["targets"][target][
                  "aws_secret_access_key"
              ]
          else:
              entry["aws_access_key_id"] = utils.get_input("AWS Access Key ID: ")
              entry["aws_secret_access_key"] = utils.get_input(
                  "AWS Secret Access Key: ", secret=True
              )
  
          default_name = os.path.basename(entry["s3_uri"])
          name = utils.get_input(
              "Provide a name for this entry [{}]: ".format(default_name)
          )
  
          if not name:
              name = default_name
  
          self.config["targets"][name] = entry
  
          utils.set_config(self.config)
  
subject: Remove impossible to reach code