old_contents: import subprocess
  import json
  from profile import Profile
  
  
  class DataProvider:
  
      def get_profiles_json(self):
          profiles = self.__get_profiles()
          if profiles is None:
              return None
          return json.dumps(profiles)
  
      def __get_profiles(self):
          profiles = []
          profiles_names = self.get_profiles_names()
          for p in profiles_names:
              single_profile = Profile(p, self.__config[p])
              profiles.append(single_profile.__dict__)
          if len(profiles) == 0:
              return None
          return profiles
  
      def get_profile_json(self, bucket_name):
          profiles = self.__get_profiles()
          profile = None
          command = "radosgw-admin bucket stats --bucket=\""+str(bucket_name)+"\""
          output = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate()[0]
          json_output = json.loads(output.decode("utf-8"))
          pool_name = json_output["pool"]
          if pool_name is None:
              return json.dumps("")
          for p in profiles:
              if pool_name in p["pools"]:
                  profile = p
          if profile is None:
              None
          return json.dumps(profile)
  
      def get_profiles_names(self):
          return self.__config.sections()
  
      def __init__(self, config):
          self.__config = config
  
  
new_contents: import subprocess
  import json
  from profile import Profile
  
  
  class DataProvider:
  
      def get_profiles_json(self):
          profiles = self.__get_profiles()
          if profiles is None:
              return None
          return json.dumps(profiles)
  
      def __get_profiles(self):
          profiles = []
          profiles_names = self.get_profiles_names()
          for p in profiles_names:
              single_profile = Profile(p, self.__config[p])
              profiles.append(single_profile.__dict__)
          if len(profiles) == 0:
              return None
          return profiles
  
      def get_profile_json(self, bucket_name):
          profiles = self.__get_profiles()
          profile = None
          command = "radosgw-admin bucket stats --bucket=\""+str(bucket_name)+"\""
          output = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate()[0]
          try:
              json_output = json.loads(output.decode("utf-8"))
          except ValueError:
              return json.dumps("")
          pool_name = json_output["pool"]
          for p in profiles:
              if pool_name in p["pools"]:
                  profile = p
          if profile is None:
              None
          return json.dumps(profile)
  
      def get_profiles_names(self):
          return self.__config.sections()
  
      def __init__(self, config):
          self.__config = config
  
  
subject: return empty json when bucket not found