code: def get_collections(self, username="", calculate_size=False, ext_preload=False, offset=0, limit=10):
  
          
  
          if not username and self.standard_grant_type == "authorization_code":
              response = self._req('/collections/folders', {
                  "calculate_size":calculate_size,
                  "ext_preload":ext_preload,
                  "offset":offset,
                  "limit":limit
              })
          else:
              if not username:
                  raise DeviantartError("No username defined.")
              else:
                  response = self._req('/collections/folders', {
                      "username":username,
                      "calculate_size":calculate_size,
                      "ext_preload":ext_preload,
                      "offset":offset,
                      "limit":limit
                  })
  
          folders = []
  
          for item in response['results']:
              f = {}
              f['folderid'] = item['folderid']
              f['name'] = item['name']
  
              if "size" in item:
                  f['size'] = item['size']
  
              if "deviations" in item:
                  f['deviations'] = []
  
                  for deviation_item in item['deviations']:
                      d = Deviation()
                      d.from_dict(deviation_item)
                      f['deviations'].append(d)
  
              folders.append(f)
  
          return {
              "results" : folders,
              "has_more" : response['has_more'],
              "next_offset" : response['next_offset']
          }
docs: Fetch collection folders
  
          :param username: The user to list folders for, if omitted the authenticated user is used
          :param calculate_size: The option to include the content count per each collection folder
          :param ext_preload: Include first 5 deviations from the folder
          :param offset: the pagination offset
          :param limit: the pagination limit