code: def create_client_for_file(self, filename, is_cython=False):
          
          # Create client
          self.create_new_client(filename=filename, is_cython=is_cython)
  
          # Don't increase the count of master clients
          self.master_clients -= 1
  
          # Rename client tab with filename
          client = self.get_current_client()
          client.allow_rename = False
          tab_text = self.disambiguate_fname(filename)
          self.rename_client_tab(client, tab_text)
docs: Create a client to execute code related to a file.