original_docstring: 
          Callback when strategy is inited.
          
docstring: Callback when strategy is inited.
docstring_tokens: Callback when strategy is inited .
code: def on_init(self):
          """
          Callback when strategy is inited.
          """
          self.write_log("策略初始化")
          self.load_bar(10)
code_tokens: def on_init ( self ) : self . write_log ( "策略初始化")  self . load_bar ( 10 )
short_docstring: Callback when strategy is inited.
short_docstring_tokens: Callback when strategy is inited .
comment: """
          Callback when strategy is inited.
          """