__init__.py 文件源码

def setup(self, f, tb):
    if tb is not None:
      return pdb.Pdb.setup(self, f, tb)
    else:
      # Imitate what the parent function is doing as much as possible,
      # but without a traceback
      self.forget()
      self.stack, self.curindex = self.get_stack(f, tb)
      # XXX We may still need to reproduce the following lines:
      """
      while tb:
        # when setting up post-mortem debugging with a traceback, save all
        # the original line numbers to be displayed along the current line
        # numbers (which can be different, e.g. due to finally clauses)
        lineno = lasti2lineno(tb.tb_frame.f_code, tb.tb_lasti)
        self.tb_lineno[tb.tb_frame] = lineno
        tb = tb.tb_next
      """
      self.curframe = self.stack[self.curindex][0]
      # The f_locals dictionary is updated from the actual frame
      # locals whenever the .f_locals accessor is called, so we
      # cache it here to ensure that modifications are not overwritten.
      self.curframe_locals = self.curframe.f_locals
      return self.execRcLines()