parameters: (self, error, filename, linenum)
docstring: Report if too many lines in function body.
  
      Args:
        error: The function to call with any errors found.
        filename: The name of the current file.
        linenum: The number of the line to check.
docstring_summary: Report if too many lines in function body.
docstring_tokens: Report if too many lines in function body .
function: def Check(self, error, filename, linenum):
      """Report if too many lines in function body.
  
      Args:
        error: The function to call with any errors found.
        filename: The name of the current file.
        linenum: The number of the line to check.
      """
      if not self.in_a_function:
        return
  
      if Match(r'T(EST|est)', self.current_function):
        base_trigger = self._TEST_TRIGGER
      else:
        base_trigger = self._NORMAL_TRIGGER
      trigger = base_trigger * 2**_VerboseLevel()
  
      if self.lines_in_function > trigger:
        error_level = int(math.log(self.lines_in_function / base_trigger, 2))
        # 50 => 0, 100 => 1, 200 => 2, 400 => 3, 800 => 4, 1600 => 5, ...
        if error_level > 5:
          error_level = 5
        error(filename, linenum, 'readability/fn_size', error_level,
              'Small and focused functions are preferred:'
              ' %s has %d non-comment lines'
              ' (error triggered by exceeding %d lines).'  % (
                  self.current_function, self.lines_in_function, trigger))
function_tokens: def Check ( self , error , filename , linenum ) : if not self . in_a_function : return if Match ( r'T(EST|est)' , self . current_function ) : base_trigger = self . _TEST_TRIGGER else : base_trigger = self . _NORMAL_TRIGGER trigger = base_trigger * 2 ** _VerboseLevel ( ) if self . lines_in_function > trigger : error_level = int ( math . log ( self . lines_in_function / base_trigger , 2 ) ) # 50 => 0, 100 => 1, 200 => 2, 400 => 3, 800 => 4, 1600 => 5, ... if error_level > 5 : error_level = 5 error ( filename , linenum , 'readability/fn_size' , error_level , 'Small and focused functions are preferred:' ' %s has %d non-comment lines' ' (error triggered by exceeding %d lines).' % ( self . current_function , self . lines_in_function , trigger ) )