class_docstr: Intended parent class for plotting
  modes. Provides base functionality
  in conjunction with its parent,
  PlotMode.
class_docstr_tok: ["Intended","parent","class","for","plotting","modes",".","Provides","base","functionality","in","conjunction","with","its","parent",",","PlotMode","."]
code: def __str__(self):
      f = ", ".join(str(d) for d in self.d_vars)
      o = "'mode=%s'" % (self.primary_alias)
      return ", ".join([f, o])
  
imports: import pyglet.gl
  from sympy.core import S
  from sympy.plotting.pygletplot.color_scheme import ColorScheme
  from sympy.plotting.pygletplot.plot_mode import PlotMode
  from sympy.utilities.iterables import is_sequence
  from time import sleep
  from threading import Thread, Event, RLock
  import warnings
label_desc: Use image node_id 30 for calling the PlotModeBase obj's underlying member method code with example usage: obj.__str__() and returns: str