code: def get_dasharray(obj):
      
      if obj.__dict__.get('_dashSeq', None) is not None:
          return ','.join(map(str, obj._dashSeq))
      else:
          ls = obj.get_linestyle()
          dasharray = LINESTYLES.get(ls, 'not found')
          if dasharray == 'not found':
              warnings.warn("line style '{0}' not understood: "
                            "defaulting to solid line.".format(ls))
              dasharray = LINESTYLES['solid']
          return dasharray
docs: Get an SVG dash array for the given matplotlib linestyle
  
      Parameters
      ----------
      obj : matplotlib object
          The matplotlib line or path object, which must have a get_linestyle()
          method which returns a valid matplotlib line code
  
      Returns
      -------
      dasharray : string
          The HTML/SVG dasharray code associated with the object.