code: def convert_svg_transform(self, transform):
          
  
          tr, args = transform[:-1].split('(')
          a = map(float, args.split(' '))
  
          # Handle various string tranformations
          if tr == 'matrix':
              pass
          elif tr == 'translate':
              a = [1.0, 0.0, 0.0, 1.0, a[0], a[1] if len(a) > 1 else 0.0]
          elif tr == 'scale':
              a = [a[0], 0.0, 0.0, a[-1], 0.0, 0.0]
          elif tr == 'rotate':
              x = a[1] if len(a) > 1 else 0.0
              y = a[2] if len(a) > 1 else 0.0
              rad = radians(a[0])
              s = sin(rad)
              c = cos(rad)
              a = [
                  c,
                  s,
                  -s,
                  c,
                  x * (1 - c) + y * s,
                  -x * s + y * (1 - c),
              ]
          else:
              raise ValueError('Unknown transformation "%s"' % transform)
  
          self._svg_transform = transform
          self._a00 = a[0]
          self._a10 = a[1]
          self._a01 = a[2]
          self._a11 = a[3]
          self._a02 = a[4]
          self._a12 = a[5]
docs: Converts a string representing a SVG transform into
          AffineTransform fields.
          See https://www.w3.org/TR/SVG/coords.html#TransformAttribute for the
          specification of the transform strings. skewX and skewY are not
          supported.
          Raises:
              ValueError: If transform is not a valid and supported SVG
              transform.