def __init__(self, **attr):
Canvas.__init__(self, **attr)
self.xmlns = 'http://www.w3.org/2000/svg'
self.xlink = 'http://www.w3.org/1999/xlink'
self.ev = 'http://www.w3.org/2001/xml-events'
self.defs = Defs()
self.scripts = []
def createDef(self, element):
if not hasattr(self, 'defs'):
self.defs = Defs()
node = self.defs.getElementById(element.id)
if node is None:
self.defs.draw(element)
return True
else:
return False
