def __init__(self, source=None):
"""creates a new URL instance, copying from the source if present"""
SecondaryObject.__init__(self)
PrivacyBase.__init__(self, source)
if source:
self.path = source.path
self.desc = source.desc
self.type = source.type
else:
self.path = ""
self.desc = ""
self.type = UrlType()
