def render(self, session, vendor, comments, **arguments):
valid = re.compile('^[a-zA-Z0-9_.-]+$')
if (not valid.match(vendor)):
raise ArgumentError("Vendor name '%s' is not valid." % vendor)
Vendor.get_unique(session, vendor, preclude=True)
dbv = Vendor(name=vendor, comments=comments)
session.add(dbv)
return
