code: def parse_email(self, email):
          
          splitted = safe_unicode(email).rsplit(",", 1)
          if len(splitted) == 1:
              return (False, splitted[0])
          elif len(splitted) == 2:
              return (splitted[0], splitted[1])
          else:
              raise ValueError("Could not parse email '{}'".format(email))
docs: parse an email to an unicode name, email tuple