1903         try:

  1903         try:

  1904             tr = self.currenttransaction()

  1904             tr = self.currenttransaction()

  1905             hookargs = {}

  1905             hookargs = {}

  1906             if tr is not None:

  1906             if tr is not None:

  1907                 hookargs.update(tr.hookargs)

  1907                 hookargs.update(tr.hookargs)

  1908             hookargs['namespace'] = namespace

  1910             hookargs['namespace'] = namespace

  1909             hookargs['key'] = key

  1911             hookargs['key'] = key

  1910             hookargs['old'] = old

  1912             hookargs['old'] = old

  1911             hookargs['new'] = new

  1913             hookargs['new'] = new

  1912             self.hook('prepushkey', throw=True, **hookargs)

  1914             self.hook('prepushkey', throw=True, **hookargs)