"[She] has suffered a significant facial disfiguration as a result," Judge Adeane said, while the male victim also required surgery for his injuries.
The judge said Hannay had a moderate criminal history but disagreed with Hannay's argument of self-defence. He added Hannay had suffered heath consequences but his regret and remorse was largely situational.
Ms Pyke said she was "devastated". The councillor said they would be appealing the conviction and sentencing and making a complaint to the Police Complaints Authority. Ms Pyke said in her written submissions her son should be granted home detention "in the interests of maintaining my own safety" because of a separate impending legal case involving her.
"I wish his Honour to know that my son is not only not a fighter or a violent thug, but that it defies all reason to believe that he would go looking for or provoke any situation like that."
She said he had been making steps to address his issues "before his incarceration".