California Code, Penal Code - PEN § 1237

(a) Except as provided in Sections 1237.1, 1237.2, and 1237.5, from a final judgment of conviction. A sentence, an order granting probation, or the commitment of a defendant for insanity, the indeterminate commitment of a defendant as a mentally disordered sex offender, or the commitment of a defendant for controlled substance addiction shall be deemed to be a final judgment within the meaning of this section. Upon appeal from a final judgment the court may review any order denying a motion for a new trial.

(b) From any order made after judgment, affecting the substantial rights of the party.