From b719a8283c61a7b9bec0ad6e5164d5fe27c8fbb5 Mon Sep 17 00:00:00 2001
From: nico <nico@beerfactory.org>
Date: Thu, 2 Jul 2015 14:02:10 +0200
Subject: [PATCH] HBMQTT-6 Add build() class method for packet PUBACK, PUBREC
 and PUBREL.

---
 hbmqtt/mqtt/puback.py  | 6 ++++++
 hbmqtt/mqtt/pubcomp.py | 6 ++++++
 hbmqtt/mqtt/pubrec.py  | 6 ++++++
 3 files changed, 18 insertions(+)

diff --git a/hbmqtt/mqtt/puback.py b/hbmqtt/mqtt/puback.py
index f9999d5..90effa0 100644
--- a/hbmqtt/mqtt/puback.py
+++ b/hbmqtt/mqtt/puback.py
@@ -19,3 +19,9 @@ class PubackPacket(MQTTPacket):
         super().__init__(header)
         self.variable_header = variable_header
         self.payload = None
+
+    @classmethod
+    def build(cls, packet_id: int):
+        v_header = PacketIdVariableHeader(packet_id)
+        packet = PubackPacket(variable_header=v_header, payload=None)
+        return packet
diff --git a/hbmqtt/mqtt/pubcomp.py b/hbmqtt/mqtt/pubcomp.py
index c133a40..fb79f2a 100644
--- a/hbmqtt/mqtt/pubcomp.py
+++ b/hbmqtt/mqtt/pubcomp.py
@@ -19,3 +19,9 @@ class PubcompPacket(MQTTPacket):
         super().__init__(header)
         self.variable_header = variable_header
         self.payload = None
+
+    @classmethod
+    def build(cls, packet_id: int):
+        v_header = PacketIdVariableHeader(packet_id)
+        packet = PubcompPacket(variable_header=v_header, payload=None)
+        return packet
diff --git a/hbmqtt/mqtt/pubrec.py b/hbmqtt/mqtt/pubrec.py
index 87e7e2d..9b46c61 100644
--- a/hbmqtt/mqtt/pubrec.py
+++ b/hbmqtt/mqtt/pubrec.py
@@ -19,3 +19,9 @@ class PubrecPacket(MQTTPacket):
         super().__init__(header)
         self.variable_header = variable_header
         self.payload = None
+
+    @classmethod
+    def build(cls, packet_id: int):
+        v_header = PacketIdVariableHeader(packet_id)
+        packet = PubrecPacket(variable_header=v_header, payload=None)
+        return packet