migrate to Flask 1.1 and Python 3.8

Dockerfile

@@ -1,5 +1,5 @@
 # Dockerfile for development on a pc/mac
-FROM python:3.5
+FROM python:3.8
 
 EXPOSE 5000
 

modules/base_plugins/gpio_actor/__init__.py

@@ -116,12 +116,12 @@ class DummyPWM(ActorBase):
         :return:
         '''
         self.power = int(power) if power is not None else 100
-        print "DummyPWM ON %s" % self.power
+        print("DummyPWM ON %s" % self.power)
 
     def off(self):
         self.power = 100
-        print "OFF"
+        print("OFF")
 
     def set_power(self, power):
         self.power = int(power)
-        print "DummyPWM POWER %s" % self.power
+        print("DummyPWM POWER %s" % self.power)

modules/core/core.py

@@ -378,12 +378,12 @@ class CraftBeerPi(ActorAPI, SensorAPI):
 
 
     # Event Bus
-    def event(self, name, async=False):
+    def event(self, name, use_async=False):
 
         def real_decorator(function):
             if self.eventbus.get(name) is None:
                 self.eventbus[name] = []
-            self.eventbus[name].append({"function": function, "async": async})
+            self.eventbus[name].append({"function": function, "async": use_async})
             def wrapper(*args, **kwargs):
                 return function(*args, **kwargs)
             return wrapper

modules/notification/__init__.py

@@ -24,7 +24,7 @@ class NotificationView(FlaskView):
                 cbpi.cache["messages"].pop(idx)
         return ('', 204)
 
-@cbpi.event("MESSAGE", async=True)
+@cbpi.event("MESSAGE", use_async=True)
 def messageEvent(message, **kwargs):
     """
     React on message event. add the message to the cache and push the message to the clients

requirements.txt

@@ -1,14 +1,23 @@
-Flask==1.0
-Flask-SocketIO==2.6.2
-eventlet==0.19.0
-greenlet==0.4.10
-python-dateutil==2.5.3
-python-engineio==3.8.2.post1
-python-mimeparse==1.5.2
-python-socketio==1.4.4
-PyYAML==4.2b1
-requests==2.20.0
-Werkzeug==0.15.3
-httplib2==0.18.0
-flask-classy==0.6.10
-GitPython
+attrs==19.3.0
+certifi==2020.6.20
+chardet==3.0.4
+click==7.1.2
+coverage==5.2.1
+Flask==1.1.2
+Flask-Classy==0.6.10
+Flask-SocketIO==2.6.2
+gitdb==4.0.5
+GitPython==3.1.7
+greenlet==0.4.16
+idna==2.10
+itsdangerous==1.1.0
+Jinja2==2.11.2
+MarkupSafe==1.1.1
+python-engineio==3.8.2.post1
+python-socketio==1.4.4
+PyYAML==5.3.1
+requests==2.24.0
+six==1.15.0
+smmap==3.0.4
+urllib3==1.25.10
+Werkzeug==1.0.1