Remove group management

demo.py

@@ -19,17 +19,12 @@ class _FakeAvr:
         {"code": "PHONO", "name": "Turntable"},
     ]
 
-    def __init__(self, allowed_codes=()):
-        self.allowed_codes = list(allowed_codes or [])
+    def __init__(self):
         self.connected = True
         self._code = "MPLAY"
 
     def inputs(self, refresh=False):
-        sources = list(self.INPUTS)
-        if self.allowed_codes:
-            order = {code: i for i, code in enumerate(self.allowed_codes)}
-            sources = sorted((s for s in sources if s["code"] in order), key=lambda s: order[s["code"]])
-        return sources
+        return list(self.INPUTS)
 
     def name_for(self, code):
         return next((s["name"] for s in self.INPUTS if s["code"] == code), code)
@@ -46,7 +41,7 @@ class _FakeAvr:
 class DemoController:
     def __init__(self, cfg):
         self.cfg = cfg
-        self.avr = _FakeAvr(cfg.AVR_INPUT_CODES)
+        self.avr = _FakeAvr()
         self.heos = None
         self._volume = {key: 22 + 7 * i for i, key in enumerate(cfg.TARGETS)}
         self._play = {key: "play" for key in cfg.TARGETS}
@@ -71,7 +66,13 @@ class DemoController:
                  "error": None}
                 for key in self.cfg.ROOM_KEYS
             ],
-            "avr": {"connected": True, "inputs": self.avr.inputs(), "input": self.avr.current_input()},
+            "avr": {
+                "connected": True, "inputs": self.avr.inputs(), "input": self.avr.current_input(),
+                # Standing in for a Zidoo plugged into this input, so the
+                # AVR card's now-playing block has something to show here too.
+                "now_playing": {"song": "Big Buck Bunny", "artist": None, "image": None}
+                if self.avr.current_input()["code"] == "MPLAY" else None,
+            },
             "heos_ok": True,
             "errors": [],
             "demo": True,