update examples

examples/dsl/__main__.py

@@ -131,7 +131,8 @@ class Parser:
                 case [
                     [kls, index],
                     [secondary, param],
-                    [val] | val,
+                    [val]
+                    | val,
                 ]:
                     primary = getattr(self.vm, kls)[int(index)]
                     target = getattr(primary, secondary)

examples/events/__main__.py

@@ -41,7 +41,7 @@ def main():
     KIND_ID = "banana"
 
     with voicemeeterlib.api(KIND_ID) as vm:
-        with App(vm) as app:
+        with App(vm):
             for i in range(5, 0, -1):
                 print(f"events start in {i} seconds")
                 time.sleep(1)

examples/gui/__main__.py

@@ -1,10 +1,10 @@
 import logging
+import tkinter as tk
+from tkinter import ttk
 
 import voicemeeterlib
 
 logging.basicConfig(level=logging.DEBUG)
-import tkinter as tk
-from tkinter import ttk
 
 
 class App(tk.Tk):

examples/midi/__main__.py

@@ -43,7 +43,7 @@ def main():
     with voicemeeterlib.api(KIND_ID, midi=True) as vm:
         App(vm)
 
-        while cmd := input("Press <Enter> to exit\n"):
+        while _ := input("Press <Enter> to exit\n"):
             pass
 
 

examples/obs/__main__.py

@@ -1,4 +1,4 @@
-import time
+import threading
 from logging import config
 
 import obsws_python as obsws
@@ -7,37 +7,43 @@ import voicemeeterlib
 
 config.dictConfig(
     {
-        "version": 1,
-        "formatters": {
-            "standard": {
-                "format": "%(asctime)s,%(msecs)d %(name)s %(levelname)s %(message)s"
+        'version': 1,
+        'formatters': {
+            'standard': {
+                'format': '%(asctime)s,%(msecs)d %(name)s %(levelname)s %(message)s'
             }
         },
-        "handlers": {
-            "stream": {
-                "level": "DEBUG",
-                "class": "logging.StreamHandler",
-                "formatter": "standard",
+        'handlers': {
+            'stream': {
+                'level': 'DEBUG',
+                'class': 'logging.StreamHandler',
+                'formatter': 'standard',
             }
         },
-        "loggers": {
-            "voicemeeterlib.iremote": {"handlers": ["stream"], "level": "DEBUG"}
+        'loggers': {
+            'voicemeeterlib.iremote': {'handlers': ['stream'], 'level': 'DEBUG'}
         },
     }
 )
 
 
 class MyClient:
-    def __init__(self, vm):
+    def __init__(self, vm, stop_event):
         self.vm = vm
-        self.client = obsws.EventClient()
-        self.client.callback.register(
+        self._stop_event = stop_event
+        self._client = obsws.EventClient()
+        self._client.callback.register(
             (
                 self.on_current_program_scene_changed,
                 self.on_exit_started,
             )
         )
-        self.is_running = True
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_value, exc_traceback):
+        self._client.disconnect()
 
     def on_start(self):
         self.vm.strip[0].mute = True
@@ -51,10 +57,10 @@ class MyClient:
     def on_end(self):
         self.vm.apply(
             {
-                "strip-0": {"mute": True, "comp": {"ratio": 4.3}},
-                "strip-1": {"mute": True, "B1": False, "gate": {"attack": 2.3}},
-                "strip-2": {"mute": True, "B1": False},
-                "vban-in-0": {"on": False},
+                'strip-0': {'mute': True, 'comp': {'ratio': 4.3}},
+                'strip-1': {'mute': True, 'B1': False, 'gate': {'attack': 2.3}},
+                'strip-2': {'mute': True, 'B1': False},
+                'vban-in-0': {'on': False},
             }
         )
 
@@ -65,33 +71,31 @@ class MyClient:
         self.vm.vban.instream[0].on = True
 
     def on_current_program_scene_changed(self, data):
-        def fget(scene):
-            run = {
-                "START": self.on_start,
-                "BRB": self.on_brb,
-                "END": self.on_end,
-                "LIVE": self.on_live,
-            }
-            return run.get(scene)
-
         scene = data.scene_name
-        print(f"Switched to scene {scene}")
-        if fn := fget(scene):
-            fn()
+        print(f'Switched to scene {scene}')
+        match scene:
+            case 'START':
+                self.on_start()
+            case 'BRB':
+                self.on_brb()
+            case 'END':
+                self.on_end()
+            case 'LIVE':
+                self.on_live()
 
     def on_exit_started(self, _):
-        self.client.unsubscribe()
-        self.is_running = False
+        self._stop_event.set()
 
 
 def main():
-    KIND_ID = "potato"
+    KIND_ID = 'potato'
 
     with voicemeeterlib.api(KIND_ID) as vm:
-        client = MyClient(vm)
-        while client.is_running:
-            time.sleep(0.1)
+        stop_event = threading.Event()
+
+        with MyClient(vm, stop_event):
+            stop_event.wait()
 
 
-if __name__ == "__main__":
+if __name__ == '__main__':
     main()

examples/observer/__main__.py

@@ -37,7 +37,7 @@ def main():
     ) as vm:
         App(vm)
 
-        while cmd := input("Press <Enter> to exit\n"):
+        while _ := input("Press <Enter> to exit\n"):
             pass
 
 

scripts.py

@@ -5,8 +5,7 @@ from pathlib import Path
 
 
 def ex_dsl():
-    scriptpath = Path.cwd() / "examples" / "dsl" / "."
-    subprocess.run([sys.executable, str(scriptpath)])
+    subprocess.run(["tox", "r", "-e", "dsl"])
 
 
 def ex_events():
@@ -30,8 +29,7 @@ def ex_midi():
 
 
 def ex_obs():
-    scriptpath = Path.cwd() / "examples" / "obs" / "."
-    subprocess.run([sys.executable, str(scriptpath)])
+    subprocess.run(["tox", "r", "-e", "obs"])
 
 
 def ex_observer():