examples refactored

poetry scripts added

examples/dsl/__main__.py

@@ -1,3 +1,4 @@
+import argparse
 import logging
 import time
 
@@ -14,6 +15,11 @@ from pyparsing import (
     nums,
 )
 
+logging.basicConfig(level=logging.INFO)
+argparser = argparse.ArgumentParser(description="creates a basic dsl")
+argparser.add_argument("-i", action="store_true")
+args = argparser.parse_args()
+
 
 class Parser:
     def __init__(self, vm):
@@ -54,17 +60,7 @@ class Parser:
         return res
 
 
-def main(cmds=None):
-    kind_id = "banana"
-    subs = {ev: False for ev in ["pdirty", "mdirty", "midi"]}
-
-    with voicemeeterlib.api(kind_id, subs=subs) as vm:
-        parser = Parser(vm)
-        if cmds:
-            res = parser.parse(cmds)
-            if res:
-                print(res)
-        else:
+def interactive_mode(parser):
     while cmd := input("Please enter command (Press <Enter> to exit)\n"):
         if not cmd:
             break
@@ -73,29 +69,32 @@ def main(cmds=None):
             print(res)
 
 
-if __name__ == "__main__":
-    logging.basicConfig(level=logging.INFO)
+def main():
+    # fmt: off
     cmds = (
-        "strip 0 -> mute -> on",
-        "strip 0 -> mute",
-        "bus 0 -> mute -> on",
-        "strip 0 -> mute -> off",
-        "bus 0 -> mute -> on",
-        "strip 3 -> solo -> on",
-        "strip 3 -> solo -> off",
-        "strip 1 -> A1 -> on",
-        "strip 1 -> A1",
-        "strip 1 -> A1 -> off",
-        "strip 1 -> A1",
-        "bus 3 -> eq -> on",
-        "bus 3 -> eq -> off",
-        "strip 4 -> gain -> 1.2",
-        "strip 0 -> gain -> -8.2",
-        "strip 0 -> gain",
-        "strip 1 -> label -> rode podmic",
-        "strip 2 -> limit -> -28",
+        "strip 0 -> mute -> on", "strip 0 -> mute", "bus 0 -> mute -> on",
+        "strip 0 -> mute -> off", "bus 0 -> mute -> on", "strip 3 -> solo -> on",
+        "strip 3 -> solo -> off", "strip 1 -> A1 -> on", "strip 1 -> A1",
+        "strip 1 -> A1 -> off", "strip 1 -> A1", "bus 3 -> eq -> on",
+        "bus 3 -> eq -> off", "strip 4 -> gain -> 1.2", "strip 0 -> gain -> -8.2",
+        "strip 0 -> gain", "strip 1 -> label -> rode podmic", "strip 2 -> limit -> -28",
         "strip 2 -> limit",
     )
+    # fmt: on
 
-    # pass cmds to parse cmds, otherwise simply run main() to test stdin parsing
-    main(cmds)
+    kind_id = "banana"
+    subs = {ev: False for ev in ["pdirty", "mdirty", "midi"]}
+
+    with voicemeeterlib.api(kind_id, subs=subs) as vm:
+        parser = Parser(vm)
+        if args.i:
+            interactive_mode(parser)
+            return
+
+        res = parser.parse(cmds)
+        if res:
+            print(res)
+
+
+if __name__ == "__main__":
+    main()

examples/midi/__main__.py

@@ -2,14 +2,16 @@ import logging
 
 import voicemeeterlib
 
+logging.basicConfig(level=logging.INFO)
+
 
 class Observer:
-    def __init__(self, vm, midi_btn, macrobutton):
-        self.vm = vm
-        self.midi_btn = midi_btn
-        self.macrobutton = macrobutton
+    # leftmost M on korg nanokontrol2 in CC mode
+    MIDI_BUTTON = 48
+    MACROBUTTON = 0
 
-    def register(self):
+    def __init__(self, vm):
+        self.vm = vm
         self.vm.subject.add(self)
 
     def on_update(self, subject):
@@ -34,23 +36,24 @@ class Observer:
         """
         if (
             max(self.vm.strip[3].levels.postfader) > -40
-            and self.vm.midi.get(self.midi_btn) == 127
+            and self.vm.midi.get(self.MIDI_BUTTON) == 127
         ):
             print(
-                f"Strip 3 level is greater than -40 and midi button {self.midi_btn} is pressed"
+                f"Strip 3 level is greater than -40 and midi button {self.MIDI_BUTTON} is pressed"
             )
-            self.vm.button[self.macrobutton].trigger = True
+            self.vm.button[self.MACROBUTTON].trigger = True
         else:
-            self.vm.button[self.macrobutton].trigger = False
-            self.vm.button[self.macrobutton].state = False
+            self.vm.button[self.MACROBUTTON].trigger = False
+            self.vm.button[self.MACROBUTTON].state = False
 
 
 def main():
+    kind_id = "banana"
+
     # we only care about midi events here.
     subs = {ev: False for ev in ["pdirty", "mdirty"]}
     with voicemeeterlib.api(kind_id, subs=subs) as vm:
-        obs = Observer(vm, midi_btn, macrobutton)
-        obs.register()
+        obs = Observer(vm)
 
         while cmd := input("Press <Enter> to exit\n"):
             if not cmd:
@@ -58,10 +61,4 @@ def main():
 
 
 if __name__ == "__main__":
-    logging.basicConfig(level=logging.INFO)
-    kind_id = "banana"
-    # leftmost M on korg nanokontrol2 in CC mode
-    midi_btn = 48
-    macrobutton = 0
-
     main()

examples/obs/__main__.py

@@ -3,20 +3,26 @@ import logging
 import obsws_python as obs
 import voicemeeterlib
 
-
-def on_start():
-    vm.strip[0].mute = True
-    vm.strip[1].B1 = True
-    vm.strip[2].B2 = True
+logging.basicConfig(level=logging.INFO)
 
 
-def on_brb():
-    vm.strip[7].fadeto(0, 500)
-    vm.bus[0].mute = True
+class Observer:
+    def __init__(self, vm):
+        self.vm = vm
+        self.client = obs.EventClient()
+        self.client.callback.register(self.on_current_program_scene_changed)
 
+    def on_start(self):
+        self.vm.strip[0].mute = True
+        self.vm.strip[1].B1 = True
+        self.vm.strip[2].B2 = True
 
-def on_end():
-    vm.apply(
+    def on_brb(self):
+        self.vm.strip[7].fadeto(0, 500)
+        self.vm.bus[0].mute = True
+
+    def on_end(self):
+        self.vm.apply(
             {
                 "strip-0": {"mute": True},
                 "strip-1": {"mute": True, "B1": False},
@@ -25,39 +31,36 @@ def on_end():
             }
         )
 
+    def on_live(self):
+        self.vm.strip[0].mute = False
+        self.vm.strip[7].fadeto(-6, 500)
+        self.vm.strip[7].A3 = True
+        self.vm.vban.instream[0].on = True
 
-def on_live():
-    vm.strip[0].mute = False
-    vm.strip[7].fadeto(-6, 500)
-    vm.strip[7].A3 = True
-    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)
 
-
-def on_current_program_scene_changed(data):
         scene = data.scene_name
         print(f"Switched to scene {scene}")
-
-    match scene:
-        case "START":
-            on_start()
-        case "BRB":
-            on_brb()
-        case "END":
-            on_end()
-        case "LIVE":
-            on_live()
-        case _:
-            pass
+        if fn := fget(scene):
+            fn()
 
 
-if __name__ == "__main__":
-    logging.basicConfig(level=logging.INFO)
-
+def main():
     subs = {ev: False for ev in ["pdirty", "mdirty", "midi"]}
     with voicemeeterlib.api("potato", subs=subs) as vm:
-        cl = obs.EventClient()
-        cl.callback.register(on_current_program_scene_changed)
-
+        obs = Observer(vm)
         while cmd := input("<Enter> to exit\n"):
             if not cmd:
                 break
+
+
+if __name__ == "__main__":
+    main()

examples/observer/__main__.py

@@ -2,6 +2,8 @@ import logging
 
 import voicemeeterlib
 
+logging.basicConfig(level=logging.INFO)
+
 
 class Observer:
     def __init__(self, vm):
@@ -27,6 +29,8 @@ class Observer:
 
 
 def main():
+    kind_id = "banana"
+
     with voicemeeterlib.api(kind_id) as vm:
         Observer(vm)
 
@@ -36,7 +40,4 @@ def main():
 
 
 if __name__ == "__main__":
-    logging.basicConfig(level=logging.INFO)
-    kind_id = "banana"
-
     main()

pyproject.toml

@@ -25,3 +25,9 @@ isort = "^5.10.1"
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
+
+[tool.poetry.scripts]
+dsl = "examples.dsl.__main__:main"
+midi = "examples.midi.__main__:main"
+obs = "examples.obs.__main__:main"
+observer = "examples.observer.__main__:main"