initial commit

src/nvda_voicemeeter/nvda.py

@@ -0,0 +1,29 @@
+from .cdll import libc
+
+
+class CBindings:
+    bind_test_if_running = libc.nvdaController_testIfRunning
+    bind_speak_text = libc.nvdaController_speakText
+    bind_cancel_speech = libc.nvdaController_cancelSpeech
+    bind_braille_message = libc.nvdaController_brailleMessage
+
+    def call(self, fn, *args, ok=(0,)):
+        retval = fn(*args)
+        if retval not in ok:
+            raise RuntimeError(f"{fn.__name__} returned {retval}")
+        return retval
+
+
+class Nvda(CBindings):
+    @property
+    def is_running(self):
+        return self.call(self.bind_test_if_running, ok=(0, 1)) == 0
+
+    def speak(self, text):
+        self.call(self.bind_speak_text, text)
+
+    def cancel_speech(self):
+        self.call(self.bind_cancel_speech)
+
+    def braille_message(self, text):
+        self.call(self.bind_braille_message, text)