mypy

dogbarking/__main__.py

@@ -41,7 +41,7 @@ def nogui(
     ] = 0.1,
     save_path: Annotated[
         Path, typer.Argument(help="The path to save the audio file to.")
-    ] = "./outputs",
+    ] = Path("./outputs"),
     # email: Annotated[Optional[str], "The email to send the alert to."]=None
 ):
     logger.warning("Remember to turn your volume all the way up!")

dogbarking/audio.py

@@ -57,7 +57,9 @@ def device_index(self) -> int:
     def __iter__(self) -> Generator[npt.NDArray[np.float32], None, None]:  # type: ignore
         while True:
             out = self.get_buffer()
-            if len(self._waveform) > self.keep_historical_buffers:
+            if self._waveform is None:
+                self._waveform = []
+            elif len(self._waveform) > self.keep_historical_buffers:
                 self._waveform.pop(0)
             self._waveform.append(out)
             yield out
@@ -76,6 +78,10 @@ def save(self, filepath: Path) -> None:
         if not directory.exists():
             os.makedirs(directory)
 
+        if self._waveform is None:
+            logger.error("No waveform to save.")
+            return
+
         waveform = np.concatenate(self._waveform)
         sf.write(filepath, waveform, self.sample_freq)
         logger.info(f"Saved {filepath}")

pyproject.toml

@@ -32,3 +32,4 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.mypy]
 plugins = ["numpy.typing.mypy_plugin"]
+ignore_missing_imports = true