Update api.py

api.py

@@ -14,21 +14,13 @@ from fastapi import FastAPI, HTTPException
 from pydantic import BaseModel
 import threading
 import uvicorn
+import logging
 
-from tools.torchgate import TorchGate
+# Initialize the logger
-import tools.rvc_for_realtime as rvc_for_realtime
+logging.basicConfig(level=logging.INFO)
-from configs.config import Config
+logger = logging.getLogger(__name__)
-
-load_dotenv()
-os.environ["OMP_NUM_THREADS"] = "4"
-if sys.platform == "darwin":
-    os.environ["PYTORCH_ENABLE_MPS_FALLBACK"] = "1"
-
-now_dir = os.getcwd()
-sys.path.append(now_dir)
-
-stream_latency = -1
 
+# Define FastAPI app
 app = FastAPI()
 
 class GUIConfig:
@@ -69,23 +61,25 @@ class ConfigData(BaseModel):
 class AudioAPI:
     def __init__(self) -> None:
         self.gui_config = GUIConfig()
-        self.config = Config()
+        self.config = None  # Initialize Config object as None
         self.flag_vc = False
         self.function = "vc"
         self.delay_time = 0
+        self.rvc = None  # Initialize RVC object as None
 
     def load(self):
         input_devices, output_devices, _, _ = self.get_devices()
         try:
-            with open("configs/config.json", "r") as j:
+            with open("configs/config.json", "r", encoding='utf-8') as j:
                 data = json.load(j)
                 data["rmvpe"] = True  # Ensure rmvpe is the only f0method
                 if data["sg_input_device"] not in input_devices:
                     data["sg_input_device"] = input_devices[sd.default.device[0]]
                 if data["sg_output_device"] not in output_devices:
                     data["sg_output_device"] = output_devices[sd.default.device[1]]
-        except:
+        except Exception as e:
-            with open("configs/config.json", "w") as j:
+            logger.error(f"Failed to load configuration: {e}")
+            with open("configs/config.json", "w", encoding='utf-8') as j:
                 data = {
                     "pth_path": " ",
                     "index_path": " ",
@@ -102,18 +96,15 @@ class AudioAPI:
                     "use_jit": False,
                 }
                 data["rmvpe"] = True  # Ensure rmvpe is the only f0method
+                json.dump(data, j, ensure_ascii=False)
         return data
 
     def set_values(self, values):
-        if len(values.pth_path.strip()) == 0:
+        logger.info(f"Setting values: {values}")
+        if not values.pth_path.strip():
             raise HTTPException(status_code=400, detail="Please select a .pth file")
-        if len(values.index_path.strip()) == 0:
+        if not values.index_path.strip():
             raise HTTPException(status_code=400, detail="Please select an index file")
-        pattern = re.compile("[^\x00-\x7F]+")
-        if pattern.findall(values.pth_path):
-            raise HTTPException(status_code=400, detail=".pth file path should not contain non-ASCII characters")
-        if pattern.findall(values.index_path):
-            raise HTTPException(status_code=400, detail="Index file path should not contain non-ASCII characters")
         self.set_devices(values.sg_input_device, values.sg_output_device)
         self.config.use_jit = False
         self.gui_config.pth_path = values.pth_path
@@ -143,10 +134,8 @@ class AudioAPI:
             0,
             0,
             self.config,
-            self.rvc if hasattr(self, "rvc") else None,
+            self.rvc if self.rvc else None,
         )
-        if not hasattr(self.rvc, 'tgt_sr'):
-            self.rvc.tgt_sr = 44100  
         self.gui_config.samplerate = self.rvc.tgt_sr
         self.zc = self.rvc.tgt_sr // 100
         self.block_frame = (
@@ -226,8 +215,8 @@ class AudioAPI:
             stream_latency = stream.latency[-1]
             while self.flag_vc:
                 time.sleep(self.gui_config.block_time)
-                print("Audio block passed.")
+                logger.info("Audio block passed.")
-        print("ENDing VC")
+        logger.info("Ending VC")
 
     def audio_callback(self, indata: np.ndarray, outdata: np.ndarray, frames, times, status):
         start_time = time.perf_counter()
@@ -289,7 +278,7 @@ class AudioAPI:
             sola_offset = sola_offset.item()
         else:
             sola_offset = torch.argmax(cor_nom[0, 0] / cor_den[0, 0])
-        print("sola_offset = %d" % int(sola_offset))
+        logger.info(f"sola_offset = {sola_offset}")
         infer_wav = infer_wav[sola_offset : sola_offset + self.block_frame + self.crossfade_frame]
         infer_wav[: self.crossfade_frame] *= self.fade_in_window
         infer_wav[: self.crossfade_frame] += self.sola_buffer * self.fade_out_window
@@ -299,7 +288,7 @@ class AudioAPI:
         else:
             outdata[:] = infer_wav[: -self.crossfade_frame].repeat(2, 1).t().cpu().numpy()
         total_time = time.perf_counter() - start_time
-        print("Infer time: %.2f" % total_time)
+        logger.info(f"Infer time: {total_time:.2f}")
 
     def get_devices(self, update: bool = True):
         if update:
@@ -344,34 +333,61 @@ class AudioAPI:
             input_device_indices,
             output_device_indices,
         ) = self.get_devices()
+        logger.debug(f"Available input devices: {input_devices}")
+        logger.debug(f"Available output devices: {output_devices}")
+        logger.debug(f"Selected input device: {input_device}")
+        logger.debug(f"Selected output device: {output_device}")
+
+        if input_device not in input_devices:
+            logger.error(f"Input device '{input_device}' is not in the list of available devices")
+            raise HTTPException(status_code=400, detail=f"Input device '{input_device}' is not available")
+        
+        if output_device not in output_devices:
+            logger.error(f"Output device '{output_device}' is not in the list of available devices")
+            raise HTTPException(status_code=400, detail=f"Output device '{output_device}' is not available")
+
         sd.default.device[0] = input_device_indices[input_devices.index(input_device)]
         sd.default.device[1] = output_device_indices[output_devices.index(output_device)]
-        print("Input device: %s:%s" % (str(sd.default.device[0]), input_device))
+        logger.info(f"Input device set to {sd.default.device[0]}: {input_device}")
-        print("Output device: %s:%s" % (str(sd.default.device[1]), output_device))
+        logger.info(f"Output device set to {sd.default.device[1]}: {output_device}")
 
 audio_api = AudioAPI()
 
-@app.get("/inputDevices")
+@app.get("/inputDevices", response_model=list)
 def get_input_devices():
-    input_devices, _, _, _ = audio_api.get_devices()
+    try:
-    return input_devices
+        input_devices, _, _, _ = audio_api.get_devices()
+        return input_devices
+    except Exception as e:
+        logger.error(f"Failed to get input devices: {e}")
+        raise HTTPException(status_code=500, detail="Failed to get input devices")
 
-@app.get("/outputDevices")
+@app.get("/outputDevices", response_model=list)
 def get_output_devices():
-    _, output_devices, _, _ = audio_api.get_devices()
+    try:
-    return output_devices
+        _, output_devices, _, _ = audio_api.get_devices()
+        return output_devices
+    except Exception as e:
+        logger.error(f"Failed to get output devices: {e}")
+        raise HTTPException(status_code=500, detail="Failed to get output devices")
 
 @app.post("/config")
 def configure_audio(config_data: ConfigData):
     try:
+        logger.info(f"Configuring audio with data: {config_data}")
         if audio_api.set_values(config_data):
             settings = config_data.dict()
             settings["use_jit"] = False
             settings["f0method"] = "rmvpe"
-            with open("configs/config.json", "w") as j:
+            with open("configs/config.json", "w", encoding='utf-8') as j:
-                json.dump(settings, j)
+                json.dump(settings, j, ensure_ascii=False)
+            logger.info("Configuration set successfully")
             return {"message": "Configuration set successfully"}
+    except HTTPException as e:
+        logger.error(f"Configuration error: {e.detail}")
+        raise
     except Exception as e:
+        logger.error(f"Configuration failed: {e}")
         raise HTTPException(status_code=400, detail=f"Configuration failed: {e}")
 
 @app.post("/start")
@@ -381,8 +397,13 @@ def start_conversion():
             audio_api.start_vc()
             return {"message": "Audio conversion started"}
         else:
+            logger.warning("Audio conversion already running")
             raise HTTPException(status_code=400, detail="Audio conversion already running")
+    except HTTPException as e:
+        logger.error(f"Start conversion error: {e.detail}")
+        raise
     except Exception as e:
+        logger.error(f"Failed to start conversion: {e}")
         raise HTTPException(status_code=500, detail=f"Failed to start conversion: {e}")
 
 @app.post("/stop")
@@ -394,9 +415,25 @@ def stop_conversion():
             stream_latency = -1
             return {"message": "Audio conversion stopped"}
         else:
+            logger.warning("Audio conversion not running")
             raise HTTPException(status_code=400, detail="Audio conversion not running")
+    except HTTPException as e:
+        logger.error(f"Stop conversion error: {e.detail}")
+        raise
     except Exception as e:
+        logger.error(f"Failed to stop conversion: {e}")
         raise HTTPException(status_code=500, detail=f"Failed to stop conversion: {e}")
 
 if __name__ == "__main__":
-    uvicorn.run(app, host="0.0.0.0", port=8043)
+    if sys.platform == "win32":
+        from multiprocessing import freeze_support
+        freeze_support()
+    load_dotenv()
+    os.environ["OMP_NUM_THREADS"] = "4"
+    if sys.platform == "darwin":
+        os.environ["PYTORCH_ENABLE_MPS_FALLBACK"] = "1"
+    from tools.torchgate import TorchGate
+    import tools.rvc_for_realtime as rvc_for_realtime
+    from configs.config import Config
+    audio_api.config = Config()
+    uvicorn.run(app, host="0.0.0.0", port=6242)