update

deepgram/audio/microphone/microphone.py

@@ -5,7 +5,7 @@
 import inspect
 import asyncio
 import threading
-from typing import Optional
+from typing import Optional, Callable
 import logging
 
 from deepgram.utils import verboselogs
@@ -39,7 +39,7 @@ class Microphone:  # pylint: disable=too-many-instance-attributes
 
     def __init__(
         self,
-        push_callback: Optional[object],
+        push_callback: Optional[Callable] = None,
         verbose: int = LOGGING,
         rate: int = RATE,
         chunk: int = CHUNK,
@@ -84,7 +84,7 @@ def is_active(self) -> bool:
         self._logger.debug("Microphone.is_active LEAVE")
         return val
 
-    def set_callback(self, push_callback) -> None:
+    def set_callback(self, push_callback: Callable) -> None:
         """
         Set the callback function to be called when data is received.
         """
@@ -102,6 +102,11 @@ def start(self) -> bool:
         self._logger.info("chunk: %d", self._chunk)
         self._logger.info("input_device_id: %d", self._input_device_index)
 
+        if self._push_callback_org is None:
+            self._logger.error("start() failed. No callback set.")
+            self._logger.debug("Microphone.start LEAVE")
+            return False
+
         if inspect.iscoroutinefunction(self._push_callback_org):
             self._logger.verbose("async/await callback - wrapping")
             # Run our own asyncio loop.

deepgram/options.py

@@ -38,6 +38,9 @@ def __init__(
         self.logger = verboselogs.VerboseLogger(__name__)
         self.logger.addHandler(logging.StreamHandler())
 
+        if api_key is None:
+            api_key = ""
+
         self.verbose = verbose
         self.api_key = api_key
         self._update_headers(headers=headers)
@@ -99,6 +102,9 @@ def __init__(
         self.logger.addHandler(logging.StreamHandler())
         self.logger.setLevel(verboselogs.WARNING)  # temporary set for setup
 
+        if api_key is None:
+            api_key = ""
+
         if api_key == "":
             api_key = os.getenv("DEEPGRAM_API_KEY", "")
             if api_key == "":

examples/advanced/prerecorded/direct_invocation/main.py

@@ -13,7 +13,7 @@
 load_dotenv()
 
 AUDIO_URL = {
-    "url": "https://static.deepgram.com/examples/Bueller-Life-moves-pretty-fast.wav"
+    "url": "https://static.deepgram.com/examples-tmp/Bueller-Life-moves-pretty-fast.wav"
 }
 
 
@@ -38,7 +38,8 @@ def main():
 
     except Exception as e:
         print(f"Exception: {e}")
-        traceback.print_exc()
+        # enable the following line to print the stack trace
+        # traceback.print_exc()
 
 
 if __name__ == "__main__":

examples/advanced/streaming/mute-microphone/main.py

@@ -40,9 +40,7 @@ def on_message(self, result, **kwargs):
             sentence = result.channel.alternatives[0].transcript
             if len(sentence) == 0:
                 return
-            microphone.mute()
             print(f"speaker: {sentence}")
-            microphone.unmute()
 
         def on_metadata(self, metadata, **kwargs):
             print(f"\n\n{metadata}\n\n")