refactor: drop default value for language_code

GitOrigin-RevId: b7b6deec85b270ad0a6d8f3e3697097f29f24782

Author: dmccrystal

assemblyai/types.py

@@ -313,7 +313,7 @@ class SummarizationType(str, Enum):
 
 
 class RawTranscriptionConfig(BaseModel):
-    language_code: LanguageCode = LanguageCode.en_us
+    language_code: Optional[LanguageCode]
     """
     The language of your audio file. Possible values are found in Supported Languages.
 
@@ -423,7 +423,7 @@ class Config:
 class TranscriptionConfig:
     def __init__(
         self,
-        language_code: LanguageCode = LanguageCode.en_us,
+        language_code: Optional[LanguageCode] = None,
         punctuate: Optional[bool] = None,
         format_text: Optional[bool] = None,
         dual_channel: Optional[bool] = None,
@@ -543,12 +543,12 @@ def raw(self) -> RawTranscriptionConfig:
     # region: Getters/Setters
 
     @property
-    def language_code(self) -> LanguageCode:
+    def language_code(self) -> Optional[LanguageCode]:
         "The language code of the audio file."
         return self._raw_transcription_config.language_code
 
     @language_code.setter
-    def language_code(self, language_code: LanguageCode) -> None:
+    def language_code(self, language_code: Optional[LanguageCode]) -> None:
         "Sets the language code of the audio file."
 
         self._raw_transcription_config.language_code = language_code
@@ -1357,7 +1357,7 @@ class BaseTranscript(BaseModel):
     Available transcription features
     """
 
-    language_code: LanguageCode = LanguageCode.en_us
+    language_code: Optional[LanguageCode]
     """
     The language of your audio file. Possible values are found in Supported Languages.
 

tests/unit/test_transcriber.py

@@ -1,4 +1,5 @@
 import copy
+import json
 import os
 from unittest.mock import mock_open, patch
 
@@ -425,3 +426,24 @@ def test_transcribe_async_url_fails(httpx_mock: HTTPXMock):
 
     # check whether we mocked everything
     assert len(httpx_mock.get_requests()) == 3
+
+
+def test_language_detection(httpx_mock: HTTPXMock):
+    httpx_mock.add_response(
+        url=f"{aai.settings.base_url}/transcript",
+        status_code=httpx.codes.OK,
+        method="POST",
+        json={},
+    )
+
+    aai.Transcriber().transcribe(
+        "https://example.org/audio.wav",
+        config=aai.TranscriptionConfig(
+            language_code=None,
+            language_detection=True,
+        ),
+    )
+
+    request = json.loads(httpx_mock.get_requests()[0].content.decode())
+    assert request["language_detection"] is True
+    assert request.get("language_code") is None