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fix(google): allow explicit project for Speech-to-Text #6810

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Merged
longcw merged 1 commit into from
Aug 12, 2026
Merged

fix(google): allow explicit project for Speech-to-Text #6810

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7 changes: 5 additions & 2 deletions livekit-plugins/livekit-plugins-google/livekit/plugins/google/stt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -150,6 +150,7 @@ def __init__(
enable_voice_activity_events: bool = False,
model: SpeechModels | str = "latest_long",
location: str = "global",
project: NotGivenOr[str] = NOT_GIVEN,
profanity_filter: bool = False,
sample_rate: int = 16000,
min_confidence_threshold: float = _default_min_confidence,
Expand Down Expand Up @@ -185,6 +186,7 @@ def __init__(
enable_voice_activity_events(bool): whether to enable voice activity events (default: False)
model(SpeechModels): the model to use for recognition default: "latest_long"
location(str): the location to use for recognition default: "global"
project(str): the Google Cloud project to use for recognition
profanity_filter(bool): whether to filter out profanities default: False
sample_rate(int): the sample rate of the audio default: 16000
min_confidence_threshold(float): minimum confidence threshold for recognition
Expand Down Expand Up @@ -247,7 +249,7 @@ def __init__(
self._credentials_info = credentials_info
self._credentials_file = credentials_file
self._credentials = credentials
self._project_id: str | None = None
self._project_id: str | None = project if is_given(project) else None

if (
not is_given(credentials)
Expand Down Expand Up @@ -333,7 +335,8 @@ async def _create_client(self, timeout: float) -> SpeechAsyncClientV2 | SpeechAs
self._credentials_file,
scopes=["https://www.googleapis.com/auth/cloud-platform"],
)
self._project_id = project_id
if self._project_id is None:
self._project_id = project_id
client = client_cls(credentials=credentials, client_options=client_options)
else:
client = client_cls(client_options=client_options)
Expand Down
9 changes: 9 additions & 0 deletions tests/test_google_credentials.py
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,15 @@ async def test_recognizer_uses_project_from_credentials(self) -> None:
recognizer = stt_instance._get_recognizer(client)
assert recognizer == "projects/test-project-123/locations/global/recognizers/_"

async def test_recognizer_uses_explicit_project(self) -> None:
creds = AnonymousCredentials()
stt_instance = STT(credentials=creds, project="explicit-project")
client = await stt_instance._create_client(timeout=1.0)

assert stt_instance._get_recognizer(client) == (
"projects/explicit-project/locations/global/recognizers/_"
)

async def test_clear_error_when_project_unresolvable(self, monkeypatch) -> None:
# no project on the credentials and no ADC available: the error must
# say what is wrong instead of a confusing "default credentials not
Expand Down