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Example to call Gemini API with ADC
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# You may need to install the following libraries: | |
# * google-auth | |
# * requests | |
import json | |
from typing import Any | |
import google.auth | |
import google.auth.credentials | |
import google.auth.transport.requests | |
class Chatbot: | |
def __init__( | |
self, | |
credentials: google.auth.credentials.Credentials, | |
project: str, | |
region: str, | |
): | |
self._url = ( | |
f"https://{region}-aiplatform.googleapis.com" | |
f"/v1/projects/{project}/locations/{region}" | |
"/publishers/google/models/gemini-pro:streamGenerateContent" | |
) | |
self._headers = { | |
"Content-Type": "application/json; charset=utf-8", | |
} | |
self._session = google.auth.transport.requests.AuthorizedSession( | |
credentials, | |
) | |
def submit(self, request: dict[str, Any]) -> None: | |
response = self._session.request( | |
"POST", self._url, headers=self._headers, json=request, | |
) | |
if response.status_code != 200: | |
raise RuntimeError(f"{response.status_code}: {response.json()}") | |
return response.json() | |
def main(): | |
credentials, project = google.auth.default() | |
region = "asia-northeast1" | |
chatbot = Chatbot(credentials, project, region) | |
request = { | |
"contents": { | |
"role": "user", | |
"parts": { | |
"text": "Give me a recipe for banana bread.", | |
} | |
}, | |
"safety_settings": { | |
"category": "HARM_CATEGORY_SEXUALLY_EXPLICIT", | |
"threshold": "BLOCK_LOW_AND_ABOVE", | |
}, | |
"generation_config": { | |
"temperature": 0.2, | |
"topP": 0.8, | |
"topK": 40, | |
"maxOutputTokens": 200, | |
"stopSequences": [".", "?", "!"], | |
} | |
} | |
print(json.dumps(chatbot.submit(request), indent=2)) | |
if __name__ == "__main__": | |
main() |
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