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from typing import Optional
from dotenv import load_dotenv
from google.oauth2 import service_account
import vertexai
import os
import json
import base64
load_dotenv()
VERTEXAI_PROJECT = os.environ["VERTEXAI_PROJECT"]
def decode_service_key():
encoded_key = os.environ["GOOGLE_APPLICATION_CREDENTIALS"]
original_service_key = json.loads(base64.b64decode(encoded_key).decode('utf-8'))
if original_service_key:
return original_service_key
return None
def initialize_vertexai_params(location: Optional[str] = "us-central1"):
credentials = decode_service_key()
creds_file_name = os.getcwd() + "/.config/application_default_credentials.json"
with open(creds_file_name, 'w', encoding='utf-8') as file:
json.dump(credentials, file, ensure_ascii=False, indent=4)
os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = creds_file_name
service_account.Credentials.from_service_account_file(
filename=os.environ["GOOGLE_APPLICATION_CREDENTIALS"],
scopes=["https://www.googleapis.com/auth/cloud-platform"],
)
vertexai.init(project=VERTEXAI_PROJECT, location=location)
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