File size: 698 Bytes
e9d47d5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | from pydantic import BaseModel, field_validator
from aws_lambda_powertools.utilities.parser import parse
from aws_lambda_powertools.utilities.typing import LambdaContext
class HelloWorldModel(BaseModel):
message: str
@field_validator("message")
def is_hello_world(cls, v):
if v != "hello world":
raise ValueError("Message must be hello world!")
return v
def lambda_handler(event: dict, context: LambdaContext):
try:
parsed_event = parse(model=HelloWorldModel, event=event)
return {"statusCode": 200, "body": f"Received message: {parsed_event.message}"}
except ValueError as e:
return {"statusCode": 400, "body": str(e)}
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