custom-event-bridge-code-binding

index.py

# Lets take a simple event
# and event.json is the jsonschema of it
# {
#   "administration": "YOURBACKOFFICECODE",
#   "personNumber": 1337
# }


import json
from logging import getLogger, INFO
from schema.pogu import Event, Marshaller
from aws_lambda_powertools.utilities.validation import validator

logger = getLogger()
logger.setLevel(INFO)

with open('schemas/event.json', 'r') as file:
    event_schema = json.loads(file.read())


@validator(inbound_schema=event_schema)
def handler(event: Event, context):
    # Deserialize event into strongly typed object (but what is the added value in PY tov notating event as Event in the handler method)
    customEvent: Event = Marshaller.unmarshall(event, Event)
    adminstratie: str = customEvent.administration
    personNumber: int = customEvent.personNumber
    logger.info(adminstratie + str(personNumber))

    # rest of the function logic goes brrrrr

    # for example make some update to event payload
    customEvent.administration = "POG U updated event of " + customEvent.administration

    # Return the event again
    return Marshaller.marshall(customEvent)