in financial_functions/lambda_handlers.py [0:0]
def pv_handler(request, context):
"""
Present Value calculation
:param request: Dict containing the parameters to pass to the formula.
:param context: Lambda execution context
:return: Dict with a 'result' entry containing the result of the calculation
"""
logger.info("PV request: {}".format(request))
validation_result = __validate_arguments('PV', request, schemas.pv_schema)
if not validation_result.get('isValid'):
return {'error': validation_result.get('error')}
args = [request['rate'], request['nper'], request.get('pmt', 0), request.get('fv', 0), request.get('type', 0)]
return __call_numpy('pv', args)