validation.py 文件源码

def ValidatedPOSTAPI(request, schema, expected_params, target):
    """
    Validate POST APIs.
    """

    error_response = None
    if expected_params:
        _is_valid_query(request.GET, expected_params)   # Either passes through or raises an exception.

    if schema:
        # If there is a problem with the json data, return a 400.
        try:
            data = json.loads(request.body.decode("utf-8"))
            validate(data, schema) 
        except Exception as e:
            # Check the value is in settings, and that it is not None
            if hasattr(settings, 'RAMLWRAP_VALIDATION_ERROR_HANDLER') and settings.RAMLWRAP_VALIDATION_ERROR_HANDLER:
                error_response = _call_custom_handler(e)

            else:
                error_response = _validation_error_handler(e)
    else:
        data = json.loads(request.body.decode('utf-8'))

    if error_response:
        response = error_response
    else:
        request.validated_data = data
        response = target(request)

    if isinstance(response, HttpResponse):
        return response
    else:
        return HttpResponse(json.dumps(response))