sfmc_trigger_send.py

def post_to_trigger_send(
        accessToken: str, 
        triggeredSendDefinitionKey: str,
        SubscriberKey: str, 
        From: dict,
        Attributes: dict
    ) -> requests.Response:
        
    host = "https://www.exacttargetapis.com" 
    end_point = "/messaging/v1/messageDefinitionSends/key:{triggeredSendDefinitionKey}/send"
    url = host + end_point.format(triggeredSendDefinitionKey=triggeredSendDefinitionKey)
    
    headers = {
        "Content-Type": "application/json",
        "Authorization": "Bearer %s" % accessToken
    }

    data = {
        "From": From,        
        "To": {
            "Address": SubscriberKey,
            "SubscriberKey": SubscriberKey,
            "ContactAttributes": {
                "SubscriberAttributes": Attributes
            }
        },    
        "Options": {
            "RequestType": "ASYNC"
        }

    }
        
    req = requests.post(
        url, 
        headers = headers,
        data=json.dumps(data)
    )

    return req