在 sendgrid 中发送多个动态模板电子邮件时出现个性化字段错误

Question

我正在尝试使用 Django 中的 Sendgrid 动态模板发送大量电子邮件并收到此错误：The personalizations field is required and must have at least one personalization.

使用sendgrid 6.9.7

有没有人看到我可能哪里出错了：

from django.conf import settings
from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import Mail, To

def send_mass_email():

    to_emails = [
        To(email='email1@gmail.com',
           dynamic_template_data={
              "thing_i_want_personalized": 'hello email 1',
           }),
        To(email='email2@gmail.com',
           dynamic_template_data={
              "thing_i_want_personalized": 'hello email 2',
           }),
    ]

    msg = Mail(
      from_email='notifications@mysite.com>',
    )
    msg.to_emails = to_emails
    msg.is_multiple = True
    msg.template_id = "d-template_id"

    try:
        sendgrid_client = SendGridAPIClient(settings.SENDGRID_API_KEY)
        response = sendgrid_client.send(msg)
        print(response.status_code)
        print(response.body)
        print(response.headers)
    except Exception as e:
        print(e)
        print(e.body)

    return

输出为

HTTP Error 400: Bad Request
b'{"errors":[{"message":"The personalizations field is required and must have at least one personalization.","field":"personalizations","help":"http://sendgrid.com/docs/API_Reference/Web_API_v3/Mail/errors.html#-Personalizations-Errors"}]}'

Answer 1

Mail class 在初始化期间用初始值做一些事情（它根据 to_emails 设置私有内部值），所以你需要传递 to_emails和 is_multiple 在初始值设定项中而不是稍后：

from django.conf import settings
from sendgrid import SendGridAPIClient
from sendgrid.helpers.mail import Mail, To

def send_mass_email():
    to_emails = [
        To(email='email1@gmail.com',
           dynamic_template_data={
              "thing_i_want_personalized": 'hello email 1',
           }),
        To(email='email2@gmail.com',
           dynamic_template_data={
              "thing_i_want_personalized": 'hello email 2',
           }),
    ]

    msg = Mail(
      from_email='notifications@mysite.com>',
      to_emails = to_emails,
      is_multiple = True
    )
    msg.template_id = "d-template_id"

    try:
        sendgrid_client = SendGridAPIClient(settings.SENDGRID_API_KEY)
        response = sendgrid_client.send(msg)
        print(response.status_code)
        print(response.body)
        print(response.headers)
    except Exception as e:
        print(e)
        print(e.body)

    return

在 sendgrid 中发送多个动态模板电子邮件时出现个性化字段错误

Personalizations field error when sending multiple dynamic template emails in sendgrid

python

django

sendgrid