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from django.conf import settings
from django.core.mail.backends.base import BaseEmailBackend
from sparkpost import SparkPost, US_API
from .message import SparkPostMessage
class SparkPostEmailBackend(BaseEmailBackend):
"""
SparkPost wrapper for Django email backend
"""
def __init__(self, fail_silently=False, **kwargs):
super(SparkPostEmailBackend, self)\
.__init__(fail_silently=fail_silently, **kwargs)
sp_api_key = getattr(settings, 'SPARKPOST_API_KEY', None)
sp_base_uri = getattr(settings, 'SPARKPOST_BASE_URI', US_API)
self.client = SparkPost(sp_api_key, sp_base_uri)
def send_messages(self, email_messages):
"""
Send emails, returns integer representing number of successful emails
"""
success = 0
for message in email_messages:
try:
response = self._send(SparkPostMessage(message))
success += response['total_accepted_recipients']
except Exception:
if not self.fail_silently:
raise
return success
def _send(self, message):
params = getattr(settings, 'SPARKPOST_OPTIONS', {}).copy()
params.update(message)
return self.client.transmissions.send(**params)
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