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Support async, ip_pool, and send_at.

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Closes #40.
Closes #48.
This commit is contained in:
medmunds
2013-10-19 13:09:05 -07:00
parent f565a4c294
commit b26ba42e77
4 changed files with 103 additions and 16 deletions
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65
djrill/mail/backends/djrill.py
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@@ -8,6 +8,7 @@ from django.core.mail.message import sanitize_address, DEFAULT_ATTACHMENT_MIME_T
from ... import MANDRILL_API_URL, MandrillAPIError, NotSupportedByMandrillError
from base64 import b64encode
from datetime import date, datetime
from email.mime.base import MIMEBase
from email.utils import parseaddr
import json
@@ -17,6 +18,25 @@ import requests
DjrillBackendHTTPError = MandrillAPIError # Backwards-compat Djrill<=0.2.0
class JSONDateUTCEncoder(json.JSONEncoder):
"""JSONEncoder that encodes dates in string format used by Mandrill.
datetime becomes "YYYY-MM-DD HH:MM:SS"
converted to UTC, if timezone-aware
microseconds removed
date becomes "YYYY-MM-DD 00:00:00"
"""
def default(self, obj):
if isinstance(obj, datetime):
dt = obj.replace(microsecond=0)
if dt.utcoffset() is not None:
dt = (dt - dt.utcoffset()).replace(tzinfo=None)
return dt.isoformat(' ')
elif isinstance(obj, date):
return obj.isoformat() + ' 00:00:00'
return super(JSONDateUTCEncoder, self).default(obj)
class DjrillBackend(BaseEmailBackend):
"""
Mandrill API Email Backend
@@ -54,32 +74,35 @@ class DjrillBackend(BaseEmailBackend):
if not message.recipients():
return False
api_url = self.api_send
api_params = {
"key": self.api_key,
}
try:
msg_dict = self._build_standard_message_dict(message)
self._add_mandrill_options(message, msg_dict)
if getattr(message, 'alternatives', None):
self._add_alternatives(message, msg_dict)
self._add_attachments(message, msg_dict)
api_params['message'] = msg_dict
# check if template is set in message to send it via
# api url: /messages/send-template.json
if hasattr(message, 'template_name'):
api_url = self.api_send_template
api_params['template_name'] = message.template_name
api_params['template_content'] = \
self._expand_merge_vars(getattr(message, 'template_content', {}))
self._add_mandrill_toplevel_options(message, api_params)
except NotSupportedByMandrillError:
if not self.fail_silently:
raise
return False
api_url = self.api_send
api_params = {
"key": self.api_key,
"message": msg_dict
}
# check if template is set in message to send it via
# api url: /messages/send-template.json
if hasattr(message, 'template_name'):
api_url = self.api_send_template
api_params['template_name'] = message.template_name
api_params['template_content'] = \
self._expand_merge_vars(getattr(message, 'template_content', {}))
response = requests.post(api_url, data=json.dumps(api_params))
response = requests.post(api_url, data=json.dumps(api_params, cls=JSONDateUTCEncoder))
if response.status_code != 200:
if not self.fail_silently:
@@ -140,8 +163,18 @@ class DjrillBackend(BaseEmailBackend):
return msg_dict
def _add_mandrill_toplevel_options(self, message, api_params):
"""Extend api_params to include Mandrill global-send options set on message"""
# Mandrill attributes that can be copied directly:
mandrill_attrs = [
'async', 'ip_pool', 'send_at'
]
for attr in mandrill_attrs:
if hasattr(message, attr):
api_params[attr] = getattr(message, attr)
def _add_mandrill_options(self, message, msg_dict):
"""Extend msg_dict to include Mandrill options set on message"""
"""Extend msg_dict to include Mandrill per-message options set on message"""
# Mandrill attributes that can be copied directly:
mandrill_attrs = [
'from_name', # overrides display name parsed from from_email above