Created
April 21, 2020 19:46
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Retrieve and parse MailGun bounces & suppressions via MailGun API
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#!/usr/bin/env python | |
'''Retrieve and parse MailGun bounces & suppressions via MailGun API. | |
Set MAILGUN_API_KEY and MAILGUN_DOMAIN as env vars. | |
See https://documentation.mailgun.com/en/latest/api-suppressions.html#view-all-bounces | |
''' | |
import os, sys, json, logging, requests, datetime | |
__copyright__ = "Copyright (c) 2020, Demand Logic Limited. All rights reserved." | |
__author__ = "Nils Toedtmann <nils.toedtmann@demandlogic.co.uk>" | |
logging.basicConfig(level=logging.DEBUG) | |
log = logging.getLogger(__name__) | |
try: | |
mailgun_domain = sys.argv[1] | |
except IndexError: | |
mailgun_domain = os.environ['MAILGUN_DOMAIN'] | |
mailgun_api_key = os.environ['MAILGUN_API_KEY'] | |
auth = ("api", mailgun_api_key) | |
item_list = [] | |
next_url = "https://api.mailgun.net/v3/{}/bounces".format(mailgun_domain) | |
while next_url: | |
result = requests.get(next_url, auth=auth) | |
log.info("Status code={}, reason='{}'".format(result.status_code, result.reason)) | |
if result.status_code != 200: | |
sys.exit(1) | |
c = json.loads(result.text) | |
item_list += c['items'] | |
first_url = c['paging'].get('first', None) | |
next_url = c['paging'].get('next', None) | |
if first_url == next_url: | |
next_url = None | |
log.info("Found %s items", len(item_list)) | |
bounces = {} | |
for item in item_list: | |
address = item['address'] | |
domain = address.split('@')[1] | |
# Date format: 'Fri, 20 Jan 2017 11:02:07 UTC' | |
date = item['created_at'] | |
date = datetime.datetime.strptime(date, '%a, %d %b %Y %H:%M:%S UTC') | |
date = date.date() | |
# Strip NewLines | |
error = item['error'] | |
error = '_'.join(error.split('\n')) | |
if not domain in bounces: | |
bounces[domain] = {} | |
bounces[domain][address] = "[{}] {}".format(date, error) | |
json.dump(bounces, sys.stdout, indent=4, sort_keys=True) |
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