例のコードは、マルチボディ（無地/ HTML /添付ファイル）を使用して、SES生の電子メールを送信します：
from email.mime.text import MIMEText
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from google.appengine.api import urlfetch
from google.appengine.runtime import DeadlineExceededError
import urllib
import hmac
import base64
import hashlib
from datetime import datetime
import logging
def ses_multi_part(msg_subject, msg_to, msg_body='', msg_cc=None, msg_bcc=None, file_name=None, file_reader=None,
msg_type='plain', msg_from='[email protected]', msg_reply_to='[email protected]'):
""" send an html or plain e-mail. Use file_name and file_reader to pass an attachment
inspiration: https://codeadict.wordpress.com/2010/02/11/send-e-mails-with-attachment-in-python/
"""
msg = MIMEMultipart()
msg.set_charset("utf-8")
msg['Subject'] = msg_subject
msg['From'] = msg_from
msg['Reply-to'] = msg_reply_to
msg['To'] = msg_to
if msg_cc:
msg['Cc'] = msg_cc
if msg_bcc:
msg['Bcc'] = msg_bcc
logging.debug(msg)
msg.preamble = 'Multipart massage.\n'
part = MIMEText(msg_body, msg_type, "utf-8")
msg.attach(part)
if file_name:
part = MIMEApplication(file_reader.read())
part.add_header('Content-Disposition', 'attachment', filename=file_name)
msg.attach(part)
return msg.as_string()
class SES(object):
""" SES send RAW e-mail
inspiration: https://github.com/richieforeman/python-amazon-ses-api/blob/master/amazon_ses.py
"""
def __init__(self, accessKeyID, secretAccessKey, return_path='[email protected]'):
self._accessKeyID = accessKeyID
self._secretAccessKey = secretAccessKey
self.ses_return_path = return_path
def _getSignature(self, dateValue):
h = hmac.new(key=self._secretAccessKey, msg=dateValue, digestmod=hashlib.sha256)
return base64.b64encode(h.digest()).decode()
def _getHeaders(self):
headers = {'Content-type': 'application/x-www-form-urlencoded', 'Return-Path': self.ses_return_path}
d = datetime.utcnow()
dateValue = d.strftime('%a, %d %b %Y %H:%M:%S GMT')
headers['Date'] = dateValue
signature = self._getSignature(dateValue)
headers['X-Amzn-Authorization'] = 'AWS3-HTTPS AWSAccessKeyId=%s, Algorithm=HMACSHA256, Signature=%s' % (self._accessKeyID, signature)
return headers
def _performAction(self, actionName, params=None):
if not params:
params = {}
params['Action'] = actionName
response = None
#https://email.us-east-1.amazonaws.com/
retry = 0 # download error retry
while retry <= 1: # dan een eenmalige retry
try:
url = 'https://email.us-east-1.amazonaws.com'
response = urlfetch.fetch(url=url, payload=urllib.urlencode(params), method=urlfetch.POST, headers=self._getHeaders())
break
except (urlfetch.DownloadError, DeadlineExceededError), e:
logging.debug('Amazon SES download or deadline error : %d' % (retry + 1))
if retry == 0:
retry += 1
continue # retry
else:
logging.warning('fetcherror' + str(e))
raise # bij een dubbele fout stoppen
if response.status_code != 200:
logging.warning(response.headers)
logging.warning(response.content)
raise ValueError('status_code : %s' % (str(response.status_code)))
logging.debug(response.content)
return response.content
def sendRawEmail(self, raw_msg_data):
return self._performAction("SendRawEmail", params={"RawMessage.Data": base64.b64encode(raw_msg_data)})
使用例：
ses = SES(settings.AMAZON_ACCESS_KEY_ID, settings.AMAZON_SECRET_ACCESS_KEY, settings.SES_RETURN_PATH[country])
raw_msg_data = ses_multi_part(msg_subject=subject.encode('utf-8'), msg_to=mail_to, msg_body=body_text.encode('utf-8'),
msg_bcc=settings.MAIL_BCC, msg_reply_to=reply_to, msg_from=sender, msg_type=msg_type)
ses.sendRawEmail(raw_msg_data)
興味深いものを見つけましたか、python/botoで添付ファイルを送信しようとしています。 –