Я пытаюсь использовать AWS Lambda для массовой отправки электронной почты, код, который мы используем в качестве ссылки ниже:
https://aws.amazon.com/cn/premiumsupport/knowledge-center/mass-email-ses-lambda/
from __future__ import print_function
import StringIO
import csv
import json
import os
import urllib
import zlib
from time import strftime, gmtime
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import boto3
import botocore
import concurrent.futures
__author__ = 'Said Ali Samed'
__date__ = '10/04/2016'
__version__ = '1.0'
# Get Lambda environment variables
region = os.environ['us-east-1']
max_threads = os.environ['10']
text_message_file = os.environ['email_body.txt']
html_message_file = os.environ['email_body.html']
# Initialize clients
s3 = boto3.client('s3', region_name=region)
ses = boto3.client('ses', region_name=region)
send_errors = []
mime_message_text = ''
mime_message_html = ''
def current_time():
return strftime("%Y-%m-%d %H:%M:%S UTC", gmtime())
def mime_email(subject, from_address, to_address, text_message=None, html_message=None):
msg = MIMEMultipart('alternative')
msg['Subject'] = subject
msg['From'] = from_address
msg['To'] = to_address
if text_message:
msg.attach(MIMEText(text_message, 'plain'))
if html_message:
msg.attach(MIMEText(html_message, 'html'))
return msg.as_string()
def send_mail(from_address, to_address, message):
global send_errors
try:
response = ses.send_raw_email(
Source=from_address,
Destinations=[
to_address,
],
RawMessage={
'Data': message
}
)
if not isinstance(response, dict): # log failed requests only
send_errors.append('%s, %s, %s' % (current_time(), to_address, response))
except botocore.exceptions.ClientError as e:
send_errors.append('%s, %s, %s, %s' %
(current_time(),
to_address,
', '.join("%s=%r" % (k, v) for (k, v) in e.response['ResponseMetadata'].iteritems()),
e.message))
def lambda_handler(event, context):
global send_errors
global mime_message_text
global mime_message_html
try:
# Read the uploaded csv file from the bucket into python dictionary list
bucket = event['Records'][0]['s3']['bucket']['name']
key = urllib.unquote_plus(event['Records'][0]['s3']['object']['key']).decode('utf8')
response = s3.get_object(Bucket=bucket, Key=key)
body = zlib.decompress(response['Body'].read(), 16+zlib.MAX_WBITS)
reader = csv.DictReader(StringIO.StringIO(body),
fieldnames=['from_address', 'to_address', 'subject', 'message'])
# Read the message files
try:
response = s3.get_object(Bucket=bucket, Key=text_message_file)
mime_message_text = response['Body'].read()
except:
mime_message_text = None
print('Failed to read text message file. Did you upload %s?' % text_message_file)
try:
response = s3.get_object(Bucket=bucket, Key=html_message_file)
mime_message_html = response['Body'].read()
except:
mime_message_html = None
print('Failed to read html message file. Did you upload %s?' % html_message_file)
if not mime_message_text and not mime_message_html:
raise ValueError('Cannot continue without a text or html message file.')
# Send in parallel using several threads
e = concurrent.futures.ThreadPoolExecutor(max_workers=max_threads)
for row in reader:
from_address = row['from_address'].strip()
to_address = row['to_address'].strip()
subject = row['subject'].strip()
message = mime_email(subject, from_address, to_address, mime_message_text, mime_message_html)
e.submit(send_mail, from_address, to_address, message)
e.shutdown()
except Exception as e:
print(e.message + ' Aborting...')
raise e
print('Send email complete.')
# Remove the uploaded csv file
try:
response = s3.delete_object(Bucket=bucket, Key=key)
if 'ResponseMetadata' in response.keys() and response['ResponseMetadata']['HTTPStatusCode'] == 204:
print('Removed s3://%s/%s' % (bucket, key))
except Exception as e:
print(e)
# Upload errors if any to S3
if len(send_errors) > 0:
try:
result_data = '\n'.join(send_errors)
logfile_key = key.replace('.csv.gz', '') + '_error.log'
response = s3.put_object(Bucket=bucket, Key=logfile_key, Body=result_data)
if 'ResponseMetadata' in response.keys() and response['ResponseMetadata']['HTTPStatusCode'] == 200:
print('Send email errors saved in s3://%s/%s' % (bucket, logfile_key))
except Exception as e:
print(e)
raise e
# Reset publish error log
send_errors = []
if __name__ == "__main__":
json_content = json.loads(open('event.json', 'r').read())
lambda_handler(json_content, None)
но у меня проблема при выборе Python 2.7.Ошибка
module initialization error 'us-east-1'
когда я выбираю Python 3.6, ошибка
Unable to import module 'lambda_function': No module named 'StringIO'
Кто-нибудь может сказать мне, в чем проблема?