Coverage for airflow/utils/email.py : 32%

# -*- coding: utf-8 -*- 

# 

# Licensed under the Apache License, Version 2.0 (the "License"); 

# you may not use this file except in compliance with the License. 

# You may obtain a copy of the License at 

# 

# http://www.apache.org/licenses/LICENSE-2.0 

# 

# Unless required by applicable law or agreed to in writing, software 

# distributed under the License is distributed on an "AS IS" BASIS, 

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

# See the License for the specific language governing permissions and 

# limitations under the License. 

from __future__ import absolute_import 

from __future__ import division 

from __future__ import print_function 

from __future__ import unicode_literals 

from builtins import str 

from past.builtins import basestring 

import importlib 

import logging 

import os 

import smtplib 

from email.mime.text import MIMEText 

from email.mime.multipart import MIMEMultipart 

from email.mime.application import MIMEApplication 

from email.utils import formatdate 

from airflow import configuration 

def send_email(to, subject, html_content, files=None, dryrun=False): 

""" 

Send email using backend specified in EMAIL_BACKEND. 

""" 

path, attr = configuration.get('email', 'EMAIL_BACKEND').rsplit('.', 1) 

module = importlib.import_module(path) 

backend = getattr(module, attr) 

return backend(to, subject, html_content, files=files, dryrun=dryrun) 

def send_email_smtp(to, subject, html_content, files=None, dryrun=False): 

""" 

Send an email with html content 

>>> send_email('test@example.com', 'foo', '<b>Foo</b> bar', ['/dev/null'], dryrun=True) 

""" 

SMTP_MAIL_FROM = configuration.get('smtp', 'SMTP_MAIL_FROM') 

if isinstance(to, basestring): 

if ',' in to: 

to = to.split(',') 

elif ';' in to: 

to = to.split(';') 

else: 

to = [to] 

msg = MIMEMultipart('alternative') 

msg['Subject'] = subject 

msg['From'] = SMTP_MAIL_FROM 

msg['To'] = ", ".join(to) 

msg['Date'] = formatdate(localtime=True) 

mime_text = MIMEText(html_content, 'html') 

msg.attach(mime_text) 

for fname in files or []: 

basename = os.path.basename(fname) 

with open(fname, "rb") as f: 

msg.attach(MIMEApplication( 

f.read(), 

Content_Disposition='attachment; filename="%s"' % basename, 

Name=basename 

)) 

send_MIME_email(SMTP_MAIL_FROM, to, msg, dryrun) 

def send_MIME_email(e_from, e_to, mime_msg, dryrun=False): 

SMTP_HOST = configuration.get('smtp', 'SMTP_HOST') 

SMTP_PORT = configuration.getint('smtp', 'SMTP_PORT') 

SMTP_USER = configuration.get('smtp', 'SMTP_USER') 

SMTP_PASSWORD = configuration.get('smtp', 'SMTP_PASSWORD') 

SMTP_STARTTLS = configuration.getboolean('smtp', 'SMTP_STARTTLS') 

SMTP_SSL = configuration.getboolean('smtp', 'SMTP_SSL') 

if not dryrun: 

s = smtplib.SMTP_SSL(SMTP_HOST, SMTP_PORT) if SMTP_SSL else smtplib.SMTP(SMTP_HOST, SMTP_PORT) 

if SMTP_STARTTLS: 

s.starttls() 

if SMTP_USER and SMTP_PASSWORD: 

s.login(SMTP_USER, SMTP_PASSWORD) 

logging.info("Sent an alert email to " + str(e_to)) 

s.sendmail(e_from, e_to, mime_msg.as_string()) 

s.quit()