schiederme/send_email.py

## send_email.py
# see also: http://code.activestate.com/recipes/578150-sending-non-ascii-emails-from-python-3/

import os
import smtplib

from email.utils import formataddr
from email.utils import formatdate
from email.utils import COMMASPACE

from email.header import Header
from email import encoders

from email.mime.multipart import MIMEMultipart
from email.mime.base import MIMEBase
from email.mime.text import MIMEText
from email.mime.image import MIMEImage

import Jinja2

sender_name, sender_email = "CI", "ci@mycompany.com"
recipient_addr = ['somebody@mycompany.comm']
j =  jinja2.Environment()
ctx = {"project_name": "user/project1", "build_id": 121}
html = j.from_string("<html><p>Build passed: {{ project_name }} <img src='cid:icon.png'> ...").render(**ctx)
text = j.from_string("Build passed: {{ project_name }} ...").render(**ctx)
subject = j.from_string("Passed: {{ project_name }}#{{ build_id }}").render(**ctx)
attachments = ['icon.png']

sender_name = Header(mail_from, 'utf-8').encode()

msg_root = MIMEMultipart('mixed')
msg_root['Date'] = formatdate(localtime=1)
msg_root['From'] = formataddr((sender_name, sender_addr))
msg_root['To'] = COMMASPACE.join(recipient_addr)
msg_root['Subject'] = Header(subject, 'utf-8')
msg_root.preamble = 'This is a multi-part message in MIME format.'

msg_related = MIMEMultipart('related')
msg_root.attach(msg_related)

msg_alternative = MIMEMultipart('alternative')
msg_related.attach(msg_alternative)

msg_text = MIMEText(text.encode('utf-8'), 'plain', 'utf-8')
msg_alternative.attach(msg_text)

msg_html = MIMEText(html.encode('utf-8'), 'html', 'utf-8')
msg_alternative.attach(msg_html)

for i, img in enumerate(img_list):
    with open(img, 'rb') as fp:
        msg_image = MIMEImage(fp.read())
        msg_image.add_header('Content-ID', '<image{}>'.format(i))
        msg_related.attach(msg_image)

for attachment in attachments:
    fname = os.path.basename(attachment)

    with open(attachment, 'rb') as f:
        msg_attach = MIMEBase('application', 'octet-stream')
        msg_attach.set_payload(f.read())
        encoders.encode_base64(msg_attach)
        msg_attach.add_header('Content-Disposition', 'attachment',
                              filename=(Header(fname, 'utf-8').encode()))
        msg_attach.add_header('Content-ID', '<%s>' % (Header(fname, 'utf-8').encode()))
        msg_root.attach(msg_attach)

mail_server = smtplib.SMTP(smtp, port)
mail_server.ehlo()

try:
    mail_server.starttls()
    mail_server.ehlo()
except smtplib.SMTPException as e:
    # message is not sent, retry later
    print(e)

mail_server.login(login, password)
mail_server.send_message(msg_root)
mail_server.quit()
	# see also: http://code.activestate.com/recipes/578150-sending-non-ascii-emails-from-python-3/

	import os
	import smtplib

	from email.utils import formataddr
	from email.utils import formatdate
	from email.utils import COMMASPACE

	from email.header import Header
	from email import encoders

	from email.mime.multipart import MIMEMultipart
	from email.mime.base import MIMEBase
	from email.mime.text import MIMEText
	from email.mime.image import MIMEImage

	import Jinja2

	sender_name, sender_email = "CI", "ci@mycompany.com"
	recipient_addr = ['somebody@mycompany.comm']
	j = jinja2.Environment()
	ctx = {"project_name": "user/project1", "build_id": 121}
	html = j.from_string("<html><p>Build passed: {{ project_name }} <img src='cid:icon.png'> ...").render(**ctx)
	text = j.from_string("Build passed: {{ project_name }} ...").render(**ctx)
	subject = j.from_string("Passed: {{ project_name }}#{{ build_id }}").render(**ctx)
	attachments = ['icon.png']

	sender_name = Header(mail_from, 'utf-8').encode()

	msg_root = MIMEMultipart('mixed')
	msg_root['Date'] = formatdate(localtime=1)
	msg_root['From'] = formataddr((sender_name, sender_addr))
	msg_root['To'] = COMMASPACE.join(recipient_addr)
	msg_root['Subject'] = Header(subject, 'utf-8')
	msg_root.preamble = 'This is a multi-part message in MIME format.'

	msg_related = MIMEMultipart('related')
	msg_root.attach(msg_related)

	msg_alternative = MIMEMultipart('alternative')
	msg_related.attach(msg_alternative)

	msg_text = MIMEText(text.encode('utf-8'), 'plain', 'utf-8')
	msg_alternative.attach(msg_text)

	msg_html = MIMEText(html.encode('utf-8'), 'html', 'utf-8')
	msg_alternative.attach(msg_html)

	for i, img in enumerate(img_list):
	with open(img, 'rb') as fp:
	msg_image = MIMEImage(fp.read())
	msg_image.add_header('Content-ID', '<image{}>'.format(i))
	msg_related.attach(msg_image)

	for attachment in attachments:
	fname = os.path.basename(attachment)

	with open(attachment, 'rb') as f:
	msg_attach = MIMEBase('application', 'octet-stream')
	msg_attach.set_payload(f.read())
	encoders.encode_base64(msg_attach)
	msg_attach.add_header('Content-Disposition', 'attachment',
	filename=(Header(fname, 'utf-8').encode()))
	msg_attach.add_header('Content-ID', '<%s>' % (Header(fname, 'utf-8').encode()))
	msg_root.attach(msg_attach)

	mail_server = smtplib.SMTP(smtp, port)
	mail_server.ehlo()

	try:
	mail_server.starttls()
	mail_server.ehlo()
	except smtplib.SMTPException as e:
	# message is not sent, retry later
	print(e)

	mail_server.login(login, password)
	mail_server.send_message(msg_root)
	mail_server.quit()