Modul zum Versenden von Emails

mailing.py

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.base import MIMEBase
from email.mime.text import MIMEText
from email.header import Header
from email.Utils import COMMASPACE, formatdate
from email import Encoders

try:
    import turbomail
    has_turbomail = True
except:
    has_turbomail = False

__all__ = ['send_email', 'send_advanced_mail']

charsets = ['ascii', 'iso-8859-1', 'utf-8']

def send_email(from_addr, to_addr, subject, text, conn_data = {'host': 'localhost'}):
    if has_turbomail:
        msg = turbomail.Message(from_addr, to_addr, subject)
        msg.plain = text
        turbomail.enqueue(msg)
    else:
        from email.MIMEMultipart import MIMEMultipart
        from email.MIMEText import MIMEText
        from email.Utils import formatdate
        # Email Header
        msg = MIMEMultipart()
        msg['From'] = from_addr
        msg['To'] = to_addr
        msg['Date'] = formatdate(localtime=True)
        for charset in charsets:
            try:
                msg['Subject'] = Header(subject, charset)
                break
            except UnicodeEncodeError:
                pass
        # email body (here known as 'text')
        for charset in charsets:
            try:
                text = text.encode(charset)
                msg.attach(MIMEText(text, _charset=charset))
                break
            except UnicodeEncodeError:
                pass
        send_email_smtp(from_addr, to_addr, msg.as_string(), conn_data)

def send_email_smtp(from_addr, to_addr, message, conn_data):
    """Send email via SMTP."""
    smtp = smtplib.SMTP(conn_data['host'])
    if 'user' in conn_data and 'passwd' in conn_data:
        smtp.login(conn_data['user'], conn_data['passwd'])
    # 'message' is the complete and raw email (with headers, body)
    smtp.sendmail(from_addr, to_addr, message)
    smtp.close()

def send_advanced_mail(to, subject, text, sender='nobody@localhost', files=[], server='localhost'):
    assert type(to)==list
    assert type(files)==list

    msg = MIMEMultipart()
    msg['From'] = sender
    msg['To'] = COMMASPACE.join(to)
    msg['Date'] = formatdate(localtime=True)
    msg['Subject'] = subject

    msg.attach( MIMEText(text) )

    for file in files:
        part = MIMEBase('application', 'octet-stream')
        part.set_payload( open(file, 'rb').read() )
        Encoders.encode_base64(part)
        part.add_header('Content-Disposition', 'attachment; filename="%s"' % file)
        msg.attach(part)

    smtp = smtplib.SMTP(server)
    smtp.sendmail(sender, to, msg.as_string() )
    smtp.close()