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# -*- coding: utf-8 -*-
"""
sphinx.web.mail
~~~~~~~~~~~~~~~
A simple module for sending e-mails, based on simplemail.py.
:copyright: 2004-2007 by Gerold Penz.
2007 by Georg Brandl.
:license: Python license.
"""
import os.path
import sys
import time
import smtplib
import mimetypes
from email import Encoders
from email.Header import Header
from email.MIMEText import MIMEText
from email.MIMEMultipart import MIMEMultipart
from email.Utils import formataddr
from email.Utils import formatdate
from email.Message import Message
from email.MIMEAudio import MIMEAudio
from email.MIMEBase import MIMEBase
from email.MIMEImage import MIMEImage
# Exceptions
#----------------------------------------------------------------------
class SimpleMail_Exception(Exception):
def __str__(self):
return self.__doc__
class NoFromAddress_Exception(SimpleMail_Exception):
pass
class NoToAddress_Exception(SimpleMail_Exception):
pass
class NoSubject_Exception(SimpleMail_Exception):
pass
class AttachmentNotFound_Exception(SimpleMail_Exception):
pass
class Attachments(object):
def __init__(self):
self._attachments = []
def add_filename(self, filename = ''):
self._attachments.append(('file', filename))
def add_string(self, filename, text, mimetype):
self._attachments.append(('string', (filename, text, mimetype)))
def count(self):
return len(self._attachments)
def get_list(self):
return self._attachments
class Recipients(object):
def __init__(self):
self._recipients = []
def add(self, address, caption = ''):
self._recipients.append(formataddr((caption, address)))
def count(self):
return len(self._recipients)
def __repr__(self):
return str(self._recipients)
def get_list(self):
return self._recipients
class CCRecipients(Recipients):
pass
class BCCRecipients(Recipients):
pass
class Email(object):
def __init__(
self,
from_address = "",
from_caption = "",
to_address = "",
to_caption = "",
subject = "",
message = "",
smtp_server = "localhost",
smtp_user = "",
smtp_password = "",
user_agent = "",
reply_to_address = "",
reply_to_caption = "",
use_tls = False,
):
"""
Initialize the email object
from_address = the email address of the sender
from_caption = the caption (name) of the sender
to_address = the email address of the recipient
to_caption = the caption (name) of the recipient
subject = the subject of the email message
message = the body text of the email message
smtp_server = the ip-address or the name of the SMTP-server
smtp_user = (optional) Login name for the SMTP-Server
smtp_password = (optional) Password for the SMTP-Server
user_agent = (optional) program identification
reply_to_address = (optional) Reply-to email address
reply_to_caption = (optional) Reply-to caption (name)
use_tls = (optional) True, if the connection should use TLS
to encrypt.
"""
self.from_address = from_address
self.from_caption = from_caption
self.recipients = Recipients()
self.cc_recipients = CCRecipients()
self.bcc_recipients = BCCRecipients()
if to_address:
self.recipients.add(to_address, to_caption)
self.subject = subject
self.message = message
self.smtp_server = smtp_server
self.smtp_user = smtp_user
self.smtp_password = smtp_password
self.attachments = Attachments()
self.content_subtype = "plain"
self.content_charset = "iso-8859-1"
self.header_charset = "us-ascii"
self.statusdict = None
self.user_agent = user_agent
self.reply_to_address = reply_to_address
self.reply_to_caption = reply_to_caption
self.use_tls = use_tls
def send(self):
"""
Send the mail. Returns True if successfully sent to at least one
recipient.
"""
# validation
if len(self.from_address.strip()) == 0:
raise NoFromAddress_Exception
if self.recipients.count() == 0:
if (
(self.cc_recipients.count() == 0) and
(self.bcc_recipients.count() == 0)
):
raise NoToAddress_Exception
if len(self.subject.strip()) == 0:
raise NoSubject_Exception
# assemble
if self.attachments.count() == 0:
msg = MIMEText(
_text = self.message,
_subtype = self.content_subtype,
_charset = self.content_charset
)
else:
msg = MIMEMultipart()
if self.message:
att = MIMEText(
_text = self.message,
_subtype = self.content_subtype,
_charset = self.content_charset
)
msg.attach(att)
# add headers
from_str = formataddr((self.from_caption, self.from_address))
msg["From"] = from_str
if self.reply_to_address:
reply_to_str = formataddr((self.reply_to_caption, self.reply_to_address))
msg["Reply-To"] = reply_to_str
if self.recipients.count() > 0:
msg["To"] = ", ".join(self.recipients.get_list())
if self.cc_recipients.count() > 0:
msg["Cc"] = ", ".join(self.cc_recipients.get_list())
msg["Date"] = formatdate(time.time())
msg["User-Agent"] = self.user_agent
try:
msg["Subject"] = Header(
self.subject, self.header_charset
)
except(UnicodeDecodeError):
msg["Subject"] = Header(
self.subject, self.content_charset
)
msg.preamble = "You will not see this in a MIME-aware mail reader.\n"
msg.epilogue = ""
# assemble multipart
if self.attachments.count() > 0:
for typ, info in self.attachments.get_list():
if typ == 'file':
filename = info
if not os.path.isfile(filename):
raise AttachmentNotFound_Exception, filename
mimetype, encoding = mimetypes.guess_type(filename)
if mimetype is None or encoding is not None:
mimetype = 'application/octet-stream'
if mimetype.startswith('text/'):
fp = file(filename)
else:
fp = file(filename, 'rb')
text = fp.read()
fp.close()
else:
filename, text, mimetype = info
maintype, subtype = mimetype.split('/', 1)
if maintype == 'text':
# Note: we should handle calculating the charset
att = MIMEText(text, _subtype=subtype)
elif maintype == 'image':
att = MIMEImage(text, _subtype=subtype)
elif maintype == 'audio':
att = MIMEAudio(text, _subtype=subtype)
else:
att = MIMEBase(maintype, subtype)
att.set_payload(text)
# Encode the payload using Base64
Encoders.encode_base64(att)
# Set the filename parameter
att.add_header(
'Content-Disposition',
'attachment',
filename = os.path.basename(filename).strip()
)
msg.attach(att)
# connect to server
smtp = smtplib.SMTP()
if self.smtp_server:
smtp.connect(self.smtp_server)
else:
smtp.connect()
# TLS?
if self.use_tls:
smtp.ehlo()
smtp.starttls()
smtp.ehlo()
# authenticate
if self.smtp_user:
smtp.login(user = self.smtp_user, password = self.smtp_password)
# send
self.statusdict = smtp.sendmail(
from_str,
(
self.recipients.get_list() +
self.cc_recipients.get_list() +
self.bcc_recipients.get_list()
),
msg.as_string()
)
smtp.close()
return True
|
