/usr/share/pyshared/celery/utils/mail.py is in python-celery 2.5.3-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | # -*- coding: utf-8 -*-
"""
celery.utils.mail
~~~~~~~~~~~~~~~~~
How task error emails are formatted and sent.
:copyright: (c) 2009 - 2012 by Ask Solem.
:license: BSD, see LICENSE for more details.
"""
from __future__ import absolute_import
import sys
import smtplib
try:
from email.mime.text import MIMEText
except ImportError:
from email.MIMEText import MIMEText # noqa
from celery.utils import get_symbol_by_name
supports_timeout = sys.version_info >= (2, 6)
class SendmailWarning(UserWarning):
"""Problem happened while sending the email message."""
class Message(object):
def __init__(self, to=None, sender=None, subject=None, body=None,
charset="us-ascii"):
self.to = to
self.sender = sender
self.subject = subject
self.body = body
self.charset = charset
if not isinstance(self.to, (list, tuple)):
self.to = [self.to]
def __repr__(self):
return "<Email: To:%r Subject:%r>" % (self.to, self.subject)
def __str__(self):
msg = MIMEText(self.body, "plain", self.charset)
msg["Subject"] = self.subject
msg["From"] = self.sender
msg["To"] = ", ".join(self.to)
return msg.as_string()
class Mailer(object):
def __init__(self, host="localhost", port=0, user=None, password=None,
timeout=2, use_ssl=False, use_tls=False):
self.host = host
self.port = port
self.user = user
self.password = password
self.timeout = timeout
self.use_ssl = use_ssl
self.use_tls = use_tls
def send(self, message):
if supports_timeout:
self._send(message, timeout=self.timeout)
else:
import socket
old_timeout = socket.getdefaulttimeout()
socket.setdefaulttimeout(self.timeout)
try:
self._send(message)
finally:
socket.setdefaulttimeout(old_timeout)
def _send(self, message, **kwargs):
if (self.use_ssl):
client = smtplib.SMTP_SSL(self.host, self.port, **kwargs)
else:
client = smtplib.SMTP(self.host, self.port, **kwargs)
if self.use_tls:
client.ehlo()
client.starttls()
client.ehlo()
if self.user and self.password:
client.login(self.user, self.password)
client.sendmail(message.sender, message.to, str(message))
client.quit()
class ErrorMail(object):
"""Defines how and when task error e-mails should be sent.
:param task: The task instance that raised the error.
:attr:`subject` and :attr:`body` are format strings which
are passed a context containing the following keys:
* name
Name of the task.
* id
UUID of the task.
* exc
String representation of the exception.
* args
Positional arguments.
* kwargs
Keyword arguments.
* traceback
String representation of the traceback.
* hostname
Worker hostname.
"""
# pep8.py borks on a inline signature separator and
# says "trailing whitespace" ;)
EMAIL_SIGNATURE_SEP = "-- "
#: Format string used to generate error email subjects.
subject = """\
[celery@%(hostname)s] Error: Task %(name)s (%(id)s): %(exc)s
"""
#: Format string used to generate error email content.
body = """
Task %%(name)s with id %%(id)s raised exception:\n%%(exc)r
Task was called with args: %%(args)s kwargs: %%(kwargs)s.
The contents of the full traceback was:
%%(traceback)s
%(EMAIL_SIGNATURE_SEP)s
Just to let you know,
celeryd at %%(hostname)s.
""" % {"EMAIL_SIGNATURE_SEP": EMAIL_SIGNATURE_SEP}
error_whitelist = None
def __init__(self, task, **kwargs):
self.task = task
self.email_subject = kwargs.get("subject", self.subject)
self.email_body = kwargs.get("body", self.body)
self.error_whitelist = getattr(task, "error_whitelist")
def should_send(self, context, exc):
"""Returns true or false depending on if a task error mail
should be sent for this type of error."""
allow_classes = tuple(map(get_symbol_by_name, self.error_whitelist))
return not self.error_whitelist or isinstance(exc, allow_classes)
def format_subject(self, context):
return self.subject.strip() % context
def format_body(self, context):
return self.body.strip() % context
def send(self, context, exc, fail_silently=True):
if self.should_send(context, exc):
self.task.app.mail_admins(self.format_subject(context),
self.format_body(context),
fail_silently=fail_silently)
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