log = logging.getLogger()
log.setLevel(logging.DEBUG)
debug_format = logging.Formatter("%(levelname)s at %(asctime)s in %(filename)s (line %(lineno)d):: %(message)s")

# write errors to email
error_mail_subject = "ERROR: Script error in %s on %s" % (sys.argv[0], os.uname()[1])
error_mail_handler = logging.handlers.SMTPHandler(SMTP_HOST, 'errors@'+os.uname()[1], [LOG_EMAIL], error_mail_subject)
error_mail_handler.setLevel(logging.ERROR)
#error_mail_handler.setLevel(logging.DEBUG)
error_mail_handler.setFormatter(debug_format)

# buffer debug messages so they can be sent with error emails
memory_handler = logging.handlers.MemoryHandler(1024*10, logging.ERROR, error_mail_handler)
memory_handler.setLevel(logging.DEBUG)

# attach handlers
log.addHandler(memory_handler)
log.addHandler(error_mail_handler)

import logging

from django.conf import settings
from django.core.mail import EmailMessage


class DjangoBufferingSMTPHandler(logging.handlers.BufferingHandler):
    def __init__(self, capacity, toaddrs=None, subject=None):
        logging.handlers.BufferingHandler.__init__(self, capacity)

        if toaddrs:
            self.toaddrs = toaddrs
        else:
            # Send messages to site administrators by default
            self.toaddrs = zip(*settings.ADMINS)[-1]

        if subject:
            self.subject = subject
        else:
            self.subject = 'logging'

    def flush(self):
        if len(self.buffer) == 0:
            return

        try:
            msg = "rn".join(map(self.format, self.buffer))
            emsg = EmailMessage(self.subject, msg, to=self.toaddrs)
            emsg.send()
        except Exception:
            # handleError() will print exception info to stderr if logging.raiseExceptions is True
            self.handleError(record=None)
        self.buffer = []

EMAIL_USE_TLS = True
EMAIL_PORT = 25
EMAIL_HOST = ''  # example: 'smtp.yandex.ru'
EMAIL_HOST_USER = ''  # example: 'user@yandex.ru'
EMAIL_HOST_PASSWORD = ''
DEFAULT_FROM_EMAIL = EMAIL_HOST_USER
SERVER_EMAIL = EMAIL_HOST_USER

LOGGING = {
    'handlers': {
        ...
        'mail_buffer': {
            'level': 'WARN',
            'capacity': 9999,
            'class': 'utils.logging.DjangoBufferingSMTPHandler',
            # optional:
            # 'toaddrs': 'admin@host.com'
            # 'subject': 'log messages'
        }
    },
    ...
}

# init
log_handler1 = BufferingSMTPHandler(
    'smtp.host.lala', "from@test.com", ['to@test.com'], 'Log event(s)',5000)
...
logger.addHandler(log_handler1)
...

# main code
...
if internet_connection_ok and seconds_since_last_flush>60:
    log_handler1.flush() # send buffered log records (if any)

import logging
import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
import os
from email import encoders
import uuid
# atexit allows for a method to be set to handle an object when the script             exits
import atexit
filename = uuid.uuid4().hex
class MailLogger:

def __init__(self, filePath, smtpDict):
    self.filePath = filePath
    self.smtpDict = smtpDict
    # Generate random file name
    filename = '%s.txt' % ( uuid.uuid4().hex )
    # Create full filename
    filename = '%s/%s' % (filePath,filename)
    self.filename = filename
    self.fileLogger = logging.getLogger('mailedLog')
    self.fileLogger.setLevel(logging.INFO)
    self.fileHandler = logging.FileHandler(filename)
    self.fileHandler.setLevel(logging.INFO)
    formatter = logging.Formatter('%(name)s - %(levelname)s - %(message)s')
    self.fileHandler.setFormatter(formatter)
    self.fileLogger.addHandler(self.fileHandler)
    atexit.register(self.mailOut)

def mailOut(self):
    '''
    Script is exiting so time to mail out the log file

    "emailSettings":    {
                        "smtpServer"    :     "smtp.dom.com",
                        "smtpPort"        :    25,
                        "sender"        :    "sender@dom.com>",
                        "recipients"    :    [
                                                "recipient@dom.com"
                                            ],
                        "subject"        :    "Email Subject"
},
    '''
    # Close the file handler
    smtpDict = self.smtpDict
    self.fileHandler.close()
    msg = MIMEMultipart('alternative')
    s = smtplib.SMTP(smtpDict["smtpServer"], smtpDict["smtpPort"] )
    msg['Subject'] = smtpDict["subject"]
    msg['From'] = smtpDict["sender"]
    msg['To'] = ','.join(smtpDict["recipients"])
    body = 'See attached report file'
    content = MIMEText(body, 'plain')
    msg.attach(content)
    attachment = MIMEBase('application', 'octet-stream')
    attachment.set_payload(open(self.filename, 'rb').read())
    encoders.encode_base64(attachment)
    attachment.add_header('Content-Disposition', 'attachment; filename="%s"' % os.path.basename(self.filename))
    msg.attach(attachment)
    s.send_message(msg)
    s.quit()

from EmailLogRpt import MailLogger
import time
smtpDict = {
                        "smtpServer"    :     "smtp.dom.com",
                        "smtpPort"        :    25,
                        "sender"        :    "sender@dom.com",
                        "recipients"    :    [
                                                "recpient@dom.com>"
                                            ],
                        "subject"        :    "Email Subject"
}
myMailLogger = MailLogger("/home/ed/tmp",smtpDict).fileLogger
myMailLogger.info("test msg 1")
time.sleep(5)
myMailLogger.info("test msg 2")