Emailer.py

# coding: utf-8

import smtplib
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
from email.MIMEBase import MIMEBase
from email import encoders
import csv
import time
import datetime
import logging
from retry import retry
import yaml
import os
import itertools
import base64
import inflection
import csv, codecs, cStringIO
from ConfigUtils import *



class Emailer():
    '''
    util class to email stuff to people.
    '''
    def __init__(self, configItems):
        self._config_dir =  configItems['config_dir']
        self._email_config_file = configItems['email_config_file']
        self._emailConfigs = ConfigUtils.setConfigs(self._config_dir, self._email_config_file)
        self._server = None
        self._server_port = None
        self._sender = None
        self._password = None
        self._bcc = None
        self.setConfigs()
        self._recipients = self.getRecipients(self._emailConfigs)

    @staticmethod
    def getRecipients(emailConfigs):
        if 'recipients'in emailConfigs.keys():
            return emailConfigs['recipients']
        return None


    def setConfigs(self):
        self._server = self._emailConfigs['server_addr']
        self._server_port = self._emailConfigs['server_port']
        self._sender =  self._emailConfigs['sender_addr']
        self._bcc = self._emailConfigs['bcc']
        if 'sender_password' in self._emailConfigs.keys():
            self._password = base64.b64decode(self._emailConfigs['sender_password'])


    def sendEmails(self,  subject_line, msgBody, fname_attachment=None, fname_attachment_fullpath=None, recipients=None):
        fromaddr = self._sender
        if(not(recipients)):
            recipients = self._recipients
        toaddr =  recipients
        msg = MIMEMultipart()
        msg['From'] = fromaddr
        msg['To'] = recipients
        msg['Subject'] = subject_line
        msg['Bcc'] = self._bcc
        body = msgBody
        msg.attach(MIMEText(body, 'html'))

        #Optional Email Attachment:
        if(not(fname_attachment is None and fname_attachment_fullpath is None)):
            filename = fname_attachment
            attachment = open(fname_attachment_fullpath, "rb")
            part = MIMEBase('application', 'octet-stream')
            part.set_payload((attachment).read())
            encoders.encode_base64(part)
            part.add_header('Content-Disposition', "attachment; filename= %s" % filename)
            msg.attach(part)

        #normal emails, no attachment
        server = smtplib.SMTP(self._server, self._server_port)
        ##comment these lines out when using the sfgov email server
        #server.starttls()
        #server.login(fromaddr, self._password)
        ######
        text = msg.as_string()
        server.sendmail(fromaddr, toaddr, text)
        server.quit()



if __name__ == "__main__":
    main()