import logging import smtplib import mimetypes from email.mime.multipart import MIMEMultipart from email.mime.image import MIMEImage from email.mime.audio import MIMEAudio from email.mime.base import MIMEBase from email.mime.text import MIMEText from email.utils import formatdate from email import encoders class SmtpMailer(object): """simple smtp mailer class mailer = SmtpMailer(mail_from, user, passwd, mail_server, mail_port, ssl, tls) mailer.send(recipients, subject, body, attachment_files) :param recipients might be a list of string or single string :param attachment_files is a dict of {filename:location} it tries to guess the mimetype and attach the file """ def __init__(self, mail_from, user, passwd, mail_server, mail_port=None, ssl=False, tls=False): self.mail_from = mail_from self.mail_server = mail_server self.mail_port = mail_port self.user = user self.passwd = passwd self.ssl = ssl self.tls = tls self.debug = False def send(self, recipients=[], subject='', body='', attachment_files={}): if isinstance(recipients, basestring): recipients = [recipients] if self.ssl: smtp_serv = smtplib.SMTP_SSL(self.mail_server, self.mail_port) else: smtp_serv = smtplib.SMTP(self.mail_server, self.mail_port) if self.tls: smtp_serv.starttls() if self.debug: smtp_serv.set_debuglevel(1) smtp_serv.ehlo("mailer") #if server requires authorization you must provide login and password smtp_serv.login(self.user, self.passwd) date_ = formatdate(localtime=True) msg = MIMEMultipart() msg['From'] = self.mail_from msg['To'] = ','.join(recipients) msg['Date'] = date_ msg['Subject'] = subject msg.preamble = 'You will not see this in a MIME-aware mail reader.\n' msg.attach(MIMEText(body)) if attachment_files: self.__atach_files(msg, attachment_files) smtp_serv.sendmail(self.mail_from, recipients, msg.as_string()) logging.info('MAIL SEND TO: %s' % recipients) smtp_serv.quit() def __atach_files(self, msg, attachment_files): if isinstance(attachment_files, dict): for f_name, msg_file in attachment_files.items(): ctype, encoding = mimetypes.guess_type(f_name) logging.info("guessing file %s type based on %s" , ctype, f_name) if ctype is None or encoding is not None: # No guess could be made, or the file is encoded (compressed), so # use a generic bag-of-bits type. ctype = 'application/octet-stream' maintype, subtype = ctype.split('/', 1) if maintype == 'text': # Note: we should handle calculating the charset file_part = MIMEText(self.get_content(msg_file), _subtype=subtype) elif maintype == 'image': file_part = MIMEImage(self.get_content(msg_file), _subtype=subtype) elif maintype == 'audio': file_part = MIMEAudio(self.get_content(msg_file), _subtype=subtype) else: file_part = MIMEBase(maintype, subtype) file_part.set_payload(self.get_content(msg_file)) # Encode the payload using Base64 encoders.encode_base64(msg) # Set the filename parameter file_part.add_header('Content-Disposition', 'attachment', filename=f_name) file_part.add_header('Content-Type', ctype, name=f_name) msg.attach(file_part) else: raise Exception('Attachment files should be' 'a dict in format {"filename":"filepath"}') def get_content(self, msg_file): ''' Get content based on type, if content is a string do open first else just read because it's a probably open file object :param msg_file: ''' if isinstance(msg_file, str): return open(msg_file, "rb").read() else: #just for safe seek to 0 msg_file.seek(0) return msg_file.read()