add sendmail.py
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PavelMuhortov
parent
d45f82bc52
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5528ff3e9a
149
sendmail.py
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149
sendmail.py
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#!/usr/bin/env python3
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from email.mime.base import MIMEBase
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from email import encoders
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from os import path
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from smtplib import SMTP
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from socket import error
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class Mail:
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"""
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Sending email from Python
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"""
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def __init__(self, smtp_user: str, smtp_pass: str, mail_dest: str,
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smtp_host: str = 'smtp.gmail.com', smtp_port: str = '587', smtp_stls: bool = True,
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mail_from: str = None, mail_subj: str = 'no subject',
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mail_text: str = 'no text', mail_type: str = 'plain',
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mail_file: str = None):
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"""
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Object constructor
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:param smtp_user: smtp valid user
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:param smtp_pass: smtp valid password
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:param mail_dest: destination addresses
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:param smtp_host: smtp hostname or ip address
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:param smtp_port: smtp port number
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:param smtp_stls: smtp required tls
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:param mail_from: mail from alias
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:param mail_subj: mail subject
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:param mail_text: mail body text
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:param mail_type: mail body type: plain, html
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:param mail_file: mail attachment files
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"""
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self._smtpUser = self._getText(smtp_user)
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self._smtpPass = self._getText(smtp_pass)
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self._mailList = list(filter(None, ''.join(self._getText(mail_dest).split()).split(',')))
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self._smtpHost = self._getText(smtp_host)
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self._smtpPort = self._getText(smtp_port)
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self._smtpStls = smtp_stls
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self._mailSubj = self._getText(mail_subj)
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self._mailText = self._getText(mail_text)
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self._mailType = self._getText(mail_type)
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if mail_from:
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self._mailFrom = self._getText(mail_from)
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else:
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self._mailFrom = self._smtpUser
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if mail_file:
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self._fileList = list(filter(None, ''.join(mail_file.split()).split(',')))
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else:
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self._fileList = None
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self._session = None
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self._mailData = MIMEMultipart()
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self._mailData['From'] = self._mailFrom
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self._mailData['Subject'] = self._mailSubj
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self._mailData.attach(MIMEText(self._mailText, self._mailType))
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if self._fileList:
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for file in self._fileList:
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if path.exists(file):
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attachment = open(file, "rb")
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content = MIMEBase('application', 'octet-stream')
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content.set_payload(attachment.read())
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encoders.encode_base64(content)
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content.add_header("Content-Disposition", f"attachment; filename= {path.basename(file)}")
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self._mailData.attach(content)
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def send(self):
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"""
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Sending the generated email to the destination list
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:return: delivery report string
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"""
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report = ''
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try:
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self._session = SMTP(self._smtpHost, int(self._smtpPort))
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if self._smtpStls:
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self._session.starttls()
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self._session.login(self._smtpUser, self._smtpPass)
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for mailTo in self._mailList:
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del self._mailData['To']
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self._mailData['To'] = mailTo
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self._session.sendmail(self._mailFrom, mailTo, self._mailData.as_string())
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report += '"' + self._mailData['Subject'] + '"' + ' send to ' + self._mailData['To'] + '\n'
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self._session.quit()
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except error as err:
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report += "Socket Error: %s" % err
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finally:
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return report
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@staticmethod
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def _getText(string: str):
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"""
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If text is a file - read text from this file
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:param string: string of text or file path
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:return: string of input text or file content
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"""
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if path.exists(string):
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return open(string).read()
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else:
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return string
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def str2bool(value: str):
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"""
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Converts a string value to boolean
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:param value: string containing "true" or "false", "yes" or "no", "1" or "0"
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:return: bool True or False
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"""
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return str(value).lower() in ("true", "yes", "1")
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if __name__ == "__main__":
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from argparse import ArgumentParser
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args = ArgumentParser(
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prog='Mail',
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description='Sending email from Python',
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epilog='Dependencies: Python 3 (tested version 3.9.5)'
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)
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args.add_argument('-u', '--user', type=str, required=True,
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help='smtp valid user')
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args.add_argument('-p', '--pass', type=str, required=True,
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help='smtp valid password')
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args.add_argument('-d', '--dest', type=str, required=True,
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help='destination addresses')
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args.add_argument('--smtp', type=str, default='smtp.gmail.com', required=False,
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help='smtp hostname or ip address (default: smtp.gmail.com)')
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args.add_argument('--port', type=str, default='587', required=False,
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help='smtp port number (default: 587)')
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args.add_argument('--stls', type=str2bool, default=True, required=False,
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help='smtp required tls (default: True)')
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args.add_argument('--from', type=str, default=None, required=False,
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help='mail from alias (default: <user@smtp>)')
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args.add_argument('--subj', type=str, default='no subject', required=False,
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help='mail subject (default: "no subject")')
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args.add_argument('--text', type=str, default='no text', required=False,
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help='mail body text (default: "no text")')
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args.add_argument('--type', type=str, default='plain', required=False,
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help='mail body type: plain, html (default: plain)')
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args.add_argument('--file', type=str, default=None, required=False,
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help='mail attachment files (default: None)')
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args = vars(args.parse_args())
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print(Mail(smtp_user=args['user'], smtp_pass=args['pass'], mail_dest=args['dest'],
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smtp_host=args['smtp'], smtp_port=args['port'], smtp_stls=args['stls'],
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mail_from=args['from'], mail_subj=args['subj'], mail_text=args['text'],
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mail_type=args['type'], mail_file=args['file']
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).send()
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)
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