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"""Functions for sending emails"""
import smtplib
import platform
import pwd
import os
from typing import Union, Literal, overload
from email.utils import formatdate
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
@overload
def send_email(
to_addr: Union[str, list[str]],
subject: str,
body: str,
html: Union[str, None] = None,
sender: Union[str, None] = None,
ssl: bool = False,
server: tuple[str, int] = ('localhost', 0),
login: Union[tuple[str, str], None] = None,
errs: Literal[False] = False,
) -> bool:
...
@overload
def send_email(
to_addr: Union[str, list[str]],
subject: str,
body: str,
html: Union[str, None] = None,
sender: Union[str, None] = None,
ssl: bool = False,
server: tuple[str, int] = ('localhost', 0),
login: Union[tuple[str, str], None] = None,
errs: Literal[True] = True,
) -> None:
...
def send_email(
to_addr: Union[str, list[str]],
subject: str,
body: str,
html: Union[str, None] = None,
sender: Union[str, None] = None,
ssl: bool = False,
server: tuple[str, int] = ('localhost', 0),
login: Union[tuple[str, str], None] = None,
errs: bool = False,
):
"""Sends an email
Args:
to_addr: destination email address(es)
subject: subject line of email to send
body: plaintext body of email
html: HTML version of the email
sender: sender's email address. user@fqdn if unprovided
ssl: whether to use SMTPS
server: (host, port) to connect to
login: (user, pass) to connect as
errs: if True, raise OSError if sending fails. If False, return
a bool for success/fail. Defaults to False.
"""
if sender is None:
sender = f'{pwd.getpwuid(os.getuid()).pw_name}@{platform.node()}'
if isinstance(to_addr, str):
to_addr = [to_addr]
msg = MIMEMultipart('alternative')
msg['Subject'] = subject
msg['From'] = sender
msg['To'] = ", ".join(to_addr)
msg['Date'] = formatdate()
if isinstance(body, str):
msg.attach(MIMEText(body, 'plain', 'UTF-8'))
else:
msg.attach(MIMEText(body, 'plain'))
if html:
if isinstance(html, str):
msg.attach(MIMEText(html, 'html', 'UTF-8'))
else:
msg.attach(MIMEText(html, 'html'))
smtp_class = smtplib.SMTP_SSL if ssl else smtplib.SMTP
try:
smtp_obj = smtp_class(server[0], server[1])
if login:
smtp_obj.login(login[0], login[1])
smtp_obj.sendmail(sender, to_addr, msg.as_string())
except OSError:
if errs:
raise
return False
if errs:
return None
return True
send_email.__module__ = 'rads'