48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
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#!/usr/bin/env python3
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from email import encoders
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from email.mime.base import MIMEBase
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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import smtplib
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class FastMailSMTP(smtplib.SMTP_SSL):
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"""A wrapper for handling SMTP connections to FastMail."""
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def __init__(self, username, password):
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super().__init__("mail.messagingengine.com", port=465)
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self._username = username
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self._password = password
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self._has_logged_in = False
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def login(self):
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if not self._has_logged_in:
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super().login(self._username, self._password)
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self._has_logged_in = True
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def send_message(self, *, from_addr, to_addrs, msg, subject, attachments=None):
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self.login()
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msg_root = MIMEMultipart()
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msg_root["Subject"] = subject
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msg_root["From"] = from_addr
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msg_root["To"] = ", ".join(to_addrs)
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msg_alternative = MIMEMultipart("alternative")
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msg_root.attach(msg_alternative)
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msg_alternative.attach(MIMEText(msg, "html"))
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if attachments:
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for attachment in attachments:
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prt = MIMEBase("application", "octet-stream")
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prt.set_payload(open(attachment, "rb").read())
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encoders.encode_base64(prt)
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prt.add_header(
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"Content-Disposition",
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'attachment; filename="%s"' % attachment.replace('"', ""),
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)
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msg_root.attach(prt)
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self.sendmail(from_addr, to_addrs, msg_root.as_string())
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