100 lines
3.6 KiB
Python
100 lines
3.6 KiB
Python
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"""Envío de correo SMTP."""
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import os
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import smtplib
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from email.message import EmailMessage
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from pathlib import Path
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from dotenv import load_dotenv
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# comercio-net/.env o .env en la raíz del repo
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# _BASE = Path(__file__).resolve().parent
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# load_dotenv(_BASE / ".env")
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# load_dotenv(_BASE.parent / ".env")
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# ============================================================================
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load_dotenv(dotenv_path=".env")
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# ============================================================================
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def _mail_config() -> dict:
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host = os.getenv("MAIL_HOST", "")
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port = int(os.getenv("MAIL_PORT", "587"))
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username = os.getenv("MAIL_USERNAME", "")
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# App passwords de Gmail suelen pegarse con espacios
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password = (os.getenv("MAIL_PASSWORD", "") or "").replace(" ", "")
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mail_from = os.getenv("MAIL_FROM", username)
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mail_to = os.getenv("MAIL_TO", "")
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if not all([host, username, password, mail_from, mail_to]):
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raise ValueError(
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"Faltan variables MAIL_* en .env "
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"(MAIL_HOST, MAIL_USERNAME, MAIL_PASSWORD, MAIL_FROM, MAIL_TO)"
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)
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return {
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"host": host,
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"port": port,
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"username": username,
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"password": password,
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"mail_from": mail_from,
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"mail_to": mail_to,
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}
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# ============================================================================
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def _smtp_send(msg: EmailMessage) -> None:
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cfg = _mail_config()
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with smtplib.SMTP(cfg["host"], cfg["port"], timeout=30) as smtp:
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smtp.ehlo()
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smtp.starttls()
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smtp.ehlo()
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smtp.login(cfg["username"], cfg["password"])
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smtp.send_message(msg)
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# ============================================================================
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def send_mail(subject: str | None = None, text: str | None = None) -> None:
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"""Envía un correo de texto plano usando variables MAIL_* del .env."""
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cfg = _mail_config()
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subject = subject if subject is not None else os.getenv("MAIL_SUBJECT", "Test Email")
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text = text if text is not None else os.getenv("MAIL_TEXT", "This is a test email")
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msg = EmailMessage()
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msg["Subject"] = subject
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msg["From"] = cfg["mail_from"]
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msg["To"] = cfg["mail_to"]
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msg.set_content(text)
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_smtp_send(msg)
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print(f"OK: correo enviado a {cfg['mail_to']} | subject={subject!r}")
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# ============================================================================
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def send_validation_email(html_path: Path | str, subject: str | None = None) -> None:
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"""Envía el HTML de validación a MAIL_TO (cuerpo HTML + adjunto)."""
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cfg = _mail_config()
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path = Path(html_path)
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if not path.is_file():
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raise FileNotFoundError(f"No existe el HTML de validación: {path}")
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html = path.read_text(encoding="utf-8")
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if subject is None:
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subject = f"Validación OC — diferencias de precio/catálogo ({path.stem})"
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msg = EmailMessage()
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msg["Subject"] = subject
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msg["From"] = cfg["mail_from"]
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msg["To"] = cfg["mail_to"]
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msg.set_content(
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"Se detectaron diferencias de catálogo o precio en la OC. "
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"Ver el contenido HTML de este correo. "
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)
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msg.add_alternative(html, subtype="html")
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#msg.add_attachment(
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# html.encode("utf-8"),
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# maintype="text",
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# subtype="html",
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# filename=path.name,
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#)
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_smtp_send(msg)
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print(f"OK: correo de validación enviado a {cfg['mail_to']} | subject={subject!r}")
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# ============================================================================
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if __name__ == "__main__":
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send_mail()
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