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be081c68f2
smtp_send: conecta+envia+cierra en un paso via smtplib (TLS/STARTTLS/plain). email_build_html: construye EmailMessagePy frozen dataclass con cuerpo HTML. Solo stdlib Python: smtplib, email.mime. Tests con mock SMTP server threading. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
"""Construccion de EmailMessage Python con cuerpo HTML — funcion pura."""
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from dataclasses import dataclass, field
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@dataclass(frozen=True)
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class EmailMessagePy:
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"""Mensaje de email inmutable listo para enviar.
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Construir con email_build_html() o email_build_text().
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"""
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from_addr: str
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to: tuple[str, ...]
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subject: str
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body_html: str = ""
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body_text: str = ""
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cc: tuple[str, ...] = field(default_factory=tuple)
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bcc: tuple[str, ...] = field(default_factory=tuple)
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headers: tuple[tuple[str, str], ...] = field(default_factory=tuple)
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def email_build_html(
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from_addr: str,
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to: list[str],
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subject: str,
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body_html: str,
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) -> EmailMessagePy:
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"""Construye un EmailMessagePy con cuerpo HTML.
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Funcion pura — no tiene efectos secundarios. El slice `to` se convierte a
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tupla para garantizar inmutabilidad.
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Args:
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from_addr: Direccion del remitente.
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to: Lista de destinatarios principales.
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subject: Asunto del correo.
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body_html: Contenido HTML del cuerpo del mensaje.
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Returns:
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EmailMessagePy inmutable con cuerpo HTML. body_text queda vacio.
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"""
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return EmailMessagePy(
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from_addr=from_addr,
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to=tuple(to),
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subject=subject,
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body_html=body_html,
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body_text="",
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)
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