expephalon-demomodule/core/modules/mail.py

from core.classes.mail import SMTPMailProvider

import importlib
import pathlib
import os.path
import logging

from django.conf import settings

providers = { "smtp": SMTPMailProvider }
templates = {}

logger = logging.getLogger(__name__)

for module in settings.EXPEPHALON_MODULES + [""]:
    for template in pathlib.Path(os.path.join(settings.BASE_DIR, module, "templates/mail/")).rglob("*.*"):
        if os.path.isfile(template):
            template_name = str(template).rsplit("templates/mail/")[-1].rsplit(".")[0]
            template_format = str(template).rsplit(".")[-1].lower()
            if not template_name in templates.keys():
                templates[template_name] = dict()
            if template_format in templates[template_name].keys():
                logger.warning("Mail Template %s, that was seen at %s, was also found at %s. Using latter.",
                    template_name, templates[template_name][template_format], str(template))
            templates[template_name][template_format] = str(template)

for module in settings.EXPEPHALON_MODULES:
    try:
        mom = importlib.import_module(f"{module}.mail")
        for name, provider in mom.MAILPROVIDERS.items():
            providers[name] = provider
    except (AttributeError, ModuleNotFoundError):
        continue