# What this PR does - Adds [`mypy` static type checking](https://mypy-lang.org/) to our CI pipeline. Currently there is still a **ton** of errors being returned by the tool, as we'll need to fix pre-existing errors. I think we can slowly chip away at these errors in small PRs, doing them all in one large PR is likely very risky. - Also, this PR starts chipping away at one of the main type errors that we have which is accessing the `datetime` class (from the `datetime` library) or `timedelta` function on the `django.utils.timezone` module. Basically we should be instead accessing these two objects from the native `datetime` module. This makes sense because the [`__all__` attribute](https://github.com/django/django/blob/main/django/utils/timezone.py#L14-L30) in `django.utils.timezone` does not re-export `datetime` or `timedelta`. - splits `engine` dependencies out into `requirements.txt` and `requirements-dev.txt` ## Checklist - [ ] Unit, integration, and e2e (if applicable) tests updated (N/A) - [ ] Documentation added (or `pr:no public docs` PR label added if not required) (N/A) - [ ] `CHANGELOG.md` updated (or `pr:no changelog` PR label added if not required) (N/A)
87 lines
2.8 KiB
Python
87 lines
2.8 KiB
Python
from django.conf import settings
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from django.utils.module_loading import import_string
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class BaseMessagingBackend:
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backend_id = "SOMEID"
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label = "The Backend"
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short_label = "Backend"
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available_for_use = False
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templater = None
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template_fields = ("title", "message", "image_url")
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def __init__(self, *args, **kwargs):
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self.notification_channel_id = kwargs.get("notification_channel_id")
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def get_templater_class(self):
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if self.templater:
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return import_string(self.templater)
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def validate_channel_filter_data(self, organization, data):
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"""Validate JSON channel data for a channel filter update.
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Ensure the required/expected data is provided as needed by the backend.
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"""
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return data
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def generate_channel_verification_code(self, organization):
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"""Return a verification code for a channel registration."""
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raise NotImplementedError("generate_channel_verification_code method missing implementation")
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def generate_user_verification_code(self, user):
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"""Return a verification code to link a user with an account."""
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raise NotImplementedError("generate_user_verification_code method missing implementation")
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def unlink_user(self, user):
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"""Remove backend link to user account."""
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return
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@staticmethod
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def is_enabled_for_organization(organization):
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return True
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def serialize_user(self, user):
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"""Return a serialized backend user representation."""
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raise NotImplementedError("serialize_user method missing implementation")
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def notify_user(self, user, alert_group, notification_policy):
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"""Send user a notification for the given alert group.
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The notification policy links to the backend as the notification channel.
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"""
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raise NotImplementedError("notify_user method missing implementation")
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@property
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def slug(self):
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return self.backend_id.lower()
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@property
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def customizable_templates(self):
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"""
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customizable_templates indicates if templates for messaging backend can be changes by user
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"""
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return True
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def load_backend(path, *args, **kwargs):
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return import_string(path)(*args, **kwargs)
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def get_messaging_backends():
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global _messaging_backends
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if _messaging_backends is None:
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_messaging_backends = {}
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for backend_path, notification_channel_id in settings.EXTRA_MESSAGING_BACKENDS:
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backend = load_backend(backend_path, notification_channel_id=notification_channel_id)
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_messaging_backends[backend.backend_id] = backend
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return _messaging_backends.items()
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def get_messaging_backend_from_id(backend_id):
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return _messaging_backends.get(backend_id)
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_messaging_backends = None
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