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* Bump black from 22.8.0 to 24.3.0 in /python/web Bumps [black](https://github.com/psf/black) from 22.8.0 to 24.3.0. - [Release notes](https://github.com/psf/black/releases) - [Changelog](https://github.com/psf/black/blob/main/CHANGES.md) - [Commits](https://github.com/psf/black/compare/22.8.0...24.3.0) --- updated-dependencies: - dependency-name: black dependency-type: direct:development ... Signed-off-by: dependabot[bot] <support@github.com> * Github CI: Backend web test runner use python 3.9.19 * Reformat python sources with black * Docker: Bump to python 3.9-slim image for pytest * Bump pytest version to 8.1.1 * Bump more library versions, and freeze them --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Daniel Markstedt <daniel@mindani.net>
24 lines
713 B
Python
24 lines
713 B
Python
"""Module for Observable part of the Observer pattern functionality"""
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from typing import List
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from observer import Observer
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class Observable:
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"""Class implementing the Observable pattern"""
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_observers: List[Observer] = []
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def attach(self, observer: Observer):
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"""Attaches an observer to an obserable object"""
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self._observers.append(observer)
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def detach(self, observer: Observer):
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"""detaches an observer from an observable object"""
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self._observers.remove(observer)
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def notify(self, updated_object):
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"""Notifies all observers with a given object parameter"""
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for observer in self._observers:
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observer.update(updated_object)
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