How to use _is_active_fixture_valid method in Slash

Best Python code snippet using slash

fixture_store.py

Source:fixture_store.py

...273            raise CyclicFixtureDependency(274                'Fixture {!r} is a part of a dependency cycle!'.format(name))275        active_fixture = self.get_active_fixture(fixture)276        if active_fixture is not None:277            if self._is_active_fixture_valid(fixture):278                _logger.trace("Fixture {} did not change", fixture)279                return active_fixture.value280            else:281                _logger.trace("Fixture {} no longer valid. Recomputing", fixture)282                self._deactivate_fixture(active_fixture.fixture)283        self._computing.add(fixture.info.id)284        try:285            fixture_value = self._call_fixture(fixture, relative_name=relative_name)286        except:287            exc_info = sys.exc_info()288            self._deactivate_fixture(fixture)289            reraise(*exc_info)290        finally:291            self._computing.discard(fixture.info.id)292        return fixture_value293    def _is_active_fixture_valid(self, fixture):294        assert fixture.info.id in self._active_fixture_dependencies, "Fixture dependencies not updated"295        new_dependencies = self._compute_fixture_dependencies(fixture)296        return new_dependencies.issubset(self._active_fixture_dependencies[fixture.info.id])297    def _compute_fixture_dependencies(self, fixture):298        param_indices = self._compute_all_needed_parametrization_ids(fixture)299        if not param_indices:300            return frozenset()301        assert ctx.session is not None, "Dependency computation requires an active session"302        variation = ctx.session.variations.get_current_variation()303        assert variation is not None, "Dependency computation requires current variation"304        return frozenset((param_id, variation.param_value_indices[param_id])305                         for param_id in self._compute_all_needed_parametrization_ids(fixture))306    def _call_fixture(self, fixture, relative_name):307        assert relative_name...

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