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Merge branch 'release/4.34.2' into master

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Roman Mogylatov 2021-07-24 16:35:10 -04:00
commit 98a4b06a12
6 changed files with 3371 additions and 3302 deletions
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6
docs/main/changelog.rst
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@ -7,6 +7,12 @@ that were made in every particular version.
From version 0.7.6 *Dependency Injector* framework strictly
follows `Semantic versioning`_
4.34.2
------
- Fix a bug with reverse shutdown order in ``container.shutdown_resources()``.
See issue `#432 <https://github.com/ets-labs/python-dependency-injector/issues/432>`_.
Thanks to `Saulius Beinorius <https://github.com/saulbein>`_ for bringing up the issue.
4.34.1
------
- Update ``container.shutdown_resources()`` to respect dependencies order while shutdown.

2
src/dependency_injector/__init__.py
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@ -1,6 +1,6 @@
"""Top-level package."""
__version__ = '4.34.1'
__version__ = '4.34.2'
"""Version number.
:type: str

6614
src/dependency_injector/containers.c
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33
src/dependency_injector/containers.pyx
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@ -290,24 +290,19 @@ class DynamicContainer(Container):
def shutdown_resources(self):
"""Shutdown all container resources."""
def _no_initialized_dependencies(resource):
for related in resource.related:
if isinstance(related, providers.Resource) and related.initialized:
return False
return True
def _without_initialized_dependencies(resources):
return list(filter(_no_initialized_dependencies, resources))
def _any_initialized(resources):
return any(resource.initialized for resource in resources)
def _any_in_async_mode(resources):
return any(resource.is_async_mode_enabled() for resource in resources)
def _independent_resources(resources):
for resource in resources:
for other_resource in resources:
if not other_resource.initialized:
continue
if resource in other_resource.related:
break
else:
yield resource
async def _async_ordered_shutdown(resources):
while _any_initialized(resources):
resources_to_shutdown = _without_initialized_dependencies(resources)
while any(resource.initialized for resource in resources):
resources_to_shutdown = list(_independent_resources(resources))
if not resources_to_shutdown:
raise RuntimeError('Unable to resolve resources shutdown order')
futures = []
@ -318,15 +313,15 @@ class DynamicContainer(Container):
await asyncio.gather(*futures)
def _sync_ordered_shutdown(resources):
while _any_initialized(resources):
resources_to_shutdown = _without_initialized_dependencies(resources)
while any(resource.initialized for resource in resources):
resources_to_shutdown = list(_independent_resources(resources))
if not resources_to_shutdown:
raise RuntimeError('Unable to resolve resources shutdown order')
for resource in resources_to_shutdown:
resource.shutdown()
resources = list(self.traverse(types=[providers.Resource]))
if _any_in_async_mode(resources):
if any(resource.is_async_mode_enabled() for resource in resources):
return _async_ordered_shutdown(resources)
else:
return _sync_ordered_shutdown(resources)

12
tests/unit/containers/test_dynamic_async_resources_py36.py
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@ -70,15 +70,15 @@ class AsyncResourcesTest(AsyncTestCase):
self._run(container.shutdown_resources())
self.assertEqual(initialized_resources, ['r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r3', 'r2', 'r1'])
self._run(container.init_resources())
self.assertEqual(initialized_resources, ['r1', 'r2', 'r3', 'r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r3', 'r2', 'r1'])
self._run(container.shutdown_resources())
self.assertEqual(initialized_resources, ['r1', 'r2', 'r3', 'r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r1', 'r2', 'r3', 'r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r3', 'r2', 'r1', 'r3', 'r2', 'r1'])
def test_shutdown_circular_dependencies_breaker(self):
async def _resource(name, **_):
@ -148,12 +148,12 @@ class AsyncResourcesTest(AsyncTestCase):
self._run(container.shutdown_resources())
self.assertEqual(initialized_resources, ['r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r3', 'r2', 'r1'])
self._run(container.init_resources())
self.assertEqual(initialized_resources, ['r1', 'r2', 'r3', 'r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r3', 'r2', 'r1'])
self._run(container.shutdown_resources())
self.assertEqual(initialized_resources, ['r1', 'r2', 'r3', 'r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r1', 'r2', 'r3', 'r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r3', 'r2', 'r1', 'r3', 'r2', 'r1'])

6
tests/unit/containers/test_dynamic_py2_py3.py
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@ -233,15 +233,15 @@ class DeclarativeContainerInstanceTests(unittest.TestCase):
container.shutdown_resources()
self.assertEqual(initialized_resources, ['r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r3', 'r2', 'r1'])
container.init_resources()
self.assertEqual(initialized_resources, ['r1', 'r2', 'r3', 'r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r3', 'r2', 'r1'])
container.shutdown_resources()
self.assertEqual(initialized_resources, ['r1', 'r2', 'r3', 'r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r1', 'r2', 'r3', 'r1', 'r2', 'r3'])
self.assertEqual(shutdown_resources, ['r3', 'r2', 'r1', 'r3', 'r2', 'r1'])
def test_shutdown_resources_circular_dependencies_breaker(self):
def _resource(name, **_):