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https://github.com/home-assistant/core
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Improve performance of async_get_integration_with_requirements (#110770)
* Improve performance of async_get_integration_with_requirements - Migrate to the future pattern instead of using asyncio.Event - Use sets in a few places to avoid linear searching - Check the cache when processing deps so we do not create tasks to process requirements for deps that have already been processed * name * add concurrency test * Update homeassistant/requirements.py Co-authored-by: Martin Hjelmare <marhje52@gmail.com> * Update homeassistant/requirements.py Co-authored-by: Martin Hjelmare <marhje52@gmail.com> * Update homeassistant/requirements.py Co-authored-by: Martin Hjelmare <marhje52@gmail.com> * Update homeassistant/requirements.py Co-authored-by: Martin Hjelmare <marhje52@gmail.com> * reset_mock --------- Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
This commit is contained in:
J. Nick Koston
GitHub
parent
aa8d8402b4
commit
53944235d2
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@ -129,7 +129,7 @@ class RequirementsManager:
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self.hass = hass
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self.pip_lock = asyncio.Lock()
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self.integrations_with_reqs: dict[
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str, Integration | asyncio.Event | None | UndefinedType
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str, Integration | asyncio.Future[None] | None | UndefinedType
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] = {}
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self.install_failure_history: set[str] = set()
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self.is_installed_cache: set[str] = set()
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@ -155,31 +155,33 @@ class RequirementsManager:
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return integration
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cache = self.integrations_with_reqs
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int_or_evt = cache.get(domain, UNDEFINED)
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int_or_fut = cache.get(domain, UNDEFINED)
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if isinstance(int_or_evt, asyncio.Event):
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await int_or_evt.wait()
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if isinstance(int_or_fut, asyncio.Future):
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await int_or_fut
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# When we have waited and it's UNDEFINED, it doesn't exist
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# We don't cache that it doesn't exist, or else people can't fix it
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# and then restart, because their config will never be valid.
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if (int_or_evt := cache.get(domain, UNDEFINED)) is UNDEFINED:
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if (int_or_fut := cache.get(domain, UNDEFINED)) is UNDEFINED:
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raise IntegrationNotFound(domain)
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if int_or_evt is not UNDEFINED:
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return cast(Integration, int_or_evt)
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if int_or_fut is not UNDEFINED:
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return cast(Integration, int_or_fut)
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event = cache[domain] = asyncio.Event()
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event = cache[domain] = self.hass.loop.create_future()
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try:
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await self._async_process_integration(integration, done)
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except Exception:
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del cache[domain]
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event.set()
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if not event.done():
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event.set_result(None)
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raise
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cache[domain] = integration
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event.set()
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if not event.done():
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event.set_result(None)
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return integration
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async def _async_process_integration(
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@ -191,19 +193,35 @@ class RequirementsManager:
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integration.domain, integration.requirements
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)
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deps_to_check = [
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cache = self.integrations_with_reqs
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deps_to_check = {
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dep
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for dep in integration.dependencies + integration.after_dependencies
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if dep not in done
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]
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# If the dep is in the cache and it's an Integration
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# it's already been checked for the requirements and we should
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# not check it again.
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and (
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not (cached_integration := cache.get(dep))
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or type(cached_integration) is not Integration
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)
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}
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for check_domain, to_check in DISCOVERY_INTEGRATIONS.items():
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if (
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check_domain not in done
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and check_domain not in deps_to_check
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# If the integration is in the cache and it's an Integration
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# it's already been checked for the requirements and we should
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# not check it again.
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and (
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not (cached_integration := cache.get(check_domain))
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or type(cached_integration) is not Integration
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)
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and any(check in integration.manifest for check in to_check)
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):
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deps_to_check.append(check_domain)
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deps_to_check.add(check_domain)
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if not deps_to_check:
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return
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@ -233,11 +251,11 @@ class RequirementsManager:
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if an requirement can't be satisfied.
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"""
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if self.hass.config.skip_pip_packages:
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skipped_requirements = [
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skipped_requirements = {
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req
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for req in requirements
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if Requirement(req).name in self.hass.config.skip_pip_packages
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]
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}
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for req in skipped_requirements:
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_LOGGER.warning("Skipping requirement %s. This may cause issues", req)
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@ -249,9 +267,8 @@ class RequirementsManager:
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self._raise_for_failed_requirements(name, missing)
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async with self.pip_lock:
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# Recaculate missing again now that we have the lock
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missing = self._find_missing_requirements(requirements)
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if missing:
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# Recalculate missing again now that we have the lock
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if missing := self._find_missing_requirements(requirements):
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await self._async_process_requirements(name, missing)
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def _find_missing_requirements(self, requirements: list[str]) -> list[str]:
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@ -1,4 +1,5 @@
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"""Test requirements module."""
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import asyncio
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import logging
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import os
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from unittest.mock import call, patch
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@ -7,9 +8,11 @@ import pytest
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from homeassistant import loader, setup
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from homeassistant.core import HomeAssistant
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from homeassistant.loader import async_get_integration
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from homeassistant.requirements import (
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CONSTRAINT_FILE,
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RequirementsNotFound,
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_async_get_manager,
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async_clear_install_history,
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async_get_integration_with_requirements,
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async_process_requirements,
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@ -156,6 +159,139 @@ async def test_get_integration_with_requirements(hass: HomeAssistant) -> None:
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]
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async def test_get_integration_with_requirements_cache(hass: HomeAssistant) -> None:
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"""Check getting an integration with loaded requirements considers cache.
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We want to make sure that we do not check requirements for dependencies
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that we have already checked.
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"""
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hass.config.skip_pip = False
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mock_integration(
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hass, MockModule("test_component_dep", requirements=["test-comp-dep==1.0.0"])
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)
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mock_integration(
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hass,
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MockModule(
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"test_component_after_dep", requirements=["test-comp-after-dep==1.0.0"]
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),
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)
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mock_integration(
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hass,
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MockModule(
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"test_component",
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requirements=["test-comp==1.0.0"],
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dependencies=["test_component_dep"],
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partial_manifest={"after_dependencies": ["test_component_after_dep"]},
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),
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)
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mock_integration(
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hass,
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MockModule(
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"test_component2",
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requirements=["test-comp2==1.0.0"],
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dependencies=["test_component_dep"],
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partial_manifest={"after_dependencies": ["test_component_after_dep"]},
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),
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)
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with patch(
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"homeassistant.util.package.is_installed", return_value=False
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) as mock_is_installed, patch(
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"homeassistant.util.package.install_package", return_value=True
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) as mock_inst, patch(
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"homeassistant.requirements.async_get_integration", wraps=async_get_integration
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) as mock_async_get_integration:
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integration = await async_get_integration_with_requirements(
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hass, "test_component"
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)
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assert integration
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assert integration.domain == "test_component"
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assert len(mock_is_installed.mock_calls) == 3
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assert sorted(
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mock_call[1][0] for mock_call in mock_is_installed.mock_calls
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) == [
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"test-comp-after-dep==1.0.0",
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"test-comp-dep==1.0.0",
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"test-comp==1.0.0",
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]
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assert len(mock_inst.mock_calls) == 3
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assert sorted(mock_call[1][0] for mock_call in mock_inst.mock_calls) == [
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"test-comp-after-dep==1.0.0",
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"test-comp-dep==1.0.0",
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"test-comp==1.0.0",
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]
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# The dependent integrations should be fetched since
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assert len(mock_async_get_integration.mock_calls) == 3
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assert sorted(
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mock_call[1][1] for mock_call in mock_async_get_integration.mock_calls
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) == ["test_component", "test_component_after_dep", "test_component_dep"]
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# test_component2 has the same deps as test_component and we should
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# not check the requirements for the deps again
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mock_is_installed.reset_mock()
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mock_inst.reset_mock()
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mock_async_get_integration.reset_mock()
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integration = await async_get_integration_with_requirements(
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hass, "test_component2"
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)
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assert integration
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assert integration.domain == "test_component2"
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assert len(mock_is_installed.mock_calls) == 1
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assert sorted(mock_call[1][0] for mock_call in mock_is_installed.mock_calls) == [
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"test-comp2==1.0.0",
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]
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assert len(mock_inst.mock_calls) == 1
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assert sorted(mock_call[1][0] for mock_call in mock_inst.mock_calls) == [
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"test-comp2==1.0.0",
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]
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# The dependent integrations should not be fetched again
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assert len(mock_async_get_integration.mock_calls) == 1
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assert sorted(
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mock_call[1][1] for mock_call in mock_async_get_integration.mock_calls
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) == [
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"test_component2",
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]
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async def test_get_integration_with_requirements_concurrency(
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hass: HomeAssistant,
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) -> None:
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"""Test that we don't install the same requirement concurrently."""
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hass.config.skip_pip = False
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mock_integration(
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hass, MockModule("test_component_dep", requirements=["test-comp-dep==1.0.0"])
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)
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process_integration_calls = 0
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async def _async_process_integration_slowed(*args, **kwargs):
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nonlocal process_integration_calls
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process_integration_calls += 1
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await asyncio.sleep(0)
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manager = _async_get_manager(hass)
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with patch.object(
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manager, "_async_process_integration", _async_process_integration_slowed
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):
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tasks = [
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async_get_integration_with_requirements(hass, "test_component_dep")
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for _ in range(10)
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]
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results = await asyncio.gather(*tasks)
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assert all(result.domain == "test_component_dep" for result in results)
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assert process_integration_calls == 1
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async def test_get_integration_with_requirements_pip_install_fails_two_passes(
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hass: HomeAssistant,
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) -> None:
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