installer: respect source if the same version of a package has been locked from different sources

src/poetry/console/commands/show.py

@@ -211,8 +211,7 @@ def _display_packages_information(
         from poetry.utils.helpers import get_package_version_display_string
 
         locked_packages = locked_repository.packages
-        pool = RepositoryPool(ignore_repository_names=True, config=self.poetry.config)
-        pool.add_repository(locked_repository)
+        pool = RepositoryPool.from_packages(locked_packages, self.poetry.config)
         solver = Solver(
             root,
             pool=pool,

src/poetry/installation/installer.py

@@ -286,16 +286,8 @@ def _do_install(self) -> int:
             )
 
         # We resolve again by only using the lock file
-        pool = RepositoryPool(ignore_repository_names=True, config=self._config)
-
-        # Making a new repo containing the packages
-        # newly resolved and the ones from the current lock file
-        repo = Repository("poetry-repo")
-        for package in lockfile_repo.packages + locked_repository.packages:
-            if not package.is_direct_origin() and not repo.has_package(package):
-                repo.add_package(package)
-
-        pool.add_repository(repo)
+        packages = lockfile_repo.packages + locked_repository.packages
+        pool = RepositoryPool.from_packages(packages, self._config)
 
         solver = Solver(
             root,

src/poetry/repositories/repository_pool.py

@@ -11,6 +11,7 @@
 from poetry.config.config import Config
 from poetry.repositories.abstract_repository import AbstractRepository
 from poetry.repositories.exceptions import PackageNotFound
+from poetry.repositories.repository import Repository
 from poetry.utils.cache import ArtifactCache
 
 
@@ -19,7 +20,7 @@
     from poetry.core.packages.dependency import Dependency
     from poetry.core.packages.package import Package
 
-    from poetry.repositories.repository import Repository
+_SENTINEL = object()
 
 
 class Priority(IntEnum):
@@ -42,13 +43,12 @@ class RepositoryPool(AbstractRepository):
     def __init__(
         self,
         repositories: list[Repository] | None = None,
-        ignore_repository_names: bool = False,
+        ignore_repository_names: object = _SENTINEL,
         *,
         config: Config | None = None,
     ) -> None:
         super().__init__("poetry-repository-pool")
         self._repositories: OrderedDict[str, PrioritizedRepository] = OrderedDict()
-        self._ignore_repository_names = ignore_repository_names
 
         if repositories is None:
             repositories = []
@@ -59,6 +59,34 @@ def __init__(
             cache_dir=(config or Config.create()).artifacts_cache_directory
         )
 
+        if ignore_repository_names is not _SENTINEL:
+            warnings.warn(
+                "The 'ignore_repository_names' argument to 'RepositoryPool.__init__' is"
+                " deprecated. It has no effect anymore and will be removed in a future"
+                " version.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
+    @staticmethod
+    def from_packages(packages: list[Package], config: Config | None) -> RepositoryPool:
+        pool = RepositoryPool(config=config)
+        for package in packages:
+            if package.is_direct_origin():
+                continue
+
+            repo_name = package.source_reference or "PyPI"
+            try:
+                repo = pool.repository(repo_name)
+            except IndexError:
+                repo = Repository(repo_name)
+                pool.add_repository(repo)
+
+            if not repo.has_package(package):
+                repo.add_package(package)
+
+        return pool
+
     @property
     def repositories(self) -> list[Repository]:
         """
@@ -166,7 +194,7 @@ def package(
         extras: list[str] | None = None,
         repository_name: str | None = None,
     ) -> Package:
-        if repository_name and not self._ignore_repository_names:
+        if repository_name:
             return self.repository(repository_name).package(
                 name, version, extras=extras
             )
@@ -180,7 +208,7 @@ def package(
 
     def find_packages(self, dependency: Dependency) -> list[Package]:
         repository_name = dependency.source_name
-        if repository_name and not self._ignore_repository_names:
+        if repository_name:
             return self.repository(repository_name).find_packages(dependency)
 
         packages: list[Package] = []

src/poetry/utils/env/mock_env.py

@@ -16,8 +16,10 @@ class MockEnv(NullEnv):
     def __init__(
         self,
         version_info: tuple[int, int, int] = (3, 7, 0),
+        *,
         python_implementation: str = "CPython",
         platform: str = "darwin",
+        platform_machine: str = "amd64",
         os_name: str = "posix",
         is_venv: bool = False,
         pip_version: str = "19.1",
@@ -31,6 +33,7 @@ def __init__(
         self._version_info = version_info
         self._python_implementation = python_implementation
         self._platform = platform
+        self._platform_machine = platform_machine
         self._os_name = os_name
         self._is_venv = is_venv
         self._pip_version: Version = Version.parse(pip_version)
@@ -42,6 +45,10 @@ def __init__(
     def platform(self) -> str:
         return self._platform
 
+    @property
+    def platform_machine(self) -> str:
+        return self._platform_machine
+
     @property
     def os(self) -> str:
         return self._os_name
@@ -67,6 +74,7 @@ def get_marker_env(self) -> dict[str, Any]:
         marker_env["python_version"] = ".".join(str(v) for v in self._version_info[:2])
         marker_env["python_full_version"] = ".".join(str(v) for v in self._version_info)
         marker_env["sys_platform"] = self._platform
+        marker_env["platform_machine"] = self._platform_machine
         marker_env["interpreter_name"] = self._python_implementation.lower()
         marker_env["interpreter_version"] = "cp" + "".join(
             str(v) for v in self._version_info[:2]

tests/console/commands/test_add.py

@@ -902,21 +902,16 @@ def test_add_constraint_with_source(
     mocker: MockerFixture,
 ) -> None:
     repo = LegacyRepository(name="my-index", url="https://my-index.fake")
-    repo.add_package(get_package("cachy", "0.2.0"))
-    mocker.patch.object(
-        repo,
-        "_find_packages",
-        wraps=lambda _, name: [
-            Package(
-                "cachy",
-                Version.parse("0.2.0"),
-                source_type="legacy",
-                source_reference=repo.name,
-                source_url=repo._url,
-                yanked=False,
-            )
-        ],
+    package = Package(
+        "cachy",
+        Version.parse("0.2.0"),
+        source_type="legacy",
+        source_reference=repo.name,
+        source_url=repo._url,
+        yanked=False,
     )
+    mocker.patch.object(repo, "package", return_value=package)
+    mocker.patch.object(repo, "_find_packages", wraps=lambda _, name: [package])
 
     poetry.pool.add_repository(repo)
 

tests/installation/test_installer.py

@@ -2558,9 +2558,8 @@ def test_installer_should_use_the_locked_version_of_git_dependencies_without_ref
     )
 
 
-# https://github.com/python-poetry/poetry/issues/6710
 @pytest.mark.parametrize("env_platform", ["darwin", "linux"])
-def test_installer_distinguishes_locked_packages_by_source(
+def test_installer_distinguishes_locked_packages_with_local_version_by_source(
     pool: RepositoryPool,
     locker: Locker,
     installed: CustomInstalledRepository,
@@ -2569,6 +2568,7 @@ def test_installer_distinguishes_locked_packages_by_source(
     package: ProjectPackage,
     env_platform: str,
 ) -> None:
+    """https://github.com/python-poetry/poetry/issues/6710"""
     # Require 1.11.0+cpu from pytorch for most platforms, but specify 1.11.0 and pypi on
     # darwin.
     package.add_dependency(
@@ -2661,6 +2661,110 @@ def test_installer_distinguishes_locked_packages_by_source(
     )
 
 
+@pytest.mark.parametrize("env_platform_machine", ["aarch64", "amd64"])
+def test_installer_distinguishes_locked_packages_with_same_version_by_source(
+    pool: RepositoryPool,
+    locker: Locker,
+    installed: CustomInstalledRepository,
+    config: Config,
+    repo: Repository,
+    package: ProjectPackage,
+    env_platform_machine: str,
+) -> None:
+    """https://github.com/python-poetry/poetry/issues/8303"""
+    package.add_dependency(
+        Factory.create_dependency(
+            "kivy",
+            {
+                "version": "2.2.1",
+                "markers": "platform_machine == 'aarch64'",
+                "source": "pywheels",
+            },
+        )
+    )
+    package.add_dependency(
+        Factory.create_dependency(
+            "kivy",
+            {
+                "version": "2.2.1",
+                "markers": "platform_machine != 'aarch64'",
+                "source": "PyPI",
+            },
+        )
+    )
+
+    # Locking finds both the pypi and the pyhweels packages.
+    locker.locked(True)
+    locker.mock_lock_data(
+        {
+            "package": [
+                {
+                    "name": "kivy",
+                    "version": "2.2.1",
+                    "optional": False,
+                    "files": [],
+                    "python-versions": "*",
+                },
+                {
+                    "name": "kivy",
+                    "version": "2.2.1",
+                    "optional": False,
+                    "files": [],
+                    "python-versions": "*",
+                    "source": {
+                        "type": "legacy",
+                        "url": "https://www.piwheels.org/simple",
+                        "reference": "pywheels",
+                    },
+                },
+            ],
+            "metadata": {
+                "python-versions": "*",
+                "platform": "*",
+                "content-hash": "123456789",
+            },
+        }
+    )
+    installer = Installer(
+        NullIO(),
+        MockEnv(platform_machine=env_platform_machine),
+        package,
+        locker,
+        pool,
+        config,
+        installed=installed,
+        executor=Executor(
+            MockEnv(platform_machine=env_platform_machine),
+            pool,
+            config,
+            NullIO(),
+        ),
+    )
+    result = installer.run()
+    assert result == 0
+
+    # Results of installation are consistent with the platform requirements.
+    version = "2.2.1"
+    if env_platform_machine == "aarch64":
+        source_type = "legacy"
+        source_url = "https://www.piwheels.org/simple"
+        source_reference = "pywheels"
+    else:
+        source_type = None
+        source_url = None
+        source_reference = None
+
+    assert isinstance(installer.executor, Executor)
+    assert len(installer.executor.installations) == 1
+    assert installer.executor.installations[0] == Package(
+        "kivy",
+        version,
+        source_type=source_type,
+        source_url=source_url,
+        source_reference=source_reference,
+    )
+
+
 @pytest.mark.parametrize("env_platform", ["darwin", "linux"])
 def test_explicit_source_dependency_with_direct_origin_dependency(
     pool: RepositoryPool,
@@ -2675,12 +2779,13 @@ def test_explicit_source_dependency_with_direct_origin_dependency(
     A dependency with explicit source should not be satisfied by
     a direct origin dependency even if there is a version match.
     """
+    demo_url = "https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl"
     package.add_dependency(
         Factory.create_dependency(
             "demo",
             {
                 "markers": "sys_platform != 'darwin'",
-                "url": "https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl",
+                "url": demo_url,
             },
         )
     )
@@ -2698,6 +2803,50 @@ def test_explicit_source_dependency_with_direct_origin_dependency(
     repo.add_package(get_package("pendulum", "1.4.4"))
     repo.add_package(get_package("demo", "0.1.0"))
 
+    # Locking finds both the direct origin and the explicit source packages.
+    locker.locked(True)
+    locker.mock_lock_data(
+        {
+            "package": [
+                {
+                    "name": "demo",
+                    "version": "0.1.0",
+                    "optional": False,
+                    "files": [],
+                    "python-versions": "*",
+                    "dependencies": {"pendulum": ">=1.4.4"},
+                    "source": {
+                        "type": "url",
+                        "url": demo_url,
+                    },
+                },
+                {
+                    "name": "demo",
+                    "version": "0.1.0",
+                    "optional": False,
+                    "files": [],
+                    "python-versions": "*",
+                    "source": {
+                        "type": "legacy",
+                        "url": "https://www.demo.org/simple",
+                        "reference": "repo",
+                    },
+                },
+                {
+                    "name": "pendulum",
+                    "version": "1.4.4",
+                    "optional": False,
+                    "files": [],
+                    "python-versions": "*",
+                },
+            ],
+            "metadata": {
+                "python-versions": "*",
+                "platform": "*",
+                "content-hash": "123456789",
+            },
+        }
+    )
     installer = Installer(
         NullIO(),
         MockEnv(platform=env_platform),
@@ -2725,8 +2874,16 @@ def test_explicit_source_dependency_with_direct_origin_dependency(
                 "demo",
                 "0.1.0",
                 source_type="url",
-                source_url="https://python-poetry.org/distributions/demo-0.1.0-py2.py3-none-any.whl",
+                source_url=demo_url,
             ),
         ]
     else:
-        assert installer.executor.installations == [Package("demo", "0.1.0")]
+        assert installer.executor.installations == [
+            Package(
+                "demo",
+                "0.1.0",
+                source_type="legacy",
+                source_url="https://www.demo.org/simple",
+                source_reference="repo",
+            )
+        ]