Use the new wheel builder and installer

src/poetry/config/config.py

@@ -100,7 +100,6 @@ def validator(cls, policy: str) -> bool:
 
 logger = logging.getLogger(__name__)
 
-
 _default_config: Config | None = None
 
 
@@ -124,7 +123,11 @@ class Config:
             "prefer-active-python": False,
             "prompt": "{project_name}-py{python_version}",
         },
-        "experimental": {"new-installer": True, "system-git-client": False},
+        "experimental": {
+            "new-installer": True,
+            "system-git-client": False,
+            "wheel-installer": True,
+        },
         "installer": {"parallel": True, "max-workers": None, "no-binary": None},
     }
 
@@ -267,6 +270,7 @@ def _get_normalizer(name: str) -> Callable[[str], Any]:
             "virtualenvs.options.prefer-active-python",
             "experimental.new-installer",
             "experimental.system-git-client",
+            "experimental.wheel-installer",
             "installer.parallel",
         }:
             return boolean_normalizer

src/poetry/installation/chef.py

@@ -55,6 +55,7 @@ def install(self, requirements: list[str]) -> None:
         from poetry.core.packages.dependency import Dependency
         from poetry.core.packages.project_package import ProjectPackage
 
+        from poetry.config.config import Config
         from poetry.factory import Factory
         from poetry.installation.installer import Installer
         from poetry.packages.locker import NullLocker
@@ -74,7 +75,7 @@ def install(self, requirements: list[str]) -> None:
             package,
             NullLocker(self._env.path.joinpath("poetry.lock"), {}),
             pool,
-            Factory.create_config(NullIO()),
+            Config.create(),
             InstalledRepository.load(self._env),
         )
         installer.update(True)

src/poetry/installation/executor.py

@@ -17,13 +17,13 @@
 from cleo.io.null_io import NullIO
 from poetry.core.packages.file_dependency import FileDependency
 from poetry.core.packages.utils.link import Link
-from poetry.core.pyproject.toml import PyProjectTOML
 
 from poetry.installation.chef import Chef
 from poetry.installation.chooser import Chooser
 from poetry.installation.operations import Install
 from poetry.installation.operations import Uninstall
 from poetry.installation.operations import Update
+from poetry.installation.wheel_installer import WheelInstaller
 from poetry.utils._compat import decode
 from poetry.utils.authenticator import Authenticator
 from poetry.utils.env import EnvCommandError
@@ -61,6 +61,8 @@ def __init__(
         self._authenticator = Authenticator(config, self._io)
         self._chef = Chef(config, self._env)
         self._chooser = Chooser(pool, self._env, config)
+        self._wheel_installer = WheelInstaller(self._env)
+        self._use_wheel_installer = config.get("experimental.wheel-installer", True)
 
         if parallel is None:
             parallel = config.get("installer.parallel", True)
@@ -82,6 +84,11 @@ def __init__(
         self._shutdown = False
         self._hashes: dict[str, str] = {}
 
+    def set_chef(self, chef: Chef) -> Executor:
+        self._chef = chef
+
+        return self
+
     @property
     def installations_count(self) -> int:
         return self._executed["install"]
@@ -453,19 +460,22 @@ def _execute_uninstall(self, operation: Uninstall) -> int:
         message = f"  <fg=blue;options=bold>•</> {op_msg}: <info>Removing...</info>"
         self._write(operation, message)
 
-        return self._remove(operation)
+        return self._remove(operation.package)
 
     def _install(self, operation: Install | Update) -> int:
         package = operation.package
         if package.source_type == "directory":
+            if not self._use_wheel_installer:
+                return self._install_directory_without_wheel_installer(operation)
+
             return self._install_directory(operation)
 
         if package.source_type == "git":
             return self._install_git(operation)
 
         archive: Path
         if package.source_type == "file":
-            archive = self._prepare_file(operation)
+            archive = self._prepare_archive(operation)
         elif package.source_type == "url":
             assert package.source_url is not None
             archive = self._download_link(operation, Link(package.source_url))
@@ -478,14 +488,18 @@ def _install(self, operation: Install | Update) -> int:
             " <info>Installing...</info>"
         )
         self._write(operation, message)
-        return self.pip_install(archive, upgrade=operation.job_type == "update")
+
+        if not self._use_wheel_installer:
+            return self.pip_install(archive, upgrade=operation.job_type == "update")
+
+        self._wheel_installer.install(archive)
+
+        return 0
 
     def _update(self, operation: Install | Update) -> int:
         return self._install(operation)
 
-    def _remove(self, operation: Uninstall) -> int:
-        package = operation.package
-
+    def _remove(self, package: Package) -> int:
         # If we have a VCS package, remove its source directory
         if package.source_type == "git":
             src_dir = self._env.path / "src" / package.name
@@ -500,7 +514,7 @@ def _remove(self, operation: Uninstall) -> int:
 
             raise
 
-    def _prepare_file(self, operation: Install | Update) -> Path:
+    def _prepare_archive(self, operation: Install | Update) -> Path:
         package = operation.package
         operation_message = self.get_operation_message(operation)
 
@@ -515,9 +529,51 @@ def _prepare_file(self, operation: Install | Update) -> Path:
         if not Path(package.source_url).is_absolute() and package.root_dir:
             archive = package.root_dir / archive
 
-        return archive
+        return self._chef.prepare(archive)
 
     def _install_directory(self, operation: Install | Update) -> int:
+        package = operation.package
+        operation_message = self.get_operation_message(operation)
+
+        message = (
+            f"  <fg=blue;options=bold>•</> {operation_message}:"
+            " <info>Building...</info>"
+        )
+        self._write(operation, message)
+
+        assert package.source_url is not None
+        if package.root_dir:
+            req = package.root_dir / package.source_url
+        else:
+            req = Path(package.source_url).resolve(strict=False)
+
+        if package.source_subdirectory:
+            req /= package.source_subdirectory
+
+        if package.develop:
+            # Editable installations are currently not supported
+            # for PEP-517 build systems so we defer to pip.
+            # TODO: Remove this workaround once either PEP-660 or PEP-662 is accepted
+            return self.pip_install(req, editable=True)
+
+        archive = self._prepare_archive(operation)
+
+        try:
+            if operation.job_type == "update":
+                # Uninstall first
+                # TODO: Make an uninstaller and find a way to rollback in case
+                # the new package can't be installed
+                self._remove(operation.initial_package)
+
+            self._wheel_installer.install(archive)
+        finally:
+            archive.unlink()
+
+    def _install_directory_without_wheel_installer(
+        self, operation: Install | Update
+    ) -> int:
+        from poetry.core.pyproject.toml import PyProjectTOML
+
         from poetry.factory import Factory
 
         package = operation.package
@@ -618,6 +674,7 @@ def _download_link(self, operation: Install | Update, link: Link) -> Path:
         package = operation.package
 
         archive: Path | None
+        output_dir = self._chef.get_cache_directory_for_link(link)
         archive = self._chef.get_cached_archive_for_link(link)
         if archive is None:
             # No cached distributions was found, so we download and prepare it
@@ -633,7 +690,16 @@ def _download_link(self, operation: Install | Update, link: Link) -> Path:
 
                 raise
 
-        if package.files:
+        if archive.suffix != ".whl":
+            message = (
+                f"  <fg=blue;options=bold>•</> {self.get_operation_message(operation)}:"
+                " <info>Preparing...</info>"
+            )
+            self._write(operation, message)
+
+            archive = self._chef.prepare(archive, output_dir=output_dir)
+
+        if package.files and archive.name in {f["file"] for f in package.files}:
             archive_hash = self._validate_archive_hash(archive, package)
 
             self._hashes[package.name] = archive_hash

tests/console/commands/self/test_update.py

@@ -10,17 +10,33 @@
 
 from poetry.__version__ import __version__
 from poetry.factory import Factory
+from poetry.installation.executor import Executor
+from poetry.installation.wheel_installer import WheelInstaller
 
 
 if TYPE_CHECKING:
     from cleo.testers.command_tester import CommandTester
+    from pytest_mock import MockerFixture
 
     from tests.helpers import TestRepository
     from tests.types import CommandTesterFactory
 
 FIXTURES = Path(__file__).parent.joinpath("fixtures")
 
 
+@pytest.fixture()
+def setup(mocker: MockerFixture, fixture_dir: Path):
+    mocker.patch.object(
+        Executor,
+        "_download",
+        return_value=fixture_dir("distributions").joinpath(
+            "demo-0.1.2-py2.py3-none-any.whl"
+        ),
+    )
+
+    mocker.patch.object(WheelInstaller, "install")
+
+
 @pytest.fixture()
 def tester(command_tester_factory: CommandTesterFactory) -> CommandTester:
     return command_tester_factory("self update")

tests/console/commands/test_config.py

@@ -53,6 +53,7 @@ def test_list_displays_default_value_if_not_set(
     expected = f"""cache-dir = {cache_dir}
 experimental.new-installer = true
 experimental.system-git-client = false
+experimental.wheel-installer = true
 installer.max-workers = null
 installer.no-binary = null
 installer.parallel = true
@@ -82,6 +83,7 @@ def test_list_displays_set_get_setting(
     expected = f"""cache-dir = {cache_dir}
 experimental.new-installer = true
 experimental.system-git-client = false
+experimental.wheel-installer = true
 installer.max-workers = null
 installer.no-binary = null
 installer.parallel = true
@@ -135,6 +137,7 @@ def test_list_displays_set_get_local_setting(
     expected = f"""cache-dir = {cache_dir}
 experimental.new-installer = true
 experimental.system-git-client = false
+experimental.wheel-installer = true
 installer.max-workers = null
 installer.no-binary = null
 installer.parallel = true

tests/fixtures/extended_with_no_setup/pyproject.toml

@@ -22,5 +22,5 @@ script = "build.py"
 generate-setup-file = false
 
 [build-system]
-requires = ["poetry-core>=1.0.0"]
+requires = ["poetry-core>=1.1.0rc1"]
 build-backend = "poetry.core.masonry.api"

tests/installation/test_chef.py

@@ -8,9 +8,12 @@
 from packaging.tags import Tag
 from poetry.core.packages.utils.link import Link
 
+from poetry.factory import Factory
 from poetry.installation.chef import Chef
+from poetry.repositories import Pool
 from poetry.utils.env import EnvManager
 from poetry.utils.env import MockEnv
+from tests.repositories.test_pypi_repository import MockRepository
 
 
 if TYPE_CHECKING:
@@ -19,6 +22,20 @@
     from tests.conftest import Config
 
 
+@pytest.fixture()
+def pool() -> Pool:
+    pool = Pool()
+
+    pool.add_repository(MockRepository())
+
+    return pool
+
+
+@pytest.fixture(autouse=True)
+def setup(mocker: MockerFixture, pool: Pool) -> None:
+    mocker.patch.object(Factory, "create_pool", return_value=pool)
+
+
 @pytest.mark.parametrize(
     ("link", "cached"),
     [
@@ -83,7 +100,7 @@ def test_get_cached_archives_for_link(config: Config, mocker: MockerFixture):
     )
 
     assert archives
-    assert set(archives) == {Path(path) for path in distributions.glob("demo-0.1.0*")}
+    assert set(archives) == set(distributions.glob("demo-0.1.*"))
 
 
 def test_get_cache_directory_for_link(config: Config, config_cache_dir: Path):