Have the Chef return Paths instead of Links

src/poetry/installation/chef.py

@@ -6,13 +6,12 @@
 from pathlib import Path
 from typing import TYPE_CHECKING
 
-from poetry.core.packages.utils.link import Link
-
 from poetry.installation.chooser import InvalidWheelName
 from poetry.installation.chooser import Wheel
 
 
 if TYPE_CHECKING:
+    from poetry.core.packages.utils.link import Link
 
     from poetry.config.config import Config
     from poetry.utils.env import Env
@@ -25,19 +24,19 @@ def __init__(self, config: Config, env: Env) -> None:
             Path(config.get("cache-dir")).expanduser().joinpath("artifacts")
         )
 
-    def get_cached_archive_for_link(self, link: Link) -> Link | None:
+    def get_cached_archive_for_link(self, link: Link) -> Path | None:
         archives = self.get_cached_archives_for_link(link)
         if not archives:
             return None
 
-        candidates: list[tuple[float | None, Link]] = []
+        candidates: list[tuple[float | None, Path]] = []
         for archive in archives:
-            if not archive.is_wheel:
+            if archive.suffix != ".whl":
                 candidates.append((float("inf"), archive))
                 continue
 
             try:
-                wheel = Wheel(archive.filename)
+                wheel = Wheel(archive.name)
             except InvalidWheelName:
                 continue
 
@@ -53,16 +52,16 @@ def get_cached_archive_for_link(self, link: Link) -> Link | None:
 
         return min(candidates)[1]
 
-    def get_cached_archives_for_link(self, link: Link) -> list[Link]:
+    def get_cached_archives_for_link(self, link: Link) -> list[Path]:
         cache_dir = self.get_cache_directory_for_link(link)
 
         archive_types = ["whl", "tar.gz", "tar.bz2", "bz2", "zip"]
-        links = []
+        paths = []
         for archive_type in archive_types:
             for archive in cache_dir.glob(f"*.{archive_type}"):
-                links.append(Link(archive.as_uri()))
+                paths.append(Path(archive))
 
-        return links
+        return paths
 
     def get_cache_directory_for_link(self, link: Link) -> Path:
         key_parts = {"url": link.url_without_fragment}

src/poetry/installation/executor.py

@@ -17,7 +17,6 @@
 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.packages.utils.utils import url_to_path
 from poetry.core.pyproject.toml import PyProjectTOML
 
 from poetry.installation.chef import Chef
@@ -114,7 +113,7 @@ def verbose(self, verbose: bool = True) -> Executor:
         return self
 
     def pip_install(
-        self, req: Path | Link, upgrade: bool = False, editable: bool = False
+        self, req: Path, upgrade: bool = False, editable: bool = False
     ) -> int:
         try:
             pip_install(req, self._env, upgrade=upgrade, editable=editable)
@@ -463,7 +462,7 @@ def _install(self, operation: Install | Update) -> int:
         if package.source_type == "git":
             return self._install_git(operation)
 
-        archive: Link | Path
+        archive: Path
         if package.source_type == "file":
             archive = self._prepare_file(operation)
         elif package.source_type == "url":
@@ -606,15 +605,15 @@ def _install_git(self, operation: Install | Update) -> int:
 
         return status_code
 
-    def _download(self, operation: Install | Update) -> Link | Path:
+    def _download(self, operation: Install | Update) -> Path:
         link = self._chooser.choose_for(operation.package)
 
         return self._download_link(operation, link)
 
-    def _download_link(self, operation: Install | Update, link: Link) -> Link | Path:
+    def _download_link(self, operation: Install | Update, link: Link) -> Path:
         package = operation.package
 
-        archive: Link | Path | None
+        archive: Path | None
         archive = self._chef.get_cached_archive_for_link(link)
         if archive is None:
             # No cached distributions was found, so we download and prepare it
@@ -638,20 +637,14 @@ def _download_link(self, operation: Install | Update, link: Link) -> Link | Path
         return archive
 
     @staticmethod
-    def _validate_archive_hash(archive: Path | Link, package: Package) -> str:
-        archive_path = (
-            url_to_path(archive.url) if isinstance(archive, Link) else archive
-        )
-        file_dep = FileDependency(
-            package.name,
-            archive_path,
-        )
+    def _validate_archive_hash(archive: Path, package: Package) -> str:
+        file_dep = FileDependency(package.name, archive)
         archive_hash: str = "sha256:" + file_dep.hash()
         known_hashes = {f["hash"] for f in package.files}
 
         if archive_hash not in known_hashes:
             raise RuntimeError(
-                f"Hash for {package} from archive {archive_path.name} not found in"
+                f"Hash for {package} from archive {archive.name} not found in"
                 f" known hashes (was: {archive_hash})"
             )
 

src/poetry/utils/pip.py

@@ -2,9 +2,6 @@
 
 from typing import TYPE_CHECKING
 
-from poetry.core.packages.utils.link import Link
-from poetry.core.packages.utils.utils import url_to_path
-
 from poetry.exceptions import PoetryException
 from poetry.utils.env import EnvCommandError
 
@@ -16,13 +13,12 @@
 
 
 def pip_install(
-    path: Path | Link,
+    path: Path,
     environment: Env,
     editable: bool = False,
     deps: bool = False,
     upgrade: bool = False,
 ) -> int | str:
-    path = url_to_path(path.url) if isinstance(path, Link) else path
     is_wheel = path.suffix == ".whl"
 
     # We disable version check here as we are already pinning to version available in

tests/installation/test_chef.py

@@ -23,11 +23,11 @@
     [
         (
             "https://files.python-poetry.org/demo-0.1.0.tar.gz",
-            "file:///foo/demo-0.1.0-cp38-cp38-macosx_10_15_x86_64.whl",
+            "/cache/demo-0.1.0-cp38-cp38-macosx_10_15_x86_64.whl",
         ),
         (
             "https://example.com/demo-0.1.0-cp38-cp38-macosx_10_15_x86_64.whl",
-            "file:///foo/demo-0.1.0-cp38-cp38-macosx_10_15_x86_64.whl",
+            "/cache/demo-0.1.0-cp38-cp38-macosx_10_15_x86_64.whl",
         ),
     ],
 )
@@ -50,16 +50,16 @@ def test_get_cached_archive_for_link(
         chef,
         "get_cached_archives_for_link",
         return_value=[
-            Link("file:///foo/demo-0.1.0-py2.py3-none-any"),
-            Link("file:///foo/demo-0.1.0.tar.gz"),
-            Link("file:///foo/demo-0.1.0-cp38-cp38-macosx_10_15_x86_64.whl"),
-            Link("file:///foo/demo-0.1.0-cp37-cp37-macosx_10_15_x86_64.whl"),
+            Path("/cache/demo-0.1.0-py2.py3-none-any"),
+            Path("/cache/demo-0.1.0.tar.gz"),
+            Path("/cache/demo-0.1.0-cp38-cp38-macosx_10_15_x86_64.whl"),
+            Path("/cache/demo-0.1.0-cp37-cp37-macosx_10_15_x86_64.whl"),
         ],
     )
 
     archive = chef.get_cached_archive_for_link(Link(link))
 
-    assert Link(cached) == archive
+    assert Path(cached) == archive
 
 
 def test_get_cached_archives_for_link(config: Config, mocker: MockerFixture):
@@ -82,9 +82,7 @@ def test_get_cached_archives_for_link(config: Config, mocker: MockerFixture):
     )
 
     assert archives
-    assert set(archives) == {
-        Link(path.as_uri()) for path in distributions.glob("demo-0.1.0*")
-    }
+    assert set(archives) == {Path(path) for path in distributions.glob("demo-0.1.0*")}
 
 
 def test_get_cache_directory_for_link(config: Config, config_cache_dir: Path):

tests/installation/test_executor.py

@@ -436,11 +436,8 @@ def test_executor_should_not_write_pep610_url_references_for_cached_package(
     config: Config,
     io: BufferedIO,
 ):
-    link_cached = Link(
-        fixture_dir("distributions")
-        .joinpath("demo-0.1.0-py2.py3-none-any.whl")
-        .as_uri()
-    )
+    link_cached = fixture_dir("distributions") / "demo-0.1.0-py2.py3-none-any.whl"
+
     mocker.patch(
         "poetry.installation.executor.Executor._download", return_value=link_cached
     )
@@ -564,12 +561,8 @@ def test_executor_should_use_cached_link_and_hash(
     mocker: MockerFixture,
     fixture_dir: FixtureDirGetter,
 ):
-    # Produce a file:/// URI that is a valid link
-    link_cached = Link(
-        fixture_dir("distributions")
-        .joinpath("demo-0.1.0-py2.py3-none-any.whl")
-        .as_uri()
-    )
+    link_cached = fixture_dir("distributions") / "demo-0.1.0-py2.py3-none-any.whl"
+
     mocker.patch(
         "poetry.installation.chef.Chef.get_cached_archive_for_link",
         return_value=link_cached,

tests/utils/test_pip.py

@@ -6,9 +6,6 @@
 
 import pytest
 
-from poetry.core.packages.utils.link import Link
-from poetry.core.packages.utils.utils import path_to_url
-
 from poetry.utils.pip import pip_install
 
 
@@ -28,17 +25,6 @@ def test_pip_install_successful(
     assert "Successfully installed demo-0.1.0" in result
 
 
-def test_pip_install_link(
-    tmp_dir: str, tmp_venv: VirtualEnv, fixture_dir: FixtureDirGetter
-):
-    file_path = Link(
-        path_to_url(fixture_dir("distributions/demo-0.1.0-py2.py3-none-any.whl"))
-    )
-    result = pip_install(file_path, tmp_venv)
-
-    assert "Successfully installed demo-0.1.0" in result
-
-
 def test_pip_install_with_keyboard_interrupt(
     tmp_dir: str,
     tmp_venv: VirtualEnv,