locker: do not assign unrelated filenames/hashes to direct origin dependencies

src/poetry/packages/locker.py

@@ -128,9 +128,18 @@ def locked_repository(self) -> Repository:
                 # Old lock so we create dummy files from the hashes
                 hashes = cast("dict[str, Any]", metadata["hashes"])
                 package.files = [{"name": h, "hash": h} for h in hashes[name]]
+            elif source_type in {"git", "directory", "url"}:
+                package.files = []
             else:
                 files = metadata["files"][name]
-                package.files = files
+                if source_type == "file":
+                    filename = Path(url).name
+                    package.files = [item for item in files if item["file"] == filename]
+                else:
+                    # Strictly speaking, this is not correct, but we have no chance
+                    # to always determine which are the correct files because the
+                    # lockfile doesn't keep track which files belong to which package.
+                    package.files = files
 
             package.python_versions = info["python-versions"]
             extras = info.get("extras", {})

tests/packages/test_locker.py

@@ -409,6 +409,120 @@ def test_locker_properly_loads_subdir(locker: Locker) -> None:
     assert package.source_subdirectory == "subdir"
 
 
+def test_locker_properly_assigns_metadata_files(locker: Locker) -> None:
+    """
+    For multiple constraints dependencies, there is only one common entry in
+    metadata.files. However, we must not assign all the files to each of the packages
+    because this can result in duplicated and outdated entries when running
+    `poetry lock --no-update` and hash check failures when running `poetry install`.
+    """
+    content = """\
+[[package]]
+name = "demo"
+version = "1.0"
+description = ""
+category = "main"
+optional = false
+python-versions = "*"
+develop = false
+
+[[package]]
+name = "demo"
+version = "1.0"
+description = ""
+category = "main"
+optional = false
+python-versions = "*"
+develop = false
+
+[package.source]
+type = "git"
+url = "https://github.com/demo/demo.git"
+reference = "main"
+resolved_reference = "123456"
+
+[[package]]
+name = "demo"
+version = "1.0"
+description = ""
+category = "main"
+optional = false
+python-versions = "*"
+develop = false
+
+[package.source]
+type = "directory"
+url = "./folder"
+
+[[package]]
+name = "demo"
+version = "1.0"
+description = ""
+category = "main"
+optional = false
+python-versions = "*"
+develop = false
+
+[package.source]
+type = "file"
+url = "./demo-1.0-cp39-win_amd64.whl"
+
+[[package]]
+name = "demo"
+version = "1.0"
+description = ""
+category = "main"
+optional = false
+python-versions = "*"
+develop = false
+
+[package.source]
+type = "url"
+url = "https://example.com/demo-1.0-cp38-win_amd64.whl"
+
+[metadata]
+lock-version = "1.1"
+python-versions = "*"
+content-hash = "115cf985d932e9bf5f540555bbdd75decbb62cac81e399375fc19f6277f8c1d8"
+
+[metadata.files]
+# metadata.files are only tracked for non-direct origin and file dependencies
+demo = [
+    {file = "demo-1.0-cp39-win_amd64.whl", hash = "sha256"},
+    {file = "demo-1.0.tar.gz", hash = "sha256"},
+    {file = "demo-1.0-py3-none-any.whl", hash = "sha256"},
+]
+"""
+    locker.lock.write(tomlkit.parse(content))
+
+    repository = locker.locked_repository()
+    assert len(repository.packages) == 5
+    assert {package.source_type for package in repository.packages} == {
+        None,
+        "git",
+        "directory",
+        "file",
+        "url",
+    }
+    for package in repository.packages:
+        if package.source_type is None:
+            # non-direct origin package contains all files
+            # with the current lockfile format we have no chance to determine
+            # which files are correct, so we keep all for hash check
+            # correct files are set later in Provider.complete_package()
+            assert package.files == [
+                {"file": "demo-1.0-cp39-win_amd64.whl", "hash": "sha256"},
+                {"file": "demo-1.0.tar.gz", "hash": "sha256"},
+                {"file": "demo-1.0-py3-none-any.whl", "hash": "sha256"},
+            ]
+        elif package.source_type == "file":
+            assert package.files == [
+                {"file": "demo-1.0-cp39-win_amd64.whl", "hash": "sha256"}
+            ]
+        else:
+            package.files = []
+
+
 def test_lock_packages_with_null_description(locker: Locker, root: ProjectPackage):
     package_a = get_package("A", "1.0.0")
     package_a.description = None