fix: installation of missing directory dependencies with --skip-directory

src/poetry/installation/installer.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from typing import TYPE_CHECKING
+from typing import cast
 
 from cleo.io.null_io import NullIO
 from packaging.utils import canonicalize_name
@@ -21,6 +22,7 @@
 
     from cleo.io.io import IO
     from packaging.utils import NormalizedName
+    from poetry.core.packages.path_dependency import PathDependency
     from poetry.core.packages.project_package import ProjectPackage
 
     from poetry.config.config import Config
@@ -336,6 +338,13 @@ def _do_install(self) -> int:
         # or optional and not requested, are dropped
         self._filter_operations(ops, lockfile_repo)
 
+        # Validate the dependencies
+        for op in ops:
+            dep = op.package.to_dependency()
+            if dep.is_file() or dep.is_directory():
+                dep = cast("PathDependency", dep)
+                dep.validate(raise_error=True)
+
         # Execute operations
         status = self._execute(ops)
 

src/poetry/puzzle/provider.py

@@ -43,7 +43,6 @@
     from poetry.core.packages.directory_dependency import DirectoryDependency
     from poetry.core.packages.file_dependency import FileDependency
     from poetry.core.packages.package import Package
-    from poetry.core.packages.path_dependency import PathDependency
     from poetry.core.packages.url_dependency import URLDependency
     from poetry.core.packages.vcs_dependency import VCSDependency
     from poetry.core.version.markers import BaseMarker
@@ -560,11 +559,6 @@ def complete_package(
                     if locked is not None and locked.package.is_same_package_as(dep):
                         continue
                     self.search_for_direct_origin_dependency(dep)
-        else:
-            for dep in _dependencies:
-                if dep.is_file() or dep.is_directory():
-                    dep = cast("PathDependency", dep)
-                    dep.validate(raise_error=True)
 
         dependencies = self._get_dependencies_with_overrides(
             _dependencies, dependency_package

tests/console/commands/test_install.py

@@ -437,3 +437,23 @@ def test_install_path_dependency_does_not_exist(
     else:
         with pytest.raises(ValueError, match="does not exist"):
             tester.execute(options)
+
+
+@pytest.mark.parametrize("options", ["", "--no-directory"])
+def test_install_missing_directory_dependency_with_no_directory(
+    command_tester_factory: CommandTesterFactory,
+    project_factory: ProjectFactory,
+    fixture_dir: FixtureDirGetter,
+    options: str,
+) -> None:
+    poetry = _project_factory(
+        "missing_directory_dependency", project_factory, fixture_dir
+    )
+    assert isinstance(poetry.locker, TestLocker)
+    poetry.locker.locked(True)
+    tester = command_tester_factory("install", poetry=poetry)
+    if options:
+        tester.execute(options)
+    else:
+        with pytest.raises(ValueError, match="does not exist"):
+            tester.execute(options)