make dependency cache compatible with core 1.1.0a7

This change is required to allow for subdirectories.

pyproject.toml

@@ -130,6 +130,7 @@ ignore_errors = true
 module = [
   'poetry.installation.executor',
   'poetry.repositories.installed_repository',
+  'poetry.mixology.version_solver',
 ]
 warn_unused_ignores = false
 

src/poetry/mixology/version_solver.py

@@ -19,6 +19,7 @@ from poetry.mixology.result import SolverResult
 from poetry.mixology.set_relation import SetRelation
 from poetry.mixology.term import Term
 from poetry.packages import DependencyPackage
+from poetry.utils._compat import metadata
 
 
 if TYPE_CHECKING:
@@ -44,7 +45,14 @@ class DependencyCache:
         self.cache: dict[
             tuple[str, str | None, str | None, str | None], list[DependencyPackage]
         ] = {}
-        self.search_for = functools.lru_cache(maxsize=128)(self._search_for)
+
+        # TODO: re-enable cache when poetry-core upgrade is completed
+        self.search_for = functools.lru_cache(
+            maxsize=128
+            if metadata.version("poetry-core")  # type: ignore[no-untyped-call]
+            != "1.1.0a7"
+            else 0
+        )(self._search_for)
 
     def _search_for(self, dependency: Dependency) -> list[DependencyPackage]:
         key = (

src/poetry/puzzle/provider.py

@@ -236,6 +236,7 @@ class Provider:
         Basically, we clone the repository in a temporary directory
         and get the information we need by checking out the specified reference.
         """
+        # TODO: remove explicit subdirectory check once poetry-core is updated
         # we ensure subdirectory match here as workaround until poetry-core is updated
         # to >1.1.0a7
         if (

tests/mixology/version_solver/test_dependency_cache.py

@@ -4,6 +4,7 @@ from typing import TYPE_CHECKING
 
 from poetry.factory import Factory
 from poetry.mixology.version_solver import DependencyCache
+from tests.compat import is_poetry_core_1_1_0a7_compat
 from tests.mixology.helpers import add_to_repo
 
 
@@ -37,8 +38,9 @@ def test_solver_dependency_cache_respects_source_type(
     packages_pypi = cache.search_for(dependency_pypi)
     packages_git = cache.search_for(dependency_git)
 
-    assert cache.search_for.cache_info().hits == 2
-    assert cache.search_for.cache_info().currsize == 2
+    if not is_poetry_core_1_1_0a7_compat:
+        assert cache.search_for.cache_info().hits == 2
+        assert cache.search_for.cache_info().currsize == 2
 
     assert len(packages_pypi) == len(packages_git) == 1
     assert packages_pypi != packages_git