fix(resolution): fix a bug that versions with local part can't be fou…

…nd and installed

Close #1093

news/1093.bugfix.md

@@ -0,0 +1 @@
+Fix a bug that candidates with local part in the version can't be found and installed correctly.

pdm/models/repositories.py

@@ -14,7 +14,7 @@
     parse_requirement,
 )
 from pdm.models.search import SearchResultParser
-from pdm.models.specifiers import PySpecSet, get_specifier
+from pdm.models.specifiers import PySpecSet
 from pdm.utils import normalize_name, url_without_fragments
 
 if TYPE_CHECKING:
@@ -198,9 +198,7 @@ def get_hashes(self, candidate: Candidate) -> dict[str, str] | None:
             return None
         if candidate.hashes:
             return candidate.hashes
-        req = dataclasses.replace(
-            candidate.req, specifier=get_specifier(f"=={candidate.version}")
-        )
+        req = candidate.req.as_pinned_version(candidate.version)
         if candidate.req.is_file_or_url:
             matching_candidates: Iterable[Candidate] = [candidate]
         else:

pdm/models/requirements.py

@@ -16,6 +16,7 @@
 from packaging.requirements import Requirement as PackageRequirement
 from packaging.specifiers import SpecifierSet
 from packaging.utils import parse_sdist_filename, parse_wheel_filename
+from packaging.version import parse as parse_version
 from unearth import Link
 
 from pdm.compat import Distribution
@@ -102,7 +103,12 @@ def as_pinned_version(self: T, other_version: str | None) -> T:
         """Return a new requirement with the given pinned version."""
         if self.is_pinned or not other_version:
             return self
-        return dataclasses.replace(self, specifier=get_specifier(f"=={other_version}"))
+        version = parse_version(other_version)
+        normalized = str(version)
+        if version.local:
+            # Remove the local part to accept wider range of prereleases.
+            normalized = normalized.rsplit("+", 1)[0]
+        return dataclasses.replace(self, specifier=get_specifier(f"=={normalized}"))
 
     def _hash_key(self) -> tuple:
         return (