Include hashes for file URLs

Fix #1103

news/1103.bugfix.md

@@ -0,0 +1 @@
+Fix a bug that the hashes for file URLs are not included in the lock file.

pdm/models/repositories.py

@@ -211,13 +211,16 @@ def get_hashes(self, candidate: Candidate) -> dict[str, str] | None:
  matching_candidates: Iterable[Candidate] = [candidate]
  else:
  matching_candidates = self.find_candidates(req, True)
+ result: dict[str, str] = {}
  with self.environment.get_finder(self.sources) as finder:
  self._hash_cache.session = finder.session # type: ignore
- return {
- c.link.filename: self._hash_cache.get_hash(c.link) # type: ignore
- for c in matching_candidates
- if c.link and not c.link.is_vcs
- } or None
+ for c in matching_candidates:
+ link = c.prepare(self.environment).ireq.link
+ if not link or link.is_vcs:
+ continue
+ result[link.filename] = self._hash_cache.get_hash(link)
+
+ return result or None
 
  def dependency_generators(self) -> Iterable[Callable[[Candidate], CandidateInfo]]:
  """Return an iterable of getter functions to get dependencies, which will be