code: def fill_package_digests(generated_project: Project) -> Project:
      
      for package_version in chain(generated_project.pipfile_lock.packages, generated_project.pipfile_lock.dev_packages):
          if package_version.hashes:
              # Already filled from the last run.
              continue
  
          if package_version.index:
              scanned_hashes = package_version.index.get_package_hashes(
                  package_version.name, package_version.locked_version
              )
          else:
              for source in generated_project.pipfile.meta.sources.values():
                  try:
                      scanned_hashes = source.get_package_hashes(package_version.name, package_version.locked_version)
                      break
                  except Exception:
                      continue
              else:
                  raise ValueError("Unable to find package hashes")
  
          for entry in scanned_hashes:
              package_version.hashes.append("sha256:" + entry["sha256"])
  
      return generated_project
docs: Temporary fill package digests stated in Pipfile.lock.