every Repository is named

src/poetry/console/commands/debug/resolve.py

@@ -86,7 +86,7 @@ def handle(self) -> int:
 
         pool = self.poetry.pool
 
-        solver = Solver(package, pool, Repository(), Repository(), self.io)
+        solver = Solver(package, pool, [], [], self.io)
 
         ops = solver.solve().calculate_operations()
 
@@ -99,13 +99,12 @@ def handle(self) -> int:
             show_command.init_styles(self.io)
 
             packages = [op.package for op in ops]
-            repo = Repository(packages=packages)
 
             requires = package.all_requires
-            for pkg in repo.packages:
+            for pkg in packages:
                 for require in requires:
                     if pkg.name == require.name:
-                        show_command.display_package_tree(self.io, pkg, repo)
+                        show_command.display_package_tree(self.io, pkg, packages)
                         break
 
             return 0
@@ -117,13 +116,13 @@ def handle(self) -> int:
         if self.option("install"):
             env = EnvManager(self.poetry).get()
             pool = Pool()
-            locked_repository = Repository()
+            locked_repository = Repository("poetry-locked")
             for op in ops:
                 locked_repository.add_package(op.package)
 
             pool.add_repository(locked_repository)
 
-            solver = Solver(package, pool, Repository(), Repository(), NullIO())
+            solver = Solver(package, pool, [], [], NullIO())
             with solver.use_environment(env):
                 ops = solver.solve().calculate_operations()
 

src/poetry/console/commands/show.py

@@ -19,7 +19,6 @@
     from poetry.core.packages.package import Package
     from poetry.core.packages.project_package import ProjectPackage
 
-    from poetry.repositories.installed_repository import InstalledRepository
     from poetry.repositories.repository import Repository
 
 
@@ -79,7 +78,6 @@ def handle(self) -> int:
         from poetry.puzzle.solver import Solver
         from poetry.repositories.installed_repository import InstalledRepository
         from poetry.repositories.pool import Pool
-        from poetry.repositories.repository import Repository
         from poetry.utils.helpers import get_package_version_display_string
 
         package = self.argument("package")
@@ -124,7 +122,7 @@ def handle(self) -> int:
             for p in packages:
                 for require in requires:
                     if p.name == require.name:
-                        self.display_package_tree(self.io, p, locked_repo)
+                        self.display_package_tree(self.io, p, packages)
                         break
 
             return 0
@@ -136,8 +134,8 @@ def handle(self) -> int:
         solver = Solver(
             root,
             pool=pool,
-            installed=Repository(),
-            locked=locked_repo,
+            installed=[],
+            locked=locked_packages,
             io=NullIO(),
         )
         solver.provider.load_deferred(False)
@@ -179,11 +177,11 @@ def handle(self) -> int:
 
                     for p in packages:
                         self.display_package_tree(
-                            self.io, p, locked_repo, why_package=pkg
+                            self.io, p, locked_packages, why_package=pkg
                         )
 
                 else:
-                    self.display_package_tree(self.io, pkg, locked_repo)
+                    self.display_package_tree(self.io, pkg, locked_packages)
 
                 return 0
 
@@ -229,7 +227,9 @@ def handle(self) -> int:
 
             current_length = len(locked.pretty_name)
             if not self.io.output.is_decorated():
-                installed_status = self.get_installed_status(locked, installed_repo)
+                installed_status = self.get_installed_status(
+                    locked, installed_repo.packages
+                )
 
                 if installed_status == "not-installed":
                     current_length += 4
@@ -305,7 +305,9 @@ def handle(self) -> int:
 
                 color = "black;options=bold"
             else:
-                installed_status = self.get_installed_status(locked, installed_repo)
+                installed_status = self.get_installed_status(
+                    locked, installed_repo.packages
+                )
                 if installed_status == "not-installed":
                     color = "red"
 
@@ -376,7 +378,7 @@ def display_package_tree(
         self,
         io: IO,
         package: Package,
-        installed_repo: Repository,
+        installed_packages: list[Package],
         why_package: Package | None = None,
     ) -> None:
         io.write(f"<c1>{package.pretty_name}</c1>")
@@ -413,22 +415,27 @@ def display_package_tree(
             packages_in_tree = [package.name, dependency.name]
 
             self._display_tree(
-                io, dependency, installed_repo, packages_in_tree, tree_bar, level + 1
+                io,
+                dependency,
+                installed_packages,
+                packages_in_tree,
+                tree_bar,
+                level + 1,
             )
 
     def _display_tree(
         self,
         io: IO,
         dependency: Dependency,
-        installed_repo: Repository,
+        installed_packages: list[Package],
         packages_in_tree: list[str],
         previous_tree_bar: str = "├",
         level: int = 1,
     ) -> None:
         previous_tree_bar = previous_tree_bar.replace("├", "│")
 
         dependencies = []
-        for package in installed_repo.packages:
+        for package in installed_packages:
             if package.name == dependency.name:
                 dependencies = package.requires
 
@@ -464,7 +471,12 @@ def _display_tree(
                 current_tree.append(dependency.name)
 
                 self._display_tree(
-                    io, dependency, installed_repo, current_tree, tree_bar, level + 1
+                    io,
+                    dependency,
+                    installed_packages,
+                    current_tree,
+                    tree_bar,
+                    level + 1,
                 )
 
     def _write_tree_line(self, io: IO, line: str) -> None:
@@ -531,9 +543,9 @@ def get_update_status(self, latest: Package, package: Package) -> str:
         return "update-possible"
 
     def get_installed_status(
-        self, locked: Package, installed_repo: InstalledRepository
+        self, locked: Package, installed_packages: list[Package]
     ) -> str:
-        for package in installed_repo.packages:
+        for package in installed_packages:
             if locked.name == package.name:
                 return "installed"
 

src/poetry/installation/installer.py

@@ -193,8 +193,8 @@ def _do_refresh(self) -> int:
         solver = Solver(
             self._package,
             self._pool,
-            locked_repository,
-            locked_repository,
+            locked_repository.packages,
+            locked_repository.packages,
             self._io,
         )
 
@@ -213,7 +213,7 @@ def _do_refresh(self) -> int:
     def _do_install(self) -> int:
         from poetry.puzzle.solver import Solver
 
-        locked_repository = Repository()
+        locked_repository = Repository("poetry-locked")
         if self._update:
             if self._locker.is_locked() and not self._lock:
                 locked_repository = self._locker.locked_repository()
@@ -233,8 +233,8 @@ def _do_install(self) -> int:
             solver = Solver(
                 self._package,
                 self._pool,
-                self._installed_repository,
-                locked_repository,
+                self._installed_repository.packages,
+                locked_repository.packages,
                 self._io,
             )
 
@@ -291,15 +291,19 @@ def _do_install(self) -> int:
 
         # Making a new repo containing the packages
         # newly resolved and the ones from the current lock file
-        repo = Repository()
+        repo = Repository("poetry-repo")
         for package in lockfile_repo.packages + locked_repository.packages:
             if not package.is_direct_origin() and not repo.has_package(package):
                 repo.add_package(package)
 
         pool.add_repository(repo)
 
         solver = Solver(
-            root, pool, self._installed_repository, locked_repository, NullIO()
+            root,
+            pool,
+            self._installed_repository.packages,
+            locked_repository.packages,
+            NullIO(),
         )
         # Everything is resolved at this point, so we no longer need
         # to load deferred dependencies (i.e. VCS, URL and path dependencies)

src/poetry/packages/locker.py

@@ -103,10 +103,10 @@ def locked_repository(self) -> Repository:
         from poetry.repositories import Repository
 
         if not self.is_locked():
-            return Repository()
+            return Repository("poetry-locked")
 
         lock_data = self.lock_data
-        packages = Repository()
+        packages = Repository("poetry-locked")
         locked_packages = cast("list[dict[str, Any]]", lock_data["package"])
 
         if not locked_packages:

src/poetry/puzzle/provider.py

@@ -53,7 +53,6 @@
     from poetry.core.version.markers import BaseMarker
 
     from poetry.repositories import Pool
-    from poetry.repositories import Repository
     from poetry.utils.env import Env
 
 
@@ -128,7 +127,7 @@ def __init__(
         pool: Pool,
         io: IO,
         env: Env | None = None,
-        installed: Repository | None = None,
+        installed: list[Package] | None = None,
     ) -> None:
         self._package = package
         self._pool = pool
@@ -141,7 +140,7 @@ def __init__(
         self._deferred_cache: dict[Dependency, Package] = {}
         self._load_deferred = True
         self._source_root: Path | None = None
-        self._installed = installed
+        self._installed_packages = installed if installed is not None else []
 
     @property
     def pool(self) -> Pool:
@@ -202,7 +201,7 @@ def search_for_installed_packages(
         This is useful when dealing with packages that are under development, not
         published on package sources and/or only available via system installations.
         """
-        if not self._installed:
+        if not self._installed_packages:
             return []
 
         logger.debug(
@@ -211,7 +210,7 @@ def search_for_installed_packages(
         )
         packages = [
             package
-            for package in self._installed.packages
+            for package in self._installed_packages
             if package.provides(specification)
         ]
         logger.debug(

src/poetry/puzzle/solver.py

@@ -29,7 +29,6 @@
 
     from poetry.puzzle.transaction import Transaction
     from poetry.repositories import Pool
-    from poetry.repositories import Repository
     from poetry.utils.env import Env
 
 
@@ -38,15 +37,15 @@ def __init__(
         self,
         package: ProjectPackage,
         pool: Pool,
-        installed: Repository,
-        locked: Repository,
+        installed: list[Package],
+        locked: list[Package],
         io: IO,
         provider: Provider | None = None,
     ) -> None:
         self._package = package
         self._pool = pool
-        self._installed = installed
-        self._locked = locked
+        self._installed_packages = installed
+        self._locked_packages = locked
         self._io = io
 
         if provider is None:
@@ -85,9 +84,9 @@ def solve(self, use_latest: list[str] | None = None) -> Transaction:
                 )
 
         return Transaction(
-            self._locked.packages,
+            self._locked_packages,
             list(zip(packages, depths)),
-            installed_packages=self._installed.packages,
+            installed_packages=self._installed_packages,
             root_package=self._package,
         )
 
@@ -129,7 +128,7 @@ def _solve(
             self._overrides.append(self._provider._overrides)
 
         locked: dict[str, list[DependencyPackage]] = defaultdict(list)
-        for package in self._locked.packages:
+        for package in self._locked_packages:
             locked[package.name].append(
                 DependencyPackage(package.to_dependency(), package)
             )

src/poetry/repositories/installed_repository.py

@@ -33,6 +33,9 @@
 
 
 class InstalledRepository(Repository):
+    def __init__(self) -> None:
+        super().__init__("poetry-installed")
+
     @classmethod
     def get_package_paths(cls, env: Env, name: str) -> set[Path]:
         """

src/poetry/repositories/lockfile_repository.py

@@ -15,6 +15,9 @@ class LockfileRepository(Repository):
     but also by source type, url, etc.
     """
 
+    def __init__(self) -> None:
+        super().__init__("poetry-lockfile")
+
     def has_package(self, package: Package) -> bool:
         return any(p == package for p in self.packages)