More fixes

Signed-off-by: Bernát Gábor <bgabor8@bloomberg.net>

src/tox/tox_env/python/virtual_env/package/pyproject.py

@@ -162,8 +162,6 @@ def _setup_env(self) -> None:
         if "wheel" in self.call_require_hooks:
             self._setup_build_requires("wheel")
         if "editable" in self.call_require_hooks:
-            if not self._frontend.optional_hooks["build_editable"]:
-                raise BuildEditableNotSupportedError
             self._setup_build_requires("editable")
 
     def _setup_build_requires(self, of_type: str) -> None:
@@ -188,13 +186,12 @@ def _teardown(self) -> None:
 
     def perform_packaging(self, for_env: EnvConfigSet) -> list[Package]:
         """Build the package to install."""
-        try:
-            deps = self._load_deps(for_env)
-        except BuildEditableNotSupportedError:
+
+        if "editable" in self.builds and not self._frontend.optional_hooks["build_editable"]:
             targets = [e for e in self.builds.pop("editable") if e["package"] == "editable"]
             names = ", ".join(sorted({t.env_name for t in targets if t.env_name}))
 
-            logging.error(  # noqa: TRY400
+            logging.error(
                 "package config for %s is editable, however the build backend %s does not support PEP-660, falling "
                 "back to editable-legacy - change your configuration to it",
                 names,
@@ -203,7 +200,8 @@ def perform_packaging(self, for_env: EnvConfigSet) -> list[Package]:
             for env in targets:
                 env._defined["package"].value = "editable-legacy"  # type: ignore[attr-defined]  # noqa: SLF001
                 self.builds["editable-legacy"].append(env)
-            deps = self._load_deps(for_env)
+
+        deps = self._load_deps(for_env)
         of_type: str = for_env["package"]
         if of_type == "editable-legacy":
             self.setup()
@@ -338,7 +336,7 @@ def __init__(self, root: Path, env: Pep517VirtualEnvPackager) -> None:
         into: dict[str, Any] = {}
 
         for hook in chain(
-            (f"get_requires_for_build_{build_type}" for build_type in ["editable", "wheel"]),
+            (f"get_requires_for_build_{build_type}" for build_type in ["editable", "wheel", "sdist"]),
             (f"prepare_metadata_for_build_{build_type}" for build_type in ["editable", "wheel"]),
             (f"build_{build_type}" for build_type in ["editable", "sdist", "wheel"]),
         ):  # wrap build methods in a cache wrapper