no entry-point discovery

Author: deeleeramone

pywry/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "pywry"
-version = "2.0.0rc1"
+version = "2.0.0rc2"
 description = "A lightweight and blazingly fast, cross-platform, WebView rendering engine and desktop UI toolkit for Python."
 authors = [{ name = "PyWry", email = "pywry2@gmail.com" }]
 license = { text = "Apache 2.0" }

pywry/pywry/__init__.py

@@ -10,10 +10,11 @@
 # enters the Tauri event loop and exits immediately so the developer's
 # application code never runs a second time.  It is a complete no-op in
 # every other situation (normal Python, frozen parent process, etc.).
-from ._freeze import freeze_support
+from ._freeze import freeze_support, setup_pytauri_runtime
 
 
 freeze_support()
+setup_pytauri_runtime()
 
 # pylint: disable=wrong-import-position
 # Inline notebook module - import functions directly

pywry/pywry/_freeze.py

@@ -102,6 +102,20 @@ def _setup_pytauri_standalone() -> None:
     sys._pytauri_standalone = True  # type: ignore[attr-defined]
 
 
+def setup_pytauri_runtime() -> None:
+    """Configure pytauri extension loading for all runtime modes.
+
+    Pytauri discovers its native extension via the ``pytauri`` entry-point
+    group. If both the standalone ``pytauri-wheel`` package and PyWry are
+    installed, discovery can yield multiple ``ext_mod`` providers and abort.
+
+    To keep startup deterministic, pre-register the extension module through
+    pytauri's standalone mechanism before any ``import pytauri`` happens.
+    This is safe and idempotent in normal and frozen environments.
+    """
+    _setup_pytauri_standalone()
+
+
 def freeze_support() -> None:
     """Handle subprocess re-entry in frozen executables.
 
@@ -123,7 +137,7 @@ def freeze_support() -> None:
     # Pre-register pytauri's native extension to bypass entry-point
     # discovery, which fails in frozen builds when .dist-info metadata
     # is not preserved.  This must run BEFORE any ``import pytauri``.
-    _setup_pytauri_standalone()
+    setup_pytauri_runtime()
 
     if os.environ.get("PYWRY_IS_SUBPROCESS") != "1":
         return

pywry/tests/test_freeze.py

@@ -204,9 +204,9 @@ def test_idempotent(self) -> None:
                 sys.modules.pop("__pytauri_ext_mod__", None)
 
     def test_freeze_support_calls_setup_in_frozen_mode(self) -> None:
-        """freeze_support() must call _setup_pytauri_standalone when frozen."""
+        """freeze_support() must call setup_pytauri_runtime when frozen."""
         source = inspect.getsource(freeze_support)
-        assert "_setup_pytauri_standalone" in source
+        assert "setup_pytauri_runtime" in source
 
 
 # ── PyInstaller hook validation ───────────────────────────────────────