Update Files

leenkx/blender/lnx/__init__.py

@@ -0,0 +1,44 @@
+import importlib
+import sys
+import types
+
+# This gets cleared if this package/the __init__ module is reloaded
+_module_cache: dict[str, types.ModuleType] = {}
+
+
+def enable_reload(module_name: str):
+    """Enable reloading for the next time the module with `module_name`
+    is executed.
+    """
+    mod = sys.modules[module_name]
+    setattr(mod, module_name.replace('.', '_') + "_DO_RELOAD_MODULE", True)
+
+
+def is_reload(module_name: str) -> bool:
+    """True if the module  given by `module_name` should reload the
+    modules it imports. This is the case if `enable_reload()` was called
+    for the module before.
+    """
+    mod = sys.modules[module_name]
+    return hasattr(mod, module_name.replace('.', '_') + "_DO_RELOAD_MODULE")
+
+
+def reload_module(module: types.ModuleType) -> types.ModuleType:
+    """Wrapper around importlib.reload() to make sure no module is
+    reloaded twice.
+
+    Make sure to call this function in the same order in which the
+    modules are imported to make sure that the reloading respects the
+    module dependencies. Otherwise modules could depend on other modules
+    that are not yet reloaded.
+
+    If you import classes or functions from a module, make sure to
+    re-import them after the module is reloaded.
+    """
+    mod = _module_cache.get(module.__name__, None)
+
+    if mod is None:
+        mod = importlib.reload(module)
+        _module_cache[module.__name__] = mod
+
+    return mod