Create blenderbim_redirect.py

src/blenderbim/scripts/blenderbim_redirect.py

@@ -0,0 +1,51 @@
+import importlib
+import bpy
+import types
+from typing import Any
+
+
+BBIM = None
+MODULE_CACHE = {}
+
+
+def __getattr__(name: str):
+    bbim = find_blenderbim_package()
+    return getattr(bbim, name)
+
+
+class Wrapper:
+    def __init__(self, module):
+        self.module = module
+
+    def __getattribute__(self, name: str):
+        module = object.__getattribute__(self, "module")
+        try:
+            attr = getattr(module, name)
+            return attr
+        except AttributeError:
+            pass
+
+        # I guess it's a submodule.
+        name = f"{module.__name__}.{name}"
+        return get_wrapped_module(name)
+
+    def __dir__(self):
+        return dir(self.module)
+
+
+def get_wrapped_module(name: str) -> Wrapper:
+    module = MODULE_CACHE.get(name)
+    if module:
+        return module
+    return Wrapper(importlib.import_module(name))
+
+
+def find_blenderbim_package() -> types.ModuleType:
+    global BBIM
+    if BBIM is not None:
+        return BBIM
+    for package_name in bpy.context.preferences.addons.keys():
+        if package_name.endswith(".blenderbim"):
+            BBIM = Wrapper(importlib.import_module(package_name))
+            return BBIM
+    raise Exception("blenderbim is not found.")