fix: expose name of module instead of SimpleNamespace

Author: 1drturtle

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "avrae-ls"
-version = "0.9.6"
+version = "0.10.0"
 description = "Language server for Avrae draconic aliases"
 authors = [
   { name = "1drturtle" }

src/avrae_ls/runtime/errors.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import re
+import ast
 from dataclasses import asdict, dataclass
 from typing import Any
 
@@ -253,11 +254,45 @@ def _error_line_col(error: BaseException) -> tuple[int | None, int | None]:
 
 
 def _error_message(error: BaseException) -> str:
+    module_attr_message = _module_attribute_error_message(error)
+    if module_attr_message is not None:
+        return module_attr_message
     if isinstance(error, draconic.DraconicException):
         return str(error.msg)
     return str(error)
 
 
+def _module_attribute_error_message(error: BaseException) -> str | None:
+    if not isinstance(error, draconic.NotDefined):
+        return None
+    message = str(error.msg)
+    attr_match = re.fullmatch(r"'SimpleNamespace' object has no attribute (.+)", message)
+    if attr_match is None:
+        return None
+
+    node = getattr(error, "node", None)
+    if not isinstance(node, ast.Attribute):
+        return None
+
+    module_name = _module_attribute_base_name(node.value, getattr(error, "expr", None))
+    if module_name is None:
+        return None
+    return f"Module '{module_name}' has no attribute '{attr_match.group(1)}'"
+
+
+def _module_attribute_base_name(node: ast.AST, expr: Any) -> str | None:
+    if isinstance(node, ast.Name):
+        return node.id
+    if isinstance(expr, str):
+        segment = ast.get_source_segment(expr, node)
+        if segment:
+            return segment
+    try:
+        return ast.unparse(node)
+    except Exception:
+        return None
+
+
 def _kind_for_error(error: BaseException) -> str:
     if _circular_import_details(error) is not None:
         return "circular_import"

tests/test_runtime_errors.py

@@ -91,6 +91,19 @@ async def test_nested_module_function_error_details_use_module_sources(tmp_path:
     assert details.cause and "Expecting value" in details.cause
 
 
+@pytest.mark.asyncio
+async def test_module_missing_attribute_error_uses_local_binding_name(tmp_path: Path):
+    resolver = _resolver(tmp_path, {"abc123": "value = 1"})
+
+    result = await MockExecutor().run('using(local_mod="abc123")\nlocal_mod.missing', _ctx(), resolver)
+
+    assert result.error is not None
+    details = runtime_error_details(result.error)
+    assert details.kind == "runtime"
+    assert details.message == "Module 'local_mod' has no attribute 'missing'"
+    assert "SimpleNamespace" not in details.message
+
+
 @pytest.mark.asyncio
 async def test_circular_import_error_details(tmp_path: Path):
     resolver = _resolver(

uv.lock

@@ -2,7 +2,7 @@
   "name": "avrae-ls-client",
   "displayName": "Avrae Draconic Alias Language Server",
   "description": "VS Code client for avrae-ls (draconic alias diagnostics and mock execution).",
-  "version": "0.9.6",
+  "version": "0.10.0",
   "engines": {
     "vscode": "^1.84.0"
   },