fix pnpm-workspace.yaml packages:'.' crash on Python 3.10 (closes #1083)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

graphify/extract.py

@@ -53,6 +53,9 @@ def _safe_extract(extractor: Callable, path: Path) -> dict:
         print(f"  warning: skipped {path} (recursion limit exceeded)", file=sys.stderr, flush=True)
         return {"nodes": [], "edges": [], "error": "recursion_limit_exceeded"}
     except Exception as e:
+        if os.environ.get("GRAPHIFY_DEBUG"):
+            import traceback
+            traceback.print_exc(file=sys.stderr)
         print(f"  warning: skipped {path} ({type(e).__name__}: {e})", file=sys.stderr, flush=True)
         return {"nodes": [], "edges": [], "error": f"{type(e).__name__}: {e}"}
 
@@ -307,7 +310,8 @@ def _load_workspace_packages(start_dir: Path) -> dict[str, Path]:
 
     packages: dict[str, Path] = {}
     for pattern in _workspace_globs(root / "pnpm-workspace.yaml"):
-        for package_dir in root.glob(pattern):
+        package_dirs: list[Path] = [root] if pattern in (".", "./") else list(root.glob(pattern))
+        for package_dir in package_dirs:
             manifest = package_dir / "package.json"
             if not manifest.is_file():
                 continue

tests/test_js_import_resolution.py

@@ -425,6 +425,30 @@ def test_workspace_package_cache_refreshes_between_extract_calls(tmp_path: Path)
     assert _has_edge(second, "apps/web/src/page.ts", "packages/types/src/index.ts")
 
 
+def test_pnpm_workspace_dot_package_does_not_crash(tmp_path: Path):
+    """packages: - '.' in pnpm-workspace.yaml must not raise IndexError on any Python version."""
+    _write(
+        tmp_path / "pnpm-workspace.yaml",
+        "packages:\n  - '.'\n  - 'examples/*'\n",
+    )
+    _write(
+        tmp_path / "package.json",
+        json.dumps({"name": "my-app"}),
+    )
+    src = _write(
+        tmp_path / "index.ts",
+        "import { foo } from 'my-app';\n",
+    )
+
+    result = _extract_for([src], tmp_path)
+
+    nodes = result.get("nodes", [])
+    assert isinstance(nodes, list)
+    for node in nodes:
+        error = node.get("error", "") if isinstance(node, dict) else ""
+        assert "IndexError" not in error
+
+
 def test_ts_type_relationships_and_contexts(tmp_path: Path):
     base = _write(
         tmp_path / "src/lib/base.ts",