python server

server/src/lsp_server.py

@@ -0,0 +1,32 @@
+"""Implementation of tool support over LSP."""
+
+from __future__ import annotations
+
+import copy
+import json
+import os
+import pathlib
+import re
+import sys
+import sysconfig
+import traceback
+from typing import Any, Optional, Sequence
+
+
+# **********************************************************
+# Update sys.path before importing any bundled libraries.
+# **********************************************************
+def update_sys_path(path_to_add: str, strategy: str) -> None:
+    """Add given path to `sys.path`."""
+    if path_to_add not in sys.path and os.path.isdir(path_to_add):
+        if strategy == "useBundled":
+            sys.path.insert(0, path_to_add)
+        elif strategy == "fromEnvironment":
+            sys.path.append(path_to_add)
+
+
+# Ensure that we can import LSP libraries, and other bundled libraries.
+update_sys_path(
+    os.fspath(pathlib.Path(__file__).parent.parent / "libs"),
+    os.getenv("LS_IMPORT_STRATEGY", "useBundled"),
+)