perf: remove redundant project_root_path.resolve() from hot path

Resolve project root paths once at construction time (TestConfig.__post_init__,
FunctionOptimizer.__init__, filter_functions entry) instead of on every call to
module_name_from_file_path — eliminating ~776 redundant filesystem syscalls.

Author: KRRT7

codeflash/code_utils/code_utils.py

@@ -340,7 +340,7 @@ def get_qualified_name(module_name: str, full_qualified_name: str) -> str:
 
 def module_name_from_file_path(file_path: Path, project_root_path: Path, *, traverse_up: bool = False) -> str:
     try:
-        relative_path = file_path.resolve().relative_to(project_root_path.resolve())
+        relative_path = file_path.resolve().relative_to(project_root_path)
         return relative_path.with_suffix("").as_posix().replace("/", ".")
     except ValueError:
         if traverse_up:

codeflash/discovery/functions_to_optimize.py

@@ -836,6 +836,7 @@ def filter_functions(
     *,
     disable_logs: bool = False,
 ) -> tuple[dict[Path, list[FunctionToOptimize]], int]:
+    resolved_project_root = project_root.resolve()
     filtered_modified_functions: dict[str, list[FunctionToOptimize]] = {}
     blocklist_funcs = get_blocklisted_functions()
     logger.debug(f"Blocklisted functions: {blocklist_funcs}")
@@ -912,7 +913,7 @@ def is_test_file(file_path_normalized: str) -> bool:
         lang_support = get_language_support(Path(file_path))
         if lang_support.language == Language.PYTHON:
             try:
-                ast.parse(f"import {module_name_from_file_path(Path(file_path), project_root)}")
+                ast.parse(f"import {module_name_from_file_path(Path(file_path), resolved_project_root)}")
             except SyntaxError:
                 malformed_paths_count += 1
                 continue

codeflash/optimization/function_optimizer.py

@@ -443,7 +443,7 @@ def __init__(
         args: Namespace | None = None,
         replay_tests_dir: Path | None = None,
     ) -> None:
-        self.project_root = test_cfg.project_root_path
+        self.project_root = test_cfg.project_root_path.resolve()
         self.test_cfg = test_cfg
         self.aiservice_client = aiservice_client if aiservice_client else AiServiceClient()
         self.function_to_optimize = function_to_optimize
@@ -1451,7 +1451,7 @@ def reformat_code_and_helpers(
         optimized_code = ""
         if optimized_context is not None:
             file_to_code_context = optimized_context.file_to_path()
-            optimized_code = file_to_code_context.get(str(path.relative_to(self.project_root)), "")
+            optimized_code = file_to_code_context.get(str(path.resolve().relative_to(self.project_root)), "")
 
         new_code = format_code(
             self.args.formatter_cmds, path, optimized_code=optimized_code, check_diff=True, exit_on_failure=False

codeflash/verification/verification_utils.py

@@ -158,6 +158,10 @@ class TestConfig:
     _language: Optional[str] = None  # Language identifier for multi-language support
     js_project_root: Optional[Path] = None  # JavaScript project root (directory containing package.json)
 
+    def __post_init__(self) -> None:
+        self.project_root_path = self.project_root_path.resolve()
+        self.tests_project_rootdir = self.tests_project_rootdir.resolve()
+
     @property
     def test_framework(self) -> str:
         """Returns the appropriate test framework based on language.