Merge pull request #213 from calchiwo/fix/local-stack-detector

fix: prevent local --stack crash on string tree paths

Author: calchiwo

_version.py

@@ -1 +1 @@
-VERSION = "0.22.0"
+VERSION = "0.22.5"

explain_this_repo/_version.py

@@ -1 +1 @@
-VERSION = "0.22.0"
+VERSION = "0.22.5"

explain_this_repo/cli.py

@@ -13,14 +13,10 @@
 from explain_this_repo.generate import generate_explanation
 from explain_this_repo.github import fetch_languages, fetch_readme, fetch_repo
 from explain_this_repo.local_reader import read_local_repo_signal_files
-from explain_this_repo.prompt import (
-    build_file_prompt,
-    build_file_quick_prompt,
-    build_file_simple_prompt,
-    build_prompt,
-    build_quick_prompt,
-    build_simple_prompt,
-)
+from explain_this_repo.prompt import (build_file_prompt,
+                                      build_file_quick_prompt,
+                                      build_file_simple_prompt, build_prompt,
+                                      build_quick_prompt, build_simple_prompt)
 from explain_this_repo.repo_reader import read_repo_signal_files
 from explain_this_repo.stack_detector import detect_stack
 from explain_this_repo.stack_printer import print_stack
@@ -671,4 +667,4 @@ def _run():
 
 
 if __name__ == "__main__":
-    _run()
+    _run()

explain_this_repo/stack_detector.py

@@ -1,12 +1,14 @@
 from __future__ import annotations
 
-from typing import Dict, List
+from typing import Any, Dict, List
 
 StackReport = Dict[str, List[str]]
 
 
 def detect_stack(
-    languages: Dict[str, int], tree: list[dict], key_files: Dict[str, str]
+    languages: Dict[str, int],
+    tree: list[dict[str, Any] | str],
+    key_files: Dict[str, str],
 ) -> StackReport:
     report: StackReport = {
         "languages": [],
@@ -22,7 +24,10 @@ def detect_stack(
     report["languages"] = sorted(languages.keys())
 
     # --- Package managers ---
-    paths = {item.get("path", "").lower() for item in tree}
+    paths = {
+        item.lower() if isinstance(item, str) else item.get("path", "").lower()
+        for item in tree
+    }
 
     if "pnpm-lock.yaml" in paths:
         report["package_managers"].append("pnpm")

node_version/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "explainthisrepo",
-  "version": "0.22.0",
+  "version": "0.22.5",
   "description": "The fastest way to understand any codebase in plain English. Not blind AI summarization",
   "license": "MIT",
   "type": "module",

node_version/package.json

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "explainthisrepo"
-version = "0.22.0"
+version = "0.22.5"
 description = "The fastest way to understand any codebase in plain English using real project signals. Not blind AI summarization"
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.9,<4.0"