fix: resolve C# parser availability for tree-sitter-language-pack >=0.13.0

pyproject.toml

@@ -24,7 +24,7 @@ dependencies = [
     "inquirerpy>=0.3.4",
     "python-dotenv>=1.0.0",
     "tree-sitter>=0.21.0",
-    "tree-sitter-language-pack>=0.6.0",
+    "tree-sitter-language-pack>=0.13.0",
     "pyyaml",
     "pytest",
     "nbformat",
@@ -39,7 +39,7 @@ dependencies = [
 [project.optional-dependencies]
 parsing = [
     "tree-sitter>=0.21.0",
-    "tree-sitter-language-pack>=0.6.0",
+    "tree-sitter-language-pack>=0.13.0",
 ]
 dev = [
     "pytest>=7.4.0",

src/codegraphcontext/tools/graph_builder.py

@@ -101,40 +101,54 @@ def __init__(self, db_manager: DatabaseManager, job_manager: JobManager, loop: a
         self.job_manager = job_manager
         self.loop = loop
         self.driver = self.db_manager.get_driver()
-        self.parsers = {
-            '.py': TreeSitterParser('python'),
-            '.ipynb': TreeSitterParser('python'),
-            '.js': TreeSitterParser('javascript'),
-            '.jsx': TreeSitterParser('javascript'),
-            '.mjs': TreeSitterParser('javascript'),
-            '.cjs': TreeSitterParser('javascript'),
-            '.go': TreeSitterParser('go'),
-            '.ts': TreeSitterParser('typescript'),
-            '.tsx': TreeSitterParser('typescript'),
-            '.cpp': TreeSitterParser('cpp'),
-            '.h': TreeSitterParser('cpp'),
-            '.hpp': TreeSitterParser('cpp'),
-            '.hh': TreeSitterParser('cpp'),
-            '.rs': TreeSitterParser('rust'),
-            '.c': TreeSitterParser('c'),
-            # '.h': TreeSitterParser('c'), # Need to write an algo for distinguishing C vs C++ headers
-            '.java': TreeSitterParser('java'),
-            '.rb': TreeSitterParser('ruby'),
-            '.cs': TreeSitterParser('c_sharp'),
-            '.php': TreeSitterParser('php'),
-            '.kt': TreeSitterParser('kotlin'),
-            '.scala': TreeSitterParser('scala'),
-            '.sc': TreeSitterParser('scala'),
-            '.swift': TreeSitterParser('swift'),
-            '.hs': TreeSitterParser('haskell'),
-            '.dart': TreeSitterParser('dart'),
-            '.pl': TreeSitterParser('perl'),
-            '.pm': TreeSitterParser('perl'),
-            '.ex': TreeSitterParser('elixir'),
-            '.exs': TreeSitterParser('elixir'),
+        raw_parsers = {
+            '.py': 'python',
+            '.ipynb': 'python',
+            '.js': 'javascript',
+            '.jsx': 'javascript',
+            '.mjs': 'javascript',
+            '.cjs': 'javascript',
+            '.go': 'go',
+            '.ts': 'typescript',
+            '.tsx': 'typescript',
+            '.cpp': 'cpp',
+            '.h': 'cpp',
+            '.hpp': 'cpp',
+            '.hh': 'cpp',
+            '.rs': 'rust',
+            '.c': 'c',
+            # '.h': 'c', # Need to write an algo for distinguishing C vs C++ headers
+            '.java': 'java',
+            '.rb': 'ruby',
+            '.cs': 'c_sharp',
+            '.php': 'php',
+            '.kt': 'kotlin',
+            '.scala': 'scala',
+            '.sc': 'scala',
+            '.swift': 'swift',
+            '.hs': 'haskell',
+            '.dart': 'dart',
+            '.pl': 'perl',
+            '.pm': 'perl',
+            '.ex': 'elixir',
+            '.exs': 'elixir',
         }
+        self.parsers = {}
+        for ext, lang in raw_parsers.items():
+            parser = self._make_parser_safe(lang)
+            if parser is not None:
+                self.parsers[ext] = parser
         self.create_schema()
 
+    @staticmethod
+    def _make_parser_safe(lang: str) -> Optional['TreeSitterParser']:
+        """Try to construct a TreeSitterParser for *lang*, returning None on failure."""
+        try:
+            return TreeSitterParser(lang)
+        except Exception as e:
+            warning_logger(f"Skipping parser for '{lang}': {e}")
+            return None
+
     # A general schema creation based on common features across languages
     def create_schema(self):
         """Create constraints and indexes in Neo4j."""

src/codegraphcontext/utils/tree_sitter_manager.py

@@ -128,22 +128,37 @@ def get_language_safe(self, lang: str) -> Language:
                 return self._language_cache[canonical_name]
 
             try:
-                # Special handling for C# which is available as tree_sitter_c_sharp
+                # tree-sitter-language-pack changed its C# key across major versions:
+                #   0.x (>=0.13.0): uses "csharp"  (delegates to tree-sitter-c-sharp pkg)
+                #   1.x:            uses "c_sharp"  (native binary, no separate pkg)
+                # Try both names so the loader is version-agnostic.
+                # All other languages use a stable name matching our canonical form.
                 if canonical_name == "c_sharp":
-                    import tree_sitter_c_sharp
-                    # tree_sitter_c_sharp.language() returns a PyCapsule, wrap it in Language
-                    capsule = tree_sitter_c_sharp.language()
-                    language = Language(capsule)
+                    for pack_name in ("c_sharp", "csharp"):
+                        try:
+                            language = get_language(pack_name)
+                            break
+                        except Exception:
+                            continue
+                    else:
+                        raise ValueError(
+                            "Language 'c_sharp' (C#) is not available. "
+                            "Ensure tree-sitter-language-pack>=0.13.0 is installed "
+                            "(earlier versions do not ship the C# grammar)."
+                        )
                 else:
                     # Load the language from tree-sitter-language-pack
                     language = get_language(canonical_name)
-                
+
                 self._language_cache[canonical_name] = language
                 return language
-            except (KeyError, ModuleNotFoundError):
+            except ValueError:
+                raise  # pass through ValueError unchanged (ours or pack's LanguageNotFoundError)
+            except (KeyError, LookupError, ModuleNotFoundError) as e:
                 raise ValueError(
-                    f"Language '{canonical_name}' is not available in tree-sitter-language-pack. "
-                    f"This may be due to a missing or experimental grammar."
+                    f"Language '{canonical_name}' is not available. "
+                    f"Ensure tree-sitter-language-pack>=0.13.0 is installed. "
+                    f"Error: {e}"
                 )
             except Exception as e:
                 raise Exception(