Add diff and utils modules

i18n_guardian/utils/path_utils.py

@@ -0,0 +1,55 @@
+"""Path utilities."""
+
+import os
+from pathlib import Path
+from typing import List
+
+try:
+    import pathspec
+
+    PATHSPEC_AVAILABLE = True
+except ImportError:
+    PATHSPEC_AVAILABLE = False
+
+
+def glob_patterns(patterns: List[str], base_path: Path) -> List[Path]:
+    """Find files matching glob patterns."""
+    if not PATHSPEC_AVAILABLE:
+        return _glob_patterns_fallback(patterns, base_path)
+
+    spec = pathspec.PathSpec.from_lines("gitwildmatch", patterns)
+    matched = []
+
+    for root, _dirs, files in os.walk(base_path):
+        root_path = Path(root)
+
+        for filename in files:
+            file_path = root_path / filename
+            relative_path = file_path.relative_to(base_path)
+
+            if spec.match_file(str(relative_path)):
+                matched.append(file_path)
+
+    return matched
+
+
+def _glob_patterns_fallback(patterns: List[str], base_path: Path) -> List[Path]:
+    """Fallback glob implementation using Path.glob."""
+    matched = []
+
+    for pattern in patterns:
+        matched.extend(base_path.rglob(pattern))
+
+    return sorted(set(matched))
+
+
+def is_ignored(path: Path, ignore_patterns: List[str]) -> bool:
+    """Check if a path should be ignored."""
+    if not PATHSPEC_AVAILABLE:
+        for pattern in ignore_patterns:
+            if path.match(pattern):
+                return True
+        return False
+
+    spec = pathspec.PathSpec.from_lines("gitwildmatch", ignore_patterns)
+    return spec.match_file(str(path))