refactor: enhance scan type detection logic and add test case for interlaced 1080i frame class

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "renamer"
-version = "0.8.7"
+version = "0.8.8"
 description = "Terminal-based media file renamer and metadata viewer"
 readme = "README.md"
 requires-python = ">=3.11"

renamer/extractors/mediainfo_extractor.py

@@ -78,9 +78,21 @@ class MediaInfoExtractor:
         if not height or not width:
             return None
         
-        # Check if interlaced
+        # Check if interlaced - try multiple attributes
+        # PyMediaInfo may use different attribute names depending on version
+        scan_type_attr = getattr(self.video_tracks[0], 'scan_type', None)
         interlaced = getattr(self.video_tracks[0], 'interlaced', None)
-        scan_type = 'i' if interlaced == 'Yes' else 'p'
+
+        # Determine scan type from available attributes
+        # Check scan_type first (e.g., "Interlaced", "Progressive", "MBAFF")
+        if scan_type_attr and isinstance(scan_type_attr, str):
+            scan_type = 'i' if 'interlaced' in scan_type_attr.lower() else 'p'
+        # Then check interlaced flag (e.g., "Yes", "No")
+        elif interlaced and isinstance(interlaced, str):
+            scan_type = 'i' if interlaced.lower() in ['yes', 'true', '1'] else 'p'
+        else:
+            # Default to progressive if no information available
+            scan_type = 'p'
         
         # Calculate effective height for frame class determination
         aspect_ratio = 16 / 9

renamer/test/datasets/filenames/filename_patterns.json

@@ -2,6 +2,24 @@
   "description": "Comprehensive test dataset for filename metadata extraction",
   "version": "2.0",
   "test_cases": [
+    {
+      "filename": "Le Jaguar.(1996).[1080i,3ukr,fra].mkv",
+      "expected": {
+        "order": null,
+        "title": "Le Jaguar",
+        "year": "1996",
+        "source": null,
+        "frame_class": "1080i",
+        "hdr": null,
+        "movie_db": null,
+        "special_info": null,
+        "audio_langs": "3ukr,fra",
+        "extension": "mkv"
+      },
+      "testname": "edge-frameclass-001",
+      "category": "edge_cases",
+      "description": "Interlaced 1080i frame class"
+    },
     {
       "filename": "Dumbo.1941.BluRay.1080p.DD5.1.AVC.REMUX.mkv",
       "expected": {

uv.lock

@@ -462,7 +462,7 @@ wheels = [
 
 [[package]]
 name = "renamer"
-version = "0.8.7"
+version = "0.8.8"
 source = { editable = "." }
 dependencies = [
     { name = "langcodes" },