fix: rewrite exporters to match exact native formats

scripts/exporter/retrobat_exporter.py

@@ -1,13 +1,25 @@
-"""Exporter for RetroBat batocera-systems.json format."""
+"""Exporter for RetroBat batocera-systems.json format.
+
+Produces JSON matching the exact format of
+RetroBat-Official/emulatorlauncher/batocera-systems/Resources/batocera-systems.json:
+- System keys with "name" and "biosFiles" fields
+- Each biosFile has "md5" before "file" (matching original key order)
+"""
 
 from __future__ import annotations
 
 import json
+from collections import OrderedDict
 from pathlib import Path
 
 from .base_exporter import BaseExporter
 
 
+def _slug_to_display(slug: str) -> str:
+    """Convert slug to display name."""
+    return slug.replace("-", " ").title()
+
+
 class Exporter(BaseExporter):
     """Export truth data to RetroBat batocera-systems.json format."""
 
@@ -22,13 +34,17 @@ class Exporter(BaseExporter):
         scraped_data: dict | None = None,
     ) -> None:
         native_map: dict[str, str] = {}
+        display_map: dict[str, str] = {}
         if scraped_data:
             for sys_id, sys_data in scraped_data.get("systems", {}).items():
                 nid = sys_data.get("native_id")
                 if nid:
                     native_map[sys_id] = nid
+                dname = sys_data.get("name")
+                if dname:
+                    display_map[sys_id] = dname
 
-        output: dict[str, dict] = {}
+        output: OrderedDict[str, dict] = OrderedDict()
 
         systems = truth_data.get("systems", {})
         for sys_id in sorted(systems):
@@ -38,24 +54,30 @@ class Exporter(BaseExporter):
                 continue
 
             native_id = native_map.get(sys_id, sys_id)
-            bios_files: list[dict] = []
+            display_name = display_map.get(sys_id, _slug_to_display(sys_id))
+            bios_files: list[OrderedDict] = []
 
             for fe in files:
                 name = fe.get("name", "")
-                if name.startswith("_"):
+                if name.startswith("_") or self._is_pattern(name):
                     continue
                 dest = fe.get("destination", name)
                 md5 = fe.get("md5", "")
                 if isinstance(md5, list):
                     md5 = md5[0] if md5 else ""
 
-                entry = {"file": f"bios/{dest}"}
+                # Original format has md5 before file
+                entry: OrderedDict[str, str] = OrderedDict()
                 if md5:
                     entry["md5"] = md5
+                entry["file"] = f"bios/{dest}"
                 bios_files.append(entry)
 
             if bios_files:
-                output[native_id] = {"biosFiles": bios_files}
+                sys_entry: OrderedDict[str, object] = OrderedDict()
+                sys_entry["name"] = display_name
+                sys_entry["biosFiles"] = bios_files
+                output[native_id] = sys_entry
 
         Path(output_path).write_text(
             json.dumps(output, indent=2, ensure_ascii=False) + "\n",
@@ -69,7 +91,6 @@ class Exporter(BaseExporter):
         for sys_data in data.values():
             for bf in sys_data.get("biosFiles", []):
                 path = bf.get("file", "")
-                # Strip bios/ prefix, index both full path and basename
                 stripped = path.removeprefix("bios/")
                 exported_files.add(stripped)
                 basename = path.split("/")[-1] if "/" in path else path
@@ -79,7 +100,7 @@ class Exporter(BaseExporter):
         for sys_data in truth_data.get("systems", {}).values():
             for fe in sys_data.get("files", []):
                 name = fe.get("name", "")
-                if name.startswith("_"):
+                if name.startswith("_") or self._is_pattern(name):
                     continue
                 dest = fe.get("destination", name)
                 if name not in exported_files and dest not in exported_files: