fix: rewrite exporters to match exact native formats

scripts/exporter/batocera_exporter.py

@@ -1,4 +1,8 @@
-"""Exporter for Batocera batocera-systems format (Python dict)."""
+"""Exporter for Batocera batocera-systems format.
+
+Produces a Python dict matching the exact format of
+batocera-linux/batocera-scripts/scripts/batocera-systems.
+"""
 
 from __future__ import annotations
 
@@ -7,6 +11,11 @@ from pathlib import Path
 from .base_exporter import BaseExporter
 
 
+def _slug_to_display(slug: str) -> str:
+    """Convert slug to display name: 'atari-5200' -> 'Atari 5200'."""
+    return slug.replace("-", " ").title()
+
+
 class Exporter(BaseExporter):
     """Export truth data to Batocera batocera-systems format."""
 
@@ -20,20 +29,19 @@ class Exporter(BaseExporter):
         output_path: str,
         scraped_data: dict | None = None,
     ) -> None:
+        # Build native_id and display name maps from scraped data
         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
 
-        lines: list[str] = [
-            "#!/usr/bin/env python3",
-            "# Generated batocera-systems BIOS declarations",
-            "from collections import OrderedDict",
-            "",
-            "systems = {",
-        ]
+        lines: list[str] = ["systems = {", ""]
 
         systems = truth_data.get("systems", {})
         for sys_id in sorted(systems):
@@ -43,26 +51,34 @@ class Exporter(BaseExporter):
                 continue
 
             native_id = native_map.get(sys_id, sys_id)
-            lines.append(f'    "{native_id}": {{')
-            lines.append('        "biosFiles": [')
+            display_name = display_map.get(sys_id, _slug_to_display(sys_id))
 
+            # Build biosFiles entries as compact single-line dicts
+            bios_parts: list[str] = []
             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 ""
 
-                lines.append("            {")
-                lines.append(f'                "file": "bios/{dest}",')
-                lines.append(f'                "md5": "{md5}",')
-                lines.append("            },")
+                entry_parts = []
+                if md5:
+                    entry_parts.append(f'"md5": "{md5}"')
+                entry_parts.append(f'"file": "bios/{dest}"')
+                bios_parts.append("{ " + ", ".join(entry_parts) + " }")
 
-            lines.append("        ],")
-            lines.append("    },")
+            bios_str = ", ".join(bios_parts)
+            line = (
+                f'    "{native_id}": '
+                f'{{ "name": "{display_name}", '
+                f'"biosFiles": [ {bios_str} ] }},'
+            )
+            lines.append(line)
 
+        lines.append("")
         lines.append("}")
         lines.append("")
         Path(output_path).write_text("\n".join(lines), encoding="utf-8")
@@ -73,8 +89,9 @@ 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
-                if name not in content:
+                dest = fe.get("destination", name)
+                if dest not in content and name not in content:
                     issues.append(f"missing: {name}")
         return issues