mirror of
https://github.com/Abdess/retroarch_system.git
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Abdessamad Derraz
29ff87a99b
The metadata behind the verifier, the pack builder and the site is now served as static files: a versioned JSON API, CSV extracts, a SQLite snapshot, and a catalog carrying a SHA-256 for each artifact. The gaps dataset covers both layers behind a layer column. It previously held one row, the single platform-verification anomaly, while the page offering it as a download led with the emulator-level count. source_ref renders as a permalink pinned to the revision the profile cites. When a profile declares two repositories, a path that belongs to neither by name is left as plain code: a citation without a link still names the file and the lines, a link to the wrong repository does not. The table filter, focus outlines and tap targets are progressive enhancement; the pages work without them.
631 lines
23 KiB
Python
631 lines
23 KiB
Python
#!/usr/bin/env python3
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"""Generate slim README.md from database.json and platform configs.
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Detailed documentation lives on the MkDocs site (abdess.github.io/retrobios/).
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This script produces a concise landing page with download links and coverage.
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Usage:
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python scripts/generate_readme.py [--db database.json] [--platforms-dir platforms/]
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"""
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from __future__ import annotations
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import argparse
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import json
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import os
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import sys
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from datetime import datetime, timezone
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sys.path.insert(0, os.path.dirname(__file__))
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from common import (
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GAME_DATA_TOPS,
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compute_composition,
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list_registered_platforms,
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load_database,
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load_emulator_profiles,
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load_platform_config,
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load_platform_registry,
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resolve_platform_cores,
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unique_emulator_profiles,
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write_if_changed,
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)
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from verify import verify_platform
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def compute_coverage(
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platform_name: str,
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platforms_dir: str,
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db: dict,
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data_registry: dict | None = None,
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supplemental_names: set[str] | None = None,
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) -> dict:
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config = load_platform_config(platform_name, platforms_dir)
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result = verify_platform(
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config,
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db,
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data_dir_registry=data_registry,
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supplemental_names=supplemental_names,
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)
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sc = result.get("status_counts", {})
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ok = sc.get("ok", 0)
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untested = sc.get("untested", 0)
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missing = sc.get("missing", 0)
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total = result["total_files"]
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present = ok + untested
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pct = (present / total * 100) if total > 0 else 0
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undeclared = result.get("undeclared_files", [])
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core_present = sum(1 for u in undeclared if u.get("in_repo"))
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core_missing = len(undeclared) - core_present
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# Files a profile marks unsourceable never reach the undeclared list, so
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# the gap they represent has to be counted back in.
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profiles = load_emulator_profiles("emulators")
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unsourceable_names = {
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f.get("name", "")
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for emu in resolve_platform_cores(config, profiles)
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for f in (profiles.get(emu) or {}).get("files", []) or []
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if f.get("unsourceable")
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}
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core_unsourceable = len(unsourceable_names)
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missing_names = unsourceable_names | {
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u.get("name", "") for u in undeclared if not u.get("in_repo")
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}
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return {
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"platform": config.get("platform", platform_name),
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"total": total,
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"verified": ok,
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"untested": untested,
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"missing": missing,
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"present": present,
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"percentage": pct,
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"core_present": core_present,
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"core_missing": core_missing,
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"core_unsourceable": core_unsourceable,
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"missing_names": missing_names,
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"pack_files": present + core_present,
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"total_missing": missing + core_missing,
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"mode": config.get("verification_mode", "existence"),
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"details": result["details"],
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"config": config,
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"ground_truth": result.get(
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"ground_truth_coverage",
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{"with_validation": 0, "platform_only": total, "total": total},
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),
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}
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def manifest_totals(
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platform_name: str, install_dir: str = "install"
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) -> tuple[int | None, int | None]:
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"""Files and bytes a platform's pack ships, from its install manifest.
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The manifest is written when packs are built, so it reflects the real
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pack contents (platform list, core complement and data directories).
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Returns (None, None) when no manifest exists yet.
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"""
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path = os.path.join(install_dir, f"{platform_name}.json")
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if not os.path.exists(path):
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return None, None
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try:
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with open(path) as f:
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manifest = json.load(f)
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except (json.JSONDecodeError, OSError):
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return None, None
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return manifest.get("total_files"), manifest.get("total_size")
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def format_size(size: int) -> str:
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"""Human-readable pack size."""
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if size >= 1024**3:
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return f"{size / 1024**3:.1f} GB"
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return f"{size / 1024**2:.0f} MB"
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SITE_URL = "https://abdess.github.io/retrobios/"
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RELEASE_URL = "../../releases/latest"
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REPO = "Abdess/retrobios"
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def fetch_contributors() -> list[dict]:
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"""Fetch contributors from GitHub API, exclude bots."""
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import urllib.error
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import urllib.request
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url = f"https://api.github.com/repos/{REPO}/contributors"
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headers = {"User-Agent": "retrobios-readme/1.0"}
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token = os.environ.get("GITHUB_TOKEN", "")
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if token:
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headers["Authorization"] = f"token {token}"
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try:
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req = urllib.request.Request(url, headers=headers)
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with urllib.request.urlopen(req, timeout=10) as resp:
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data = json.loads(resp.read().decode())
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owner = REPO.split("/")[0]
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return [
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c
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for c in data
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if not c.get("login", "").endswith("[bot]")
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and c.get("type") == "User"
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and c.get("login") != owner
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]
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except (urllib.error.URLError, urllib.error.HTTPError):
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return []
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_CATALOG_LABELS = {"redump": "Redump", "no-intro": "No-Intro", "tosec": "TOSEC"}
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def _catalog_matched_line(db: dict) -> list[str]:
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"""Bullet line for files matched to dump-preservation catalogs.
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Counted against the system files alone: those catalogs index console and
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computer dumps, so arcade ROM sets and engine data sit outside their
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scope and would only dilute the ratio.
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"""
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sources: set[str] = set()
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matched = 0
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for entry in db.get("files", {}).values():
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provenance = entry.get("provenance")
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if not provenance:
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continue
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sources.update(provenance)
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parts = entry.get("path", "").split("/")
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top = parts[1] if len(parts) > 1 else ""
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if top != "Arcade" and top not in GAME_DATA_TOPS:
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matched += 1
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if not matched:
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return []
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system_files = compute_composition(db)["systems"]["files"]
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labels = ", ".join(_CATALOG_LABELS.get(s, s) for s in sorted(sources))
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return [
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f"- **{matched:,} of {system_files:,} system files** matched to"
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f" dump-preservation catalogs ({labels}); arcade sets and engine data"
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f" fall outside what those catalogs index"
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]
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def generate_readme(db: dict, platforms_dir: str) -> str:
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total_files = db.get("total_files", 0)
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total_size = db.get("total_size", 0)
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size_mb = total_size / (1024 * 1024)
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ts = datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
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platform_names = list_registered_platforms(platforms_dir, include_archived=True)
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from common import load_data_dir_registry
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from cross_reference import _build_supplemental_index
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data_registry = load_data_dir_registry(platforms_dir)
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suppl_names = _build_supplemental_index()
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coverages = {}
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for name in platform_names:
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try:
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coverages[name] = compute_coverage(
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name, platforms_dir, db, data_registry, suppl_names
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)
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except FileNotFoundError:
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pass
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profiles = unique_emulator_profiles(
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load_emulator_profiles("emulators", skip_aliases=False)
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)
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emulator_count = len(profiles)
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comp = compute_composition(db)
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missing_total = len(set().union(*(c["missing_names"] for c in coverages.values())))
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system_ids: set[str] = set()
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for p in profiles.values():
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system_ids.update(p.get("systems", []))
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lines = [
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'<p align="center">',
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' <img src=".github/assets/banner.png" alt="RetroBIOS" width="400">',
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"</p>",
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"",
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'<p align="center">',
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' <a href="https://github.com/Abdess/retrobios/actions/workflows/build.yml">'
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'<img src="https://github.com/Abdess/retrobios/actions/workflows/build.yml/badge.svg" alt="Build"></a>',
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' <a href="https://github.com/Abdess/retrobios/actions/workflows/deploy-site.yml">'
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'<img src="https://github.com/Abdess/retrobios/actions/workflows/deploy-site.yml/badge.svg" alt="Site"></a>',
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"</p>",
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"",
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f"Complete BIOS and firmware packs for "
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f"{', '.join(c['platform'] for c in sorted(coverages.values(), key=lambda x: x[
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'platform'
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])[:-1])}"
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f", and {sorted(coverages.values(), key=lambda x: x[
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'platform'
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])[-1]['platform']}.",
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"",
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f"Pick your platform below and extract the pack: it carries every file"
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f" its emulators load, read from their source code. Nothing to"
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f" configure, nothing to hunt down.",
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"",
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"## Quick Install",
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"",
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"Copy one command into your terminal:",
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"",
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"```bash",
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"# Linux / macOS / Steam Deck",
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"curl -fsSL https://raw.githubusercontent.com/Abdess/retrobios/main/install.sh | sh",
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"",
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"# Windows (PowerShell)",
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"irm https://raw.githubusercontent.com/Abdess/retrobios/main/install.ps1 | iex",
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"",
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"# Handheld (SD card mounted on PC)",
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"curl -fsSL https://raw.githubusercontent.com/Abdess/retrobios/main/install.sh | sh -s -- --platform retroarch --dest /path/to/sdcard",
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"```",
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"",
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"The script auto-detects your platform, downloads only missing files, and verifies checksums.",
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"",
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"## Download BIOS packs",
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"",
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"Pick your platform, download the ZIP, extract to the BIOS path.",
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"",
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"| Platform | Size | Extract to | Download |",
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"|----------|------|-----------|----------|",
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]
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# Where the pack itself is extracted, which is not always the BIOS folder:
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# a pack whose entries already carry their own root (RetroDECK) extracts
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# one level above it.
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extract_paths = {
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"RetroArch": "`system/`",
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"Lakka": "`/storage/system/`",
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"Batocera": "`/userdata/bios/`",
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"BizHawk": "`Firmware/`",
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"Recalbox": "`/recalbox/share/bios/`",
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"RetroBat": "`bios/`",
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"RetroPie": "`~/RetroPie/BIOS/`",
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"RetroDECK": "`~/retrodeck/`",
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"EmuDeck": "`~/Emulation/bios/`",
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"RomM": "`bios/{platform_slug}/`",
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"ROCKNIX": "`/storage/roms/bios/`",
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"MiSTer FPGA": "`/media/fat/games/`",
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}
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archived = {
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name
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for name, entry in load_platform_registry(platforms_dir).items()
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if entry.get("status") == "archived"
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}
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for name, cov in sorted(coverages.items(), key=lambda x: x[1]["platform"]):
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display = cov["platform"]
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if name in archived:
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display = f"{display} *"
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path = extract_paths.get(cov["platform"], "")
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_, size = manifest_totals(name)
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size_cell = format_size(size) if size else "-"
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lines.append(
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f"| {display} | {size_cell} | {path} | [Download]({RELEASE_URL}) |"
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)
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if archived:
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lines.extend(
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[
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"",
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"The RetroDECK pack already contains its own `bios/` folder, so it"
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" extracts into `~/retrodeck/` rather than into the BIOS folder.",
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"",
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"\\* Archived: the configuration is kept and packs are still built,"
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" but upstream is no longer scraped on a schedule.",
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]
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)
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lines.extend(
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[
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"",
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"## What's included",
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"",
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"BIOS, firmware, and system files for consoles from Atari to PlayStation 3.",
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"These are the files an emulator loads from disk instead of"
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" carrying inside itself. Some are required to boot a system,"
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" others improve accuracy or unlock a feature; the packs carry"
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" both.",
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"",
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"Each file is checked the way your platform checks it. Most compare"
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" a checksum, the fingerprint of a file's contents, which catches a"
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" corrupt or unexpected copy. RetroArch, Lakka and RetroPie only"
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" look for the filename, because that is all their code does: the"
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" Coverage table says which applies to you. Independently of that,"
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" the collection records five fingerprints per file, and wherever"
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" an emulator's code states an expected size or hash, that value is"
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" read from its source and rechecked here.",
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"",
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(
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f"- **{missing_total} files** the platforms' emulators load are"
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f" not in the collection yet, named in the"
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f" [gap analysis]({SITE_URL}gaps/)"
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if missing_total
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else "- **Nothing missing**: every file the platforms'"
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" emulators load is in the collection"
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),
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f"- **{len(coverages)} platforms** supported with platform-specific verification",
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f"- **{emulator_count} emulators** profiled from source (RetroArch cores + standalone)",
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f"- **{len(system_ids)} systems** handled by those emulators (NES, SNES, PlayStation, Saturn, Dreamcast, ...)",
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f"- **{total_files:,} files**, each with its SHA1, MD5, SHA256, CRC32 and Adler-32 fingerprints:"
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f" {comp['systems']['files']:,} system files,"
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f" {comp['arcade']['files']:,} arcade ROM sets,"
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f" {comp['game_data']['files']:,} game and engine data files",
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*_catalog_matched_line(db),
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f"- **{size_mb:.0f} MB** total collection size",
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"",
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"## Supported systems",
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"",
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]
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)
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# Show well-known systems for SEO, link to full list
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well_known = [
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"NES",
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"SNES",
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"Nintendo 64",
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"GameCube",
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"Wii",
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"Game Boy",
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"Game Boy Advance",
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"Nintendo DS",
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"Nintendo 3DS",
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"Switch",
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"PlayStation",
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"PlayStation 2",
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"PlayStation 3",
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"PSP",
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"PS Vita",
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"Mega Drive",
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"Saturn",
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"Dreamcast",
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"Game Gear",
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"Master System",
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"Neo Geo",
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"Atari 2600",
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"Atari 7800",
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"Atari Lynx",
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"Atari ST",
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"MSX",
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"PC Engine",
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"TurboGrafx-16",
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"ColecoVision",
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"Intellivision",
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"Commodore 64",
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"Amiga",
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"ZX Spectrum",
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"Arcade (MAME)",
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]
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lines.extend(
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[
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", ".join(well_known) + f", and {len(system_ids) - len(well_known)}+ more.",
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"",
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f"Full list with per-file details: **[{SITE_URL}]({SITE_URL})**",
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"",
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"## Coverage",
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"",
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"| Platform | On its BIOS list | Files its emulators load | Checked by |",
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"|----------|-----------------:|-------------------------:|------------|",
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]
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)
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mode_labels = {
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"md5": "MD5 hash",
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"sha1": "SHA1 hash",
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"existence": "file presence",
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}
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for name, cov in sorted(coverages.items(), key=lambda x: x[1]["platform"]):
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display = f"{cov['platform']} *" if name in archived else cov["platform"]
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checked = mode_labels.get(cov["mode"], cov["mode"])
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core_total = (
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cov["core_present"] + cov["core_missing"] + cov["core_unsourceable"]
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)
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core_cell = f"{cov['core_present']:,}/{core_total:,}" if core_total else "-"
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lines.append(
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f"| {display} | {cov['present']:,}/{cov['total']:,} |"
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f" {core_cell} | {checked} |"
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)
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lines.extend(
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[
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"",
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"Each fraction is what the pack has over what is needed, counting"
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" required and optional files alike since both ship. The first"
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" column is the BIOS list the platform publishes. The second counts"
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" files its emulators load that this list never mentions, found by"
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" reading their source code, and it is routinely several times"
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" larger. A short fraction means files are still missing, and they"
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" are named in the"
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f" [gap analysis]({SITE_URL}gaps/).",
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"That second number is a floor, not a ceiling: an emulator that"
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" accepts any file handed to it names none in its code, so nothing"
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" there can be counted.",
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"Checked by is the test your platform runs on its own, replicated"
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" here from its source code, so the result matches what you would"
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f" see in the frontend ([how each one works]({SITE_URL}wiki/verification-modes/)).",
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"",
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"## Build your own pack",
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"",
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"Clone the repo and generate packs for any platform, emulator, or system:",
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"",
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"```bash",
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"# Full platform pack",
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"python scripts/generate_pack.py --platform retroarch --output-dir dist/",
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"python scripts/generate_pack.py --platform batocera --output-dir dist/",
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"",
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"# Single emulator or system",
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"python scripts/generate_pack.py --emulator dolphin",
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"python scripts/generate_pack.py --system sony-playstation-2",
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"",
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"# List available emulators and systems",
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"python scripts/generate_pack.py --list-emulators",
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"python scripts/generate_pack.py --list-systems",
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"",
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"# Verify your BIOS collection",
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"python scripts/verify.py --all",
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"python scripts/verify.py --platform batocera",
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"python scripts/verify.py --emulator flycast",
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"python scripts/verify.py --platform retroarch --verbose # emulator ground truth",
|
|
"```",
|
|
"",
|
|
"Only dependency: Python 3 + `pyyaml`.",
|
|
"",
|
|
"## Documentation site",
|
|
"",
|
|
f"The [documentation site]({SITE_URL}) provides:",
|
|
"",
|
|
"- **Per-platform pages** with file-by-file verification status and hashes",
|
|
"- **Per-emulator profiles** with source code references for every file",
|
|
"- **Per-system pages** showing which emulators and platforms cover each console",
|
|
"- **Gap analysis** identifying missing files and undeclared core requirements",
|
|
f"- **Cross-reference** mapping files across {len(coverages)} platforms and {emulator_count} emulators",
|
|
"- **Versioned data access** through JSON, CSV and SQLite exports with published SHA-256 checksums",
|
|
"",
|
|
"## How it works",
|
|
"",
|
|
"Documentation and metadata can drift from what emulators actually load.",
|
|
"To keep packs accurate, platform lists are checked against emulator"
|
|
" source code, file by file where a profile exists; when the two"
|
|
" disagree, the code wins.",
|
|
"",
|
|
"Hashes document what emulator code loads and accepts, not dump"
|
|
" provenance; that boundary, and how it relates to preservation"
|
|
" catalogs such as No-Intro, is drawn in the"
|
|
f" [FAQ]({SITE_URL}wiki/faq/"
|
|
"#are-these-files-verified-against-original-hardware-dumps).",
|
|
"",
|
|
"1. **Read emulator source code** - trace every file the code loads, its expected hash and size",
|
|
"2. **Cross-reference with platforms** - match against what each platform declares",
|
|
"3. **Build packs** - include baseline files plus what each platform's cores need",
|
|
"4. **Verify** - run platform-native checks and emulator-level validation",
|
|
"",
|
|
]
|
|
)
|
|
|
|
contributors = fetch_contributors()
|
|
if contributors:
|
|
lines.extend(
|
|
[
|
|
"## Contributors",
|
|
"",
|
|
]
|
|
)
|
|
for c in contributors:
|
|
login = c["login"]
|
|
avatar = c.get("avatar_url", "")
|
|
url = c.get("html_url", f"https://github.com/{login}")
|
|
lines.append(
|
|
f'<a href="{url}"><img src="{avatar}" width="50" title="{login}"></a>'
|
|
)
|
|
lines.append("")
|
|
|
|
lines.extend(
|
|
[
|
|
"",
|
|
"## Community tools",
|
|
"",
|
|
"- [BIOS Preservation Tool](https://github.com/monster-penguin/BIOS-Preservation-Tool)"
|
|
" by [monster-penguin](https://github.com/monster-penguin)"
|
|
" - scan, verify, and stage your own BIOS collection"
|
|
" using RetroBIOS hash metadata",
|
|
"",
|
|
"## Contributing",
|
|
"",
|
|
"See [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines.",
|
|
"",
|
|
"## License",
|
|
"",
|
|
"The scripts and tooling are released under the [MIT License](LICENSE).",
|
|
"The BIOS and firmware files are not covered by that license: they are"
|
|
" third-party system software, preserved and provided for personal"
|
|
" backup, archival, and interoperability with emulation software.",
|
|
f"The legal reasoning is laid out in the [FAQ]({SITE_URL}wiki/faq/#is-this-legal).",
|
|
"",
|
|
f"*Auto-generated on {ts}*",
|
|
]
|
|
)
|
|
|
|
return "\n".join(lines) + "\n"
|
|
|
|
|
|
def generate_contributing() -> str:
|
|
return f"""# Contributing to RetroBIOS
|
|
|
|
## Add a BIOS file
|
|
|
|
1. Fork this repository
|
|
2. Place the file in `bios/Manufacturer/Console/filename`
|
|
3. Variants (alternate hashes for the same file): `bios/Manufacturer/Console/.variants/`
|
|
4. Open a Pull Request - hashes are verified automatically and reported as a comment
|
|
|
|
The [dump provenance]({SITE_URL}provenance/) page lists catalogued dumps still
|
|
missing from the collection, with their hashes. A file matching one of those is
|
|
the most useful contribution.
|
|
|
|
## Add a platform
|
|
|
|
1. Write a scraper in `scripts/scraper/` (inherit `BaseScraper`)
|
|
2. Read the platform's upstream source to determine how it checks BIOS files
|
|
3. Register it in `platforms/_registry.yml`
|
|
4. Generate the platform YAML and test: `python scripts/verify.py --platform <name>`
|
|
|
|
Full walkthrough: [adding a platform]({SITE_URL}wiki/adding-a-platform/).
|
|
|
|
## Add an emulator profile
|
|
|
|
1. Clone the emulator's source code, upstream and libretro port
|
|
2. Trace the file loading from the entry point, not from a keyword grep
|
|
3. Document every file the code loads, with a `source_ref` line reference
|
|
4. Write the YAML to `emulators/<name>.yml`
|
|
5. Test: `python scripts/cross_reference.py --emulator <name>`
|
|
|
|
Full walkthrough: [profiling guide]({SITE_URL}wiki/profiling/).
|
|
|
|
## File conventions
|
|
|
|
- `bios/Manufacturer/Console/filename` for canonical files
|
|
- `bios/Manufacturer/Console/.variants/filename.sha1prefix` for alternate versions
|
|
- Files >50 MB go in GitHub release assets (`large-files` release)
|
|
- RPG Maker and ScummVM directories are excluded from deduplication
|
|
- Two paths differing only by case break clones on Windows and macOS;
|
|
`tests/test_no_case_collisions.py` enforces this
|
|
|
|
## Before opening a PR
|
|
|
|
```bash
|
|
python -m unittest discover tests
|
|
python scripts/pipeline.py --offline
|
|
```
|
|
|
|
## PR validation
|
|
|
|
CI computes SHA1/MD5/CRC32 for every new file, checks them against the platform
|
|
configs, validates the YAML against the schemas, runs the test suite, and posts
|
|
a report on the PR.
|
|
|
|
Contributors who add platform support are credited in the README,
|
|
on the documentation site, and in the BIOS packs.
|
|
"""
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(description="Generate slim README.md")
|
|
parser.add_argument("--db", default="database.json")
|
|
parser.add_argument("--platforms-dir", default="platforms")
|
|
args = parser.parse_args()
|
|
|
|
db = load_database(args.db)
|
|
|
|
readme = generate_readme(db, args.platforms_dir)
|
|
status = "Generated" if write_if_changed("README.md", readme) else "Unchanged"
|
|
print(f"{status} ./README.md")
|
|
|
|
contributing = generate_contributing()
|
|
status = (
|
|
"Generated"
|
|
if write_if_changed("CONTRIBUTING.md", contributing)
|
|
else "Unchanged"
|
|
)
|
|
print(f"{status} ./CONTRIBUTING.md")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|