mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-24 12:49:03 -05:00
Abdessamad Derraz
be3324f869
Platform guides, device groups, terminal tabs, pack README manuals and logo credits move from Python tables to platforms/_guides.yml, checked against the registry on load. A folder row without a path is the registry's extract_to, written once. Wiki pages place themselves in the navigation with order and nav_title in their front matter. Generated docs/ and mkdocs.yml are unchanged.
301 lines
12 KiB
Python
301 lines
12 KiB
Python
"""The guide part of the site: where each setup keeps its BIOS files.
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A platform page opens on what someone holding the device needs: the folder,
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the command, the pack, how to check. The words live in
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``platforms/_guides.yml``, one guide per registered platform, beside the
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device groups, the terminal tabs and the safety notes every guide shares.
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This module loads that file, checks it against the registry and renders the
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parts the pages share. The registry keeps the folder the pack unzips into
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(``extract_to``) and the group a platform belongs to (``device_group``).
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"""
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from __future__ import annotations
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import textwrap
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from dataclasses import dataclass, fields
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from pathlib import Path
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from safeparse import require_yaml
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PLATFORMS_DIR = Path(__file__).resolve().parent.parent / "platforms"
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GUIDES_FILE = PLATFORMS_DIR / "_guides.yml"
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class GuideError(ValueError):
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"""The guides file does not say what a page needs, or contradicts the registry."""
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@dataclass(frozen=True)
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class Guide:
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"""What a platform page says before its file reference.
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`folders` are the common cases, `more_folders` the rarer builds shown
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folded under them, under `more_folders_title`. `more_folders_detected`
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adds a row for each named system the registry detects the platform on.
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`notes` stay in the guide, one plain fact each. `reference_notes` carry
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the source citations and the details a reader checking the work wants,
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and open the Reference part of the page. `download_hint` is one more
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bullet under the pack download. `pack_manual` is the manual part of the
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README inside the pack. `logo_owner` and `logo_licence` credit the
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logo the registry links.
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"""
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summary: str
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folders: tuple[tuple[str, str], ...]
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run: tuple[str, ...]
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notes: tuple[str, ...] = ()
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dest: str = ""
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on_card: bool = False
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more_folders: tuple[tuple[str, str], ...] = ()
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more_folders_title: str = "Other layouts"
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more_folders_detected: bool = False
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more_folders_note: str = ""
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reference_notes: tuple[str, ...] = ()
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download_hint: str = ""
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pack_manual: str = ""
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logo_owner: str = ""
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logo_licence: str = ""
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_GUIDE_KEYS = {f.name for f in fields(Guide)}
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_REQUIRED = ("summary", "folders", "run")
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_TOP_KEYS = {"install_base", "trust_items", "device_groups", "terminals", "guides"}
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_GROUP_KEYS = {"label", "description", "anchor", "also_runs"}
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_ALSO_KEYS = ("setup", "summary", "uses", "runs_on", "folder")
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_TERMINAL_KEYS = ("label", "how", "shell")
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def _text(value: object, where: str) -> str:
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if not isinstance(value, str) or not value.strip():
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raise GuideError(f"{where}: expected text, found {value!r}")
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return value
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def _texts(value: object, where: str) -> tuple[str, ...]:
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if not isinstance(value, list):
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raise GuideError(f"{where}: expected a list, found {value!r}")
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return tuple(_text(item, f"{where}[{i}]") for i, item in enumerate(value))
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def _unknown(data: dict, allowed: set[str] | tuple[str, ...], where: str) -> None:
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extra = sorted(set(data) - set(allowed))
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if extra:
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raise GuideError(f"{where}: unknown key {', '.join(extra)} "
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f"(known: {', '.join(sorted(allowed))})")
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def _folder_rows(value: object, extract_to: str, where: str) -> tuple[tuple[str, str], ...]:
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"""Folder rows as (where, path). A row with no path is the registry's
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extract_to, so that folder is written once."""
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if not isinstance(value, list) or not value:
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raise GuideError(f"{where}: expected a list of folder rows")
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rows = []
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for i, row in enumerate(value):
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at = f"{where}[{i}]"
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if not isinstance(row, dict):
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raise GuideError(f"{at}: expected a mapping with `where` and `path`")
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_unknown(row, ("where", "path"), at)
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label = _text(row.get("where"), f"{at}.where")
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if "path" in row:
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rows.append((label, _text(row["path"], f"{at}.path")))
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elif extract_to:
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rows.append((label, f"`{extract_to}`"))
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else:
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raise GuideError(f"{at}: no `path`, and the registry has no extract_to for it")
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return tuple(rows)
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def _guide(name: str, data: object, extract_to: str, terminals: dict) -> Guide:
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where = f"{GUIDES_FILE.name}: guides.{name}"
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if not isinstance(data, dict):
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raise GuideError(f"{where}: expected a mapping")
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_unknown(data, _GUIDE_KEYS, where)
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missing = [key for key in _REQUIRED if key not in data]
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if missing:
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raise GuideError(f"{where}: missing {', '.join(missing)}")
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run = _texts(data["run"], f"{where}.run")
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unknown_tabs = [key for key in run if key not in terminals]
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if unknown_tabs:
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raise GuideError(f"{where}.run: no terminal named {', '.join(unknown_tabs)}")
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values: dict = {
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"summary": _text(data["summary"], f"{where}.summary"),
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"folders": _folder_rows(data["folders"], extract_to, f"{where}.folders"),
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"run": run,
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}
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if "more_folders" in data:
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values["more_folders"] = _folder_rows(
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data["more_folders"], extract_to, f"{where}.more_folders")
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for key in ("notes", "reference_notes"):
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if key in data:
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values[key] = _texts(data[key], f"{where}.{key}")
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for key in ("dest", "download_hint", "more_folders_title", "more_folders_note",
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"logo_owner", "logo_licence"):
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if key in data:
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values[key] = _text(data[key], f"{where}.{key}")
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for key in ("on_card", "more_folders_detected"):
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if key in data:
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if not isinstance(data[key], bool):
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raise GuideError(f"{where}.{key}: expected true or false")
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values[key] = data[key]
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if "pack_manual" in data:
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values["pack_manual"] = _text(data["pack_manual"], f"{where}.pack_manual")
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return Guide(**values)
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def load_guides(path: Path = GUIDES_FILE, registry: dict | None = None) -> dict:
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"""The guides file, checked against the registry.
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Every registered platform, archived ones included, has a guide and a
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device group the file describes. A mistake raises GuideError naming the
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key, so the site is never built from half a guide.
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"""
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yaml = require_yaml()
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if registry is None:
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with open(PLATFORMS_DIR / "_registry.yml", encoding="utf-8") as handle:
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registry = (yaml.safe_load(handle) or {}).get("platforms", {})
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with open(path, encoding="utf-8") as handle:
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data = yaml.safe_load(handle) or {}
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if not isinstance(data, dict):
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raise GuideError(f"{path.name}: expected a mapping")
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_unknown(data, _TOP_KEYS, path.name)
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terminals: dict[str, tuple[str, str, str]] = {}
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for key, entry in (data.get("terminals") or {}).items():
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at = f"{path.name}: terminals.{key}"
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if not isinstance(entry, dict):
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raise GuideError(f"{at}: expected a mapping")
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_unknown(entry, _TERMINAL_KEYS, at)
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terminals[key] = tuple(_text(entry.get(k), f"{at}.{k}") for k in _TERMINAL_KEYS)
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if entry["shell"] not in ("sh", "powershell"):
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raise GuideError(f"{at}.shell: sh or powershell, found {entry['shell']!r}")
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raw_guides = data.get("guides") or {}
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groups: dict[str, tuple[str, str]] = {}
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anchors: dict[str, str] = {}
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also_runs: dict[str, tuple[tuple[str, str, str, str, str], ...]] = {}
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for key, entry in (data.get("device_groups") or {}).items():
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at = f"{path.name}: device_groups.{key}"
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if not isinstance(entry, dict):
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raise GuideError(f"{at}: expected a mapping")
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_unknown(entry, _GROUP_KEYS, at)
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groups[key] = (_text(entry.get("label"), f"{at}.label"),
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_text(entry.get("description"), f"{at}.description"))
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anchors[key] = _text(entry.get("anchor"), f"{at}.anchor")
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rows = []
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for i, row in enumerate(entry.get("also_runs") or []):
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row_at = f"{at}.also_runs[{i}]"
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if not isinstance(row, dict):
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raise GuideError(f"{row_at}: expected a mapping")
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_unknown(row, _ALSO_KEYS, row_at)
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values = tuple(_text(row.get(k), f"{row_at}.{k}") for k in _ALSO_KEYS)
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if values[2] not in raw_guides:
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raise GuideError(f"{row_at}.uses: {values[2]!r} is not a platform with a guide")
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rows.append(values)
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if rows:
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also_runs[key] = tuple(rows)
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unregistered = sorted(set(raw_guides) - set(registry))
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if unregistered:
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raise GuideError(f"{path.name}: guides for unregistered platforms: "
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f"{', '.join(unregistered)}")
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guides = {}
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for name, entry in registry.items():
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if name not in raw_guides:
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raise GuideError(f"{path.name}: {name} is registered and has no guide "
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f"(add guides.{name})")
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group = entry.get("device_group")
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if group not in groups:
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raise GuideError(f"_registry.yml: {name}.device_group {group!r} is not "
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f"one of {', '.join(groups)} in {path.name}")
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guides[name] = _guide(name, raw_guides[name], str(entry.get("extract_to") or ""),
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terminals)
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# The order the file is written in, which the pages do not depend on.
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guides = {name: guides[name] for name in raw_guides}
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return {
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"install_base": _text(data.get("install_base"), f"{path.name}: install_base"),
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"trust_items": _texts(data.get("trust_items"), f"{path.name}: trust_items"),
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"device_groups": groups,
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"group_anchors": anchors,
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"also_runs": also_runs,
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"terminals": terminals,
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"guides": guides,
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}
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_LOADED = load_guides()
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INSTALL_BASE: str = _LOADED["install_base"]
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DEVICE_GROUPS: dict[str, tuple[str, str]] = _LOADED["device_groups"]
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GROUP_ANCHORS: dict[str, str] = _LOADED["group_anchors"]
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ALSO_RUNS: dict[str, tuple[tuple[str, str, str, str, str], ...]] = _LOADED["also_runs"]
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TERMINALS: dict[str, tuple[str, str, str]] = _LOADED["terminals"]
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TRUST_ITEMS: tuple[str, ...] = _LOADED["trust_items"]
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GUIDES: dict[str, Guide] = _LOADED["guides"]
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def pack_manual(name: str) -> str:
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"""The manual part of a pack README, indented as the README is, or empty."""
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guide = GUIDES.get(name)
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if not guide or not guide.pack_manual:
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return ""
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return textwrap.indent(guide.pack_manual.rstrip("\n"), " ") + "\n\n"
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def install_command(shell: str, args: str = "") -> str:
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"""The one-liner for a shell, with installer options when given.
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PowerShell passes options only through a scriptblock: `irm ... | iex`
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takes none.
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"""
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if shell == "sh":
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return f"curl -fsSL {INSTALL_BASE}/install.sh | sh" + (f" -s -- {args}" if args else "")
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if args:
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return f"&([scriptblock]::Create((irm {INSTALL_BASE}/install.ps1))) {args}"
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return f"irm {INSTALL_BASE}/install.ps1 | iex"
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def _fence(shell: str, command: str, indent: str) -> list[str]:
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return [f"{indent}```{shell}", f"{indent}{command}", f"{indent}```"]
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def terminal_tabs(
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tabs: tuple[str, ...], args: dict[str, str], indent: str = "", steps: bool = True,
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) -> list[str]:
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"""Content tabs, one per place the command runs, each with how to open
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the terminal there. Tab labels are shared across the site, so the reader's
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choice carries from page to page."""
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lines: list[str] = []
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for key in tabs:
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label, how, shell = TERMINALS[key]
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lines += [f'{indent}=== "{label}"', ""]
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if steps:
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lines += [f"{indent} {how}", ""]
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lines += _fence(shell, install_command(shell, args.get(key, "")), indent + " ")
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lines.append("")
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return lines
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def platform_args(name: str, guide: Guide) -> dict[str, str]:
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"""The options of the command on a platform page, per tab."""
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args: dict[str, str] = {}
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for key in guide.run:
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if guide.on_card:
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card = "E:\\" if key == "windows" else "/path/to/card"
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args[key] = f"--platform {name} --dest {card}"
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elif guide.dest:
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args[key] = f"--platform {name} --dest {guide.dest}"
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else:
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args[key] = f"--platform {name}"
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return args
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def trust_box(prefix: str, indent: str = "") -> list[str]:
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"""Is it safe, under every command on a guide page: five plain facts."""
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return [
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f'{indent}??? note "Is it safe?"',
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"",
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*(f"{indent} - {item}" for item in TRUST_ITEMS),
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"",
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f"{indent} [Read the script first]({prefix}wiki/faq.md#is-piping-the-installer-into-a-shell-safe)",
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"",
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]
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