79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
from __future__ import annotations
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import json
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from copy import deepcopy
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from pathlib import Path
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from typing import Any
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ALLOWED_COMPONENTS = {
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"task-list",
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"overview-summary",
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"task-progress-grid",
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"task-header",
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"today-record",
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"metric-progress",
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"activity-heatmap",
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"task-settings",
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}
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FALLBACKS = {
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"home": {
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"schemaVersion": 1,
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"page": "home",
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"regions": {
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"sidebar": [{"component": "task-list"}],
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"main": [{"component": "overview-summary"}, {"component": "task-progress-grid"}],
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},
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},
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"task-detail": {
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"schemaVersion": 1,
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"page": "task-detail",
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"regions": {
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"sidebar": [{"component": "task-list"}],
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"main": [
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{"component": "task-header"},
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{"component": "today-record"},
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{"component": "metric-progress"},
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{"component": "activity-heatmap"},
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{"component": "task-settings"},
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],
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},
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},
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}
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def validate_layout(layout: Any, expected_page: str) -> bool:
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if not isinstance(layout, dict):
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return False
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if layout.get("schemaVersion") != 1 or layout.get("page") != expected_page:
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return False
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regions = layout.get("regions")
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if not isinstance(regions, dict) or set(regions) - {"sidebar", "main"}:
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return False
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for items in regions.values():
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if not isinstance(items, list):
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return False
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for item in items:
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if not isinstance(item, dict) or set(item) - {"component", "options"}:
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return False
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if item.get("component") not in ALLOWED_COMPONENTS:
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return False
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if "options" in item and not isinstance(item["options"], dict):
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return False
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return True
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def load_layout(layout_dir: Path, page: str) -> dict[str, Any]:
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if page not in FALLBACKS:
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raise KeyError(page)
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try:
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with (layout_dir / f"{page}.json").open("r", encoding="utf-8") as handle:
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layout = json.load(handle)
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if validate_layout(layout, page):
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return layout
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except (OSError, json.JSONDecodeError):
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pass
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return deepcopy(FALLBACKS[page])
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