233 lines
8.9 KiB
Python
233 lines
8.9 KiB
Python
"""Export maintenance data as JSON or YAML."""
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from __future__ import annotations
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import json
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import logging
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from pathlib import Path
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from typing import Any
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant
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from .const import (
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CONF_OBJECT,
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CONF_TASKS,
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DEFAULT_WARNING_DAYS,
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DOMAIN,
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GLOBAL_UNIQUE_ID,
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)
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from .helpers.schedule import Schedule, read_legacy_fields
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_LOGGER = logging.getLogger(__name__)
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def _export_documents(doc_store: Any, object_id: str) -> list[dict[str, Any]]:
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"""Export an object's document metadata + web-links (blobs ride the backup).
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File binaries are NOT in the JSON export (they live under /config and travel
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via the HA backup). An import without a matching backup therefore recreates
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file metadata pointing at a missing blob — the storage-hygiene repair issue
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catches those as dangling. Web-links round-trip fully. task_ids are dropped:
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tasks get fresh ids on import, so the links wouldn't resolve.
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"""
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out: list[dict[str, Any]] = []
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for d in doc_store.for_object(object_id):
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if d.get("kind") == "weblink":
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out.append(
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{
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"kind": "weblink",
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"url": d.get("url"),
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"title": d.get("title"),
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"tags": d.get("tags") or [],
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}
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)
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else:
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out.append(
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{
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"kind": "file",
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"hash": d.get("hash"),
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"title": d.get("title"),
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"filename": d.get("filename"),
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"mime": d.get("mime"),
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"size": d.get("size"),
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"tags": d.get("tags") or [],
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}
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)
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return out
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def _build_export_object(
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hass: HomeAssistant,
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entry: ConfigEntry,
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coordinator_data: dict[str, Any] | None,
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include_history: bool,
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) -> dict[str, Any]:
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"""Build a single object's export dict."""
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obj_data = entry.data.get(CONF_OBJECT, {})
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# Merge static + Store dynamic data for each task
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rd = getattr(entry, "runtime_data", None)
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store = getattr(rd, "store", None) if rd else None
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static_tasks = entry.data.get(CONF_TASKS, {})
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tasks_data = store.merge_all_tasks(static_tasks) if store is not None else static_tasks
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ct_tasks = (coordinator_data or {}).get(CONF_TASKS, {})
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tasks = []
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for tid, tdata in tasks_data.items():
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ct = ct_tasks.get(tid, {})
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sched = read_legacy_fields(tdata)
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task: dict[str, Any] = {
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"id": tid,
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"name": tdata.get("name", ""),
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"type": tdata.get("type", "custom"),
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"enabled": tdata.get("enabled", True),
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"schedule_type": sched["schedule_type"],
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"interval_days": sched["interval_days"],
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"interval_unit": sched["interval_unit"],
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"due_date": sched["due_date"],
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"interval_anchor": sched["interval_anchor"],
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# Nested recurrence — carries the calendar kinds (weekdays /
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# nth_weekday / day_of_month) that the flat fields above can't.
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"schedule": Schedule.parse(tdata).to_dict(),
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"last_planned_due": tdata.get("last_planned_due"),
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"warning_days": tdata.get("warning_days", DEFAULT_WARNING_DAYS),
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"last_performed": tdata.get("last_performed"),
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"notes": tdata.get("notes"),
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"documentation_url": tdata.get("documentation_url"),
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"custom_icon": tdata.get("custom_icon"),
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"nfc_tag_id": tdata.get("nfc_tag_id"),
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"responsible_user_id": tdata.get("responsible_user_id"),
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"entity_slug": tdata.get("entity_slug"),
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"adaptive_config": tdata.get("adaptive_config"),
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"checklist": tdata.get("checklist") or [],
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"status": ct.get("_status", "ok"),
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"days_until_due": ct.get("_days_until_due"),
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"next_due": ct.get("_next_due"),
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"times_performed": ct.get("_times_performed", 0),
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"total_cost": ct.get("_total_cost", 0.0),
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"average_duration": ct.get("_average_duration"),
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}
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trigger_config = tdata.get("trigger_config")
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if trigger_config:
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task["trigger_config"] = trigger_config
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if include_history:
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task["history"] = tdata.get("history") or []
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tasks.append(task)
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# (roadmap P6) attach document metadata + web-links.
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from . import DOCUMENT_STORE_KEY
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doc_store = hass.data.get(DOMAIN, {}).get(DOCUMENT_STORE_KEY)
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object_id = obj_data.get("id", "")
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documents = _export_documents(doc_store, object_id) if doc_store is not None and object_id else []
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return {
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"entry_id": entry.entry_id,
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"object": {
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"name": obj_data.get("name", ""),
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"area_id": obj_data.get("area_id"),
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"manufacturer": obj_data.get("manufacturer"),
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"model": obj_data.get("model"),
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"serial_number": obj_data.get("serial_number"),
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"installation_date": obj_data.get("installation_date"),
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"warranty_expiry": obj_data.get("warranty_expiry"),
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# Round-tripped so a JSON backup restores the full asset record
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# (these were added in v1.4.0/v1.4.10 but missed here until #67).
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"documentation_url": obj_data.get("documentation_url"),
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"notes": obj_data.get("notes"),
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# 2.19: device link / parent hierarchy. Instance-specific ids —
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# meaningful when restoring on the SAME instance; dangling values
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# on a foreign instance are harmless (device_info falls back).
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"ha_device_id": obj_data.get("ha_device_id"),
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"parent_entry_id": obj_data.get("parent_entry_id"),
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# 2.20: seasonal pause (a paused pool restored in winter stays
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# paused) + replace-flow lineage (instance-specific entry ids,
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# same caveat as parent_entry_id above).
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"paused_at": obj_data.get("paused_at"),
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"paused_until": obj_data.get("paused_until"),
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"predecessor_entry_id": obj_data.get("predecessor_entry_id"),
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"replaced_by_entry_id": obj_data.get("replaced_by_entry_id"),
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},
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"tasks": tasks,
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"documents": documents,
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}
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def build_export_data(
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hass: HomeAssistant,
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include_history: bool = True,
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) -> dict[str, Any]:
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"""Gather all maintenance data into a plain dict.
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This must be called from the event loop (accesses HA APIs).
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The returned dict contains no HA objects and is safe to
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serialize in an executor thread.
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"""
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entries = [entry for entry in hass.config_entries.async_entries(DOMAIN) if entry.unique_id != GLOBAL_UNIQUE_ID]
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objects = []
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for entry in entries:
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rd = getattr(entry, "runtime_data", None)
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coord_data = rd.coordinator.data if rd and rd.coordinator else None
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objects.append(_build_export_object(hass, entry, coord_data, include_history))
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return {
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"version": 1,
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"objects": objects,
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}
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def serialize_export(data: dict[str, Any], fmt: str = "json") -> str:
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"""Serialize an export data dict to a JSON or YAML string.
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Pure function with no HA dependencies — safe to run in an executor.
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"""
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if fmt == "yaml":
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try:
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import yaml # type: ignore[import-untyped]
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# Normalize through JSON first: yaml.safe_dump rejects types the
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# JSON path coerces (e.g. tuples → lists), so YAML export would
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# crash on data JSON handles fine. Round-tripping keeps both
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# formats consistent and YAML-safe.
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normalized = json.loads(json.dumps(data, ensure_ascii=False))
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return str(yaml.safe_dump(normalized, default_flow_style=False, allow_unicode=True))
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except ImportError:
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_LOGGER.warning("PyYAML not available, falling back to JSON")
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return json.dumps(data, indent=2, ensure_ascii=False)
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return json.dumps(data, indent=2, ensure_ascii=False)
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def serialize_export_to_file(data: dict[str, Any], fmt: str, file_path: str) -> str:
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"""Serialize export data and write to a file.
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Pure sync function — safe to run in an executor via
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``hass.async_add_executor_job``.
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Returns:
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The file path written to.
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"""
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content = serialize_export(data, fmt)
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Path(file_path).write_text(content, encoding="utf-8")
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return file_path
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def export_maintenance_data(
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hass: HomeAssistant,
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fmt: str = "json",
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include_history: bool = True,
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) -> str:
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"""Export all maintenance data as a JSON or YAML string.
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Legacy convenience wrapper used by the WebSocket export handler.
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For the service handler, prefer ``build_export_data`` +
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``serialize_export_to_file`` (via executor) to avoid blocking
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the event loop.
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"""
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data = build_export_data(hass, include_history=include_history)
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return serialize_export(data, fmt)
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