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leocrm/app/plugins/builtins/importexport_formats/plugin.py
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feat(#359): W4a Phase 1 — Import/Export Contribution-Architektur Kern
- Format-Registry (app/core/importexport_registry.py): FormatHandler-Protokoll,
  available_for() Schnittmenge, Singleton + Testing-Reset
- importexport_formats-Plugin (csv/json/xlsx), lifecycle-korrekt: on_activate
  registriert Handler in der Core-Registry, on_deactivate unregistriert
- ContactsContract: importexport-Beitrag (ie_*-Methoden) — Contacts besitzt
  seine Import/Export-Fachlogik jetzt selbst
- import_export_service.py: generische Engine, delegiert generisch ueber
  registry.list_discovered() an den besitzenden Contract (keine hartcodierten
  Plugin-Namen mehr); Signaturen identisch
- Funktionserhalt bewiesen: 45/45 import_export-Suite passed (inkl.
  Fehler-Multiplizitaet: 2 failed rows -> 3 total_errors, erreicht via
  ie_required-Weitergabe + ie_row_valid-Nur-contacts-Early-Return)

fixes #359 (Phase 1)
2026-08-27 21:11:14 +02:00

53 lines
1.9 KiB
Python

"""Import/export formats plugin — provides standard file formats as plugins.
Part of the W4a contribution architecture (Spec #359): file formats live in
this plugin instead of being hardcoded in the core orchestrator. New formats
(e.g. PDF later) are added as additional format plugins without touching the
core.
Lifecycle: registers the bundled handlers (csv, json, xlsx) in the core
format registry on activate, unregisters them on deactivate.
"""
from __future__ import annotations
from typing import Any
from app.core.importexport_registry import get_format_registry
from app.plugins.base import BasePlugin
from app.plugins.builtins.importexport_formats.formats import CsvFormat, JsonFormat, XlsxFormat
from app.plugins.manifest import PluginManifest
class ImportExportFormatsPlugin(BasePlugin):
"""Bundles the standard import/export file formats."""
manifest = PluginManifest(
name="importexport_formats",
version="1.0.0",
display_name="Import/Export Formate",
description="Standard-Formate für Import/Export: CSV, JSON, XLSX.",
dependencies=[],
routes=[],
events=[],
migrations=[],
permissions=[],
is_core=True,
)
def __init__(self) -> None:
super().__init__()
self._handlers: list[Any] = [CsvFormat(), JsonFormat(), XlsxFormat()]
async def on_activate(self, db, service_container, event_bus) -> None:
await super().on_activate(db, service_container, event_bus)
registry = get_format_registry()
for handler in self._handlers:
registry.register(handler)
async def on_deactivate(self, db, service_container, event_bus) -> None:
await super().on_deactivate(db, service_container, event_bus)
registry = get_format_registry()
for handler in self._handlers:
registry.unregister(handler.format_id)