9efdb5f52d
- Fix equipment badge barcode not rendering (loading race condition) - Fix printer QR code not rendering on initial load (same race condition) - Add model image to equipment badge via imageurl from Model table - Fix white-on-white machine number text on badge, tighten barcode spacing - Add PaginationBar component used across all list pages - Split monolithic router into per-plugin route modules - Fix 25 GET API endpoints returning 401 (jwt_required -> optional=True) - Align list page columns across Equipment, PCs, and Network pages - Add print views: EquipmentBadge, PrinterQRSingle, PrinterQRBatch, USBLabelBatch - Add PC Relationships report, migration docs, and CLAUDE.md project guide - Various plugin model, API, and frontend refinements Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
236 lines
8.1 KiB
Python
236 lines
8.1 KiB
Python
"""Printers plugin main class."""
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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 List, Dict, Optional, Type
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from flask import Flask, Blueprint
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import click
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from shopdb.plugins.base import BasePlugin, PluginMeta
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from shopdb.extensions import db
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from shopdb.core.models.machine import MachineType
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from shopdb.core.models import AssetType
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from .models import PrinterData, Printer, PrinterType
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from .api import printers_bp, printers_asset_bp
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from .services import ZabbixService
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logger = logging.getLogger(__name__)
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class PrintersPlugin(BasePlugin):
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"""
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Printers plugin - manages printer assets.
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Supports both legacy Machine-based architecture and new Asset-based architecture:
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- Legacy: PrinterData table linked to machines
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- New: Printer table linked to assets
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Features:
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- PrinterType classification
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- Windows/network naming
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- Zabbix integration for real-time supply level lookups
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"""
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def __init__(self):
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self._manifest = self._load_manifest()
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self._zabbixservice = None
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def _load_manifest(self) -> Dict:
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"""Load plugin manifest from JSON file."""
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manifestpath = Path(__file__).parent / 'manifest.json'
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if manifestpath.exists():
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with open(manifestpath, 'r') as f:
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return json.load(f)
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return {}
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@property
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def meta(self) -> PluginMeta:
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"""Return plugin metadata."""
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return PluginMeta(
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name=self._manifest.get('name', 'printers'),
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version=self._manifest.get('version', '2.0.0'),
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description=self._manifest.get(
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'description',
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'Printer management with Zabbix integration'
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),
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author=self._manifest.get('author', 'ShopDB Team'),
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dependencies=self._manifest.get('dependencies', []),
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core_version=self._manifest.get('core_version', '>=1.0.0'),
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api_prefix=self._manifest.get('api_prefix', '/api/printers'),
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)
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def get_blueprint(self) -> Optional[Blueprint]:
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"""
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Return Flask Blueprint with API routes.
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Returns the new Asset-based blueprint.
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Legacy Machine-based blueprint is registered separately in init_app.
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"""
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return printers_asset_bp
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def get_models(self) -> List[Type]:
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"""Return list of SQLAlchemy model classes."""
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return [
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PrinterData, # Legacy Machine-based
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Printer, # New Asset-based
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PrinterType, # New printer type classification
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]
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def get_services(self) -> Dict[str, Type]:
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"""Return plugin services."""
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return {
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'zabbix': ZabbixService,
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}
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@property
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def zabbixservice(self) -> ZabbixService:
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"""Get Zabbix service instance."""
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if self._zabbixservice is None:
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self._zabbixservice = ZabbixService()
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return self._zabbixservice
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def init_app(self, app: Flask, db_instance) -> None:
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"""Initialize plugin with Flask app."""
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app.config.setdefault('ZABBIX_URL', '')
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app.config.setdefault('ZABBIX_TOKEN', '')
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# Register legacy blueprint for backward compatibility
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app.register_blueprint(printers_bp, url_prefix='/api/printers/legacy')
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logger.info(f"Printers plugin initialized (v{self.meta.version})")
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def on_install(self, app: Flask) -> None:
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"""Called when plugin is installed."""
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with app.app_context():
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self._ensure_asset_type()
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self._ensure_printer_types()
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self._ensure_legacy_machine_types()
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logger.info("Printers plugin installed")
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def _ensure_asset_type(self) -> None:
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"""Ensure printer asset type exists."""
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existing = AssetType.query.filter_by(assettype='printer').first()
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if not existing:
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at = AssetType(
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assettype='printer',
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pluginname='printers',
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tablename='printers',
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description='Printers (laser, inkjet, label, MFP, plotter)',
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icon='printer'
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)
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db.session.add(at)
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logger.debug("Created asset type: printer")
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db.session.commit()
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def _ensure_printer_types(self) -> None:
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"""Ensure basic printer types exist (new architecture)."""
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printer_types = [
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('Laser', 'Standard laser printer', 'printer'),
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('Inkjet', 'Inkjet printer', 'printer'),
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('Label', 'Label/barcode printer', 'barcode'),
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('MFP', 'Multifunction printer with scan/copy/fax', 'printer'),
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('Plotter', 'Large format plotter', 'drafting-compass'),
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('Thermal', 'Thermal printer', 'temperature-high'),
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('Dot Matrix', 'Dot matrix printer', 'th'),
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('Other', 'Other printer type', 'printer'),
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]
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for name, description, icon in printer_types:
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existing = PrinterType.query.filter_by(printertype=name).first()
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if not existing:
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pt = PrinterType(
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printertype=name,
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description=description,
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icon=icon
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)
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db.session.add(pt)
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logger.debug(f"Created printer type: {name}")
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db.session.commit()
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def _ensure_legacy_machine_types(self) -> None:
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"""Ensure basic printer machine types exist (legacy architecture)."""
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printertypes = [
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('Laser Printer', 'Printer', 'Standard laser printer'),
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('Inkjet Printer', 'Printer', 'Inkjet printer'),
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('Label Printer', 'Printer', 'Label/barcode printer'),
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('Multifunction Printer', 'Printer', 'MFP with scan/copy/fax'),
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('Plotter', 'Printer', 'Large format plotter'),
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]
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for name, category, description in printertypes:
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existing = MachineType.query.filter_by(machinetype=name).first()
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if not existing:
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mt = MachineType(
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machinetype=name,
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category=category,
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description=description,
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icon='printer'
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)
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db.session.add(mt)
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logger.debug(f"Created machine type: {name}")
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db.session.commit()
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def on_uninstall(self, app: Flask) -> None:
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"""Called when plugin is uninstalled."""
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logger.info("Printers plugin uninstalled")
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def get_cli_commands(self) -> List:
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"""Return CLI commands for this plugin."""
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@click.group('printers')
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def printerscli():
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"""Printers plugin commands."""
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pass
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@printerscli.command('check-supplies')
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@click.argument('ip')
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def checksupplies(ip):
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"""Check supply levels for a printer by IP (via Zabbix)."""
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from flask import current_app
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with current_app.app_context():
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service = ZabbixService()
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if not service.isconfigured:
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click.echo('Error: Zabbix not configured. Set ZABBIX_URL and ZABBIX_TOKEN.')
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return
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supplies = service.getsuppliesbyip(ip)
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if not supplies:
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click.echo(f'No supply data found for {ip}')
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return
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click.echo(f'Supply levels for {ip}:')
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for supply in supplies:
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click.echo(f" {supply['name']}: {supply['level']}%")
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return [printerscli]
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def get_dashboard_widgets(self) -> List[Dict]:
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"""Return dashboard widget definitions."""
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return [
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{
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'name': 'Printer Status',
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'component': 'PrinterStatusWidget',
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'endpoint': '/api/printers/dashboard/summary',
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'size': 'medium',
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'position': 10,
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},
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]
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def get_navigation_items(self) -> List[Dict]:
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"""Return navigation menu items."""
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return [
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{
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'name': 'Printers',
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'icon': 'printer',
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'route': '/printers',
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'position': 20,
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},
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]
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