Fix MSS template test: add engine initialization and create TemplateStore

- Add engine.initialize() call in test endpoint to fix "Engine not initialized" error for MSS and DXcam
- Create template.py with CaptureTemplate dataclass for template data model
- Create template_store.py with TemplateStore class for template CRUD operations
- TemplateStore loads from capture_templates.json and provides get_all, create, get, update, delete methods

Fixes MSS capture test failing with "Engine not initialized" error. WGC worked because it auto-initializes in capture_display(), but MSS and DXcam require explicit initialization.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
2026-02-09 19:23:20 +03:00
parent fd38481e17
commit fdb73c9fc9
3 changed files with 284 additions and 1 deletions

View File

@@ -0,0 +1,221 @@
"""Template storage using JSON files."""
import json
import uuid
from datetime import datetime
from pathlib import Path
from typing import Dict, List, Optional
from wled_controller.storage.template import CaptureTemplate
from wled_controller.utils import get_logger
logger = get_logger(__name__)
class TemplateStore:
"""Storage for capture templates."""
def __init__(self, file_path: str):
"""Initialize template store.
Args:
file_path: Path to templates JSON file
"""
self.file_path = Path(file_path)
self._templates: Dict[str, CaptureTemplate] = {}
self._load()
def _load(self) -> None:
"""Load templates from file."""
if not self.file_path.exists():
logger.warning(f"Templates file not found: {self.file_path}")
self._save() # Create empty file
return
try:
with open(self.file_path, "r", encoding="utf-8") as f:
data = json.load(f)
templates_data = data.get("templates", {})
for template_id, template_dict in templates_data.items():
try:
template = CaptureTemplate.from_dict(template_dict)
self._templates[template_id] = template
except Exception as e:
logger.error(
f"Failed to load template {template_id}: {e}",
exc_info=True
)
logger.info(f"Loaded {len(self._templates)} templates from storage")
logger.info(f"Template store initialized with {len(self._templates)} templates")
except Exception as e:
logger.error(f"Failed to load templates from {self.file_path}: {e}")
raise
def _save(self) -> None:
"""Save templates to file."""
try:
# Ensure directory exists
self.file_path.parent.mkdir(parents=True, exist_ok=True)
# Convert templates to dict format
templates_dict = {
template_id: template.to_dict()
for template_id, template in self._templates.items()
}
data = {
"version": "1.0.0",
"templates": templates_dict,
}
# Write to file
with open(self.file_path, "w", encoding="utf-8") as f:
json.dump(data, f, indent=2, ensure_ascii=False)
except Exception as e:
logger.error(f"Failed to save templates to {self.file_path}: {e}")
raise
def get_all_templates(self) -> List[CaptureTemplate]:
"""Get all templates.
Returns:
List of all templates
"""
return list(self._templates.values())
def get_template(self, template_id: str) -> CaptureTemplate:
"""Get template by ID.
Args:
template_id: Template ID
Returns:
Template instance
Raises:
ValueError: If template not found
"""
if template_id not in self._templates:
raise ValueError(f"Template not found: {template_id}")
return self._templates[template_id]
def create_template(
self,
name: str,
engine_type: str,
engine_config: Dict[str, any],
description: Optional[str] = None,
) -> CaptureTemplate:
"""Create a new template.
Args:
name: Template name
engine_type: Engine type (mss, dxcam, wgc)
engine_config: Engine-specific configuration
description: Optional description
Returns:
Created template
Raises:
ValueError: If template with same name exists
"""
# Check for duplicate name
for template in self._templates.values():
if template.name == name and not template.is_default:
raise ValueError(f"Template with name '{name}' already exists")
# Generate new ID
template_id = f"tpl_{uuid.uuid4().hex[:8]}"
# Create template
now = datetime.utcnow()
template = CaptureTemplate(
id=template_id,
name=name,
engine_type=engine_type,
engine_config=engine_config,
is_default=False,
created_at=now,
updated_at=now,
description=description,
)
# Store and save
self._templates[template_id] = template
self._save()
logger.info(f"Created template: {name} ({template_id})")
return template
def update_template(
self,
template_id: str,
name: Optional[str] = None,
engine_config: Optional[Dict[str, any]] = None,
description: Optional[str] = None,
) -> CaptureTemplate:
"""Update an existing template.
Args:
template_id: Template ID
name: New name (optional)
engine_config: New engine config (optional)
description: New description (optional)
Returns:
Updated template
Raises:
ValueError: If template not found or is a default template
"""
if template_id not in self._templates:
raise ValueError(f"Template not found: {template_id}")
template = self._templates[template_id]
if template.is_default:
raise ValueError("Cannot modify default templates")
# Update fields
if name is not None:
template.name = name
if engine_config is not None:
template.engine_config = engine_config
if description is not None:
template.description = description
template.updated_at = datetime.utcnow()
# Save
self._save()
logger.info(f"Updated template: {template_id}")
return template
def delete_template(self, template_id: str) -> None:
"""Delete a template.
Args:
template_id: Template ID
Raises:
ValueError: If template not found or is a default template
"""
if template_id not in self._templates:
raise ValueError(f"Template not found: {template_id}")
template = self._templates[template_id]
if template.is_default:
raise ValueError("Cannot delete default templates")
# Remove and save
del self._templates[template_id]
self._save()
logger.info(f"Deleted template: {template_id}")