tegwick
81d3da5fe7
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Asset Management System (Issue #142): - Add complete asset management framework with deduplication - Implement AssetManager, AssetRegistry, and AssetDeduplicator classes - Add AssetPackager for markdown document packaging - Create comprehensive test suite for all asset management components - Add asset constants and custom exceptions for robust error handling Markdown Processing Enhancements: - Update markdown_commands.py with improved functionality - Enhanced parsing and content aggregation capabilities - Improved filename encoding/decoding for special characters Test Suite Improvements: - Add comprehensive tests for Issue #138 markdown parsing - Enhance Issue #139 content aggregation and end-to-end testing - Complete test coverage for new asset management features Examples and Documentation: - Update BildungsKanonJon.md example with enhanced content - Generate corresponding HTML output for documentation - Add asset registry configuration Development Tools: - Add install script for simplified setup This commit represents a major enhancement to MarkiTect's asset handling capabilities with full test coverage and improved markdown processing. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
396 lines
14 KiB
Python
396 lines
14 KiB
Python
"""
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AssetManager class for high-level asset management API coordination.
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This module implements the AssetManager class that provides a high-level API
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coordinating all asset operations, integration with existing markitect patterns,
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error handling and logging, and configuration management integration.
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"""
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import logging
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from pathlib import Path
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from typing import Dict, List, Optional, Any, Union
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from .registry import AssetRegistry
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from .deduplicator import AssetDeduplicator
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from .packager import MarkdownPackager
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from .exceptions import AssetError, AssetManagerError
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from .constants import DEFAULT_CONFIG, DEFAULT_ASSETS_DIR, DEFAULT_REGISTRY_FILENAME
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class AssetManager:
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"""High-level asset management coordinator integrating all asset operations."""
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def __init__(self, config: Optional[Dict[str, Any]] = None):
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"""Initialize AssetManager with configuration.
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Args:
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config: Configuration dictionary. Uses defaults if None.
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Raises:
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AssetManagerError: If initialization fails.
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"""
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self.config = self._merge_config(config or {})
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self.logger = logging.getLogger('markitect.assets')
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try:
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# Extract configuration
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assets_config = self.config.get('assets', {})
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# Set up paths
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self.storage_path = Path(
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assets_config.get('storage_path', DEFAULT_ASSETS_DIR)
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).resolve()
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self.registry_path = Path(
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assets_config.get('registry_path', DEFAULT_REGISTRY_FILENAME)
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).resolve()
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# Configuration options
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self.enable_deduplication = assets_config.get('enable_deduplication', True)
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self.default_conflict_resolution = assets_config.get(
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'default_conflict_resolution', 'backup'
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)
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# Validate configuration
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self._validate_configuration()
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# Initialize components
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self.registry = AssetRegistry(self.registry_path)
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self.deduplicator = AssetDeduplicator(self.storage_path, self.registry)
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self.packager = MarkdownPackager(self.registry, self.deduplicator)
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self.logger.info(f"AssetManager initialized with storage: {self.storage_path}")
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except Exception as e:
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raise AssetManagerError("Failed to initialize AssetManager", cause=e)
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@classmethod
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def from_config_manager(cls) -> 'AssetManager':
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"""Create AssetManager from ConfigurationManager.
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Returns:
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Initialized AssetManager instance.
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"""
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try:
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from markitect.config_manager import ConfigurationManager
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config_manager = ConfigurationManager()
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config = config_manager.get_current_config()
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return cls(config)
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except ImportError:
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# Fallback to default configuration
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return cls()
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except Exception as e:
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raise AssetManagerError("Failed to initialize from configuration manager", cause=e)
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def _merge_config(self, user_config: Dict[str, Any]) -> Dict[str, Any]:
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"""Merge user configuration with defaults.
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Args:
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user_config: User-provided configuration.
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Returns:
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Merged configuration dictionary.
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"""
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config = {}
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# Merge assets configuration
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assets_config = DEFAULT_CONFIG.copy()
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if 'assets' in user_config:
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assets_config.update(user_config['assets'])
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config['assets'] = assets_config
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# Add other top-level config as-is
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for key, value in user_config.items():
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if key != 'assets':
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config[key] = value
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return config
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def _validate_configuration(self) -> None:
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"""Validate configuration values.
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Raises:
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AssetManagerError: If configuration is invalid.
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"""
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# Check if storage path is valid
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if self.storage_path.exists() and not self.storage_path.is_dir():
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raise AssetManagerError(f"Storage path exists but is not a directory: {self.storage_path}")
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# Check registry path parent directory
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if not self.registry_path.parent.exists():
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try:
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self.registry_path.parent.mkdir(parents=True, exist_ok=True)
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except PermissionError:
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raise AssetManagerError(f"Cannot create registry directory: {self.registry_path.parent}")
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def add_asset(self, file_path: Path, description: Optional[str] = None) -> Dict[str, Any]:
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"""Add asset with automatic deduplication.
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Args:
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file_path: Path to the asset file.
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description: Optional description for the asset.
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Returns:
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Dictionary containing asset information and deduplication status.
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Raises:
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AssetError: If asset cannot be added.
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"""
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try:
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self.logger.info(f"Adding asset: {file_path}")
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# Store asset through deduplicator
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result = self.deduplicator.store_asset(file_path, description)
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# Log result
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if result.get('deduplicated'):
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self.logger.info(f"Asset deduplicated: {result['content_hash']}")
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else:
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self.logger.info(f"New asset stored: {result['content_hash']}")
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# Add friendly information
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result['description'] = description
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result['added_at'] = self.registry.get_asset(result['content_hash']).get('created_at')
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return result
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except Exception as e:
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self.logger.error(f"Failed to add asset {file_path}: {e}")
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if isinstance(e, AssetError):
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raise
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raise AssetError(f"Failed to add asset: {e}", cause=e)
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def get_asset_info(self, content_hash: str) -> Dict[str, Any]:
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"""Get detailed asset information by content hash.
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Args:
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content_hash: SHA-256 hash of the asset content.
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Returns:
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Dictionary containing detailed asset information.
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Raises:
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AssetManagerError: If asset is not found.
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"""
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try:
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asset_info = self.registry.get_asset(content_hash)
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# Add additional information
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stored_path = Path(asset_info['path'])
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asset_info['file_path'] = str(stored_path)
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asset_info['exists'] = stored_path.exists()
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if stored_path.exists():
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asset_info['actual_size'] = stored_path.stat().st_size
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# Add integrity check
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asset_info['integrity_valid'] = self.deduplicator.verify_asset_integrity(content_hash)
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return asset_info
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except Exception as e:
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if "not found" in str(e).lower():
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raise AssetManagerError(f"Asset not found: {content_hash}")
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raise AssetManagerError(f"Failed to get asset info: {e}", cause=e)
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def list_assets(self) -> List[Dict[str, Any]]:
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"""List all assets with enhanced information.
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Returns:
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List of asset information dictionaries.
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"""
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try:
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assets = self.registry.list_assets()
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# Enhance with additional information
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for asset in assets:
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stored_path = Path(asset['path'])
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asset['exists'] = stored_path.exists()
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asset['integrity_valid'] = self.deduplicator.verify_asset_integrity(
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asset['content_hash']
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)
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return assets
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except Exception as e:
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raise AssetManagerError(f"Failed to list assets: {e}", cause=e)
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def asset_exists(self, content_hash: str) -> bool:
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"""Check if asset exists by content hash.
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Args:
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content_hash: SHA-256 hash of the asset content.
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Returns:
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True if asset exists, False otherwise.
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"""
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return self.registry.asset_exists(content_hash)
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def remove_asset(self, content_hash: str) -> Dict[str, Any]:
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"""Remove asset by content hash.
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Args:
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content_hash: SHA-256 hash of the asset content.
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Returns:
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Dictionary with removal results.
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"""
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try:
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self.logger.info(f"Removing asset: {content_hash}")
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result = self.deduplicator.remove_stored_asset(content_hash)
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self.logger.info(f"Asset removed: {content_hash}")
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result['removed'] = result.get('registry_removed', False)
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return result
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except Exception as e:
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self.logger.error(f"Failed to remove asset {content_hash}: {e}")
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raise AssetManagerError(f"Failed to remove asset: {e}", cause=e)
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def create_package(self, source_dir: Path, package_path: Path,
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description: Optional[str] = None,
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exclude_patterns: Optional[List[str]] = None,
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metadata: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
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"""Create document package with assets.
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Args:
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source_dir: Directory containing files to package.
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package_path: Path for the output package file.
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description: Optional package description.
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exclude_patterns: File patterns to exclude from packaging.
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metadata: Optional metadata to include in package.
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Returns:
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Dictionary containing packaging results.
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"""
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try:
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self.logger.info(f"Creating package from {source_dir} to {package_path}")
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result = self.packager.create_package(
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source_dir, package_path, description, exclude_patterns, metadata
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)
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self.logger.info(f"Package created: {len(result['assets'])} assets processed")
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return result
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except Exception as e:
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self.logger.error(f"Failed to create package: {e}")
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raise AssetManagerError(f"Failed to create package: {e}", cause=e)
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def extract_package(self, package_path: Path, extract_dir: Path,
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restore_assets: bool = True) -> Dict[str, Any]:
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"""Extract package to workspace with asset restoration.
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Args:
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package_path: Path to the package file.
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extract_dir: Directory to extract files to.
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restore_assets: Whether to restore asset links.
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Returns:
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Dictionary containing extraction results.
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"""
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try:
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self.logger.info(f"Extracting package {package_path} to {extract_dir}")
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result = self.packager.extract_package(
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package_path, extract_dir, restore_symlinks=restore_assets
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)
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self.logger.info(f"Package extracted: {result['extracted_files']} files")
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return result
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except Exception as e:
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self.logger.error(f"Failed to extract package: {e}")
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raise AssetManagerError(f"Failed to extract package: {e}", cause=e)
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def get_storage_stats(self) -> Dict[str, Any]:
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"""Get asset storage statistics.
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Returns:
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Dictionary containing storage statistics.
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"""
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try:
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stats = self.deduplicator.list_stored_assets()
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# Add additional statistics
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stats['storage_path'] = str(self.storage_path)
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stats['registry_path'] = str(self.registry_path)
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stats['deduplication_enabled'] = self.enable_deduplication
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# Calculate storage efficiency (if deduplication is enabled)
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if stats['total_assets'] > 0:
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total_files = len(self.list_assets())
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if total_files > stats['total_assets']:
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stats['deduplication_ratio'] = stats['total_assets'] / total_files
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stats['space_saved_ratio'] = 1 - stats['deduplication_ratio']
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return stats
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except Exception as e:
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raise AssetManagerError(f"Failed to get storage statistics: {e}", cause=e)
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def verify_integrity(self, content_hash: Optional[str] = None) -> Dict[str, Any]:
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"""Verify integrity of assets.
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Args:
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content_hash: Specific asset to verify, or None for all assets.
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Returns:
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Dictionary containing integrity check results.
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"""
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try:
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if content_hash:
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# Verify specific asset
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valid = self.deduplicator.verify_asset_integrity(content_hash)
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return {
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'content_hash': content_hash,
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'valid': valid,
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'checked': 1
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}
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else:
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# Verify all assets
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assets = self.list_assets()
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valid_count = 0
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invalid_assets = []
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for asset in assets:
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hash_val = asset['content_hash']
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if self.deduplicator.verify_asset_integrity(hash_val):
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valid_count += 1
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else:
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invalid_assets.append(hash_val)
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return {
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'total_checked': len(assets),
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'valid_assets': valid_count,
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'invalid_assets': invalid_assets,
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'integrity_valid': len(invalid_assets) == 0
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}
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except Exception as e:
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raise AssetManagerError(f"Failed to verify integrity: {e}", cause=e)
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def cleanup_orphaned_assets(self) -> Dict[str, Any]:
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"""Clean up orphaned assets (in storage but not in registry).
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Returns:
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Dictionary containing cleanup results.
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"""
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try:
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self.logger.info("Starting orphaned asset cleanup")
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# This would involve scanning storage directory and comparing with registry
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# For minimal implementation, return placeholder
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return {
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'orphaned_files_found': 0,
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'orphaned_files_removed': 0,
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'space_reclaimed_bytes': 0
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}
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except Exception as e:
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raise AssetManagerError(f"Failed to cleanup orphaned assets: {e}", cause=e) |