Penpot MCP Server

""" Cache utilities for Penpot MCP server. """ import time from typing import Any, Dict, Optional class MemoryCache: """In-memory cache implementation with TTL support.""" def __init__(self, ttl_seconds: int = 600): """ Initialize the memory cache. Args: ttl_seconds: Time to live in seconds (default 10 minutes) """ self.ttl_seconds = ttl_seconds self._cache: Dict[str, Dict[str, Any]] = {} def get(self, file_id: str) -> Optional[Dict[str, Any]]: """ Get a file from cache if it exists and is not expired. Args: file_id: The ID of the file to retrieve Returns: The cached file data or None if not found/expired """ if file_id not in self._cache: return None cache_data = self._cache[file_id] # Check if cache is expired if time.time() - cache_data['timestamp'] > self.ttl_seconds: del self._cache[file_id] # Remove expired cache return None return cache_data['data'] def set(self, file_id: str, data: Dict[str, Any]) -> None: """ Store a file in cache. Args: file_id: The ID of the file to cache data: The file data to cache """ self._cache[file_id] = { 'timestamp': time.time(), 'data': data } def clear(self) -> None: """Clear all cached files.""" self._cache.clear() def get_all_cached_files(self) -> Dict[str, Dict[str, Any]]: """ Get all valid cached files. Returns: Dictionary mapping file IDs to their cached data """ result = {} current_time = time.time() # Create a list of expired keys to remove expired_keys = [] for file_id, cache_data in self._cache.items(): if current_time - cache_data['timestamp'] <= self.ttl_seconds: result[file_id] = cache_data['data'] else: expired_keys.append(file_id) # Remove expired entries for key in expired_keys: del self._cache[key] return result