ComfyUI-Manager: Core Backend (glob)

This directory contains the Python backend modules that power ComfyUI-Manager, handling the core functionality of node management, downloading, security, and server operations.

Core Modules

manager_core.py: The central implementation of management functions, handling configuration, installation, updates, and node management.
manager_server.py: Implements server functionality and API endpoints for the web interface to interact with the backend.
manager_downloader.py: Handles downloading operations for models, extensions, and other resources.
manager_util.py: Provides utility functions used throughout the system.

Specialized Modules

cm_global.py: Maintains global variables and state management across the system.
cnr_utils.py: Helper utilities for interacting with the custom node registry (CNR).
git_utils.py: Git-specific utilities for repository operations.
node_package.py: Handles the packaging and installation of node extensions.
security_check.py: Implements the multi-level security system for installation safety.
share_3rdparty.py: Manages integration with third-party sharing platforms.

Architecture

The backend follows a modular design pattern with clear separation of concerns:

Core Layer: Manager modules provide the primary API and business logic
Utility Layer: Helper modules provide specialized functionality
Integration Layer: Modules that connect to external systems

Security Model

The system implements a comprehensive security framework with multiple levels:

Block: Highest security - blocks most remote operations
High: Allows only specific trusted operations
Middle: Standard security for most users
Normal-: More permissive for advanced users
Weak: Lowest security for development environments

Implementation Details

The backend is designed to work seamlessly with ComfyUI
Asynchronous task queuing is implemented for background operations
The system supports multiple installation modes
Error handling and risk assessment are integrated throughout the codebase

API Integration

The backend exposes a REST API via manager_server.py that enables:

Custom node management (install, update, disable, remove)
Model downloading and organization
System configuration
Snapshot management
Workflow component handling

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