complete document of sub system package_manager.

src/component/package_manager/env.py

@@ -2,8 +2,9 @@
 import logging
 import toml
 
-from .pkg import PackageInfo,PackageMediaInfo 
-from .installer import PackageInstaller
+from .pkg import PackageInfo,PackageMediaInfo,
+from .env import PackageEnv
+from .installer import PackageInstaller,PackageInstallTask
 
 logger = logging.getLogger(__name__)
 

src/component/package_manager/installer.py

@@ -4,6 +4,7 @@ import asyncio
 import aiohttp
 import aiofiles
 import os
+from typing import Tuple
 
 from ndn_client import ContentId,NDN_Client
 from .pkg import PackageInfo,PackageMediaInfo

src/component/package_manager/media_reader.py

@@ -1,4 +1,4 @@
-class media_reader:
+class MediaReader:
     def __init__(self):
         pass