引入模組

The modules described in this chapter provide new ways to import other Python modules and hooks for customizing the import process.

The full list of modules described in this chapter is:

• zipimport --- 從 Zip 封存檔案匯入模組
  • zipimporter 物件
  • 範例
• pkgutil --- 套件擴充工具程式
• modulefinder --- 搜尋腳本所使用的模組
  • ModuleFinder 的用法範例
• runpy --- 定位並執行 Python 模組
• importlib --- import 的實作
  • 簡介
  • 函式
  • importlib.abc -- Abstract base classes related to import
  • importlib.machinery -- Importers and path hooks
  • importlib.util -- Utility code for importers
  • 範例
    • Importing programmatically
    • Checking if a module can be imported
    • Importing a source file directly
    • Implementing lazy imports
    • Setting up an importer
    • Approximating importlib.import_module()
• importlib.resources -- 套件資源的讀取、開啟與存取
  • Functional API
• importlib.resources.abc -- 資源的抽象基底類別
• importlib.metadata -- 存取套件的元資料
  • Overview
  • Functional API
    • Entry points
    • Distribution metadata
    • Distribution versions
    • Distribution files
    • Distribution requirements
    • Mapping import to distribution packages
  • Distributions
  • Distribution Discovery
  • Implementing Custom Providers
    • Example
• sys.path 模組搜尋路徑的初始化
  • Virtual Environments
  • _pth 檔案
  • Embedded Python