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python reload re-import module
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| import importlib | |
| importlib.reload(some_module) | |
| reload() 只能接模块对象，如果要接'str', 需要先 import_module() | |
| 包下可以是模块；也可以是__init__里import进来的对象。 | |
| 如果是from xxx import A，要热加载A，必须热加载xxx。 | |
| 如何根据A找到xxx？ | |
| 获取cls对象，cls.__module__ | |
| 也可以直接从sys.modules获取模块实例，然后reload | |
| step | |
| A属性 | |
| a.py | |
| A属性 | |
| app.py 使用step.A获取A. 必须reload(step) | |
| 获取模块的文件路径 module_a.__file__ os.path.abspath(module_a.__file__) | |
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