Python模块 实现过渡性模块重载

"""
reloadall.py: transitively reload nested modules
"""


import types
from imp import reload

def status(module):
    print (‘reloading ‘+module.__name__)


def transitive_reload(module, visited):
    if not module in visited:
        status(module)
        reload(module)
        visited[module]=None 
   
    for attrobj in module.__dict__.values():
        if type(attrobj)==types.ModuleType:
            transitive_reload(attrobj, visited)

def reload_all(*args):
    visited={}
    for arg in args:
        transitive_reload(arg, visited)


if __name__=="__main__":
    import reloadall
    reload_all(reloadall)