On 2月3日, 上午8时59分, CFAN <[EMAIL PROTECTED]> wrote: > First Set up the following files, > > m1.py > --------------------- > #Module A > import m2 > var1 = "ModuleM1" > > m2.py > --------------------- > #Module B > import m3 > var1 = "ModuleM2" > > m3.py > --------------------- > #Module C > import m1 > var1 = "ModuleM3" > > main.py > ---------------------- > import m3 > print m3.var1 > print m3.m1.var1 > print m3.m1.m2.var1 > print m3.m1.m2.m3.var1 > > Then to run main.py > the result is : > > ModuleM3 > ModuleA > 8 > Traceback (most recent call last): > File "D:\WorkTools\ActivePython\Lib\site-packages\pythonwin\pywin > \framework\scriptutils.py", line 310, in RunScript > exec codeObject in __main__.__dict__ > File "C:\Documents and Settings\yoyo\My Documents\Script4.py", line > 5, in ? > print m3.m1.m2.m3.var1 > AttributeError: 'module' object has no attribute 'm3' > > ,can any one explain it, this test is inspired by Python Programming > which says that the moudle can reference in > the circular manner, and I got wired about it and then try this test. > the result that 'module' object has no attribute 'm3' seems okay ,if i > assumes that import only import a module once, but how about the reult > "ModuleA " and even "8" ?
The result is got from Pythonwin Shell , and I'v try it from command C:\Documents and Settings\yoyo\My Documents>python Script4.py ModuleM3 ModuleM1 ModuleM2 it seems the it really works -- http://mail.python.org/mailman/listinfo/python-list
