> > Maybe it could be as simple as saving a snapshot of > > sys.modules whenever importing of a module is begun, > > and if execution of its body doesn't complete, restoring > > the snapshot? > > This is exactly what I thought of. > It seems to be correct, also with nested imports, > since this is a stack-like structure of undoable things. What happens in the presence of threads, though? Greg Ewing, Computer Science Dept, +--------------------------------------+ University of Canterbury, | A citizen of NewZealandCorp, a | Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. | greg at cosc.canterbury.ac.nz +--------------------------------------+
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