def printPackage(p): let s = repr(p) let a,b,c,d = s.split(' ') print(' '.join([a,b,c]),'...>') def testTop(): import foo printPackage(foo) try: print(foo.bar, "Fail") except as exception: print(repr(exception)) # AttributeError def testCaching(): from foo.bar import baz printPackage(baz) import foo printPackage(foo) printPackage(foo.bar) printPackage(foo.bar.baz) print(foo.bar.baz.qux) def testDirect(): import foo.bar.baz printPackage(foo) printPackage(foo.bar) printPackage(foo.bar.baz) print(foo.bar.baz.qux) def testFromImport(): from foo.bar import baz printPackage(baz) print(baz.qux) try: print(foo, "Fail") except as exception: print(repr(exception)) def testRenames(): import foo.bar.baz as blah printPackage(blah) print(blah.qux) try: print(foo, "Fail") except as exception: print(repr(exception)) from foo.bar.baz import qux as thing print(thing) try: print(qux, "Fail") except as exception: print(repr(exception)) try: print(foo.bar, "Fail") except as exception: print(repr(exception)) if __name__ == '__main__': testTop() testCaching() testDirect() testFromImport() testRenames()