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ambiguity: free or local return f sƒdef unoptimized_clash2(): from string import * def f(s): return strip(s) # ambiguity: global or local return f sœdef unoptimized_clash2(): from string import * def g(): def f(s): return strip(s) # ambiguity: global or local return f sOdef error(y): exec "a = 1" def f(x): return x + y return f sCdef f(x): def g(): return x del x # can't del name s[def f(): def g(): from string import * return strip # global or local? sç def noproblem1(): from string import * f = lambda x:x def noproblem2(): from string import * def f(x): return x + 1 def noproblem3(): from string import * def f(x): global y y = x (R(R ((s,/mit/python/lib/python2.6/test/test_scope.pyttestUnoptimizedNamespaces¹sc sd„}|dƒ}|dƒ}|i|dƒdƒ|i|dƒdƒd„}|dƒ}|dƒ}|i|dƒdƒ|i|dƒdƒ‡fd†}d‰|dƒ}|i|dƒd ƒd „}|ddd ƒ}|dd d ƒ}|i|ƒd ƒdS(Ncs ‡fd†S(csˆ|S(((R(R(s,/mit/python/lib/python2.6/test/test_scope.pyts((R((Rs,/mit/python/lib/python2.6/test/test_scope.pyR9sii iiics‡fd†ƒS(cs ‡fd†S(csˆ|S(((R(R(s,/mit/python/lib/python2.6/test/test_scope.pyR9s(((R(s,/mit/python/lib/python2.6/test/test_scope.pyR9s((R((Rs,/mit/python/lib/python2.6/test/test_scope.pyR9scs ‡fd†S(csˆ|S(((R(R(s,/mit/python/lib/python2.6/test/test_scope.pyR9 s((R(R(s,/mit/python/lib/python2.6/test/test_scope.pyR9 sics‡‡fd†S(cs‡‡‡fd†S(cs ˆˆˆS((((RRR&(s,/mit/python/lib/python2.6/test/test_scope.pyR9s((R'R&R((RR(R&s,/mit/python/lib/python2.6/test/test_scope.pyR9s((RRR((RRs,/mit/python/lib/python2.6/test/test_scope.pyR9siii(RtNone( R tf1R R tf2tf3tf8R!R ((Rs,/mit/python/lib/python2.6/test/test_scope.pyt testLambdasþs$        c Bs~d„}d„}y |ƒWnej on X|iƒy |ƒWnej on X|iƒdh|id6UdS(NcsˆGH‡fd†}d‰dS(NcsˆS(N(((R(s,/mit/python/lib/python2.6/test/test_scope.pytinnersi((R@((Rs,/mit/python/lib/python2.6/test/test_scope.pyt errorInOuterscs ‡fd†}|ƒd‰dS(NcsˆS(N(((R(s,/mit/python/lib/python2.6/test/test_scope.pyR@si((R@((Rs,/mit/python/lib/python2.6/test/test_scope.pyt errorInInnerss– global_x = 1 def f(): global_x += 1 try: f() except UnboundLocalError: pass else: fail('scope of global_x not correctly determined') tfail(tUnboundLocalErrorRCt NameError(R RARB((s,/mit/python/lib/python2.6/test/test_scope.pyttestUnboundLocals      cCszd„}|i|dddƒƒd ƒd„}|i|ddƒƒddƒd„}|i|dƒdƒdƒdS(Ncs‡fd†}|S(NcsˆS(N(((tlst(s,/mit/python/lib/python2.6/test/test_scope.pytreturnerBs((RGRH((RGs,/mit/python/lib/python2.6/test/test_scope.pyt makeReturnerAsiiics‡fd†}|S(NcsˆS(N(((tkwargs(s,/mit/python/lib/python2.6/test/test_scope.pyRHIs((RJRH((RJs,/mit/python/lib/python2.6/test/test_scope.pyt makeReturner2HsR'i cs"|\‰‰‡‡fd†}|S(Ncs|\}}ˆ|ˆ|fS(N((t.0R(td(R'R&(s,/mit/python/lib/python2.6/test/test_scope.pytaddPairPs ((RLR'R&RN((R'R&s,/mit/python/lib/python2.6/test/test_scope.pyt makeAddPairOs idiÈieiÊ(iii(ii(idiÈ(ieiÊ(R(R RIRKRO((s,/mit/python/lib/python2.6/test/test_scope.pyttestComplexDefinitions?s     cBs ddUdS(NsÉ# I x = 7 def f(): x = 1 def g(): global x def i(): def h(): return x return h() return i() return g() self.assertEqual(f(), 7) self.assertEqual(x, 7) # II x = 7 def f(): x = 1 def g(): x = 2 def i(): def h(): return x return h() return i() return g() self.assertEqual(f(), 2) self.assertEqual(x, 7) # III x = 7 def f(): x = 1 def g(): global x x = 2 def i(): def h(): return x return h() return i() return g() self.assertEqual(f(), 2) self.assertEqual(x, 2) # IV x = 7 def f(): x = 3 def g(): global x x = 2 def i(): def h(): return x return h() return i() return g() self.assertEqual(f(), 2) self.assertEqual(x, 2) # XXX what about global statements in class blocks? # do they affect methods? x = 12 class Global: global x x = 13 def set(self, val): x = val def get(self): return x g = Global() self.assertEqual(g.get(), 13) g.set(15) self.assertEqual(g.get(), 13) ((R ((s,/mit/python/lib/python2.6/test/test_scope.pyttestScopeOfGlobalStmtVsRcs]dd‡fd†ƒY‰‡fd†}xtdƒD] }|ƒq5W|iˆidƒdS(NtFoocs,eZdZ‡fd†Z‡fd†ZRS(icsˆid7_dS(Ni(tcount(R (RR(s,/mit/python/lib/python2.6/test/test_scope.pyt__init__¯scsˆid8_dS(Ni(RS(R (RR(s,/mit/python/lib/python2.6/test/test_scope.pyt__del__²s(RRRSRTRU((RR(s,/mit/python/lib/python2.6/test/test_scope.pyRR¬scs#ˆƒ‰‡fd†}|ƒdS(NcsˆS(N(((R(s,/mit/python/lib/python2.6/test/test_scope.pyR<·s((R<(RR(Rs,/mit/python/lib/python2.6/test/test_scope.pyR;µs idi((trangeRRS(R R;ti((RRs,/mit/python/lib/python2.6/test/test_scope.pyt testLeaksªs    cBs ddUdS(Ns³def test(x): class Foo: global x def __call__(self, y): return x + y return Foo() x = 0 self.assertEqual(test(6)(2), 8) x = -1 self.assertEqual(test(3)(2), 5) looked_up_by_load_name = False class X: # 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