annotate Lib/test/test_scope.py @ 58765:2ba7677bfa95 legacy-trunk

testCopysign was defined twice in test_math; combine the definitions
author Mark Dickinson <dickinsm@gmail.com>
date Sat, 06 Feb 2010 23:11:25 +0000
parents 17891566a478
children 07c7664f21a1
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13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
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1 import unittest
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2 from test.test_support import check_syntax_error, run_unittest
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3
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4 import warnings
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5 warnings.filterwarnings("ignore", r"import \*", SyntaxWarning, "<test string>")
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6 warnings.filterwarnings("ignore", r"import \*", SyntaxWarning, "<string>")
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7
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8 class ScopeTests(unittest.TestCase):
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9
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10 def testSimpleNesting(self):
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11
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12 def make_adder(x):
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13 def adder(y):
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14 return x + y
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15 return adder
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16
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17 inc = make_adder(1)
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18 plus10 = make_adder(10)
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19
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20 self.assertEqual(inc(1), 2)
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21 self.assertEqual(plus10(-2), 8)
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22
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23 def testExtraNesting(self):
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25 def make_adder2(x):
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26 def extra(): # check freevars passing through non-use scopes
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27 def adder(y):
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28 return x + y
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29 return adder
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30 return extra()
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31
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32 inc = make_adder2(1)
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33 plus10 = make_adder2(10)
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34
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35 self.assertEqual(inc(1), 2)
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36 self.assertEqual(plus10(-2), 8)
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37
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38 def testSimpleAndRebinding(self):
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39
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40 def make_adder3(x):
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41 def adder(y):
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42 return x + y
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43 x = x + 1 # check tracking of assignment to x in defining scope
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44 return adder
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45
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46 inc = make_adder3(0)
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47 plus10 = make_adder3(9)
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48
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49 self.assertEqual(inc(1), 2)
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50 self.assertEqual(plus10(-2), 8)
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51
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52 def testNestingGlobalNoFree(self):
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53
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54 def make_adder4(): # XXX add exta level of indirection
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55 def nest():
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56 def nest():
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57 def adder(y):
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58 return global_x + y # check that plain old globals work
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59 return adder
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60 return nest()
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61 return nest()
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62
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63 global_x = 1
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64 adder = make_adder4()
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65 self.assertEqual(adder(1), 2)
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66
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67 global_x = 10
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68 self.assertEqual(adder(-2), 8)
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69
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70 def testNestingThroughClass(self):
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71
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72 def make_adder5(x):
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73 class Adder:
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74 def __call__(self, y):
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75 return x + y
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76 return Adder()
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77
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78 inc = make_adder5(1)
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79 plus10 = make_adder5(10)
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80
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81 self.assertEqual(inc(1), 2)
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82 self.assertEqual(plus10(-2), 8)
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83
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84 def testNestingPlusFreeRefToGlobal(self):
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85
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86 def make_adder6(x):
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87 global global_nest_x
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88 def adder(y):
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89 return global_nest_x + y
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90 global_nest_x = x
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91 return adder
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92
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93 inc = make_adder6(1)
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94 plus10 = make_adder6(10)
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95
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96 self.assertEqual(inc(1), 11) # there's only one global
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97 self.assertEqual(plus10(-2), 8)
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98
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99 def testNearestEnclosingScope(self):
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100
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101 def f(x):
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102 def g(y):
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103 x = 42 # check that this masks binding in f()
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104 def h(z):
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105 return x + z
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106 return h
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107 return g(2)
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108
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109 test_func = f(10)
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110 self.assertEqual(test_func(5), 47)
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111
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112 def testMixedFreevarsAndCellvars(self):
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113
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114 def identity(x):
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115 return x
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116
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117 def f(x, y, z):
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118 def g(a, b, c):
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119 a = a + x # 3
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120 def h():
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121 # z * (4 + 9)
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122 # 3 * 13
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123 return identity(z * (b + y))
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124 y = c + z # 9
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125 return h
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126 return g
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127
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128 g = f(1, 2, 3)
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129 h = g(2, 4, 6)
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130 self.assertEqual(h(), 39)
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131
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132 def testFreeVarInMethod(self):
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133
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134 def test():
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135 method_and_var = "var"
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136 class Test:
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137 def method_and_var(self):
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138 return "method"
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139 def test(self):
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140 return method_and_var
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141 def actual_global(self):
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142 return str("global")
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143 def str(self):
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144 return str(self)
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145 return Test()
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146
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147 t = test()
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148 self.assertEqual(t.test(), "var")
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149 self.assertEqual(t.method_and_var(), "method")
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150 self.assertEqual(t.actual_global(), "global")
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151
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152 method_and_var = "var"
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153 class Test:
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154 # this class is not nested, so the rules are different
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155 def method_and_var(self):
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156 return "method"
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157 def test(self):
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158 return method_and_var
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159 def actual_global(self):
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160 return str("global")
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161 def str(self):
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162 return str(self)
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163
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164 t = Test()
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165 self.assertEqual(t.test(), "var")
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166 self.assertEqual(t.method_and_var(), "method")
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167 self.assertEqual(t.actual_global(), "global")
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168
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169 def testRecursion(self):
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170
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171 def f(x):
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172 def fact(n):
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173 if n == 0:
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174 return 1
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175 else:
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176 return n * fact(n - 1)
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177 if x >= 0:
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178 return fact(x)
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179 else:
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180 raise ValueError, "x must be >= 0"
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181
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182 self.assertEqual(f(6), 720)
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183
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184
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185 def testUnoptimizedNamespaces(self):
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186
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187 check_syntax_error(self, """\
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188 def unoptimized_clash1(strip):
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189 def f(s):
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190 from string import *
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191 return strip(s) # ambiguity: free or local
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192 return f
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193 """)
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194
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195 check_syntax_error(self, """\
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196 def unoptimized_clash2():
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197 from string import *
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198 def f(s):
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199 return strip(s) # ambiguity: global or local
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200 return f
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201 """)
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202
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203 check_syntax_error(self, """\
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204 def unoptimized_clash2():
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205 from string import *
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206 def g():
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207 def f(s):
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208 return strip(s) # ambiguity: global or local
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209 return f
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210 """)
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211
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212 # XXX could allow this for exec with const argument, but what's the point
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213 check_syntax_error(self, """\
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214 def error(y):
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215 exec "a = 1"
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216 def f(x):
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217 return x + y
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218 return f
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219 """)
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220
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221 check_syntax_error(self, """\
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222 def f(x):
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223 def g():
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224 return x
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225 del x # can't del name
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226 """)
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227
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228 check_syntax_error(self, """\
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229 def f():
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230 def g():
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231 from string import *
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232 return strip # global or local?
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233 """)
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234
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235 # and verify a few cases that should work
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236
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237 exec """
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238 def noproblem1():
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239 from string import *
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240 f = lambda x:x
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241
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242 def noproblem2():
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243 from string import *
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244 def f(x):
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245 return x + 1
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246
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247 def noproblem3():
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248 from string import *
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249 def f(x):
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250 global y
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251 y = x
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252 """
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253
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254 def testLambdas(self):
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255
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256 f1 = lambda x: lambda y: x + y
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257 inc = f1(1)
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258 plus10 = f1(10)
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259 self.assertEqual(inc(1), 2)
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260 self.assertEqual(plus10(5), 15)
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261
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262 f2 = lambda x: (lambda : lambda y: x + y)()
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263 inc = f2(1)
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264 plus10 = f2(10)
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265 self.assertEqual(inc(1), 2)
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266 self.assertEqual(plus10(5), 15)
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267
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268 f3 = lambda x: lambda y: global_x + y
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269 global_x = 1
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270 inc = f3(None)
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271 self.assertEqual(inc(2), 3)
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272
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273 f8 = lambda x, y, z: lambda a, b, c: lambda : z * (b + y)
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274 g = f8(1, 2, 3)
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275 h = g(2, 4, 6)
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276 self.assertEqual(h(), 18)
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277
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278 def testUnboundLocal(self):
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279
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280 def errorInOuter():
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281 print y
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282 def inner():
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283 return y
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284 y = 1
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285
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286 def errorInInner():
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287 def inner():
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288 return y
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289 inner()
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290 y = 1
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291
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292 self.assertRaises(UnboundLocalError, errorInOuter)
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293 self.assertRaises(NameError, errorInInner)
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294
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295 # test for bug #1501934: incorrect LOAD/STORE_GLOBAL generation
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296 exec """
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297 global_x = 1
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298 def f():
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299 global_x += 1
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300 try:
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301 f()
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302 except UnboundLocalError:
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303 pass
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304 else:
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305 fail('scope of global_x not correctly determined')
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306 """ in {'fail': self.fail}
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307
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308 def testComplexDefinitions(self):
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309
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310 def makeReturner(*lst):
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311 def returner():
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312 return lst
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313 return returner
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314
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315 self.assertEqual(makeReturner(1,2,3)(), (1,2,3))
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316
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317 def makeReturner2(**kwargs):
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318 def returner():
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319 return kwargs
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320 return returner
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321
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322 self.assertEqual(makeReturner2(a=11)()['a'], 11)
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323
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324 def makeAddPair((a, b)):
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325 def addPair((c, d)):
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326 return (a + c, b + d)
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327 return addPair
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328
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329 self.assertEqual(makeAddPair((1, 2))((100, 200)), (101,202))
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330
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331 def testScopeOfGlobalStmt(self):
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332 # Examples posted by Samuele Pedroni to python-dev on 3/1/2001
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333
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334 exec """\
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335 # I
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336 x = 7
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337 def f():
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338 x = 1
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339 def g():
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340 global x
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341 def i():
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342 def h():
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343 return x
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344 return h()
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345 return i()
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346 return g()
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347 self.assertEqual(f(), 7)
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348 self.assertEqual(x, 7)
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349
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350 # II
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351 x = 7
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352 def f():
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353 x = 1
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354 def g():
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355 x = 2
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356 def i():
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357 def h():
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358 return x
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359 return h()
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360 return i()
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361 return g()
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362 self.assertEqual(f(), 2)
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363 self.assertEqual(x, 7)
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364
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365 # III
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366 x = 7
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367 def f():
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368 x = 1
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369 def g():
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370 global x
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371 x = 2
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372 def i():
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373 def h():
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374 return x
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375 return h()
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376 return i()
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377 return g()
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378 self.assertEqual(f(), 2)
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379 self.assertEqual(x, 2)
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380
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381 # IV
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382 x = 7
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383 def f():
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384 x = 3
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385 def g():
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386 global x
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387 x = 2
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388 def i():
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389 def h():
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390 return x
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391 return h()
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392 return i()
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393 return g()
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394 self.assertEqual(f(), 2)
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395 self.assertEqual(x, 2)
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396
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397 # XXX what about global statements in class blocks?
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398 # do they affect methods?
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399
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400 x = 12
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401 class Global:
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402 global x
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403 x = 13
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404 def set(self, val):
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405 x = val
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406 def get(self):
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407 return x
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408
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409 g = Global()
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410 self.assertEqual(g.get(), 13)
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411 g.set(15)
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diff changeset
412 self.assertEqual(g.get(), 13)
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
413 """
17035
7e1e6725509e Add test to verify that nested functions with free variables don't
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16910
diff changeset
414
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
415 def testLeaks(self):
17055
743296ce052b Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 17035
diff changeset
416
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
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diff changeset
417 class Foo:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
418 count = 0
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
419
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
420 def __init__(self):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
421 Foo.count += 1
17035
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16910
diff changeset
422
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
423 def __del__(self):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
424 Foo.count -= 1
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
425
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
426 def f1():
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
427 x = Foo()
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
428 def f2():
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
429 return x
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
430 f2()
17035
7e1e6725509e Add test to verify that nested functions with free variables don't
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16910
diff changeset
431
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
432 for i in range(100):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
433 f1()
17055
743296ce052b Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 17035
diff changeset
434
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
435 self.assertEqual(Foo.count, 0)
17035
7e1e6725509e Add test to verify that nested functions with free variables don't
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16910
diff changeset
436
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
437 def testClassAndGlobal(self):
17105
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
438
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
439 exec """\
17105
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
440 def test(x):
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
441 class Foo:
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
442 global x
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
443 def __call__(self, y):
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
444 return x + y
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
445 return Foo()
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
446
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
447 x = 0
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
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diff changeset
448 self.assertEqual(test(6)(2), 8)
17105
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
449 x = -1
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
450 self.assertEqual(test(3)(2), 5)
17105
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
451
35773
0aef351223da Fix arigo's funky LOAD_NAME bug: implicit globals inside classes have
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35742
diff changeset
452 looked_up_by_load_name = False
0aef351223da Fix arigo's funky LOAD_NAME bug: implicit globals inside classes have
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35742
diff changeset
453 class X:
0aef351223da Fix arigo's funky LOAD_NAME bug: implicit globals inside classes have
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35742
diff changeset
454 # Implicit globals inside classes are be looked up by LOAD_NAME, not
0aef351223da Fix arigo's funky LOAD_NAME bug: implicit globals inside classes have
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35742
diff changeset
455 # LOAD_GLOBAL.
0aef351223da Fix arigo's funky LOAD_NAME bug: implicit globals inside classes have
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35742
diff changeset
456 locals()['looked_up_by_load_name'] = True
0aef351223da Fix arigo's funky LOAD_NAME bug: implicit globals inside classes have
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35742
diff changeset
457 passed = looked_up_by_load_name
0aef351223da Fix arigo's funky LOAD_NAME bug: implicit globals inside classes have
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35742
diff changeset
458
55002
6768b2350c57 convert usage of fail* to assert*
Benjamin Peterson <benjamin@python.org>
parents: 52520
diff changeset
459 self.assertTrue(X.passed)
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
460 """
35773
0aef351223da Fix arigo's funky LOAD_NAME bug: implicit globals inside classes have
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35742
diff changeset
461
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
462 def testLocalsFunction(self):
17105
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
463
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
464 def f(x):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
465 def g(y):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
466 def h(z):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
467 return y + z
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
468 w = x + y
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
469 y += 3
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
470 return locals()
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
471 return g
17105
8ff24abeb388 Add tests for recent changes:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17055
diff changeset
472
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
473 d = f(2)(4)
58198
0dd1aa33265f Reverting the Revision: 77368. I committed Flox's big patch for tests by
Senthil Kumaran <orsenthil@gmail.com>
parents: 58197
diff changeset
474 self.assertTrue(d.has_key('h'))
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
475 del d['h']
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
476 self.assertEqual(d, {'x': 2, 'y': 7, 'w': 6})
17494
a34293ced63b Change error message raised when free variable is not yet bound. It
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17105
diff changeset
477
40938
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
478 def testLocalsClass(self):
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
479 # This test verifies that calling locals() does not pollute
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
480 # the local namespace of the class with free variables. Old
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
481 # versions of Python had a bug, where a free variable being
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
482 # passed through a class namespace would be inserted into
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
483 # locals() by locals() or exec or a trace function.
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
484 #
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
485 # The real bug lies in frame code that copies variables
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
486 # between fast locals and the locals dict, e.g. when executing
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
487 # a trace function.
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
488
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
489 def f(x):
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
490 class C:
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
491 x = 12
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
492 def m(self):
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
493 return x
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
494 locals()
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
495 return C
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
496
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
497 self.assertEqual(f(1).x, 12)
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
498
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
499 def f(x):
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
500 class C:
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
501 y = x
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
502 def m(self):
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
503 return x
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
504 z = list(locals())
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
505 return C
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
506
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
507 varnames = f(1).z
58460
17891566a478 use assert[Not]In where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58198
diff changeset
508 self.assertNotIn("x", varnames)
17891566a478 use assert[Not]In where appropriate
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58198
diff changeset
509 self.assertIn("y", varnames)
40938
047ee23c0f87 Do not copy free variables to locals in class namespaces.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40284
diff changeset
510
48044
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
511 def testLocalsClass_WithTrace(self):
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
512 # Issue23728: after the trace function returns, the locals()
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
513 # dictionary is used to update all variables, this used to
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
514 # include free variables. But in class statements, free
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
515 # variables are not inserted...
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
516 import sys
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
517 sys.settrace(lambda a,b,c:None)
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
518 try:
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
519 x = 12
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
520
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
521 class C:
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
522 def f(self):
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
523 return x
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
524
48045
ba2767bd4620 don't use assert statement
Benjamin Peterson <benjamin@python.org>
parents: 48044
diff changeset
525 self.assertEquals(x, 12) # Used to raise UnboundLocalError
48044
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
526 finally:
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
527 sys.settrace(None)
b836bf25f176 Issue2378: pdb would delete free variables when stepping into a class statement.
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 45374
diff changeset
528
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
529 def testBoundAndFree(self):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
530 # var is bound and free in class
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17494
diff changeset
531
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
532 def f(x):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
533 class C:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
534 def m(self):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
535 return x
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
536 a = x
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
537 return C
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17494
diff changeset
538
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
539 inst = f(3)()
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
540 self.assertEqual(inst.a, inst.m())
17701
ded41be84da4 SF patch 419176 from MvL; fixed bug 418977
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
541
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
542 def testInteractionWithTraceFunc(self):
17701
ded41be84da4 SF patch 419176 from MvL; fixed bug 418977
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
543
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
544 import sys
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
545 def tracer(a,b,c):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
546 return tracer
17701
ded41be84da4 SF patch 419176 from MvL; fixed bug 418977
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
547
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
548 def adaptgetter(name, klass, getter):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
549 kind, des = getter
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
550 if kind == 1: # AV happens when stepping from this line to next
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
551 if des == "":
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
552 des = "_%s__%s" % (klass.__name__, name)
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
553 return lambda obj: getattr(obj, des)
17701
ded41be84da4 SF patch 419176 from MvL; fixed bug 418977
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
554
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
555 class TestClass:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
556 pass
17701
ded41be84da4 SF patch 419176 from MvL; fixed bug 418977
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
557
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
558 sys.settrace(tracer)
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
559 adaptgetter("foo", TestClass, (1, ""))
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
560 sys.settrace(None)
18886
c7bb9563b149 Fix for SF bug [ #443866 ] Evaluating func_code causing core dump
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18524
diff changeset
561
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
562 self.assertRaises(TypeError, sys.settrace)
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
563
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
564 def testEvalExecFreeVars(self):
22119
0859e764509e SF #506611, fix sys.setprofile(), sys.settrace() core dumps
Neal Norwitz <nnorwitz@gmail.com>
parents: 21431
diff changeset
565
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
566 def f(x):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
567 return lambda: x + 1
18886
c7bb9563b149 Fix for SF bug [ #443866 ] Evaluating func_code causing core dump
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18524
diff changeset
568
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
569 g = f(3)
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
570 self.assertRaises(TypeError, eval, g.func_code)
18886
c7bb9563b149 Fix for SF bug [ #443866 ] Evaluating func_code causing core dump
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18524
diff changeset
571
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
572 try:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
573 exec g.func_code in {}
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
574 except TypeError:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
575 pass
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
576 else:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
577 self.fail("exec should have failed, because code contained free vars")
19035
c1729cdc0734 silence warnings about import *
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18886
diff changeset
578
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
579 def testListCompLocalVars(self):
21395
560222e9d471 Add test for SF bug [ #492403 ] exec() segfaults on closure's func_code
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20518
diff changeset
580
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
581 try:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
582 print bad
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
583 except NameError:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
584 pass
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
585 else:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
586 print "bad should not be defined"
20518
23dc7bb0be4f Add test for local assigned to only in a nested list comp
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20089
diff changeset
587
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
588 def x():
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
589 [bad for s in 'a b' for bad in s.split()]
20518
23dc7bb0be4f Add test for local assigned to only in a nested list comp
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20089
diff changeset
590
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
591 x()
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
592 try:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
593 print bad
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
594 except NameError:
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
595 pass
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
596
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
597 def testEvalFreeVars(self):
20518
23dc7bb0be4f Add test for local assigned to only in a nested list comp
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 20089
diff changeset
598
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
599 def f(x):
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
600 def g():
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
601 x
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
602 eval("x + 1")
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
603 return g
23187
7c0e8dbcf57a Add test for eval() w/ free variables.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 22119
diff changeset
604
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
605 f(4)()
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
606
45374
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
607 def testFreeingCell(self):
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
608 # Test what happens when a finalizer accesses
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
609 # the cell where the object was stored.
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
610 class Special:
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
611 def __del__(self):
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
612 nestedcell_get()
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
613
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
614 def f():
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
615 global nestedcell_get
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
616 def nestedcell_get():
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
617 return c
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
618
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
619 c = (Special(),)
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
620 c = 2
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
621
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
622 f() # used to crash the interpreter...
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
623
52520
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
624 def testGlobalInParallelNestedFunctions(self):
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
625 # A symbol table bug leaked the global statement from one
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
626 # function to other nested functions in the same block.
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
627 # This test verifies that a global statement in the first
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
628 # function does not affect the second function.
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
629 CODE = """def f():
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
630 y = 1
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
631 def g():
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
632 global y
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
633 return y
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
634 def h():
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
635 return y + 1
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
636 return g, h
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
637
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
638 y = 9
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
639 g, h = f()
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
640 result9 = g()
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
641 result2 = h()
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
642 """
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
643 local_ns = {}
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
644 global_ns = {}
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
645 exec CODE in local_ns, global_ns
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
646 self.assertEqual(2, global_ns["result2"])
6910792fcd4b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 48045
diff changeset
647 self.assertEqual(9, global_ns["result9"])
45374
270fcd2e9782 Prevent a crash with nested scopes, again caused by calling Py_DECREF when the pointer
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 40938
diff changeset
648
23187
7c0e8dbcf57a Add test for eval() w/ free variables.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 22119
diff changeset
649
40217
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
650 def test_main():
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
651 run_unittest(ScopeTests)
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
652
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
653 if __name__ == '__main__':
13b8ad679def Convert test_global, test_scope and test_grammar to unittest.
Georg Brandl <georg@python.org>
parents: 39037
diff changeset
654 test_main()