forked from Rust-related/RustPython
67 lines
1.4 KiB
Python
67 lines
1.4 KiB
Python
exec("def square(x):\n return x * x\n")
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assert 16 == square(4) # noqa: F821
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d = {}
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exec("def square(x):\n return x * x\n", {}, d)
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assert 16 == d['square'](4)
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exec("assert 2 == x", {}, {'x': 2})
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exec("assert 2 == x", {'x': 2}, {})
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exec("assert 4 == x", {'x': 2}, {'x': 4})
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exec("assert max(1, 2) == 2", {}, {})
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exec("assert max(1, 5, square(5)) == 25", None)
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# Local environment shouldn't replace global environment:
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exec("assert max(1, 5, square(5)) == 25", None, {})
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# Closures aren't available if local scope is replaced:
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def g():
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seven = "seven"
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def f():
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try:
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exec("seven", None, {})
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except NameError:
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pass
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else:
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raise NameError("seven shouldn't be in scope")
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f()
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g()
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try:
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exec("", 1)
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except TypeError:
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pass
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else:
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raise TypeError("exec should fail unless globals is a dict or None")
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g = globals()
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g['x'] = 2
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exec('x += 2')
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assert x == 4 # noqa: F821
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assert g['x'] == x # noqa: F821
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exec("del x")
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assert 'x' not in g
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assert 'g' in globals()
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assert 'g' in locals()
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exec("assert 'g' in globals()")
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exec("assert 'g' in locals()")
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exec("assert 'g' not in globals()", {})
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exec("assert 'g' not in locals()", {})
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del g
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def f():
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g = 1
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assert 'g' not in globals()
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assert 'g' in locals()
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exec("assert 'g' not in globals()")
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exec("assert 'g' in locals()")
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exec("assert 'g' not in globals()", {})
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exec("assert 'g' not in locals()", {})
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f()
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