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[3.11] GH-94808: Test __build_class__ inside non-dict __builtins__ (GH-95932) #96004

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Merged
pablogsal merged 1 commit into from
Sep 8, 2022
Merged

[3.11] GH-94808: Test __build_class__ inside non-dict __builtins__ (GH-95932) #96004

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GH-94808: Test __build_class__ inside non-dict __builtins__ (GH-95932) 
(cherry picked from commit 3adb4d8)

Co-authored-by: Michael Droettboom <mdboom@gmail.com>
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@mdboom @miss-islington
mdboom authored and miss-islington committed Aug 15, 2022
commit 0889e3048d0849a1cf6112557d1b59340053ba9c
14 changes: 9 additions & 5 deletions Lib/test/test_builtin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -737,11 +737,6 @@ def test_exec_globals(self):
self.assertRaises(TypeError,
exec, code, {'__builtins__': 123})

# no __build_class__ function
code = compile("class A: pass", "", "exec")
self.assertRaisesRegex(NameError, "__build_class__ not found",
exec, code, {'__builtins__': {}})

class frozendict_error(Exception):
pass

Expand All @@ -758,6 +753,15 @@ def __setitem__(self, key, value):
self.assertRaises(frozendict_error,
exec, code, {'__builtins__': frozen_builtins})

# no __build_class__ function
code = compile("class A: pass", "", "exec")
self.assertRaisesRegex(NameError, "__build_class__ not found",
exec, code, {'__builtins__': {}})
# __build_class__ in a custom __builtins__
exec(code, {'__builtins__': frozen_builtins})
self.assertRaisesRegex(NameError, "__build_class__ not found",
exec, code, {'__builtins__': frozendict()})

# read-only globals
namespace = frozendict({})
code = compile("x=1", "test", "exec")
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