Files
RustPython/extra_tests/snippets/builtins_module.py
2021-07-28 13:20:32 +09:00

33 lines
874 B
Python

from testutils import assert_raises
assert '__builtins__' in globals()
# assert type(__builtins__).__name__ == 'module'
with assert_raises(AttributeError):
__builtins__.__builtins__
assert __builtins__.__name__ == "builtins"
import builtins
assert builtins.__name__ == "builtins"
__builtins__.x = 'new'
assert x == 'new' # noqa: F821
exec('assert "__builtins__" in globals()', dict())
exec('assert __builtins__ == 7', {'__builtins__': 7})
exec('assert not isinstance(__builtins__, dict)')
exec('assert isinstance(__builtins__, dict)', {})
namespace = {}
exec('', namespace)
assert namespace['__builtins__'] == __builtins__.__dict__
# with assert_raises(NameError):
# exec('print(__builtins__)', {'__builtins__': {}})
# __builtins__ is deletable but names are alive
del __builtins__
with assert_raises(NameError):
__builtins__ # noqa: F821
assert print