New submission from Jeff Zhang:
I want to use pickle in compile/exec, but it doesn't work for me. It only works
when I use the global namespace. But I don't want to use global namespace, is
there any way for that ? Thanks
>>> a = compile("def f():\n\t'hello'\nimport pickle\npickle.dumps(f)",
>>> "<stdin>", "exec")
>>> exec(a) # works
>>> exec(a, {}) # fails
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 4, in <module>
_pickle.PicklingError: Can't pickle <function f at 0x1050881e0>: it's not the
same object as __main__.f
>>> exec(a, {'__name__': '__main__'}) # fails too
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 4, in <module>
_pickle.PicklingError: Can't pickle <function f at 0x1050882f0>: it's not the
same object as __main__.f
----------
components: Library (Lib)
messages: 293032
nosy: Jeff Zhang
priority: normal
severity: normal
status: open
title: pickle doesn't work in compile/exec
type: enhancement
versions: Python 3.5
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Python tracker <[email protected]>
<http://bugs.python.org/issue30275>
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