#14017: Determine the correct argspec for python functions defined in cython
files
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Reporter: SimonKing | Owner: jason
Type: defect | Status: new
Priority: major | Milestone: sage-5.7
Component: misc | Resolution:
Keywords: introspection cython argspec | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by SimonKing):
Here is another example I am currently not happy with:
{{{
sage: cython("""
def test():
return 1
def f(x,y={test():2},**kwds):pass
"""
)
sage: sage_getargspec(f)
ArgSpec(args=['x', 'y'], varargs=None, keywords='kwds', defaults=({None:
2},))
}}}
Hence, the default for 'y' is given as `{None: 2}`, but in fact it should
be `{1: 2}`.
As much as I know, Cython does not make the default values available via
attributes of a function, unlike Python. And even if one would try to find
the actual value by evaluating the string `'{test():2}'` in the module's
name space, things could go terribly wrong.
Is someone reading this? How should we proceed in this situation?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14017#comment:6>
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