Author brandtbucher
Recipients brandtbucher
Date 2021-03-02.19:49:51
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Message-id <1614714591.46.0.224854150713.issue43376@roundup.psfhosted.org>
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I recently came across a case where this functionality would be quite useful (parsing complex values from delimited text files). We have PyLong_FromString and PyFloat_FromString, but no PyComplex_FromString (I can't find a reason why it might have been deliberately omitted).

I *think* the best current workaround is to use sscanf to parse out two floats, then feed that to PyComplex_FromDoubles, which is non-trivial.

Do others support this addition? I imagine we would just use something similar to the _Py_string_to_number_with_underscores call at the end of complex_subtype_from_string in Objects/complexobject.c.
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2021-03-02 19:49:51brandtbuchersetmessageid: <1614714591.46.0.224854150713.issue43376@roundup.psfhosted.org>
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2021-03-02 19:49:51brandtbuchercreate