[Python-Dev] A reference leak with PyType_FromSpec (original) (raw)
Antoine Pitrou solipsis at pitrou.net
Fri Jun 22 21:23:10 CEST 2012
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Hi,
As mentioned in the commit message for 96513d71e650, creating a type using PyType_FromSpec seems to leak references when the type is instantiated. This happens with SSLError:
e = ssl.SSLError() sys.getrefcount(ssl.SSLError) 35 e = ssl.SSLError() sys.getrefcount(ssl.SSLError) 36 e = ssl.SSLError() sys.getrefcount(ssl.SSLError) 37
(the SSLError definition is quite simple; it only uses the Py_tp_base, Py_tp_doc and Py_tp_str slots)
The SSLError subclasses, e.g. SSLWantReadError, which are created using PyErr_NewExceptionWithDoc, are not affected:
e = ssl.SSLWantReadError() sys.getrefcount(ssl.SSLWantReadError) 8 e = ssl.SSLWantReadError() sys.getrefcount(ssl.SSLWantReadError) 8 e = ssl.SSLWantReadError() sys.getrefcount(ssl.SSLWantReadError) 8
Regards
Antoine.
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