[issue1943] improved allocation of PyUnicode objects

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

I just found that the extension zope.i18nmessageid: http://pypi.python.org/pypi/zope.i18nmessageid subclasses unicode at the C level:
http://svn.zope.org/zope.i18nmessageid/trunk/src/zope/i18nmessageid/_zope_i18nmessageid_message.c?rev=120914&view=markup

Notably, the Message structure is defined this way:
typedef struct {
  PyUnicodeObject base;
  PyObject *domain;
  PyObject *default_;
  PyObject *mapping;
} Message;

How would such an extension type behave after the patch? Is there a workaround we can propose?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue1943>
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