It adds another way to extend plugins without resorting to the versioning system.
Until now, every baseldap command had two callbacks. The pre-callback called before data was passed to python-ldap and the post-callback called after.
This patch introduces class methods, that enable the registration of new pre/post callbacks. It supports top level functions as well, so you don't have to touch the original class at all.
It works likes this: from ipalib.plugins.user import user_show def test_callback(inst, ldap, dn, attrs_list, *keys, **options): inst.log.info('hello callback world!') attrs_list = ['uid'] # only retrieve the user name return dn user_show.register_pre_callback(test_callback) The original callbacks defined in the class are always called first. Pavel
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