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Allow to pickle a unbound connection #588

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Allow to pickle a unbound connection #588

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9a0bfec
test(t_ldapobject): test pickling unbound connection
spaceone Jul 8, 2025
8f1616d
fix(ldapobject): allow pickling with unbound connection
spaceone Jul 8, 2025
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8 changes: 6 additions & 2 deletions Lib/ldap/ldapobject.py
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Original file line number Diff line number Diff line change
Expand Up @@ -877,7 +877,10 @@ def __getstate__(self):
for k,v in self.__dict__.items()
if k not in self.__transient_attrs__
}
state['_last_bind'] = self._last_bind[0].__name__, self._last_bind[1], self._last_bind[2]
if self._last_bind is None:
state['_last_bind'] = None
else:
state['_last_bind'] = self._last_bind[0].__name__, self._last_bind[1], self._last_bind[2]
return state

def __setstate__(self,d):
Expand All @@ -888,7 +891,8 @@ def __setstate__(self,d):
else:
d.setdefault('bytes_strictness', 'warn')
self.__dict__.update(d)
self._last_bind = getattr(SimpleLDAPObject, self._last_bind[0]), self._last_bind[1], self._last_bind[2]
if self._last_bind is not None:
self._last_bind = getattr(SimpleLDAPObject, self._last_bind[0]), self._last_bind[1], self._last_bind[2]
self._ldap_object_lock = self._ldap_lock()
self._reconnect_lock = ldap.LDAPLock(desc='reconnect lock within %s' % (repr(self)))
# XXX cannot pickle file, use default trace file
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10 changes: 9 additions & 1 deletion Tests/t_ldapobject.py
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Original file line number Diff line number Diff line change
Expand Up @@ -617,12 +617,20 @@ def test103_reconnect_get_state(self):
)

def test104_reconnect_restore(self):
l1 = self.ldap_object_class(self.server.ldap_uri)
l0 = self.ldap_object_class(self.server.ldap_uri)

l0_state = pickle.dumps(l0)
del l0
l1 = pickle.loads(l0_state)
self.assertEqual(l1.whoami_s(), '')

bind_dn = 'cn=user1,'+self.server.suffix
l1.simple_bind_s(bind_dn, 'user1_pw')

self.assertEqual(l1.whoami_s(), 'dn:'+bind_dn)
l1_state = pickle.dumps(l1)
del l1

l2 = pickle.loads(l1_state)
self.assertEqual(l2.whoami_s(), 'dn:'+bind_dn)

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