Added sub-module ldap.controls.pagedresults

CHANGES

@@ -6,6 +6,8 @@ Changes since 2.4.18:
 Lib/
 * Fixed missing ReconnectLDAPObject._reconnect_lock when pickling
   (see SF#64, thanks to Dan O'Reilly)
+* Added ldap.controls.pagedresults which as pure Python implementation of 
+  Simple Paged Results Control (see RFC 2696)
 
 ----------------------------------------------------------------
 Released 2.4.18 2014-10-09
@@ -1141,4 +1143,4 @@ Released 2.0.0pre02 2002-02-01
 ----------------------------------------------------------------
 Released 1.10alpha3 2000-09-19
 
-$Id: CHANGES,v 1.334 2014/11/23 18:51:53 stroeder Exp $
+$Id: CHANGES,v 1.335 2014/12/12 09:59:40 stroeder Exp $

Lib/ldap/controls/pagedresults.py

@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+"""
+ldap.controls.paged - classes for Simple Paged control
+(see RFC 2696)
+
+See http://www.python-ldap.org/ for project details.
+
+$Id: pagedresults.py,v 1.1 2014/12/12 09:59:40 stroeder Exp $
+"""
+
+__all__ = [
+  'SimplePagedResultsControl'
+]
+
+# Imports from python-ldap 2.4+
+import ldap.controls
+from ldap.controls import RequestControl,ResponseControl,KNOWN_RESPONSE_CONTROLS
+
+# Imports from pyasn1
+from pyasn1.type import tag,namedtype,univ,constraint
+from pyasn1.codec.ber import encoder,decoder
+from pyasn1_modules.rfc2251 import LDAPString
+
+
+class PagedResultsControlValue(univ.Sequence):
+  componentType = namedtype.NamedTypes(
+    namedtype.NamedType('size',univ.Integer()),
+    namedtype.NamedType('cookie',LDAPString()),
+  )
+
+
+class SimplePagedResultsControl(RequestControl,ResponseControl):
+  controlType = '1.2.840.113556.1.4.319'
+
+  def __init__(self,criticality=False,size=10,cookie=''):
+    self.criticality = criticality
+    self.size = size
+    self.cookie = cookie or ''
+
+  def encodeControlValue(self):
+    pc = PagedResultsControlValue()
+    pc.setComponentByName('size',univ.Integer(self.size))
+    pc.setComponentByName('cookie',LDAPString(self.cookie))
+    return encoder.encode(pc)
+
+  def decodeControlValue(self,encodedControlValue):
+    print '***',self.__class__.__module__,self.__class__.__name__
+    decodedValue,_ = decoder.decode(encodedControlValue,asn1Spec=PagedResultsControlValue())
+    self.size = int(decodedValue.getComponentByName('size'))
+    self.cookie = str(decodedValue.getComponentByName('cookie'))
+
+
+KNOWN_RESPONSE_CONTROLS[SimplePagedResultsControl.controlType] = SimplePagedResultsControl