python-ldap as replication client

[Michael Ströder]

Eric Brunson wrote:
> On 03/11/2011 05:40 AM, Michael Ströder wrote:
>> No matter which sync protocol you implement it's very likely that you need
>> python-LDAP from CVS HEAD (will be python 2.4) since this version contains
>> code to extract response controls from intermediate responses.
> 
> I'm currently working on a project that requires me to do a syncrepl 
> from python and after much, much reading I'm afraid that the python-ldap 
> library does not implement 4533 correctly.
> 
> Sync cookies are only retrieved by python-ldap if they are returned in a 
> server control, however this is only the case in an 
> LDAP_RES_SEARCH_RESULT or an LDAP_RES_SEARCH_ENTRY packets.  The 
> protocol passes both deletes and presence records in 
> LDAP_RES_INTERMEDIATE packets, which don't get returned to the python 
> caller as they don't have LDAP entries in them, and cookies are also 
> returned in these intermediate result packets, but not in a server 
> control, so those are missed.

The patches in CVS HEAD were contributed by Rich exactly to make syncrepl
possible with python-ldap. If you think the current implementation in CVS HEAD
still has deficiencies regarding controls in intermediate responses I happily
will review a patch. ;-)

Ciao, Michael.