LDIF Generation using Python-LDAP

[Michael Ströder]

Guruprasad wrote:
> Hi,
> 2009/5/16 Michael Ströder <michael at stroeder.com>:
>> Guruprasad wrote:
>>> 2009/5/16 Michael Ströder <michael at stroeder.com>:
>>>> Guruprasad wrote:
>>>>> Hi,
>>>>> I tried generating a LDIF file from a dictionary using 'ldif' module
>>>>> as illustrated in http://www.python-ldap.org/doc/html/ldif.html. But
>>>>> at the end of the LDIF data, I get a newline and a 'None', whereas
>>>>> there is no such thing in the result shown in that example. How to get
>>>>> rid of those unwanted characters. I am using Python-LDAP 2.3.5-1 on
>>>>> Debian Lenny.
>>>> Could you please post your code (in a short form) demonstrating the
>>>> issue? Note that there is a new-line after each entry record. But was
>>>> 'None' is in your case is not clear to me.
>>>>
>>> Basically what I am trying to do with this code is that, I manipulate
>>> the result returned by ldapsearch to remove some attributes and
>>> generate a LDIF output for the modified entry.
>>>
>>> <code>
>>>         res_type, result_data=l.result(res_id,0)
>>>         if (result_data==[]):
>>>             break
>>>         dn=result_data[0][0]
>>>       resd=result_data[0][1]
>>>         resd["objectClass"].remove("inetLocalMailRecipient")
>>>           resd["objectClass"].remove("organizationalPerson")
>>>           resd["objectClass"].remove("inetOrgPerson")
>>>         resd["objectClass"].remove("posixAccount")
>>>         lw=ldif.LDIFWriter(sys.stdout)
>>>       guru=lw.unparse(dn,resd)
>>>       print guru
>>> </code>
>> Your code looks like processing of LDAP search results (because of the
>> res_type). I'd recommend to look at the actual data in dictionary resd.
>> Also note that the identiation seems wrong. This could be because of
>> cut&paste to your MUA from the editor with different tab-interpretation.
>> But make sure identiation is correct in the real code.
> 
> The indentation is correct in the real code. The dictionary 'resd' has
> the values returned by the ldapsearch and there is no 'None' anywhere
> in it.

I think your interpretation of the output is wrong. Method
LDIFWrite.unparse() outputs the LDIF to the file object (in your case
sys.stdout). If you print the result of method unparse() that's
obviously None.

Ciao, Michael.