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From: <jph...@fr...> - 2007-02-19 08:08:47
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Hi,
I was used to work with phpldapadmin, then discovered luma. Now I need something
more specific to my needs, and thus interested in python-ldap.
Starting was really easy :-) Unfortunately, I discovered a bug in my application
this week-end: I can not use 8 bits chars in search or add functions while I
have no issue with these characters in Luma :-( It seems to be related to string
encoding. Luma makes an intensive use of the "unicode" function. So I tried that
piece of code but without success:
>>> import ldap
>>> CON=ldap.open('localhost.localdomain')
>>> CON.simple_bind_s('','')
>>> CON.search_s('ou=amis,dc=localdomain',ldap.SCOPE_SUBTREE,u'(cn=th')
exceptions.UnicodeEncodeError Traceback (most recent call
last)
/home/jpht/informatique/programmation/python/scripts/under_development/<console>
/usr/lib/python2.3/site-packages/ldap/ldapobject.py in search_s(self, base,
scope, filterstr, attrlist, attrsonly)
466
467 def
search_s(self,base,scope,filterstr='(objectClass=*)',attrlist=None,attrsonly=0):
--> 468 return
self.search_ext_s(base,scope,filterstr,attrlist,attrsonly,timeout=self.timeout)
469
470 def
search_st(self,base,scope,filterstr='(objectClass=*)',attrlist=None,attrsonly=0,timeout=-1):
/usr/lib/python2.3/site-packages/ldap/ldapobject.py in search_ext_s(self, base,
scope, filterstr, attrlist, attrsonly, serverctrls, clientctrls, timeout,
sizelimit)
459
460 def
search_ext_s(self,base,scope,filterstr='(objectClass=*)',attrlist=None,attrsonly=0,serverctrls=None,clientctrls=None,timeout=-1,sizelimit=0):
--> 461 msgid =
self._ldap_call(self._l.search_ext,base,scope,filterstr,attrlist,attrsonly,serverctrls,clientctrls,timeout,sizelimit)
462 return self.result(msgid,all=1,timeout=timeout)[1]
463
/usr/lib/python2.3/site-packages/ldap/ldapobject.py in _ldap_call(self, func,
*args, **kwargs)
92 try:
93 try:
---> 94 result = func(*args,**kwargs)
95 finally:
96 self._ldap_object_lock.release()
UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in position 6:
ordinal not in range(128)
I went quickly through this list, but was not sure of understanding the answer
;-( Could someone help me?
Jean-Philippe
P.S.: I am running slapd 2.2.23 and python-ldap 2.0.4 (debian sarge)
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From: Bjorn O. G. <bjo...@it...> - 2007-02-19 08:18:15
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jph...@fr...:
> Hi,
>
> I was used to work with phpldapadmin, then discovered luma. Now I need something
> more specific to my needs, and thus interested in python-ldap.
>
> Starting was really easy :-) Unfortunately, I discovered a bug in my application
> this week-end: I can not use 8 bits chars in search or add functions while I
> have no issue with these characters in Luma :-( It seems to be related to string
> encoding. Luma makes an intensive use of the "unicode" function. So I tried that
> piece of code but without success:
>
> >>> import ldap
> >>> CON=ldap.open('localhost.localdomain')
> >>> CON.simple_bind_s('','')
> >>> CON.search_s('ou=amis,dc=localdomain',ldap.SCOPE_SUBTREE,u'(cn=th?)')
<snip>
> UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in position 6:
> ordinal not in range(128)
LDAP uses utf8 - so convert any umlauts or whatever to utf8 before doing a query.
Mostly anything can be converted _to_ utf8, but not will convert back to the
encoding you came from.
def utf8_encode(str):
return unicode(str, "iso-8859-1").encode("utf-8")
def utf8_decode(str):
return unicode(str, "utf-8").encode("iso-8859-1")
Usage:
filter = utf8_encode('cn=Bjørn Ove Grøtan')
Just change from iso-8859-1 to whatever encoding you use by default.
--
Regards
Bjørn Ove Grøtan
Luma Debian Maintainer
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From: <mi...@st...> - 2007-02-19 11:05:17
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jph...@fr... wrote:
>
> I can not use 8 bits chars in search or add functions while I
> have no issue with these characters in Luma :-( It seems to be related to string
> encoding. Luma makes an intensive use of the "unicode" function. So I tried that
> piece of code but without success:
>
>>>> import ldap
>>>> CON=ldap.open('localhost.localdomain')
>>>> CON.simple_bind_s('','')
>>>> CON.search_s('ou=amis,dc=localdomain',ldap.SCOPE_SUBTREE,u'(cn=th�*)')
You have to pass raw strings to python-ldap since the API does not
handle Unicode strings automatically.
So something like u'(cn=th�*)'.encode('utf-8').
Not sure what the � is in your e-mail though. Therefore I'd recommend
not to directly write 8-bit chars into the Python source code. Rather
use the escaping \x..
Complete example with my last name within Python shell and shell charset
being UTF-8.
Python 2.5 (r25:51908, Nov 27 2006, 19:14:46)
[GCC 4.1.2 20061115 (prerelease) (SUSE Linux)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> ustr=unicode('Ströder','utf-8')
>>> ustr
u'Str\xf6der'
>>> ustr.encode('utf-8')
'Str\xc3\xb6der'
>>>
Ciao, Michael.
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From: Jean-Philippe T. <jph...@fr...> - 2007-02-19 21:06:42
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On Mon, 19 Feb 2007 12:04:46 +0100
Michael Ströder <mi...@st...> wrote:
> jph...@fr... wrote:
> >
> > I can not use 8 bits chars in search or add functions while I
> > have no issue with these characters in Luma :-( It seems to be related to string
> > encoding. Luma makes an intensive use of the "unicode" function. So I tried that
> > piece of code but without success:
> >
> >>>> import ldap
> >>>> CON=ldap.open('localhost.localdomain')
> >>>> CON.simple_bind_s('','')
> >>>> CON.search_s('ou=amis,dc=localdomain',ldap.SCOPE_SUBTREE,u'(cn=th�*)')
>
> You have to pass raw strings to python-ldap since the API does not
> handle Unicode strings automatically.
>
> So something like u'(cn=th�*)'.encode('utf-8').
>
> Not sure what the � is in your e-mail though. Therefore I'd recommend
> not to directly write 8-bit chars into the Python source code. Rather
> use the escaping \x..
>
> Complete example with my last name within Python shell and shell charset
> being UTF-8.
>
> Python 2.5 (r25:51908, Nov 27 2006, 19:14:46)
> [GCC 4.1.2 20061115 (prerelease) (SUSE Linux)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> ustr=unicode('Ströder','utf-8')
> >>> ustr
> u'Str\xf6der'
> >>> ustr.encode('utf-8')
> 'Str\xc3\xb6der'
> >>>
>
> Ciao, Michael.
>
Thanks to you (and Bjorn ;-)). It works far better now. Life would have been far easier if English was full of strange chars :-)
Jean-Philippe
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