Re: Buildout error when installing python-lda p on RHEL 6.2 — warning: unused variable ‘r eqvalue’

So some hints, hth:

On 2015-06-12 18:18, David Siedband wrote:
>> On Jun 13, 2015, at 00:15, David Siedband <[email protected]> wrote:
>>
>> I have a Plone server running on RHEL 6.2 installed via unified installer.
>>
>> When I add python-ldap to my stack, I get the following error
>>
>> Modules/LDAPObject.c:1300: error: ‘LDAPObject’ has no member named ‘_save’
>> Modules/LDAPObject.c:1300: error: ‘LDAPObject’ has no member named ‘_save’
>> Modules/LDAPObject.c:1305: error: ‘LDAP_SUCCESS’ undeclared (first use in this function)
>> Modules/LDAPObject.c:1306: error: ‘LDAPObject’ has no member named ‘ldap’
>> Modules/LDAPObject.c:1270: warning: unused variable ‘reqvalue’
>> error: Setup script exited with error: command 'gcc' failed with exit status 1
>> An error occurred when trying to install python-ldap 2.4.19. Look above this message for any errors that were output by easy_install.
>> While:
>>  Installing instance.
>>  Getting distribution for 'python-ldap'.
>> Error: Couldn't install: python-ldap 2.4.19
>>
>> I also tried 2.4.18 and 2.4.17 but got the same result.
> 
> Just to add a bit more detail here, I’m using buildout to install openldap, and my config looks like this:
> 
> =================================================
> 
> [buildout]
> extends = buildout.cfg
> parts +=
>     openldap

you dont need to add openldap here, its better built by referencing in
[python-ldap] section (see below)

>     python-ldap
> 
> eggs +=
>     plone.app.ldap

Never declare eggs in [buildout] section. This is a bad practice and
lead to problems. Always declare them were needed (here: instance section).
see also http://bluedynamics.com/articles/jens/dependencies-and-zc.buildout

Solution:
in [instance] section declare like so:

eggs +=
    ...
    ${python-ldap:egg}
    ...

> [openldap]
> recipe = zc.recipe.cmmi
> url = ftp://ftp.openldap.org/pub/OpenLDAP/openldap-release/openldap-2.4.31.tgz
> extra_options = --with-sasl --with-tls --enable-slapd=no
> 
> [python-ldap]
> recipe = zc.recipe.egg:custom
> egg = python-ldap
> include-dirs  =
>         ${buildout:directory}/parts/openldap/include

reference like so:

include-dirs  =
    ${openldap:location}/include
library-dirs  =
    ${openldap:location}/lib
rpath =
    ${openldap:location}/lib

for a working setup see
https://github.com/collective/pas.plugins.ldap/blob/master/ldap.cfg


> library-dirs  =
>         ${buildout:directory}/parts/openldap/lib
> rpath =
>         ${buildout:directory}/parts/openldap/lib
> 
> =================================================
> 
> Are there some OS-level packages I need to install on RHEL?

On a debian based system you would need to do:
apt-get install libsasl2-dev libssl-dev libdb-dev

So I never installed it on RHEL, I'am sure Google will help you to find
the same packages for RHEL.

> I also tried the approach from this page about using a system-installed OpenLDAP
> http://www.sixfeetup.com/blog/installing-python-ldap-with-buildout-and-a-system-installed-openldap
> 
> =================================================
> 
> 
> buildout]
> extends = buildout.cfg
> parts +=
>     python-ldap
> 
> eggs +=
>     plone.app.ldap
>     ${python-ldap:egg}
> 
> [python-ldap]
> recipe = zc.recipe.egg:custom
> egg = python-ldap
> include-dirs =
>     /opt/local/include
>     /opt/local/include/sasl
>     /usr/local/include
>     /usr/local/include/sasl
>     /usr/include
>     /usr/include/sasl
> library-dirs =
>     /opt/local/lib
>     /opt/local/lib/sasl2
>     /usr/local/lib
>     /usr/local/lib/sasl2
>     /usr/lib
>     /usr/lib/sasl2
> rpath = ${:library-dirs}
> 
> =================================================
> 
> Though it didn’t remedy the issue.  Perhaps the paths in that article are specific for FreeBSD.  
> 
> --
> David Siedband
> http://zentraal.com
-- 
Klein & Partner KG, member of BlueDynamics Alliance


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