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Hi Bill,

As a complement to Daniel solution :
I've commented this part of the code so that scons ignore PYTHONPATH env 
variable.

(The code is available in branch u/fjammes/eupspkg. Please note that 
i've to upgrade it to eupspkg very last version so that it works again, 
whereas it is working fine with eupspkg previous version.)

Here's some details.

in core/site_scons/detect.py

     # Automagically steal PYTHONPATH from envvar
     ppDirs = getExt("PYTHONPATH")
*#existPp = os.getenv("PYTHONPATH", None)**
**    #print "DEBUG : %s %s" % (existPp, ppDirs)**
**    #if existPp: ppDirs.prepend(existPp)*
     pp = env.get("PYTHONPATH", [])
     pp.extend(ppDirs)
     extraTgts["PYTHONPATH"] = ppDirs
     print "Looking for protoc in custom"
     # Import PROTOC
     if "PROTOC" in dir(custom): env['PROTOC'] = custom.PROTOC
     else: print "didn't find protoc in custom."
     return custom


And then i use next custom.py file, which relies on env variables (which 
are in my case setted up by eups) :

fjammes@clrlsst-dbmaster-vm:~/src/qserv (u/fjammes/eupspkg) $ cat 
core/custom.py
/import os//
//import distutils.sysconfig as ds//
//
# env var XROOTD_DIR points to xrootd install dir
//XROOTD_DIR=os.getenv("XROOTD_DIR")/
/# env var MYSQL_DIR points to mysql install dir
//MYSQL_DIR=os.getenv("MYSQL_DIR")//
# idem
//PROTOBUF_DIR=os.getenv("PROTOBUF_DIR")//
# add to contains path to zopeinterface, twisted, protobuf and 
mysqlpython modules
//PYTHONPATH=os.getenv("PYTHONPATH")

//XROOTD_INC = os.path.join(XROOTD_DIR, "include","xrootd")//
//MYSQL_INC = os.path.join(MYSQL_DIR,"include")//
//
//MYSQL_LIB = os.path.join(MYSQL_DIR,"lib","mysql")//
//XROOTD_LIB = os.path.join(XROOTD_DIR,"lib64")//
//PROTOBUF_LIB = os.path.join(PROTOBUF_DIR,"lib")//
//
//PROTOC=os.path.join(PROTOBUF_DIR,"bin","protoc")/

Hope this help,

Fabrice

On 02/20/2014 04:57 AM, Daniel L. Wang wrote:
> Hi Bill,
>
> Sorry about that. You are indeed correct! It's a bug. If you haven't 
> figured it out already, the right fix is probably to replace:
>     if existPp: ppDirs.prepend(existPp)
> with:
>     if existPp: ppDirs = existPp.split(":") + existPp
>
> ...right? I haven't tested it, but it looks much more sensible than 
> what it replaces.
>
>
> Let me know if it does/doesn't work.
>
> Hope this helps!
> -Daniel
>
> On 02/19/2014 04:01 PM, Bill Chickering wrote:
>> Hi Daniel -
>>
>> I've made progress with the new qserv, but I'm still running into 
>> problems. Queries are failing with:
>> ERROR 4110 (Proxy): Qserv error: error locking result, check qserv/db 
>> config.
>>
>> In my effort to debug this, I'm having difficulty rebuilding qserv. I 
>> thought the following should work:
>> export PYTHONPATH=$QSERV_BASE/qserv/core/bld/dist
>> export LD_LIBRARY_PATH=$QSERV_BASE/lib/mysql:$QSERV_BASE/lib
>> pwd $QSERV_BASE/qserv/core
>> scons
>>
>> but this yields:
>> scons: Reading SConscript files ...
>> Building into bld
>> using custom.py
>> AttributeError: 'list' object has no attribute 'prepend':
>>   File "/u1/bchick/src/qserv-modules/core/SConstruct", line 17:
>>     exports=['env', 'ARGUMENTS'])
>>   File "/usr/lib/scons/SCons/Script/SConscript.py", line 614:
>>     return method(*args, **kw)
>>   File "/usr/lib/scons/SCons/Script/SConscript.py", line 551:
>>     return _SConscript(self.fs, *files, **subst_kw)
>>   File "/usr/lib/scons/SCons/Script/SConscript.py", line 260:
>>     exec _file_ in call_stack[-1].globals
>>   File "/u1/bchick/src/qserv-modules/core/bld/SConscript", line 25:
>>     custom = detect.importCustom(env, extraTgts)
>>   File "/u1/bchick/src/qserv-modules/core/site_scons/detect.py", line 
>> 189:
>>     if existPp: ppDirs.prepend(existPp)
>>
>> Am I using the correct procedure? Is this a bug?
>>
>> Thanks for your help.
>> -- Bill
>
>
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