Build log with install not functioning correctly

gistfile1.txt

root@ringo-desktop:/home/rdesmet/Projects/amplidata/amif/qpackage/amplidata_monitoring# scons --debug=explain --debug=stree qpackage

scons: warning: The --debug=stree option is deprecated; please use --tree=all,status instead.
File "/opt/qbase3/bin/scons", line 165, in <module>
scons: Reading SConscript files ...
Checking for Pylabs sandbox... /opt/qbase3/lib/python2.6/site-packages/Crypto/Hash/SHA.py:6: DeprecationWarning: the sha module is deprecated; use the hashlib module instead
  from sha import *
(cached) yes
Checking if qpackages.org:pylint:0.23.0 is installed... (cached) yes
scons: done reading SConscript files.
scons: Building targets ...
scons: rebuilding `apps.amplidata.com:cloud_monitoring_model:1.0.0:8' because AlwaysBuild() is specified
QPackaging apps.amplidata.com:cloud_monitoring_model:1.0.0:8
 E         = exists
  R        = exists in repository only
   b       = implicit builder
   B       = explicit builder
    S      = side effect
     P     = precious
      A    = always build
       C   = current
        N  = no clean
         H = no cache

[E b      ]+-qpackage
[E B  A   ]  +-apps.amplidata.com:cloud_monitoring_model:1.0.0:8
[E     C  ]    +-apps.amplidata.com:cloud_monitoring_model:1.0.0:7
[  B      ]    +-/opt/qbase3/var/qpackages4/metadata/apps.amplidata.com/cloud_monitoring_model/1.0.0/tasklets/backup.py
[E     C  ]    | +-cloud_monitoring_model/tasklets/backup.py
[E B      ]    +-/opt/qbase3/var/qpackages4/metadata/apps.amplidata.com/cloud_monitoring_model/1.0.0/tasklets/configure.py
[E     C  ]    | +-cloud_monitoring_model/tasklets/configure.py
[E B      ]    +-/opt/qbase3/var/qpackages4/metadata/apps.amplidata.com/cloud_monitoring_model/1.0.0/tasklets/install.py
[E     C  ]    | +-cloud_monitoring_model/tasklets/install.py
[E B      ]    +-/opt/qbase3/var/qpackages4/metadata/apps.amplidata.com/cloud_monitoring_model/1.0.0/tasklets/package.py
[E     C  ]    | +-cloud_monitoring_model/tasklets/package.py
[E B      ]    +-/opt/qbase3/var/qpackages4/metadata/apps.amplidata.com/cloud_monitoring_model/1.0.0/tasklets/startstop.py
[E     C  ]      +-cloud_monitoring_model/tasklets/startstop.py
scons: done building targets.

QPackage4Builder.py

# QPackage4Builder: QPackage building via SCons

from SCons.Script import *
from pymonkey.InitBase import q

def _qpackage(target, source, env):
    name = env['name']
    domain = env['domain']
    version = env['version']
    platforms = env['platforms']
    dependencies = env['dependencies']
    matchingPackages = q.qp.find(name, domain, version)
    if len(matchingPackages) > 0:
        qpackage = matchingPackages[0]
    else:
        qpackage = q.qp.createNewQPackage(name = name, domain = domain, version = version, description = "Dummy", supportedPlatforms = platforms)

    # Copy the tasklets from the code repository to the metadata location
    tasklets_source = q.system.fs.joinPaths(name, 'tasklets', '*.py')
    tasklets_target = q.system.fs.joinPaths(qpackage.getPathMetadata(), 'tasklets')
    installed_tasklets = env.Install(tasklets_target, source = Glob(tasklets_source))
    env.Depends(target, installed_tasklets)

    return None

def _emitter_qpackage(target, source, env):
    """Emit source and target value nodes containing qpackage information.

    The QPackage builder is called with the qpackage information but without a proper source or target.
    This emitter will create a new source and target SCons Value node containing the correct content.
    - the source node will contain the qpackage info with the current build number.
    - the target node will contain the qpackage info with the new build number.
    """
    if not 'name' in env.Dictionary().keys():
        raise SCons.Errors.UserError('QPackage name not given! Define the \'name\' argument.')
    if not 'domain' in env.Dictionary().keys():
        raise SCons.Errors.UserError('QPackage domain not given! Define the \'domain\' argument.')
    if not 'version' in env.Dictionary().keys():
        raise SCons.Errors.UserError('QPackage version not given! Define the \'version\' argument.')
    if not 'platforms' in env.Dictionary().keys():
        raise SCons.Errors.UserError('QPackage platforms not given! Define the \'platforms\' argument.')
    platforms = env['platforms']
    if not isinstance(platforms, list):
        raise SCons.Errors.UserError('QPackage platforms argument should be a list of q.enumerators.PlatformType objects!')
    if not 'dependencies' in env.Dictionary().keys():
        raise SCons.Errors.UserError('QPackage dependencies not given! Define the \'dependencies\' argument.')
    dependencies = env['dependencies']
    if not isinstance(dependencies, list):
        raise SCons.Errors.UserError('QPackage dependencies argument should be a list of tuples (name, domain, minversion, maxversion)!')

    name = env['name']
    domain = env['domain']
    version = env['version']
    build_number = -1

    matchingPackages = q.qp.find(name, domain, version)
    if len(matchingPackages) > 0:
        qpackage = matchingPackages[0]
        build_number = qpackage.buildNr

    new_source = env.Value('%s:%s:%s:%d' % (domain, name, version, build_number))
    new_target = env.Value('%s:%s:%s:%d' % (domain, name, version, build_number+1))
    return ([new_target], [new_source])

def _message_qpackage(target, source, env):
    qpackage = target[0]
    return "QPackaging %s" % qpackage.value

def generate(env, **kwargs):
    env['BUILDERS']['QPackage'] = env.Builder(
        action = env.Action(_qpackage, _message_qpackage),
        emitter = _emitter_qpackage)

def exists(env):
    return True