CommonGaudiConfigurables.py

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"""
  This module would scan all known Gaudi configurable modules for
  'Configurable' classes and fill __all__ such that it can be imported
  by any module requiring it.
"""
 
from GaudiKernel.Configurable import Configurable
from GaudiKernel.ConfigurableMeta import ConfigurableMeta
 
__all__ = []
 
packages = [
    "GaudiCoreSvc",
    "GaudiCommonSvc",
    "GaudiSvc",
    "GaudiAlg",
    "GaudiAud",
    "GaudiPoolDb",
    "RootHistCnv",
    "GaudiUtils",
    "RootCnv",
]
 
# --Loop open all listed packages and populate __all__ with the names and
#  the local scope with the Configurable classes
for package in packages:
    try:
        mod = __import__(
            "%s.%sConf" % (package, package), globals(), locals(), ["%sConf" % package]
        )
        for nam in dir(mod):
            cls = getattr(mod, nam)
            if type(cls) is ConfigurableMeta and issubclass(cls, Configurable):
                globals()[nam] = cls
                __all__.append(nam)
    except ImportError:
        # ignore the configurables from missing packages.
        pass
 
# --Fix some of the name idiosyncrasies in Gaudi
aliases = {
    "EventDataSvc": "EvtDataSvc",
    "DetectorDataSvc": "DetDataSvc",
    "HistogramDataSvc": "HistogramSvc",
    "HbookHistSvc": "HbookCnv__PersSvc",
    "RootHistSvc": "RootHistCnv__PersSvc",
    "EventPersistencySvc": "EvtPersistencySvc",
    "DetectorPersistencySvc": "DetPersistencySvc",
    "HistogramPersistencySvc": "HistogramPersistencySvc",
    "FileRecordPersistencySvc": "PersistencySvc",
    "FileCatalog": "Gaudi__MultiFileCatalog",
    "IODataManager": "Gaudi__IODataManager",
    "RootCnvSvc": "Gaudi__RootCnvSvc",
    "RootEvtSelector": "Gaudi__RootEvtSelector",
}
 
_gbl = globals()  # optimization
# This would be nicer with dict comprehension (http://www.python.org/dev/peps/pep-0274)
# but it is available only in Python 2.7
aliases = dict(
    [(new, _gbl[old]) for new, old in aliases.items() if old in _gbl]
)  # do the aliasing only if the original is available
# change the default name
for new in aliases:
    aliases[new].DefaultedName = new
# update globals and __all__
_gbl.update(aliases)
__all__.extend(aliases)
# remove temporaries
del _gbl
# The `new` var is only scoped in its `for` loop in Python 3, so we only need
# to 'worry' about cleanup in Python 2
try:
    del new
except NameError:
    pass