GaudiKernel.ConfigurableDb Namespace Reference

Classes
class	_CfgDb
class	_Singleton

Functions
def	loadConfigurableDb
	Helper function to load all ConfigurableDb files holding informations.
def	getConfigurable

Variables
list	__all__ [ 'CfgDb', 'cfgDb', 'loadConfigurableDb', 'getConfigurable' ]
tuple	_transtable string.maketrans('<>&*,: ().', '__rp__s___')
tuple	log logging.getLogger( 'ConfigurableDb' )
tuple	CfgDb _Singleton()
tuple	cfgDb CfgDb()
	default name for CfgDb instance

Function Documentation

def GaudiKernel.ConfigurableDb.getConfigurable	(		className,
			requester = '',
			assumeCxxClass = True
	)

Definition at line 137 of file ConfigurableDb.py.

def getConfigurable( className, requester='', assumeCxxClass=True ):
    confClass=className
    if assumeCxxClass:
        # assume className is C++: --> translate to python
        confClass = string.translate( confClass, _transtable )
    # see if I have it in my dictionary
    confClassInfo = cfgDb.get(confClass)
    if not confClassInfo:
        confClassInfo = cfgDb.get(confClass)
    # get the python module
    confMod = confClassInfo and confClassInfo.get('module')
    if not confMod:
        log.warning( "%s: Class %s not in database", requester, className )
        return None
    # load the module
    try:
        mod = __import__(confMod,globals(),locals(),confClass)
    except ImportError:
        log.warning( "%s: Module %s not found (needed for configurable %s)",
                     requester, confMod, className )
        return None
    # get the class
    try:
        confClass = getattr(mod,confClass)
    except AttributeError:
        log.warning( "%s: Configurable %s not found in module %s",
                     requester, confClass, confMod )
        return None
    # Got it!
    log.debug( "%s: Found configurable %s in module %s",
               requester, confClass, confMod )

    return confClass

def GaudiKernel.ConfigurableDb.loadConfigurableDb

(

)

Helper function to load all ConfigurableDb files holding informations.

Helper function to load all ConfigurableDb files (modules) holding
informations about Configurables

Definition at line 92 of file ConfigurableDb.py.

def loadConfigurableDb():
    """Helper function to load all ConfigurableDb files (modules) holding
    informations about Configurables
    """
    import os
    import sys
    from zipfile import is_zipfile, ZipFile
    from glob import glob
    from os.path import join as path_join
    log.debug( "importing confDb packages..." )
    nFiles = 0 # counter of imported files
    for path in sys.path:
        log.debug( "walking in [%s]..." % path )
        if not os.path.exists(path):
            continue
        if is_zipfile(path):
            # turn filename syntax into module syntax: remove path+extension and replace / with . (dot)
            confDbModules = [ os.path.splitext(f)[0].replace('/','.')
                              for f in ZipFile(path).namelist()
                              if f.endswith("_merged_confDb.py") or f.endswith("_merged_confDb.pyc") ]
        else:
            # turn filename syntax into module syntax: remove path+extension and replace / with . (dot)
            confDbModules = [ os.path.splitext( f[len(path)+1:] )[0].replace(os.sep,'.')
                              for f in glob(path_join(path, "*_merged_confDb.py"))
                              if os.path.isfile(f) ]
        for confDbModule in confDbModules:
            nFiles += 1
            log.debug( "\t-importing [%s]..." % confDbModule )
            try:
                mod = __import__( confDbModule )
            except ImportError, err:
                log.warning( "Could not import module [%s] !", confDbModule )
                log.warning( "Reason: %s", err )
                pass
            else:
                # don't need to keep the module
                del mod
            pass
        pass # loop over sys.path
    log.debug( "importing confDb packages... [DONE]" )
    nPkgs = len( set([k['package'] for k in cfgDb.values()]) )
    log.debug( "imported %i confDb packages" % nPkgs )
    return nFiles