python::cmstools Namespace Reference

Classes
class	cmserror
class	Event
class	EventBranch
class	EventTree
Functions
def	all
	workaround iterator generators for ROOT classes
def	createBranchBuffer
	auto branch types (Chris Jones)
def	loop

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Detailed Description

Python helper tools for CMS FWLite

benedikt.hegner@cern.ch

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Function Documentation

def python::cmstools::all

(

container

)

workaround iterator generators for ROOT classes

Definition at line 23 of file cmstools.py.

00024                   :
00025 
00026   # loop over ROOT::TTree and similar
00027   if hasattr(container,'GetEntries'):
00028     try:
00029       entries = container.GetEntries()
00030       for entry in xrange(entries):
00031         yield entry
00032     except:
00033         raise cmserror("Looping of %s failed" %container) 
00034 
00035   # loop over std::vectors and similar
00036   elif hasattr(container, 'size'):
00037     try:
00038       entries = container.size()
00039       for entry in xrange(entries):
00040         yield container[entry]
00041     except:
00042       pass
00043 
 # loop over containers with begin and end iterators

def python::cmstools::createBranchBuffer

(

branch

)

auto branch types (Chris Jones)

Definition at line 51 of file cmstools.py.

                              :
    reColons = re.compile(r'::')
    reCloseTemplate =re.compile(r'>')
    reOpenTemplate =re.compile(r'<')
    branchType = ROOT.branchToClass(branch)
    #buffer = eval ('ROOT.'+reColons.sub(".",reOpenTemplate.sub("(ROOT.",reCloseTemplate.sub(")",branchType.GetName())))+'()')
    buffer = ROOT.MakeRootClass(branchType.GetName()) ()
    if( branch.GetName()[-1] != '.') and (branch.GetName()!="EventAuxiliary"):
        branch.SetAddress(buffer)
    else:
        branch.SetAddress(ROOT.AddressOf(buffer))
    return buffer

def python::cmstools::loop	(		begin,
			end
	)

Convert a pair of C++ iterators into a python generator

Definition at line 44 of file cmstools.py.

Referenced by optutl::CommandLineParser::_getSectionFiles(), RawDataConverter::ClearData(), CmsShowMainFrame::CmsShowMainFrame(), DDCheckMaterial(), SiStripTFile::dirContent(), MillePedeAlignmentAlgorithm::doIO(), LaserAlignment::DumpPosFileSet(), LaserAlignment::DumpStripFileSet(), SETSeedFinder::estimateMomentum(), PhysicsTools::MVAComputer::evalInternal(), LMFDefFabric::getColor(), LMFDefFabric::getColorFromID(), RawDataConverter::GetDigis(), LMFDefFabric::getRunTag(), LMFDefFabric::getRunTagFromID(), LMFDefFabric::getTrigType(), LMFDefFabric::getTrigTypeFromID(), pat::EventHypothesis::loop(), output(), optutl::CommandLineParser::parseArguments(), EcalDigiSelector::produce(), SiStripTFile::readDQMFormat(), TrajectoryManager::reconstruct(), stdcomb::recursive_combination(), LMFColoredTable::setColor(), LMFColoredTable::setSystem(), HcalTestAnalysis::update(), DDI::Polycone::volume(), and DDI::Polyhedra::volume().

                    :
    """Convert a pair of C++ iterators into a python generator"""
    while (begin != end):
        yield begin.__deref__()  #*b
        begin.__preinc__()       #++b