| # Gaudi Framework, version v21r7p1 |

Home |  | Generated: 15 Feb 2010

# Pythonizations.py

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    00001 # File: GaudiPython/Pythonizations.py
    00002 # Author: Pere Mato (pere.mato@cern.ch)
    00003
    00004 """ This Pythonizations module provides a number of useful pythonizations
    00005     of adaptation of some classes.
    00006 """
    00007
    00008 __all__ = [ ]
    00009
    00010 import PyCintex
    00011 gbl = PyCintex.gbl
    00012
    00013 if not hasattr(gbl,'ostream') : gbl.gROOT.ProcessLine("#include <ostream>")
    00014 if not hasattr(gbl,'stringstream') : gbl.gROOT.ProcessLine("#include <sstream>")
    00015
    00016 #--- Hack to match the name scheme of dictionary on Linux ----------------------------
    00017 _loadDict_save = PyCintex.loadDict
    00018 def _loadDict(name):
    00019     import sys
    00020     if sys.platform != 'win32' and name[:3] != 'lib' : name = 'lib'+name
    00021     return _loadDict_save(name)
    00022 PyCintex.loadDict = _loadDict
    00023
    00024 #--- Adding extra functionality to C++ raw classes------------------------------------
    00025 def _printHisto1D(h) :
    00026     x = h.axis()
    00027     return  'Histogram 1D "%s" %d bins [%f,%f]' % (h.title(), x.bins(), x.lowerEdge(), x.upperEdge())
    00028 def _contentsHisto1D(h) :
    00029     x = h.axis()
    00030     return  map(h.binEntries, range(x.bins()))
    00031 def _printHisto2D(h) :
    00032     x,y = h.xAxis(),h.yAxis()
    00033     return  'Histogram 2D "%s" %d xbins [%f,%f], %d ybins [%f,%f]' % \
    00034     (h.title(), x.bins(), x.lowerEdge(), x.upperEdge(), y.bins(), y.lowerEdge(), y.upperEdge() )
    00035 def _printStatusCode(s) :
    00036     if s.isSuccess() : return 'SUCCESS'
    00037     else             : return 'FAILURE'
    00038 def _printBitReference(b) :
    00039     return str(1==b.bool())
    00040 def _printFillStream(o) :
    00041     if  o :
    00042         s = gbl.stringstream()
    00043         o.fillStream(s)
    00044         out = s.str()
    00045         if out == '' :
    00046             out = o.__class__.__name__ + ' object'
    00047             if hasattr( o, 'hasKey') and o.hasKey() :
    00048                 out += ' key = '+ str(o.key())
    00049     else :
    00050         out = o.__class__.__name__ + ' NULL object'
    00051     return out
    00052 def _container__getitem__(self, k) :
    00053     return self.containedObject(k)
    00054 def _container__len__(self) :
    00055     return self.numberOfObjects()
    00056 def _container__iter__(self) :
    00057     if hasattr(self,'containedObjects') : sequential = self.containedObjects()
    00058     else                                : sequential = self
    00059     count = 0
    00060     limit = self.__len__()
    00061     while count < limit :
    00062         yield sequential.__getitem__(count)
    00063         count += 1
    00064
    00065 def _draw_aida_ ( self , *args ) :
    00066     """
    00067     Draw AIDA histogram (through access to internal ROOT histogram
    00068
    00069     >>> aida = ...    # get the historgam
    00070     >>> aida.Draw()
    00071
    00072     """
    00073     _fun = PyCintex.gbl.Gaudi.Utils.Aida2ROOT.aida2root
    00074     _root = _fun ( self )
    00075     return _root.Draw( *args )
    00076
    00077 gbl.AIDA.IHistogram1D.__repr__ = _printHisto1D
    00078 gbl.AIDA.IHistogram1D.contents = _contentsHisto1D
    00079 gbl.AIDA.IHistogram2D.__repr__ = _printHisto2D
    00080 for h in (  gbl.AIDA.IHistogram   ,
    00081             gbl.AIDA.IHistogram1D ,
    00082             gbl.AIDA.IHistogram2D ,
    00083             gbl.AIDA.IHistogram3D ,
    00084             gbl.AIDA.IProfile1D   ,
    00085             gbl.AIDA.IProfile2D   ) :
    00086     h.Draw = _draw_aida_
    00087     h.plot = _draw_aida_
    00088
    00089 gbl.StatusCode.__repr__ = _printStatusCode
    00090 try: gbl._Bit_reference.__repr__ = _printBitReference
    00091 except: pass
    00092 gbl.ContainedObject.__repr__ = _printFillStream
    00093 gbl.DataObject.__repr__ = _printFillStream
    00094 gbl.ObjectContainerBase.__getitem__ = _container__getitem__
    00095 gbl.ObjectContainerBase.__len__ = _container__len__
    00096 gbl.ObjectContainerBase.__iter__ = _container__iter__
    00097
    00098 gbl.IUpdateManagerSvc.update = lambda self,obj: gbl.IUpdateManagerSvc.PythonHelper.update(self,obj)
    00099 gbl.IUpdateManagerSvc.invalidate = lambda self,obj: gbl.IUpdateManagerSvc.PythonHelper.invalidate(self,obj)
    00100
    00101 #---Globals--------------------------------------------------------------------
    00102 gbl.StatusCode.SUCCESS = 1
    00103 gbl.StatusCode.FAILURE = 0
    00104
    00105 # - string key, equality
    00106 if hasattr ( gbl.Gaudi.StringKey ,'__cpp_eq__' ) :
    00107     _eq = gbl.Gaudi.StringKey.__cpp_eq__
    00108     setattr ( gbl.Gaudi.StringKey ,'__eq__' , _eq )
    00109
    00110 # - string key, non-equality
    00111 if hasattr ( gbl.Gaudi.StringKey ,'__cpp_ne__' ) :
    00112     _ne = gbl.Gaudi.StringKey.__cpp_ne__
    00113     setattr ( gbl.Gaudi.StringKey ,'__ne__' , _ne )
    00114
    00115
    00116 #---Enabling Pickle support----------------------------------------------------
    00117 if  gbl.gROOT.GetVersionInt() <= 51800 :
    00118     import libPyROOT
    00119     gbl.GaudiPython.PyROOTPickle.Initialize(libPyROOT, libPyROOT.ObjectProxy)