Inheritance diagram for dqm_interfaces.DQMRootFile:

Public Member Functions
def	__init__ (self, rootfilename)

def	cd (self, directory_name)

def	getObj (self, objname)

def	ls (self, directory_name="")

Public Attributes
	rootfile

	rootfileprevpwd

	rootfilepwd

Private Member Functions
def	__is_null (self, directory, name)

Detailed Description

Class acting as interface between the user and the harvested DQMRootFile.  
It skips the directories created by the DQM infrastructure so to provide an
interface as similar as possible to a real direcory structure and to the 
directory structure provided by the db interface.

Definition at line 475 of file dqm_interfaces.py.

Constructor & Destructor Documentation

◆ init()

def dqm_interfaces.DQMRootFile.__init__	(	self,
		rootfilename
	)

Definition at line 481 of file dqm_interfaces.py.

     def __init__(self,rootfilename):
         dqmdatadir="DQMData"
         self.rootfile=ROOT.TFile(rootfilename)
         self.rootfilepwd=self.rootfile.GetDirectory(dqmdatadir)
         self.rootfileprevpwd=self.rootfile.GetDirectory(dqmdatadir)
         if self.rootfilepwd == None:
             print("Directory %s does not exist: skipping. Is this a custom rootfile?" %dqmdatadir)
             self.rootfilepwd=self.rootfile
             self.rootfileprevpwd=self.rootfile
  

Member Function Documentation

◆ __is_null()

def dqm_interfaces.DQMRootFile.__is_null	(	self,
		directory,
		name
	)

private

Definition at line 491 of file dqm_interfaces.py.

     def __is_null(self,directory,name):
         is_null = not directory
         if is_null:
             print("Directory %s does not exist!" %name, file=stderr)
         return is_null
  

References print().

Referenced by dqm_interfaces.DQMRootFile.cd(), dqm_interfaces.DQMRootFile.getObj(), and dqm_interfaces.DQMRootFile.ls().

◆ cd()

def dqm_interfaces.DQMRootFile.cd	(	self,
		directory_name
	)

Change the current TDirectoryFile. The familiar "-" and ".." directories 
can be accessed as well.

Definition at line 511 of file dqm_interfaces.py.

     def cd(self,directory_name):
         """Change the current TDirectoryFile. The familiar "-" and ".." directories 
         can be accessed as well.
         """
         if directory_name=="-":
             tmp=self.rootfilepwd
             self.rootfilepwd=self.rootfileprevpwd
             self.rootfileprevpwd=tmp
         if directory_name=="..":
             #print "Setting prevpwd"
             self.rootfileprevpwd=self.rootfilepwd
             #print "The mom"
             mom=self.rootfilepwd.GetMotherDir()
             #print "In directory +%s+" %self.rootfilepwd
             #print "Deleting the TFileDir"
             if "Run " not in self.rootfilepwd.GetName():
                 self.rootfilepwd.Delete()
             #print "Setting pwd to mom"
             self.rootfilepwd=mom
         else:
             new_directory=self.rootfilepwd.GetDirectory(directory_name)
             if not self.__is_null(new_directory,directory_name):
                 self.rootfileprevpwd=self.rootfilepwd
                 self.rootfilepwd=new_directory
  

References dqm_interfaces.DQMRootFile.__is_null(), dqm_interfaces.DQMRootFile.rootfileprevpwd, and dqm_interfaces.DQMRootFile.rootfilepwd.

Referenced by dqm_interfaces.DirWalkerFile.walk().

◆ getObj()

def dqm_interfaces.DQMRootFile.getObj	(	self,
		objname
	)

Get a TObject from the rootfile.

Definition at line 536 of file dqm_interfaces.py.

     def getObj(self,objname):
         """Get a TObject from the rootfile.
         """
         obj=self.rootfilepwd.Get(objname)
         if not self.__is_null(obj,objname):
             return obj
  
 #-------------------------------------------------------------------------------
  

References dqm_interfaces.DQMRootFile.__is_null(), and dqm_interfaces.DQMRootFile.rootfilepwd.

◆ ls()

def dqm_interfaces.DQMRootFile.ls	(	self,
		directory_name = `""`
	)

Definition at line 497 of file dqm_interfaces.py.

     def ls(self,directory_name=""):
         contents={}
         directory=None
         if len(directory_name)==0:
             directory=self.rootfilepwd      
  
         directory=self.rootfilepwd.GetDirectory(directory_name)    
         if self.__is_null(directory,directory_name):
             return contents
  
         for key in directory.GetListOfKeys():
             contents[key.GetName()]=key.GetClassName()
         return contents
  