python.scripts.dump_root_file Namespace Reference

Functions
	main (args)

Variables
str	__doc__ = "ASCII-fy a ROOT file"
str	__author__ = "Sebastien Binet"

Function Documentation

main()

python.scripts.dump_root_file.main

(

args

)

dump the content of a ROOT file into an ASCII format.

Definition at line 34 of file dump_root_file.py.

def main(args):
    """dump the content of a ROOT file into an ASCII format.
    """
 
    import PyUtils.RootUtils as ru
    root = ru.import_root()
 
    _inspect = root.RootUtils.PyROOTInspector.pyroot_inspect2  # noqa: F841
 
    import PyUtils.Logging as L
    msg = L.logging.getLogger('dump-root')
    msg.setLevel(L.logging.INFO)
 
    msg.info('fname: [%s]', args.fname)
    root_file = root.TFile.Open(args.fname)
    if (root_file is None or
        not isinstance(root_file, root.TFile) or not root_file.IsOpen()):
        msg.error('could not open [%s]', args.fname)
        return 1
 
    tree_names = []
    if args.tree_name:
        tree_names = args.tree_name.split(',')
    else:
        tree_names = []
        keys = [k.GetName() for k in root_file.GetListOfKeys()]
        for k in keys:
            o = root_file.Get(k)
            if isinstance(o, root.TTree):
                tree_names.append(k)
                
    msg.info('dumping trees:  %s', tree_names)
 
    for tree_name in tree_names:
        f = ru.RootFileDumper(args.fname, tree_name)
        nentries = f.tree.GetEntries()
        if args.entries:
            nentries = args.entries
        for d in f.dump(tree_name, nentries):
            tree_name, ientry, name, data = d
            n = '.'.join(map(str, [tree_name,"%03i"%ientry]+name))
            print ('%s %r' %(n, data))
    return 0

Variable Documentation

__author__

str python.scripts.dump_root_file.__author__ = "Sebastien Binet"

private

Definition at line 9 of file dump_root_file.py.

__doc__

str python.scripts.dump_root_file.__doc__ = "ASCII-fy a ROOT file"

private

Definition at line 8 of file dump_root_file.py.