python.rootplot.rootinfo Namespace Reference

Functions
def	main
def	recurse_thru_file

Variables
list	saved_argv = sys.argv[:]
	Load classes from ROOT, ensuring it doesn't intercept -h or –help. More...

Detailed Description

Print information about objects in a ROOT file.

Function Documentation

def python.rootplot.rootinfo.main

(

)

Definition at line 90 of file rootinfo.py.

References print(), and python.rootplot.rootinfo.recurse_thru_file().

def main():
    parser = argparse.ArgumentParser(description='Print information from an SC2 replay file.')
    parser.add_argument('filenames', metavar='filename', type=str, nargs='+',
                        help="Names of one or more root files")
    parser.add_argument('--bincenter', action="store_true", default=False,
                      help="Get Bin Centers from each bin in each histogram")
    parser.add_argument('--classname', action="store_true", default=False,
                      help="Get type from each object in root file")
    parser.add_argument('--contents', action="store_true", default=False,
                      help="Get Bin Contents from each bin in each histogram")
    parser.add_argument('--errors', action="store_true", default=False,
                      help="Get Bin Errors from each bin in each histogram")
    parser.add_argument('--entries', action="store_true", default=False,
                      help="Get Entries from each histogram")
    parser.add_argument('--max', action="store_true", default=False,
                      help="Get Maximum value from each histogram")
    parser.add_argument('--min', action="store_true", default=False,
                      help="Get Minimum value from each histogram")
    parser.add_argument('--name', default=None,
                      help="Get information only from object with matching name")
    parser.add_argument('--overflow', action="store_true", default=False,
                      help="Get value of overflow bin from each histogram")
    parser.add_argument('--underflow', action="store_true", default=False,
                      help="Get value of underflow bin from each histogram")
    arguments = parser.parse_args()
    for arg in arguments.filenames:
        if arg[-5:] != ".root":
            raise TypeError("Arguments must include root file names")
    filenames_from_interface = [x for x in arguments.filenames if x[-5:] == ".root"]
    if len(filenames_from_interface) == 0:
        parser.print_help()
        sys.exit(0)
    for filename in filenames_from_interface:
        if not os.path.exists(filename):
            print("%s does not exist." % filename)
            sys.exit(0)
        tfile = TFile(filename, "read")
        try:
            recurse_thru_file(tfile, arguments)
        except IOError as e:
            if e.errno != 32:
                raise