This small python script invokes the Treeline tree visualizer to display xml files in a pleasant way. viewxml

#!/usr/bin/env python
# -*-coding: utf8-*-
# Author: Gribouillis for the python forum at
# Date: December 29 2012
# License: Public Domain
# Compatibility: python 2.7 and  3
# Use this code freely!
from __future__ import unicode_literals, print_function, division

__doc__ = """ visualize xml files with treeline.

Treeline is available at
Treeline is under GNU GPL V2 license.
import argparse
from contextlib import contextmanager
import os
import subprocess as sp
import sys

class ViewXmlError(Exception):

def autodirname(suffix='', prefix='tmp', dir=None, delete=True, ignore_errors=False, onerror=None):
    """This context creates a visible temporary directory in the file system.
    This directory is removed by default when the context exits (delete = True).
    The parameters ignore_error and onerror have the same meaning as in shutil.rmtree()
    from tempfile import mkdtemp
    name = mkdtemp(suffix=suffix, prefix=prefix, dir=dir)
        yield name
        if delete:
            from shutil import rmtree
            rmtree(name, ignore_errors) if onerror is None else rmtree(name, ignore_errors, onerror)

def run_command(com):
    prog = sp.Popen(com, shell=True, stderr = sp.PIPE)
    out, err = prog.communicate()
    if prog.returncode:
        raise ViewXmlError(("Command", com, "failed"))

def main(xmlfilename):
    root, ext = os.path.splitext(xmlfilename)
    trl = os.path.basename(root) + ".trl"
    with autodirname() as folder:
        trl = os.path.join(folder, trl)
        run_command("treeline --import-xml -o {trl} {xml}".format(
                xml = xmlfilename, trl = trl))
        run_command("treeline {trl}".format(trl=trl))

if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument("src", action="store",
        metavar = "XMLFILE",
        help = "Path to an xml file.")
    args = parser.parse_args()
About the Author

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