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#!/usr/bin/env python
"""A script to prettify HTML and XML syntax.
Some examples of the prettified syntax are available
in the following changes:
* https://review.openstack.org/#/c/98652/
* https://review.openstack.org/#/c/98653/
* https://review.openstack.org/#/c/98655/
"""
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import print_function
import argparse
import sys
from bs4 import BeautifulSoup
def parse_command_line_arguments():
"""Parse the command line arguments."""
parser = argparse.ArgumentParser()
parser.add_argument("--write-changes", action="store_true", default=False,
help="Write prettified XML or HTML syntax "
"back to file.")
parser.add_argument("file", type=str, default=None,
help="A XML or HTML File to prettify.")
return parser.parse_args()
def main():
"""Entry point for this script."""
args = parse_command_line_arguments()
try:
soup = BeautifulSoup(open(args.file))
except IOError as exception:
print("ERROR: File '%s' could not be parsed: %s"
% (args.file, exception))
return 1
if args.write_changes:
try:
with open(args.file, 'wb') as output:
prettified = soup.prettify(encoding="utf8")
output.write(prettified)
except IOError as exception:
print("ERROR: File '%s' could not be written: %s"
% (args.file, exception))
return 1
else:
prettified = soup.prettify(encoding="utf8")
print(prettified)
return 0
if __name__ == '__main__':
sys.exit(main())