OpenStack Networking (Neutron)
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#!/usr/bin/env python3
# Copyright 2020 Red Hat, Inc.
# All Rights Reserved.
#
# 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.
import re
import sys
file_names = set()
def parse_input(input_file):
global file_names
while True:
line_buffer = input_file.readline()
if not line_buffer:
break
line_match = re.search(r"^\s*---\s+([^\s@]+)[\s@]+", line_buffer)
if not line_match:
line_match = re.search(r"^\s*\+\+\+\s+([^\s@]+)[\s@]+",
line_buffer)
if line_match:
curr_file_name = line_match.group(1)
# trim off 'a/' and 'b/' that you will normally see in git output
#
if len(curr_file_name) > 2 and curr_file_name[1] == '/' and (
curr_file_name[0] == 'a' or curr_file_name[0] == 'b'):
curr_file_name = curr_file_name[2:]
file_names.add(curr_file_name)
def prune_unwanted_names():
global file_names
unwanted_names = set(['/dev/null'])
for curr_file_name in file_names:
# ignore files that end in '.orig' as long as non-.orig exists
line_match = re.search(r"^(.+)\.[oO][Rr][iI][gG]$", curr_file_name)
if line_match and line_match.group(1) in file_names:
unwanted_names.add(curr_file_name)
continue
file_names -= unwanted_names
def print_file_names():
for name in sorted(file_names):
print(name)
if __name__ == '__main__':
if len(sys.argv) == 1:
parse_input(sys.stdin)
else:
for curr_input_name in sys.argv[1:]:
try:
with open(curr_input_name, 'r') as curr_input_file:
parse_input(curr_input_file)
except IOError as e_str:
sys.stderr.write(
"Cannot open {}: {}\n".format(curr_input_name, e_str))
sys.exit(255)
prune_unwanted_names()
print_file_names()