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#!/usr/bin/env python3
#
# transclude-template: preprocessor for XML interface definitions to
# interpret #include statements to include nested XML fragments and
# snippets in documents.
#
# Copyright (C) 2021 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
import os
import re
import sys
regexp = re.compile(r'^ *#include <(.+)>$')
def parse_file(filename):
lines = ""
with open(filename, 'r') as f:
while True:
line = f.readline()
if line:
result = regexp.match(line)
if result:
lines += parse_file(os.path.join(directory, result.group(1)))
else:
lines += line
else:
return lines
if __name__ == '__main__':
if len(sys.argv) < 2:
print('Must specify XML file!', file=sys.stderr)
sys.exit(1)
filename = sys.argv[1]
directory = os.path.dirname(os.path.abspath(filename))
print(parse_file(filename))
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