/usr/bin/undertaker-kconfigpp is in undertaker 1.6-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | #! /usr/bin/python
"""undertaker-kconfigpp - preprocess 'source' directives in Kconfig files"""
# Copyright (C) 2012 Ralf Hackner <rh@ralf-hackner.de>
# Copyright (C) 2012 Reinhard Tartler <tartler@informatik.uni-erlangen.de>
# Copyright (C) 2014 Stefan Hengelein <stefan.hengelein@fau.de>
#
# The purpose of this script is to have a complex Kconfig tree
# strucuture, such as commonly found in Linux flattened to a single
# file, which helps writing test-cases and similar.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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 sys
sys.path = [os.path.join(os.path.dirname(sys.path[0]), 'lib', 'python%d.%d' % \
(sys.version_info[0], sys.version_info[1]), 'site-packages')] + sys.path
import vamos.tools as tools
import re
import logging
from optparse import OptionParser
env_regex = re.compile(r'"[^$]*\$([\w]+)[^"]*"')
source_regex = re.compile(r"^\s*source\s+\"?([\w/\$\.\-]+)\"?")
def ppFile(filename):
try:
logging.info("Processing %s", filename)
with open(filename, 'r') as mf:
for line in mf:
# replace from environment
while env_regex.search(line):
do_break = False
for v in env_regex.findall(line):
env = os.getenv(v)
if env:
old_line = line
line = line.replace('$'+v, env)
assert not old_line == line, "[%s, %s] %s" % (env, v, line)
else:
logging.debug("[%s] var %s not found in environment (%s)\n",
filename, v, line.strip())
do_break = True
if do_break: break
# catch: help section may contain the word "source"
m = source_regex.match(line)
if m:
f = m.group(1)
if os.path.exists(f):
ppFile(f)
else:
logging.debug("[%s] failed to source %s, (%s)\n",
filename, f, line.rstrip())
else:
if line[-1] == '\n':
print line,
else:
print line
except IOError as e:
logging.error("Failed to open %s for reading: %s\n", filename, e.strerror)
if __name__ == '__main__':
parser = OptionParser(usage="%prog [options] <filename>\n\n"
"preprocess 'source' directives in Kconfig files.\n"
"The purpose of this script is to have a complex Kconfig tree\n"
"structure, such as commonly found in Linux flattened to a single\n"
"file, which helps writing test-cases and similar.")
parser.add_option('-v', '--verbose', dest='verbose', action='count',
help="increase verbosity (specify multiple times for more)")
(opts, args) = parser.parse_args()
tools.setup_logging(opts.verbose)
if len(args) < 1:
logging.error("usage: kconfigpp file (%d params given)", len(args))
parser.print_help()
sys.exit(1)
ppFile(sys.argv[1])
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