tenfourfox/media/libopus/gen-sources.py
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

71 lines
2.6 KiB
Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# This file takes the .mk files from an upstream opus repo and generates the
# sources.mozbuild file. It is invoked as part of update.sh
import sys
import re
def add_value(values, text):
text = text.replace('\\', '')
text = text.strip()
if text:
values.append(text)
def write_values(output, values):
for value in sorted(values, key=lambda x: x.lower()):
output.write(" '%s',\n" % value)
output.write(']\n\n')
def generate_sources_mozbuild(path):
makefiles = [
'celt_sources.mk',
'opus_sources.mk',
'silk_sources.mk',
]
var_definition = re.compile('([A-Z_]*) = (.*)')
with open('sources.mozbuild', 'w') as output:
output.write('# THIS FILE WAS AUTOMATICALLY GENERATED BY %s. DO NOT EDIT.\n' % sys.argv[0])
for makefile in makefiles:
values = []
definition_started = False
with open('%s/%s' % (path, makefile), 'r') as mk:
for line in mk:
line = line.rstrip()
result = var_definition.match(line)
if result:
if definition_started:
write_values(output, values)
values = []
definition_started = True
# Some variable definitions have the first entry on the
# first line. Eg:
#
# CELT_SOURCES = celt/bands.c
#
# So we treat the first group as the variable name and
# the second group as a potential value.
#
# Note that we write the variable name in lower case (so
# "CELT_SOURCES" in the .mk file becomes "celt_sources"
# in the .mozbuild file) because moz.build reserves
# upper-case variable names for build system outputs.
output.write('%s = [\n' % result.group(1).lower())
add_value(values, result.group(2))
else:
add_value(values, line)
write_values(output, values)
if __name__ == '__main__':
if len(sys.argv) != 2:
print "Usage: %s /path/to/opus" % (sys.argv[0])
sys.exit(1)
generate_sources_mozbuild(sys.argv[1])