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#!/usr/bin/env python3
#
# opus/read-sources-list.py
#
# Parses .mk files and extracts list of source files.
# Prints one line per source file list, with filenames space-separated.
import sys
if len(sys.argv) < 2:
sys.exit('Usage: {} sources_foo.mk [sources_bar.mk...]'.format(sys.argv[0]))
for input_fn in sys.argv[1:]:
with open(input_fn, 'r', encoding='utf8') as f:
text = f.read()
text = text.replace('\\\n', '')
# Remove empty lines
lines = [line for line in text.split('\n') if line.strip()]
# Print SOURCES_XYZ = file1.c file2.c
for line in lines:
values = line.strip().split('=', maxsplit=2)
if len(values) != 2:
raise RuntimeError('Unable to parse line "{}" from file "{}"'.format(line, input_fn))
var, files = values
sources_list = [f for f in files.split(' ') if f]
print(var.strip(), '=', ' '.join(sources_list))
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