1#!/usr/bin/env python3 2# 3# opus/read-sources-list.py 4# 5# Parses .mk files and extracts list of source files. 6# Prints one line per source file list, with filenames space-separated. 7 8import sys 9 10if len(sys.argv) < 2: 11 sys.exit('Usage: {} sources_foo.mk [sources_bar.mk...]'.format(sys.argv[0])) 12 13for input_fn in sys.argv[1:]: 14 with open(input_fn, 'r', encoding='utf8') as f: 15 text = f.read() 16 text = text.replace('\\\n', '') 17 18 # Remove empty lines 19 lines = [line for line in text.split('\n') if line.strip()] 20 21 # Print SOURCES_XYZ = file1.c file2.c 22 for line in lines: 23 values = line.strip().split('=', maxsplit=2) 24 if len(values) != 2: 25 raise RuntimeError('Unable to parse line "{}" from file "{}"'.format(line, input_fn)) 26 var, files = values 27 sources_list = [f for f in files.split(' ') if f] 28 print(var.strip(), '=', ' '.join(sources_list)) 29