import os from os import path import shutil import subprocess import sys import tempfile import argparse import re OUT_DIR_ARG = '--python_out=' def main(): parser = argparse.ArgumentParser() parser.add_argument("--suffixes", nargs="*", default=[]) parser.add_argument("protoc_args", nargs=argparse.REMAINDER) script_args = parser.parse_args() args = script_args.protoc_args if args[0] == "--": args = args[1:] out_dir_orig = None out_dir_temp = None plugin_out_dirs_orig = {} for i in range(len(args)): if args[i].startswith(OUT_DIR_ARG): assert not out_dir_orig, 'Duplicate "{0}" param'.format(OUT_DIR_ARG) out_dir_orig = args[i][len(OUT_DIR_ARG):] out_dir_temp = tempfile.mkdtemp(dir=out_dir_orig) args[i] = OUT_DIR_ARG + out_dir_temp continue match = re.match(r"^(--(\w+)_out=).*", args[i]) if match: plugin_out_dir_arg = match.group(1) plugin = match.group(2) assert plugin not in plugin_out_dirs_orig, 'Duplicate "{0}" param'.format(plugin_out_dir_arg) plugin_out_dirs_orig[plugin] = args[i][len(plugin_out_dir_arg):] assert plugin_out_dirs_orig[plugin] == out_dir_orig, 'Params "{0}" and "{1}" expected to have the same value'.format(OUT_DIR_ARG, plugin_out_dir_arg) args[i] = plugin_out_dir_arg + out_dir_temp assert out_dir_temp, 'Param "{0}" not found'.format(OUT_DIR_ARG) retcode = subprocess.call(args) assert not retcode, 'Protoc failed for command {}'.format(' '.join(args)) for root_temp, dirs, files in os.walk(out_dir_temp): sub_dir = path.relpath(root_temp, out_dir_temp) root_orig = path.join(out_dir_orig, sub_dir) for d in dirs: d_orig = path.join(root_orig, d) if not path.exists(d_orig): os.mkdir(d_orig) for f in files: f_orig = f for suf in script_args.suffixes: if f.endswith(suf): f_orig = f[:-len(suf)] + "__int__" + suf break os.rename(path.join(root_temp, f), path.join(root_orig, f_orig)) shutil.rmtree(out_dir_temp) if __name__ == '__main__': main()