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import os, sys
from lib import util
def _openscad(in_path, out_path, deps_path):
util.command([os.environ['OPENSCAD'], '-o', out_path, '-d', deps_path, in_path])
def _write_dependencies(path, target, dependencies):
util.write_file(path, '{}: {}\n'.format(target, ' '.join(dependencies)).encode())
def main(in_path, out_path, deps_path):
cwd = os.getcwd()
def relpath(path):
return os.path.relpath(path, cwd)
with util.TemporaryDirectory() as temp_dir:
temp_deps_path = os.path.join(temp_dir, 'deps')
temp_mk_path = os.path.join(temp_dir, 'mk')
temp_files_path = os.path.join(temp_dir, 'files')
_openscad(in_path, out_path, temp_deps_path)
mk_content = '%:; echo "$@" >> {}'.format(util.bash_escape_string(temp_files_path))
util.write_file(temp_mk_path, mk_content.encode())
util.command(['make', '-s', '-B', '-f', temp_mk_path, '-f', temp_deps_path])
deps = set(map(relpath, util.read_file(temp_files_path).decode().splitlines()))
ignored_files = set(map(relpath, [temp_deps_path, temp_mk_path, in_path, out_path]))
_write_dependencies(deps_path, relpath(out_path), deps - ignored_files)
main(*sys.argv[1:])
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