def do_create(marfile, files, compress, productversion=None, channel=None,<EOL>signing_key=None, signing_algorithm=None):
with open(marfile, '<STR_LIT>') as f:<EOL><INDENT>with MarWriter(f, productversion=productversion, channel=channel,<EOL>signing_key=signing_key,<EOL>signing_algorithm=signing_algorithm,<EOL>) as m:<EOL><INDENT>for f in files:<EOL><INDENT>m.add(f, compress=compress)<EOL><DEDENT><DEDENT><DEDENT>
Create a new MAR file.