def register_vcs_handler(vcs, method):  
def decorate(f):<EOL><INDENT>"""<STR_LIT>"""<EOL>if vcs not in HANDLERS:<EOL><INDENT>HANDLERS[vcs] = {}<EOL><DEDENT>HANDLERS[vcs][method] = f<EOL>return f<EOL><DEDENT>return decorate<EOL>
Decorator to mark a method as the handler for a particular VCS.