def variables(package):
_raise_if_not_exists(package)<EOL>result = _query(package, '<STR_LIT>')<EOL>names = (x.strip() for x in result.split('<STR_LIT:\n>') if x != '<STR_LIT>')<EOL>return dict(((x, _query(package, '<STR_LIT>'.format(x)).strip()) for x in names))<EOL>
Return a dictionary of all the variables defined in the .pc pkg-config file
of 'package'.