Function _subst_vars

Lib/sysconfig/__init__.py:243–250

(s, local_vars)

def _subst_vars(s, local_vars):
    try:
        return s.format(**local_vars)
    except KeyError as var:
        try:
            return s.format(**os.environ)
        except KeyError:
            raise AttributeError(f'{var}') from None

def _extend_dict(target_dict, other_dict):
    target_keys = target_dict.keys()