util.py 文件源码

def run_command_hooks(cmd_obj, hook_kind):
    """Run hooks registered for that command and phase.

    *cmd_obj* is a finalized command object; *hook_kind* is either
    'pre_hook' or 'post_hook'.
    """

    if hook_kind not in ('pre_hook', 'post_hook'):
        raise ValueError('invalid hook kind: %r' % hook_kind)

    hooks = getattr(cmd_obj, hook_kind, None)

    if hooks is None:
        return

    for hook in hooks.values():
        if isinstance(hook, str):
            try:
                hook_obj = resolve_name(hook)
            except ImportError:
                err = sys.exc_info()[1] # For py3k
                raise DistutilsModuleError('cannot find hook %s: %s' %
                                           (hook,err))
        else:
            hook_obj = hook

        if not hasattr(hook_obj, '__call__'):
            raise DistutilsOptionError('hook %r is not callable' % hook)

        log.info('running %s %s for command %s',
                 hook_kind, hook, cmd_obj.get_command_name())

        try :
            hook_obj(cmd_obj)
        except:
            e = sys.exc_info()[1]
            log.error('hook %s raised exception: %s\n' % (hook, e))
            log.error(traceback.format_exc())
            sys.exit(1)