build.py 文件源码

def exec_task(fn, task, d, profile = False):
    try:
        quieterr = False
        if d.getVarFlag(task, "quieterrors", False) is not None:
            quieterr = True

        if profile:
            profname = "profile-%s.log" % (d.getVar("PN", True) + "-" + task)
            try:
                import cProfile as profile
            except:
                import profile
            prof = profile.Profile()
            ret = profile.Profile.runcall(prof, _exec_task, fn, task, d, quieterr)
            prof.dump_stats(profname)
            bb.utils.process_profilelog(profname)

            return ret
        else:
            return _exec_task(fn, task, d, quieterr)

    except Exception:
        from traceback import format_exc
        if not quieterr:
            logger.error("Build of %s failed" % (task))
            logger.error(format_exc())
            failedevent = TaskFailed(task, None, d, True)
            event.fire(failedevent, d)
        return 1