How to use the synapse.exc.SynErr function in synapse

class NoSuchDecoder(SynErr): pass
class NoSuchDir(SynErr): pass
class NoSuchDyn(SynErr): pass
class NoSuchEncoder(SynErr): pass
class NoSuchFile(SynErr): pass
class NoSuchForm(SynErr): pass
class NoSuchFunc(SynErr): pass
class NoSuchIden(SynErr): pass
class NoSuchImpl(SynErr): pass
class NoSuchIndx(SynErr): pass
class NoSuchLayer(SynErr): pass
class NoSuchLift(SynErr): pass
class NoSuchMeth(SynErr): pass
class NoSuchName(SynErr): pass
class NoSuchObj(SynErr): pass
class NoSuchOpt(SynErr): pass
class NoSuchPath(SynErr): pass
class NoSuchPivot(SynErr): pass
class NoSuchProp(SynErr): pass
class NoSuchUniv(SynErr): pass
class NoSuchRole(SynErr): pass
class NoSuchStor(SynErr): pass
class NoSuchType(SynErr): pass
class NoSuchUser(SynErr): pass
class NoSuchVar(SynErr): pass
class NoSuchView(SynErr): pass
class NoSuchTagProp(SynErr): pass
class NoSuchStormSvc(SynErr): pass

class ParserExit(SynErr):
    ''' Raised by synapse.lib.cmd.Parser on Parser exit() '''
    pass

class BadConfValu(SynErr):
    '''
    The configuration value provided is not valid.

    This should contain the config name, valu and mesg.
    '''
    pass

class NeedConfValu(SynErr): pass

class BadCoreStore(SynErr):
    '''The storage layer has encountered an error'''
    pass

class BadCtorType(SynErr): pass
class BadFormDef(SynErr): pass
class BadHivePath(SynErr): pass
class BadLiftValu(SynErr): pass
class BadPropDef(SynErr): pass
class BadTypeDef(SynErr): pass
class BadTypeValu(SynErr): pass

class BadArg(SynErr):
    ''' Improper function arguments '''
    pass

class BadFileExt(SynErr): pass
class BadIndxValu(SynErr): pass
class BadMesgVers(SynErr): pass
class BadMesgFormat(SynErr): pass
class BadOperArg(SynErr):

class BadTypeDef(SynErr): pass
class BadTypeValu(SynErr): pass

class BadArg(SynErr):
    ''' Improper function arguments '''
    pass

class BadFileExt(SynErr): pass
class BadIndxValu(SynErr): pass
class BadMesgVers(SynErr): pass
class BadMesgFormat(SynErr): pass
class BadOperArg(SynErr):
    ''' Improper storm function arguments '''
    pass

class NoPropValu(SynErr): pass

class BadOptValu(SynErr): pass
class BadPropValu(SynErr): pass
class BadStorageVersion(SynErr):
    ''' Stored persistent data is incompatible with running software '''
    pass

class BadSyntax(SynErr): pass
class BadTag(SynErr): pass
class BadTime(SynErr): pass
class BadUrl(SynErr): pass

class CantDelCmd(SynErr): pass
class CantDelNode(SynErr): pass
class CantDelProp(SynErr): pass
class CantDelUniv(SynErr): pass

'''
    Return a value or raise an exception from a retn tuple.
    '''
    ok, valu = retn

    if ok:
        return valu

    name, info = valu

    ctor = getattr(s_exc, name, None)
    if ctor is not None:
        raise ctor(**info)

    info['errx'] = name
    raise s_exc.SynErr(**info)

class NoCertKey(SynErr):
    ''' Raised when a Cert object requires a RSA Private Key to perform an operation and the key is not present.  '''
    pass

class ModAlreadyLoaded(SynErr): pass

class NoSuchAct(SynErr): pass
class NoSuchAuthGate(SynErr): pass
class NoSuchCmd(SynErr): pass
class NoSuchPkg(SynErr): pass
class NoSuchCmpr(SynErr): pass
class NoSuchCond(SynErr): pass
class NoSuchCtor(SynErr): pass
class NoSuchDecoder(SynErr): pass
class NoSuchDir(SynErr): pass
class NoSuchDyn(SynErr): pass
class NoSuchEncoder(SynErr): pass
class NoSuchFile(SynErr): pass
class NoSuchForm(SynErr): pass
class NoSuchFunc(SynErr): pass
class NoSuchIden(SynErr): pass
class NoSuchImpl(SynErr): pass
class NoSuchIndx(SynErr): pass
class NoSuchLayer(SynErr): pass
class NoSuchLift(SynErr): pass
class NoSuchMeth(SynErr): pass
class NoSuchName(SynErr): pass
class NoSuchObj(SynErr): pass
class NoSuchOpt(SynErr): pass
class NoSuchPath(SynErr): pass
class NoSuchPivot(SynErr): pass

class NoSuchAuthGate(SynErr): pass
class NoSuchCmd(SynErr): pass
class NoSuchPkg(SynErr): pass
class NoSuchCmpr(SynErr): pass
class NoSuchCond(SynErr): pass
class NoSuchCtor(SynErr): pass
class NoSuchDecoder(SynErr): pass
class NoSuchDir(SynErr): pass
class NoSuchDyn(SynErr): pass
class NoSuchEncoder(SynErr): pass
class NoSuchFile(SynErr): pass
class NoSuchForm(SynErr): pass
class NoSuchFunc(SynErr): pass
class NoSuchIden(SynErr): pass
class NoSuchImpl(SynErr): pass
class NoSuchIndx(SynErr): pass
class NoSuchLayer(SynErr): pass
class NoSuchLift(SynErr): pass
class NoSuchMeth(SynErr): pass
class NoSuchName(SynErr): pass
class NoSuchObj(SynErr): pass
class NoSuchOpt(SynErr): pass
class NoSuchPath(SynErr): pass
class NoSuchPivot(SynErr): pass
class NoSuchProp(SynErr): pass
class NoSuchUniv(SynErr): pass
class NoSuchRole(SynErr): pass
class NoSuchStor(SynErr): pass
class NoSuchType(SynErr): pass
class NoSuchUser(SynErr): pass
class NoSuchVar(SynErr): pass
class NoSuchView(SynErr): pass

class IsRuntForm(SynErr): pass

class LayerInUse(SynErr): pass

class LinkErr(SynErr): pass
class LinkShutDown(LinkErr): pass

class NoCertKey(SynErr):
    ''' Raised when a Cert object requires a RSA Private Key to perform an operation and the key is not present.  '''
    pass

class ModAlreadyLoaded(SynErr): pass

class NoSuchAct(SynErr): pass
class NoSuchAuthGate(SynErr): pass
class NoSuchCmd(SynErr): pass
class NoSuchPkg(SynErr): pass
class NoSuchCmpr(SynErr): pass
class NoSuchCond(SynErr): pass
class NoSuchCtor(SynErr): pass
class NoSuchDecoder(SynErr): pass
class NoSuchDir(SynErr): pass
class NoSuchDyn(SynErr): pass
class NoSuchEncoder(SynErr): pass
class NoSuchFile(SynErr): pass
class NoSuchForm(SynErr): pass
class NoSuchFunc(SynErr): pass
class NoSuchIden(SynErr): pass
class NoSuchImpl(SynErr): pass
class NoSuchIndx(SynErr): pass
class NoSuchLayer(SynErr): pass
class NoSuchLift(SynErr): pass

async def delView(self, iden):
        '''
        Delete a cortex view by iden.

        Note:
            This does not delete any of the view's layers
        '''
        if iden == self.view.iden:
            raise s_exc.SynErr(mesg='cannot delete the main view')

        view = self.views.pop(iden, None)
        if view is None:
            raise s_exc.NoSuchView(iden=iden)

        await self.hive.pop(('cortex', 'views', iden))
        await view.fini()

class BadIndxValu(SynErr): pass
class BadMesgVers(SynErr): pass
class BadMesgFormat(SynErr): pass
class BadOperArg(SynErr):
    ''' Improper storm function arguments '''
    pass

class NoPropValu(SynErr): pass

class BadOptValu(SynErr): pass
class BadPropValu(SynErr): pass
class BadStorageVersion(SynErr):
    ''' Stored persistent data is incompatible with running software '''
    pass

class BadSyntax(SynErr): pass
class BadTag(SynErr): pass
class BadTime(SynErr): pass
class BadUrl(SynErr): pass

class CantDelCmd(SynErr): pass
class CantDelNode(SynErr): pass
class CantDelProp(SynErr): pass
class CantDelUniv(SynErr): pass
class CantDelRootUser(SynErr): pass
class CantRevLayer(SynErr): pass
class CliFini(SynErr):
    '''
    Raised when the CLI is to exit.
    '''
    pass

class BadArg(SynErr):
    ''' Improper function arguments '''
    pass

class BadFileExt(SynErr): pass
class BadIndxValu(SynErr): pass
class BadMesgVers(SynErr): pass
class BadMesgFormat(SynErr): pass
class BadOperArg(SynErr):
    ''' Improper storm function arguments '''
    pass

class NoPropValu(SynErr): pass

class BadOptValu(SynErr): pass
class BadPropValu(SynErr): pass
class BadStorageVersion(SynErr):
    ''' Stored persistent data is incompatible with running software '''
    pass

class BadSyntax(SynErr): pass
class BadTag(SynErr): pass
class BadTime(SynErr): pass
class BadUrl(SynErr): pass

class CantDelCmd(SynErr): pass
class CantDelNode(SynErr): pass
class CantDelProp(SynErr): pass
class CantDelUniv(SynErr): pass
class CantDelRootUser(SynErr): pass
class CantRevLayer(SynErr): pass