U vi @ s d dl mZ d dlmZ d dlmZmZmZmZmZ d dl m Z mZmZm Z mZ d dlmZmZmZ d dlmZ edZd ejeee e d f eej ee e ge e f d ddZdS ) )Future)datetime)AnyCallableOptionalTypeVarUnion) Observableabcfrom_futurethrowtyping)CompositeDisposableSerialDisposableSingleAssignmentDisposable)TimeoutScheduler_TNz Future[_T])duetimeother schedulerreturnc sL |pt td}t|tr$t|n|tt tt d fdd}|S )NTimeout)sourcer c s4 dt jt tt j t jd fdd }t|S )a\ Returns the source observable sequence or the other observable sequence if duetime elapses. Examples: >>> res = timeout(source) Args: source: Source observable to timeout Returns: An observable sequence switching to the other sequence in case of a timeout. N)observer scheduler_r c s p|pt dgdg t }t t |_d d fdd td d fdd}td d fd d}d d fdd } j||||d|_tS )NFr )r c sV d dt jtd fdd } ttrD| _n| _d S )Nr )r statec s0 d kd<