在上面的JavaScript代码中,我们创建了一个WebSocket连接,连接到Flask应用程序中的/stream路由。然后,我们定义了一个onmessage事件处理程序,用于处理接收到的实时数据。当接收到数据时,事件处理程序将打印出接收到的实时数据。这样,你就成功地使用Flask的stream_with_context功能实现了实时流内容与前端请求的交互。你可以根据...
stream_with_context的使用方法相当简单。首先,需要导入Python的asyncio库和contextlib库: ```python import asyncio from contextlib import asynccontextmanager ``` 然后,可以定义一个异步函数,并在该函数中使用stream_with_context生成数据流: ```python @asynccontextmanager async def my_async_generator(): for...
request.stream);ifstatus_code==200orstatus_code==201:returnResponse(stream_with_context(data),status=status_code,content_type = contentType)else:returnResponse(status=status)ifrequest.method =='DELETE':
要接受stream_with_context返回的流式数据,可以使用迭代器来逐步获取数据。以下是一个示例: fromflaskimportFlask,stream_with_context,Response app=Flask(__name__) @app.route('/data') defget_data(): # 模拟生成一些数据 data_generator=generate_data() # 使用 stream_with_context 包装生成器函数 stream=...
# 需要导入模块: import flask [as 别名]# 或者: from flask importstream_with_context[as 别名]def_compressed_response(compression, results):''' Compress the data before sending it back in the Response Parameters: compression (str): The compression type. Either `json` or `msgpack`. ...
python stream_with_context chunk大小 import string python,string模块可以追溯到早期版本的Python。以前在本模块中实现的许多功能已经转移到str物品。这个string模块保留了几个有用的常量和类来处理str物品。字符串-文本常量和模板目的:包含用于处理文本的常量和类。功
1、问题 最近要实现这样一个功能：某个 cgi 处理会很耗时，需要把处理的结果实时的反馈给前端，而不能...
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for stream processing with contextual data affinity. One of the methods includes receiving an event at a computing node of a stream processing system that includes one or more computing nodes and data ...
stream_context_create作用:创建并返回一个文本数据流并应用各种选项,可用于fopen(),file_get_contents()等过程的超时设置、代理服务器、请求方式、头信息设置的特殊过程。函数原型:resource stream_context_create ([ array $options [, array $params ]] )在使用file_get_contents函数的时候,经常会出现超时的情况...
A per-stream context structure can be associated with a file stream only after the file system has successfully processed the IRP_MJ_CREATE request to open the stream. The reason is because it's only after the file system has processed the create request that a legacy f...