Questions tagged [tornado]
Tornado is a scalable web server and web framework for Python specializing in handling thousands of simultaneous connections and real-time services.
tornado
3,764
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Tornado timeout for read_bytes
I would like to wait only 5 seconds for a response; if it does not arrive, just move forward.
async def Test(self, _connection):
_connection.write('heartbeat\n'.encode('utf-8'))
try:
...
- 14.7k
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1
answer
68
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multiple sniffers with scapy using tornado
I have 3 scripts:
scriptA: creates a certain type of connection to a server using scapy and responds to some sort of keepalive packets it finds using AsyncSniffer(). This works fine.
scriptB: sends a ...
- 89
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28
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Problems with python Tornado server
I'm trying to create a simple game on javascript where people can play together, I had issues on the communication between the client and the server using a JSON file.
Without doing any changing on my ...
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9
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Tornado websocket Handler blocking requests while running bash script
I'm using tornado to create a websocket handler for my server, which execute a script and return output to client line by line. This is working fine until I make other requests to server while this ...
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33
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How to decode audio stream using tornado websocket?
I get an ogg-encoded audio stream received chunk by chunk via tornado.websocket.WebSocketHandler. My task is to decode it on-the-fly into PCM samples to feed into another algorithm. So the ideal ...
- 1,582
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jupyter notebook - Why `tornado.web.HTTPError: HTTP 403: Forbidden`?
I'm trying to run Isaac Sim in jupyter notebook, but it worked before, and now it's broken. So I think this error is more general than only there.
When I start
jupyter notebook --MappingKernelManager....
- 3,833
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105
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Flask with Livereload and Tornado causing error when I run my program
Hi this is my first stack post. It's also my first time using Flask. After coding a bit, I found it tedious to refresh my browser each time I made some change in my app.py file or something in ...
- 23
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37
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Tornado websocket connection working with python client but fails with javascript client code
In my project I have following websocket handler using tornado websockets:
class EchoWebSocket(tornado.websocket.WebSocketHandler):
def open(self):
print("WebSocket opened")
def ...
- 45
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votes
1
answer
41
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run_in_executor causes a TimeoutError that was never retrieved
I've created a program that processes a stream of data coming from a device and writes it to a websocket for consumption by a web app. The library I've written to read from said device and yield its ...
- 2,593
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1
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424
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Python async request throwing error : object NoneType can't be used in 'await' expression
I am testing tornado websocket api with streamlit hello example application,
i added a async wrapper to tornado.websocket.WebSocketHandler get method to record websocket connections
# pip3 install ...
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1
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87
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how make a class with async aiohttp tread safe?
I have this Python class and want your opinion on whether this cls._instance._cache = {} is thread safe for tornado? if not how can I handle this cache to be thread safe?
import logging
import aiohttp
...
- 1,160
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61
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Tornado server by the side of nginx (in docker)
I recently set up Seatable Enterprise on a VPS. Seatable is delivered as a Docker image that contains nginx. I used Let's Encrypt to generate the key/cert and configure an SSL access.
I'm now trying ...
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31
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Error in launching the jupyter notebook from anaconda
Traceback (most recent call last):
File "C:\Users\sandh\anaconda3\Scripts\jupyter-notebook-script.py", line 6, in
from notebook.notebookapp import main
File "C:\Users\sandh\anaconda3\...
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50
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ModuleNotFoundError when building and running dockerfile
I am trying to build a dockerfile with Poetry.
This is my current file structure:
├── backend_services
│ ├── geocoding
│ │ ├── __init__.py
│ │ ├── application
│ │ ├── Domain
│ │ ├── ...
- 31
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Failed to start the Kernel AttributeError: 'SelectIOLoop' object has no attribute 'asyncio_loop'
I try to:
import numpy as np
as usual using vscode, but it Failed to start the Kernel:
enter image description here
AttributeError: 'SelectIOLoop' object has no attribute 'asyncio_loop'.
View Jupyter ...
