Norman E. NormanEdance

## asyncio_shutdown_loop.py
import signal
import functools

async def looping_task(loop, task_num):
    try:
        while True:
            print('{0}:in looping_task'.format(task_num))
            await asyncio.sleep(5.0, loop=loop)
    except asyncio.CancelledError:
        return "{0}: I was cancelled!".format(task_num)

## cubism-websockets.html

<!DOCTYPE html>
<meta charset='utf-8'>
    <head>
        <title>Cubism + Websockets</title>
        <script language='javascript' src='d3.min.js'></script>
        <script language='javascript' src='cubism.v1.js'></script>
        <script language='javascript'>
        /* I can never seem to remember:
        Array.push() appends to the end, and returns the new length

## subprocess_filter.py
"""
Problem: provide two-way communication with a subprocess in Python.

See also:
- https://kevinmccarthy.org/2016/07/25/streaming-subprocess-stdin-and-stdout-with-asyncio-in-python/
- http://eli.thegreenplace.net/2017/interacting-with-a-long-running-child-process-in-python/
"""

import asyncio
import sys