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twisteroidambassador / barrier.py

Created April 11, 2017 10:00

An (partial) asyncio version of threads.Barrier. There's only wait(), no reset() or abort() or concept of being broken, and like all other asyncio->threading analogues, no timeouts.

	import asyncio

	class Barrier():
	"""asyncio version of threading.Barrier (partial).

	Implements wait() only, without support for timeouts."""

	def __init__(self, parties, loop=None):
	if loop is None:
	self._loop = asyncio.get_event_loop()

twisteroidambassador / gnlpy_tcpmetrics.py

Created June 24, 2018 14:02

Getting tcp_metrics with gnlpy

	"""Accessing TCP metrics in Linux using Generic Netlink via gnlpy."""

	import array
	import ipaddress
	import struct

	from pprint import pprint
	from typing import Union

	import gnlpy.netlink as netlink

twisteroidambassador / distinguish_cancellation.py

Created February 20, 2019 03:15

Determine whether task was cancelled from inside or outside

	import asyncio


	class CancelledFromOutside(asyncio.CancelledError):
	pass


	class CancelledFromInside(asyncio.CancelledError):
	pass

twisteroidambassador / ip_network_subnets.py

Created November 2, 2021 15:59

Why is picking a random IP subnet in Python so awkward?

	import ipaddress
	import typing
	import abc

	IPNetworkType = typing.TypeVar('IPNetworkType', ipaddress.IPv4Network, ipaddress.IPv6Network)


	class IPSubnetSequence(typing.Sequence[IPNetworkType]):
	"""An indexable sequence of subnets of a given network.