aeros

"""Created for the purpose of comparing the construction time
between ``dict``, ``ChainMap``, and the proposed ``frozenmap`` in PEP-603.
"""

import sys
import time
import collections

import immutables

aeros

import asyncio
import time

total_tests = 10_000_000

async def test_get_running_loop():
    return asyncio.get_running_loop()

async def test_get_event_loop():
    return asyncio.get_event_loop()

aeros

# Authored by: Kyle Stanley (https://github.com/aeros)

import asyncio
import concurrent.futures
import threading
import functools
import weakref
import os

# Only needed for demo.

aeros

import sys
import types
import gc

ignored_types = (
    type,
    types.FunctionType,
    types.LambdaType,
    types.MethodType,
    types.BuiltinFunctionType,

aeros

"""Requires
https://github.com/aeros/cpython/tree/bpo39349-add-cancel_futures-to-Executor.shutdown.
See https://github.com/python/cpython/pull/18057 for details.
"""

import concurrent.futures as cf
import time


def wait_return(duration, result):

aeros

"""Warning: executor.shutdown(wait=False) causes deadlocks for instances of
concurrent.futures.ProcessPoolExecutor.

Not intended for usage outside of debugging and demonstration purposes.
Tested on Python 3.7.6 and 3.8.1.
"""

import concurrent.futures as cf
import time