Kurt Griffiths kgriffs

Technologist, open source contributor, musician, mentor. Creator of the Falcon web framework for Python.

kgriffs / trim_mp3s.sh

Last active March 19, 2024 17:28

Bash script to trip mp3s to one hour in length and convert to AAC

	#!/bin/bash

	# Set the directory where your MP3 files are located
	input_dir="."

	# Set the desired output bitrate (in bits per second)
	output_bitrate="192k" # Adjust this value as needed

	# Loop through each MP3 file in the directory
	for file in "$input_dir"/*.mp3; do

kgriffs / example.py

Last active February 13, 2024 19:22

Python TZ Aware datetime and DST Conversion Example

	import datetime
	import pytz

	tz_ny = pytz.timezone('America/New_York')

	dt_aware_dst_active = tz_ny.localize(datetime.datetime(2023, 5, 1, 12, 0))
	dt_aware_dst_inactive = tz_ny.localize(datetime.datetime(2023, 12, 1, 12, 0))

	print("Original DST Active Offset (America/New_York):", dt_aware_dst_active.dst())
	print("Original DST Active (America/New_York):", dt_aware_dst_active)

kgriffs / example.yml

Created January 16, 2024 17:04

Github Action (GHA) caching a downloaded file example

	- name: Cache downloaded file
	id: cache-some-file
	uses: actions/cache@v3
	with:
	path: some-file
	key: ${{ runner.os }}-downloaded-file-${{ hashFiles('some-file') }}
	- name: Fetch smctl MSI
	if: steps.cache-some-file.outputs.cache-hit != 'true'
	shell: pwsh
	run: \|

kgriffs / datadog_fetch_logs.py

Last active November 27, 2023 17:26

DataDog Download Logs Example

	import requests
	import time


	class DatadogLogIterator:
	_MAX_LIMIT = 1_000
	_FETCH_LIMIT = _MAX_LIMIT

	def __init__(self, query, start, end, api_key, app_key):
	self._cursor = None

kgriffs / async-does-not-mix.py

Last active November 18, 2022 21:22

Example demonstrating how a synchronous control flow never yields to tasks on the event loop, starving them.

	import asyncio
	import httpx
	import time


	async def do_work_async():
	http = httpx.AsyncClient()

	while True:
	resp = await http.get('https://httpbin.org/status/202')

kgriffs / example_asyncio_signal_shutdown.py

Last active November 2, 2022 01:52

Example showing how to trap a signal with a Python asyncio coroutine function and exit cleanly without logging an error.

	import asyncio
	import functools
	import signal
	import sys
	import time


	async def worker(shutdown_event):
	try:
	while True:

kgriffs / aiobotocore-config-example.py

Last active November 7, 2022 16:39

aiobotocore config example (vs. boto3) for setting connect_timeout and usign the standard retries mode

	import asyncio

	import aiobotocore.session
	import aiobotocore.config


	async def example():
	# Equivalent to boto3.client('s3', config=botocore.client.Config(**kwargs))
	# See also for available options:
	# * https://botocore.amazonaws.com/v1/documentation/api/latest/reference/config.html

kgriffs / boto3async.py

Last active October 4, 2023 14:47

asyncio boto3 wrapper to run boto3 client methods in a thread pool executor as an alternative to aiobotocore

	# =============================================================================
	# Copyright 2022 by Rafid Al-Humaimidi. All rights reserved.
	# Licensed via Apache 2.0 (https://www.apache.org/licenses/LICENSE-2.0)
	#
	# Forked from: https://github.com/rafidka/boto3async
	# =============================================================================

	"""Adds simple async wrappers around boto3 client methods.

	This module adds async methods to the stock boto3 clients. The async versions of

kgriffs / example.sh

Last active August 24, 2022 03:18

Start redis server without disk persistence; memory only for testing (avoids having to clean up a dump.rdb file)

redis-server --save "" --appendonly no

kgriffs / listening.sh

Created July 29, 2022 22:01

macOS port listening bash

	# https://stackoverflow.com/a/30029855/21784
	listening() {
	if [ $# -eq 0 ]; then
	sudo lsof -iTCP -sTCP:LISTEN -n -P
	elif [ $# -eq 1 ]; then
	sudo lsof -iTCP -sTCP:LISTEN -n -P \| grep -i --color $1
	else
	echo "Usage: listening [pattern]"
	fi
	}