aconz2’s gists

aconz2 / blenderlivereload.py

Last active April 20, 2020 00:08

Blender plugin to rerun a Python script on change. Still buggy properly shutting down

	from threading import Event, Thread
	import bpy
	from inotify_simple import INotify, flags
	import traceback

	# this is still buggy on properly cleaning things up on exit

	def run(exit: Event, changed: Event, filename):
	inotify = INotify()
	inotify.add_watch(filename, flags.MODIFY)

aconz2 / live-reload.sh

Last active November 3, 2022 13:12

simple way to get live reloading browser. Pipe list of filenames that will trigger a refresh (see entr)

	#!/usr/bin/env bash

	trap 'kill $(jobs -pr) 2>/dev/null' SIGINT SIGTERM EXIT

	browser=chromium-browser

	python3 -m http.server &

	$browser "http://localhost:8000/$1" 2>/dev/null &
	browserpid=$!

aconz2 / libavformat_example.c

Created April 13, 2020 18:55

Example using lib{avformat,codec} to demux and decode frames of a container file

	// clang -g -O2 -I/usr/include/ffmpeg -lavformat -lavutil -lavcodec avformat_example.c -o avformat_example

	#include <assert.h>

	#include <libavcodec/avcodec.h>
	#include <libavformat/avformat.h>
	#include <libavutil/file.h>

	int main(int argc, char *argv[]) {
	if (argc != 2) {

aconz2 / enumeratewalks.py

Created February 7, 2019 15:25

Enumerate paths on a pixel grid of varying path lengths

	import itertools
	import numpy as np
	from PIL import Image
	from operator import itemgetter
	from collections import defaultdict
	import base64
	import io

	dirs_map = {
	(1, 0) : 'R',

aconz2 / catmull_rom_to_bezier.py

Last active July 20, 2022 10:11

python smooth interpolation of points using cubic bezier, computed from catmull_rom

	"""
	python reimplementation of http://schepers.cc/getting-to-the-point (source http://schepers.cc/svg/path/catmullrom2bezier.js)
	Pretty much the coolest thing ever
	"""
	from collections import namedtuple
	import numpy as np

	Point = namedtuple('Point', ('x', 'y'))

	def catmull_rom_to_bezier(points):

aconz2 / migrate.py

Created July 5, 2018 19:31

peewee migrator

	# generic migration template

	from playhouse.migrate import *
	from models import *

	migrator = SchemaMigrator.from_database(database)

	def add_column(field):
	return migrator.add_column(field.model._meta.table_name, field.column_name, field)

aconz2 / fifoleak.py

Created May 28, 2018 04:59

FIFO leak when using many processes under pypy

	import multiprocessing
	from subprocess import run, PIPE
	import os
	import gc

	def worker(x):
	return x * x

	def n_files_open():
	return len(files_open())

aconz2 / slack-redirect.js

Created May 7, 2018 15:49

slack redirect rewrite (tampermonkey)

	// ==UserScript==
	// @name Avoid Slack Redirect
	// @namespace slackrediravoid
	// @include https://.slack.com/
	// @version 1
	// @grant none
	// ==/UserScript==
	let si = window.setInterval(clearanchors, 2000);
	function clearanchors(){
	let anchors = document.querySelectorAll('a[href^="https://slack-redir"]');

aconz2 / s3-streaming-fileobj.py

Last active December 18, 2019 21:25

monkey patch s3 streamingbody to be streamable for csv for example

	import boto3
	import io
	import csv
	from functools import partial

	s3c = boto3.client('s3')

	def logging_read(read, amt):
	print('READ {}'.format(amt))
	return read(amt)

aconz2 / csv-to-xlsx.ps1

Created January 3, 2018 22:56

convert csv to xlsx with excel

	param(
	[parameter(mandatory=$true)]
	[string]$infile,

	[parameter(mandatory=$true)]
	[string]$outfile
	)

	# https://msdn.microsoft.com/en-us/vba/excel-vba/articles/workbook-saveas-method-excel

Andrew Consroe aconz2