Voyz’s gists

Voyz / infer_dtypes.py

Last active June 4, 2024 07:02

infer_dtypes infers datatypes from a list of values. This file includes an example from pd.DataFrame.

	import string
	import warnings
	from typing import List, Dict

	import numpy as np
	import pandas as pd


	def infer_dtypes(values: List, sample_size: int = 300, stop_after: int = 300):
	"""

Voyz / cross_process_throttle.py

Created May 31, 2024 07:23

	import multiprocessing
	import time
	from collections import deque


	class ThrottleBarrier():
	def __init__(
	self,
	counter: multiprocessing.Value,
	lock: multiprocessing.Lock,

Voyz / cross_process_throttle_usage.py

Created May 31, 2024 07:19

	import datetime
	from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor

	from ratelimiter import ThrottleBarrier, CrossProcessesThrottle


	def log(args, *kwargs):
	print(datetime.datetime.now().strftime('[%H:%M:%S]'), args, *kwargs)

Voyz / timeseries_vertices_voy_A01.py

Created October 23, 2022 14:48

Vertices of a timeseries

	def timeseries_vertices(ser:pd.Series, distance=15, coeff=3):

	name = ser.name

	# remove intermediate vertices on lines
	def no_lines(df):
	df.loc[:, 'gt_before'] = df.loc[:, name] > df.loc[:, name].shift(1)
	df.loc[:, 'gt_after'] = df.loc[:, name] > df.loc[:, name].shift(-1)
	df.loc[:, 'is_peak'] = df.loc[:, 'gt_before'] == df.loc[:, 'gt_after']
	df = df.loc[df.loc[:, 'is_peak'], :].copy()

Voyz / bouquets_log.json

Last active August 31, 2022 12:34

Tulip matching challenge - pubic data

	[
	{"side": "SELL", "tulips": 15, "tulip_price": 111.5, "transaction_date": "2022-02-01T00:00:00.250000"},
	{"side": "BUY", "tulips": 15, "tulip_price": 107.5, "transaction_date": "2022-02-01T00:30:00.250000"},
	{"side": "BUY", "tulips": 15, "tulip_price": 107, "transaction_date": "2022-02-01T01:30:00.250000"},
	{"side": "SELL", "tulips": 20, "tulip_price": 104.5, "transaction_date": "2022-02-01T02:00:00.250000"},
	{"side": "BUY", "tulips": 10, "tulip_price": 105, "transaction_date": "2022-02-01T02:00:00.250000"},
	{"side": "SELL", "tulips": 15, "tulip_price": 112.5, "transaction_date": "2022-02-01T03:00:00.250000"},
	{"side": "BUY", "tulips": 15, "tulip_price": 111.5, "transaction_date": "2022-02-01T03:30:00.250000"},
	{"side": "SELL", "tulips": 20, "tulip_price": 111.0, "transaction_date": "2022-02-01T04:00:00.250000"},
	{"side": "BUY", "tulips": 15, "tulip_price": 109.5, "transaction_date": "2022-02-01T04:30:00.250000"}

Voyz / IBeamDockerfileArm

Created April 14, 2021 13:55

IBeam arm64 Dockerfile

	FROM python:3.7.7-slim-buster

	RUN python -m venv /opt/venv
	ENV PATH="/opt/venv/bin:$PATH"

	RUN mkdir -p /usr/share/man/man1

	RUN apt-get update && \
	apt-get install -y default-jre && \
	apt-get -y install dbus-x11 xfonts-base xfonts-100dpi xfonts-75dpi xfonts-cyrillic xfonts-scalable && \

Voyz / ibkr_inlet.py

Last active March 22, 2021 03:14

Databay Inlet for IBKR CP Web API

	TS_DATE_FORMAT_DB_ISO = '%Y-%m-%dT%H:%M:%S,%f' # comma works for mongodb and is valid ISO

	def datetimeindex_to_UTC(_dti):
	dti = _dti.copy(deep=True)
	if 'tz' not in dti or dti.tz is None:
	dti = dti.tz_localize('UTC')
	else:
	dti = dti.tz_convert('UTC')
	dti = dti.dt.strftime(TS_DATE_FORMAT_DB_ISO).astype(str).str.slice(0, -3)
	return dti

Voyz / databay_batch_outlets_and_splitters.py

Created February 14, 2021 14:09

databay_batch_outlets_and_splitters

	import csv
	import os
	from pathlib import Path
	from typing import List

	from databay import Outlet, Update, Record, Link
	from databay.inlets import RandomIntInlet
	from databay.outlet import MetadataKey
	from databay.outlets import CsvOutlet

Voyz / path_between_nulls.js

Created January 4, 2021 07:57

After Effects path between nulls

	offset = [thisComp.width, thisComp.height]/2
	p1 = thisComp.layer("P1").toComp([0,0]).slice(0,2) - offset
	p2 = thisComp.layer("P2").toComp([0,0]).slice(0,2) - offset
	t1 = thisComp.layer("T1").toComp([0,0]).slice(0,2) - offset - p1
	t2 = thisComp.layer("T2").toComp([0,0]).slice(0,2) - offset - p2

	ps = [p1, p2]
	in_tangents = [[0,0], t2]
	out_tangents = [t1, [0,0]]
	createPath(ps, in_tangents, out_tangents, is_closed=false)

Voyz / weather_finder_basic.txt

Last active December 7, 2020 08:50

Weather finder basic

	* Originally built for my mate Sam as part of our mentoring sessions. See: https://youtu.be/TXoDvTJuEb0 *

	####################
	WEATHER FINDER BASIC
	####################

	Utilise an online weather API to fetch and display current weather information based on the city and country code provided.


	###################

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