vaclavcadek’s gists

vaclavcadek / multi_status.py

Created February 21, 2025 21:26

Multistatus for asyncio tasks/gather.

	from rich.console import Console, Group
	from rich.live import Live
	from rich.status import Status
	import asyncio
	import time

	class MultiStatus:
	def __init__(self, tasks):
	self.statuses = {
	name: Status(f"{name}: Starting...", spinner="dots", spinner_style="green")

vaclavcadek / Dockerfile

Last active November 4, 2024 12:31

FIPS enabled container to test FIPS compliance

	# Dockerfile
	FROM quay.io/centos/centos:stream9

	# Enable better debugging
	SHELL ["/bin/bash", "-x", "-c"]

	# Install Python and required packages
	RUN dnf update -y && \
	dnf install -y python3 python3-pip openssl openssl-devel gcc python3-devel \
	crypto-policies-scripts && \

vaclavcadek / memory_profiler.py

Created January 11, 2022 16:19

Simple snippet of how to profile memory in python.

	import time
	import gc
	import psutil

	import humanize

	gc.collect()
	time.sleep(2)

	mem_before = psutil.virtual_memory()[3]

vaclavcadek / single_channel_ica.py

Created October 22, 2021 17:29

A not so successful attempt to perform single channel ICA using Wavelet Transform.

	import itertools
	from scipy import signal

	import pywt
	import numpy as np
	import matplotlib.pyplot as plt

	from sklearn.decomposition import FastICA

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

vaclavcadek / dockerize.sh

Created May 14, 2021 11:38

Simple TF serving example with normalization layer being part of TF graph wrapped in TF serving REST API.

	# Download the TensorFlow Serving Docker image and repo
	docker pull tensorflow/serving

	# Start TensorFlow Serving container and open the REST API port
	docker run -t --rm -p 8501:8501 -v "/home/vaclav/PycharmProjects/the-algorithm-lab/tensorflow2/practice/deployment/my_model:/models/my_model" -e MODEL_NAME=my_model tensorflow/serving &

	# Query the model using the predict API
	curl -d '{"instances": [17.99000,20.57000,19.69000,11.42000,20.29000,12.45000,18.25000,13.71000,13.00000,12.46000,16.02000,15.78000,19.17000,15.85000,13.73000,14.54000,14.68000,16.13000,19.81000,13.54000,13.08000,9.50400,15.34000,21.16000,16.65000,17.14000,14.58000,18.61000,15.30000,17.57000]}' \
	-X POST http://localhost:8501/v1/models/my_model:predict

vaclavcadek / svg_write_streamlit.py

Created April 7, 2021 13:30

How to write SVG file instead of broken (blurry) matplotlib.

	def svg_write(fig, center=True):
	"""
	Renders a matplotlib figure object to SVG and embedd it as base64.
	Disable center to left-margin align like other objects.

	Shamelessly taken from:
	https://discuss.streamlit.io/t/display-svg/172
	"""
	# Save to stringIO instead of file
	imgdata = StringIO()

vaclavcadek / backward_compatibility.py

Created March 25, 2021 13:00

Forward and backward compatibility illustration.

	import json
	import pickle

	class Foo:
	""" An old Foo."""

	def __init__(self, a, b):
	self.a = a
	self.b = b

vaclavcadek / Dockerfile

Last active April 2, 2024 17:37

Simple example of AWS Lambda + custom image, usage: 1) docker build . -t test/hello-world 2) docker run --rm -p 9000:8080 test/hello-world:latest 3) curl -XPOST "http://localhost:9000/2015-03-31/functions/function/invocations" -d '{"foo": "test"}'

	FROM python:3.8-alpine

	# Define global args
	ARG FUNCTION_DIR="/home/app/"

	RUN apk add --no-cache \
	libstdc++

	# Install aws-lambda-cpp build dependencies
	RUN apk add --no-cache \

vaclavcadek / fourier_transform.py

Created March 4, 2021 16:24

Code for amazing 3B1B lecture (https://youtu.be/spUNpyF58BY) about Fourier Transform intuition.

	from scipy.integrate import simpson
	import matplotlib.pyplot as plt
	import numpy as np


	def almost_fourier_transform(g: np.ndarray, t: np.ndarray, f: float):
	# approximate center of mass as a mean
	t1 = np.min(t)
	t2 = np.max(t)
	scaling_factor = (1 / (t2 - t1))

vaclavcadek / 51_1.tsp

Created September 13, 2018 15:46

Simple implementation (I don't remember where I found it, but it was in C/C++) of Lin-Kernighan heuristic for TSP.

	51
	27 68
	30 48
	43 67
	58 48
	58 27
	37 69
	38 46
	46 10
	61 33

Václav Čadek vaclavcadek