Konstantin Verner konverner

konst.verner@gmail.com

konverner / display-project-tree.sh

Created April 20, 2026 10:16

display python project tree without utility files like cache

tree -L 3 -I "__pycache__|*.pyc|*.egg-info|.venv|.git"

konverner / setup-docker-psql.sh

Created April 6, 2026 12:50

Production Server Setup Script (Docker + PostgreSQL Backup)

	#!/bin/bash

	set -euo pipefail
	IFS=$'\n\t'

	###############################################################################
	# Production Server Setup Script (Docker + PostgreSQL Backup)
	#
	# What the script does:
	# 1. Installs Docker Engine and Docker Compose (if not installed)

konverner / setup-docker-psql-ssl.sh

Last active April 6, 2026 12:44

This script prepares a Linux server (Ubuntu) for running web app in production

	#!/bin/bash

	set -euo pipefail
	IFS=$'\n\t'

	###############################################################################
	# Production Server Setup Script
	#
	# This script prepares a Linux server (Ubuntu) for running a production
	# Docker-based web application with HTTPS and automated PostgreSQL backups.

konverner / load-variables-from-dot-env.bash

Last active January 5, 2026 10:04

One-liner that loads values from .env for environment variables

export $(sed -e 's/#.*//g' -e '/^$/d' .env | xargs)

konverner / subprocess_with_timeout.py

Created October 12, 2024 09:33

run the script for N seconds for M arguments

	import subprocess
	import time

	timeout = 40 # Set timeout to 40 seconds

	with open('items.txt', 'r') as file:
	items = file.read().strip().split('\n')

	for item in items:
	item = item.strip() # Clean up any extra whitespace

konverner / extract_json_block.py

Created September 23, 2024 19:42

Extract json content from markdown content

	import json

	def extract_json_from_text(text):
	# Find the first '{' character
	start = text.find('{')
	if start == -1:
	print("No JSON block found in the text.")
	return None

	# Use a stack to track nested braces

konverner / load_env.py

Last active September 20, 2024 21:54

Load environment variables from .env in Python

	# pip install python-dotenv
	import os
	from dotenv import find_dotenv, load_dotenv

	# load variables from .env
	load_dotenv(find_dotenv(usecwd=True))
	MY_VAR = os.getenv("MY_VAR")

konverner / create_keyfile_dict.py

Last active December 22, 2024 09:42

a function allows to generate json key file used by google api from environment variables

	"""
	A function allows to generate json key file used by google api from environment variables. Example of `.env` file:

	```
	TYPE="my_service_account"
	PROJECT_ID="my_project_id"
	PRIVATE_KEY_ID="my_private_key_id"
	PRIVATE_KEY="-----BEGIN PRIVATE KEY-----
	my_private_key_content
	-----END PRIVATE KEY-----

konverner / spans_to_conll.py

Last active February 5, 2024 12:47

convert spans NER annotation to conll BIO format

	import json
	from typing import Any, Dict, List

	import spacy
	from spacy.training.iob_utils import biluo_to_iob, doc_to_biluo_tags
	from tqdm import tqdm


	def spans_to_conll(
	samples: List[Dict[str, Any]],

konverner / fix_ner_spans.py

Created February 1, 2024 00:00

fix corrupted spans in NER annotation

	def fix_span(text: str, span: dict):
	# let us check that spans are correctly extracted

	fixed_span = span.copy()

	# span starts with a space or a punctuation
	while text[fixed_span["start"]] in [" ", ".", ",", ";", ":", "!", "?"]:
	fixed_span["start"] += 1

	# span is cut in the begging: e.g. "ashington DC"