Kevin Tewouda lewoudar

🏠

Working from home

Passionate about python programming and more specifically what affects the web and computer networks. Structured concurrency enthusiast

lewoudar / non_pydantic_validation_example.py

Last active March 11, 2022 20:41

An example of argument validation without using pydantic

	import math
	from dataclasses import dataclass


	@dataclass
	class Point:
	x: int
	y: int

lewoudar / ormar_json_querying.py

Last active November 11, 2021 11:20

A workaround to query ormar json field using sqlalchemy and databases

	# this example is inspired by django docs: https://docs.djangoproject.com/en/3.2/topics/db/queries/#querying-jsonfield
	from typing import Optional

	import anyio
	import databases
	import ormar
	import sqlalchemy

	DATABASE_URL = 'sqlite:///db.sqlite'
	database = databases.Database(DATABASE_URL)

lewoudar / anyio_static_spider.py

Last active May 18, 2021 19:32

Example of pyscalpel static spider using the anyio backend. This helps to support both asyncio and trio frameworks

	"""Simple example to show how to use the anyio StaticSpider class"""
	from datetime import datetime
	from pathlib import Path

	import anyio

	from scalpel import Configuration
	from scalpel.any_io import StaticResponse, StaticSpider, read_mp

lewoudar / send_kifurushi_packet.py

Created March 11, 2021 21:07

An example showing how to manipulate a kifurushi packet

	import socket
	import enum
	from kifurushi import Packet, ShortField, ByteField, IntEnumField

	HOST = 'disney-stuff.com'
	PORT = 14006


	class Mood(enum.Enum):
	happy = 1

lewoudar / disney_packet.py

Created March 11, 2021 20:52

Basic example usage of kifurushi

	import enum
	from kifurushi import Packet, ShortField, ByteField, IntEnumField


	class Mood(enum.Enum):
	happy = 1
	cool = 2
	angry = 4

lewoudar / click_img_downloader.py

Last active December 4, 2020 07:55

Implementation of a click CLI capable of downloading multiple images concurrently

	from pathlib import Path
	from typing import List

	import anyio
	import click
	import httpx
	from rich.console import Console
	from rich.progress import Progress, TaskID

lewoudar / click_ptr.py

Created December 1, 2020 07:02

An implementation of a cli returning the ptr name of an ip address

	import ipaddress
	import click


	class IPParamType(click.ParamType):
	name = 'ip address'

	def convert(self, value, param, ctx):
	try:
	return ipaddress.ip_address(value)

lewoudar / click_less.py

Created November 30, 2020 19:14

Example of less command implemented with click

	import click


	@click.command()
	@click.argument('file', type=click.File())
	def cli(file):
	"""Read file part by part"""
	click.echo_via_pager(file.read())

lewoudar / click_test_pycat.py

Created November 30, 2020 18:02

An example of how to test a cli application with click

	from click.testing import CliRunner

	from scripts.pycat import cli


	def test_pycat(tmp_path):
	hello_file = tmp_path / 'hello.txt'
	hello_file.write_text('hello world!')
	runner = CliRunner()
	result = runner.invoke(cli, [f'{hello_file.resolve()}'])

lewoudar / click_wc.py

Last active November 29, 2020 23:26

Example of wc command implemented with click

	import re
	import click


	@click.command()
	@click.option('-m', 'chars', is_flag=True, help='number of characters')
	@click.option('-l', 'lines', is_flag=True, help='number of lines')
	@click.option('-c', 'byte', is_flag=True, help='number of bytes')
	@click.option('-w', 'words', is_flag=True, help='number of words')
	@click.argument('filename', type=click.Path(exists=True, dir_okay=False))