Kevin Tewouda lewoudar

🏠

Working from home

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

lewoudar / green_static_spider.py

Created November 8, 2020 17:22

Example of pyscalpel static spider using the gevent backend

	from datetime import datetime
	from pathlib import Path

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


	def parse(spider: StaticSpider, response: StaticResponse) -> None:
	for quote in response.xpath('//div[@class="quote"]'):
	data = {

lewoudar / green_selenium_spider.py

Created November 8, 2020 21:23

Example of pyscalpel selenium spider using the gevent backend

	from datetime import datetime
	from pathlib import Path

	from scalpel import Configuration, datetime_decoder
	from scalpel.green import SeleniumSpider, SeleniumResponse, read_mp


	def parse(spider: SeleniumSpider, response: SeleniumResponse) -> None:
	for block in response.driver.find_elements_by_xpath('//div[@class="opblock-tag-section"]'):
	block.click()

lewoudar / anyio_dual_server.py

Last active November 20, 2023 19:11

An example of a server supporting tcp and udp with anyio

	import signal

	import anyio


	async def signal_handler(scope):
	with anyio.open_signal_receiver(signal.SIGINT, signal.SIGTERM) as signals:
	async for signum in signals:
	if signum == signal.SIGINT:
	print('Ctrl+C pressed!')

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))

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_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_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_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 / 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 / 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