Kevin Tewouda lewoudar

🏠

Working from home

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

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 / 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 / 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 / pydantic_func_argument_validation_1.py

Last active March 11, 2022 20:46

An example of use of pydantic decorator validate_arguments

	import math
	from dataclasses import dataclass

	from pydantic import validate_arguments, ValidationError


	@dataclass
	class Point:
	x: int
	y: int

lewoudar / non_pydantic_argument_validation.py

Created March 10, 2022 21:28

An example of function argument validation without using pydantic validate_arguments decorator

	import math
	from typing import Union


	def get_hypotenuse(a: Union[int, float], b: Union[int, float]) -> float:
	if not isinstance(a, (float, int)):
	raise TypeError
	if not isinstance(b, (float, int)):
	raise TypeError

lewoudar / pydantic_func_argument_validation_2.py

Last active March 10, 2022 22:23

A second example of pydantic argument validation using validate_arguments decorator

	import math

	from pydantic import validate_arguments, ValidationError, Field


	@validate_arguments
	def get_hypotenuse(
	a: float = Field(..., gt=0),
	b: float = Field(..., gt=0)
	) -> float:

lewoudar / pydantic_func_argument_validation_3.py

Created March 10, 2022 22:23

A third example of pydantic argument validation using validate_arguments decorator and the Annotated typing feature

	import math

	from pydantic import validate_arguments, ValidationError, Field
	from pydantic.typing import Annotated


	@validate_arguments
	def get_hypotenuse(
	a: Annotated[float, Field(gt=0)],
	b: Annotated[float, Field(gt=0)]

lewoudar / click_params_1.py

Last active March 14, 2022 20:23

Example of click_param list parameter

	import click
	from click_params import StringListParamType


	@click.option(
	'-f', '--flavors',
	prompt=True,
	help='list of flavors for your ice cream',
	type=StringListParamType()
	)

lewoudar / click_params_2.py

Created March 14, 2022 21:09

Another example of click_params list type

	import socket

	import click
	from click_params import DomainListParamType


	@click.option(
	'-d', '--domains',
	prompt=True,
	help='list of domain names separated by a space',

lewoudar / send_periodic_email_with_tweets.py

Created November 20, 2022 18:26

An example of how to schedule periodic emailing in python

	import json
	import os
	import tempfile
	from pathlib import Path

	import emails
	import tweepy
	from apscheduler.schedulers.blocking import BlockingScheduler
	from apscheduler.triggers.cron import CronTrigger