Petr Messner messa

Python, Javascript, C++ and other stuff @ leadhub.co

messa / cykly.py

Created April 11, 2019 17:59

Pyladies opakovani 2019-04-11


	def ruzne_ctverce():
	for delka_strany in 2, 5, 7:
	ctverec(delka_strany, symbol='O')

	def ctverec(n, symbol='X'):
	for cislo_radku in range(n):

	for cislo_sloupce in range(n):
	if (

messa / aiohttp_graphql_server_minimal_example.py

Created January 13, 2019 13:24

Aiohttp GraphQL server example

	from aiohttp import web
	from aiohttp_graphql import GraphQLView
	from graphql.execution.executors.asyncio import AsyncioExecutor
	from graphql import (
	graphql,
	GraphQLSchema,
	GraphQLObjectType,
	GraphQLField,
	GraphQLNonNull,
	GraphQLString,

messa / async_context_stack_example.py

Created January 8, 2019 15:51

	import asyncio
	from contextlib import contextmanager, asynccontextmanager, AsyncExitStack


	@contextmanager
	def stuff(name):
	print('Opening', name)
	yield
	print(f'Closing {name}')

messa / gist:5ded8deeef4175ca0b016b4244e2f2df

Created November 21, 2018 17:02

https://docs.google.com/presentation/d/1YUT0WPmqJt1tn4MaqWqVctzslT4wuCNHiaok0Ii665o/edit?usp=sharing

messa / Dockerfile

Last active November 11, 2018 13:14

now.sh v1 Flask demo

	FROM alpine
	RUN apk add py3-flask py3-gunicorn
	COPY hello.py .
	EXPOSE 8000
	CMD ["gunicorn", "--bind", "0.0.0.0:8000", "hello:app"]

messa / yaml_dump.py

Created June 21, 2018 14:42

YAML str representer

	import yaml

	def yaml_dump(obj):
	return yaml.dump(obj, width=120, default_flow_style=False, Dumper=_CustomDumper)

	class _CustomDumper (yaml.SafeDumper):
	pass

	def _str_representer(dumper, data):
	style = '\|' if '\n' in data else None

messa / di_container_example.py

Last active May 30, 2018 11:38

	# my_app/container.py

	from .clients import ShopifyClient
	from .model import Model, connect_db
	from .util import System

	factories = {
	'system': lambda cx: System(), # obsahuje wrapper okolo datetime a tak, pro snadnější mockování v testech
	'model': lambda cx: Model(db=connect_db(cx['conf'].db), system=cx['system']),
	'shopify_client': lambda cx: ShopifyClient(cx['conf'].shopify),

messa / funkce.py

Last active April 5, 2018 21:35

messa / Makefile

Last active November 15, 2017 09:54

Graphviz naučse demo

	importy.png: importy.dot
	dot -Tpng importy.dot > importy.png

messa / aws_logger_demo.py

Last active October 17, 2017 14:00

	#!/usr/bin/env python3

	import boto3
	from datetime import datetime
	import logging
	import socket
	from time import time, sleep


	logger = logging.getLogger(__name__)