messa

# 05_aiohttp.py

from aiohttp import web
from aiohttp.web_log import AccessLogger
from asyncio import CancelledError
from contextvars import ContextVar
import asyncio
import logging
import secrets

messa

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

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

import asyncio
from contextlib import contextmanager, asynccontextmanager, AsyncExitStack


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

messa

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

messa

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

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

# 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

x = 11
def f():
    x = 22
    print('uvnitr f:', x)
print(x)
f()
print(x)

# Výstup programu:
#

messa

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