rrader

Default aiohttp static handler doesn't support any modification on the fly.

This handler helps to serve static files from directory ./static as is and convert JSX for ReactJS if needed.

import asyncio
import logging
from aiohttp import web
import os

rrader

engine = DjangoTemplates(
        {
            'NAME': 'mail',
            'APP_DIRS': False,
            'DIRS': [],
            'OPTIONS': {
                'loaders': [
                    'events.loaders.MyLoader',
                ],
            },

rrader

from rx import Observable, AnonymousObservable
from rx.concurrency import current_thread_scheduler
from rx.internal import extensionclassmethod


@extensionclassmethod(Observable)
def from_iterable_with_interval(cls, period, iterable, scheduler=None):
    """Creates an Observable that polls iterator made from iterable every period millis."""
    iterator = iter(iterable)
    return Observable.interval(period, scheduler=scheduler).map(lambda v: next(iterator))

rrader

# coding: utf8
def dijkstra_shortest_path(graph, start, paths={}, visited=[]):
    if len(paths) == 0:
        paths[start] = {'dist': 0, 'parent': None} # инициализация начального пути
    # print "start V: %d, " % (start)
    for x in graph[start]:
        if (x not in visited and x != start):
            if (x not in paths.keys() or (graph[start][x] + paths[start]['dist']) < paths[x]['dist']):
                paths.setdefault(x, {'dist': 0, 'parent': None})
                paths[x]['dist'] = graph[start][x] + paths[start]['dist']

rrader

import psutil
import requests


def open_files():
    proc = psutil.Process()
    return proc.open_files()


print 'on start:', open_files()

rrader

# https://stackoverflow.com/questions/36384353/generate-pixel-matrices-from-characters-in-string
# FONT: https://fontstruct.com/fontstructions/show/1404190/cg-pixel-4x5-1

from PIL import Image
from PIL import ImageFont
from PIL import ImageDraw
import numpy as np

def char_to_pixels(text, path, fontsize):
    font = ImageFont.truetype(path, fontsize)