hackaugusto

from typing import List, NoReturn


class Uninhabited:
    pass


def never(x: Uninhabited) -> NoReturn:
    raise RuntimeError()

hackaugusto

from typing import Generic, Optional, TypeVar

T = TypeVar("T")


class A:
    pass


class B(Generic[T]):

hackaugusto

<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version="1.1" width="1200" height="1494" onload="init(evt)" viewBox="0 0 1200 1494" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<!-- Flame graph stack visualization. See https://github.com/brendangregg/FlameGraph for latest version, and http://www.brendangregg.com/flamegraphs.html for examples. -->
<!-- NOTES:  -->
<defs >
	<linearGradient id="background" y1="0" y2="1" x1="0" x2="0" >
		<stop stop-color="#eeeeee" offset="5%" />
		<stop stop-color="#eeeeb0" offset="95%" />
	</linearGradient>

hackaugusto

from dataclasses import dataclass, field


@dataclass
class A1:
    a: int


@dataclass
class A2:

hackaugusto

from dataclasses import dataclass, field


@dataclass
class A:
    a: int = field(repr=False)


@dataclass
class B:

hackaugusto

#define _GNU_SOURCE
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <limits.h>

int
main(int argc, char *argv[])

hackaugusto

from typing import TypeVar, Callable, Tuple, overload, Any

T1 = TypeVar('T1')
T2 = TypeVar('T2')
T3 = TypeVar('T3')
R = TypeVar('R')

@overload
def f(c: Callable[[T1], R], A: Tuple[T1]) -> R: ...

hackaugusto

from itertools import count
import gevent
from gevent.event import AsyncResult


def wait_twice(async_result):
    print('wait_twice enter')
    gevent.joinall([async_result, async_result], raise_error=True)
    print('wait_twice exit')

hackaugusto

import collections
import inspect

EMPTY = object()

# Goals:
# - Make it easier to write tests:
#   - Reduce the number of variables a test needs to manage by introducing hidden state
#   - Automate duplicated tasks:
#     - Creating topologies

hackaugusto

from eth_utils import to_canonical_address

from raiden.storage import serialize, sqlite
from raiden.storage.wal import WriteAheadLog
from raiden.transfer import node, views
from raiden.transfer.architecture import StateManager

serializer = serialize.JSONSerializer()