surenkov

from __future__ import annotations

import gzip
import io
import typing as ty

if ty.TYPE_CHECKING:
    from collections.abc import Iterable, Iterator

DEFAULT_BLOCK_SIZE = 512 * 1024  # 512 KiB

surenkov

vmType: "vz"

arch: "default"

images:
# Try to use release-yyyyMMdd image if available. Note that release-yyyyMMdd will be removed after several months.
- location: "https://cloud-images.ubuntu.com/releases/23.04/release-20230829/ubuntu-23.04-server-cloudimg-arm64.img"
  arch: "aarch64"
  digest: "sha256:5316a0dc05d83b6aad277b338ec67837792d0d695db1b736a59c8117114b8deb"
- location: "https://cloud-images.ubuntu.com/releases/23.04/release-20230829/ubuntu-23.04-server-cloudimg-amd64.img"

surenkov

vmType: "vz"

arch: "default"

images:
# Try to use release-yyyyMMdd image if available. Note that release-yyyyMMdd will be removed after several months.
- location: "https://cloud-images.ubuntu.com/releases/23.10/release-20231011/ubuntu-23.10-server-cloudimg-arm64.img"
  arch: "aarch64"
  digest: "sha256:78d35a2f551d281912ee7e5202660d94d713aa1b5de86a17e261328cc2f093d4"
- location: "https://cloud-images.ubuntu.com/releases/23.10/release-20231011/ubuntu-23.10-server-cloudimg-amd64.img"

surenkov

import functools
import logging
import pickle
import typing as t

from contextlib import contextmanager
from random import random

from django.conf import settings
from celery import Task

surenkov

import contextlib
import enum
import hashlib
import typing as t

from django.apps import apps
from django.db import models, transaction, connection, OperationalError, InternalError

from psycopg2 import sql

surenkov

from collections import deque

field = [...]  # NxM matrix
not_visited = {(x, y) for x in range(N) for y in range(M)}


def test_acceptance(x, y):
    return field[x][y] == 1 and (x, y) in not_visited

surenkov

import functools
import typing as t
from datetime import timedelta

from django.views.decorators.cache import cache_page
from django.views.decorators.vary import vary_on_cookie, vary_on_headers
from django.views.generic import View

__all__ = (
    "CachedView",

surenkov

from enum import EnumMeta, Enum

__all__ = ['ChoiceEnum']


class ChoiceEnumMeta(EnumMeta):
    def __iter__(cls):
        return ((tag.value, tag.name) for tag in super().__iter__())

    @property

surenkov

from typing import Union, Collection

from django.contrib.postgres.search import SearchVector, SearchQuery
from django.db.models.expressions import BaseExpression

from django_filters import rest_framework as filters
from django_filters.constants import EMPTY_VALUES


class FullTextSearchFilter(filters.CharFilter):

surenkov

from operator import methodcaller
from django.utils.functional import cached_property
from typing import Union


class ContextDefaultValue:
    """>>> field = serializers.HiddenField(
       >>>    default=ContextDefaultValue("some_context_attr")
       >>> )"""