The Devs
@thedevs · Post #1984 · 19.07.2022 г., 06:41
Things you should know about databases. #article#databases @thedevs https://kutt.it/xx2Z3i
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Изворен канал @pythonotes · Post #60 · 31 мар.
Вторая по частоте future-функция, которую я использовал, это абсолютный импорт from __future__ import absolute_import Что она делает? Изменения, которые вносит эта инъекция описаны в PEP328 Покажу простой пример. Допустим, есть такой пакет: /my_package /__init__.py /main.py /string.py Смотрим код в my_package/main.py # main.py import string Простой пример готов) Вопрос в том, какой модуль импортируется в данном случае? Есть два варианта: 1. модуль в моём пакете my_package.string 2. стандартный модуль string И вот тут вступает в дело приоритет импортов. В Python2 порядок следующий: помимо иных источников, раньше ищется модуль внутри текущего пакета, а потом в стандартных библиотеках. Таким образом мы импортнём my_package.string. Но в Python3 это поведение изменилось. Если мы указываем просто имя пакета, то ищется именно такой модуль, игнорируя имена в текущем пакете. Если мы хотим импортнуть именно подмодуль из нашего пакета то, мы должны теперь явно это указывать. from my_package import string или относительный импорт, но с указанием пути относительно текущего модуля main from . import string Еще одной неоднозначностью меньше 😎 Подробней про импорты здесь: https://docs.python.org/3/tutorial/modules.html #2to3#pep#basic
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Repositorio data science
@repo_science · Post #3374 · 30.06.2023 г., 14:57
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@repo_science · Post #3265 · 04.06.2023 г., 22:32
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@repo_science · Post #4219 · 20.10.2024 г., 21:14
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@repo_science · Post #3381 · 03.07.2023 г., 00:51
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@repo_science · Post #3322 · 19.06.2023 г., 22:42
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@repo_science · Post #3402 · 07.07.2023 г., 00:57
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@repo_science · Post #3423 · 11.07.2023 г., 14:22
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@repo_science · Post #3158 · 09.05.2023 г., 20:18
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@githubtrending · Post #14933 · 09.07.2025 г., 12:30
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