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Python 3.7.0 正式发布,官方文档语种新增日韩法

2018-12-24  本文已影响1人  48e0a32026ae

Python 官网于 6 月 27 日发布 v3.7.0 的更新说明。v3.7.0 是最近比较大的更新。此次发布包含了诸多新特性和优化。

官网对新特性和优化的汇总:

新语法特性:

PEP 563, postponed evaluation of type annotations.

向后不兼容的语法更改:

async 和 await 现在是保留关键字

新的库模块:

contextvars: PEP 567 – Context Variables

dataclasses: PEP 557 – Data Classes

importlib.resources

新的 built-in 特性:

PEP 553, 新函数 breakpoint()

Python 数据模型改进:

PEP 562, customization of access to module attributes.(访问模块属性,可以定制了)

PEP 560, core support for typing module and generic types.

the insertion-order preservation nature of dict objects has been declared to be an official part of the Python language spec.

标准库中的重要改进:

The asyncio module has received new features, significant usability and performance improvements. (asyncio 模块已经获得了新功能,显着的可用性和性能改进。)

The time module gained support for functions with nanosecond resolution. (time 模块获得了对纳秒级分辨率功能的支持)

CPython 实现的改进:

Avoiding the use of ASCII as a default text encoding: 取消 ASCII 作为默认文本编码

PEP 538, legacy C locale coercion

PEP 540, forced UTF-8 runtime mode

PEP 552, deterministic .pycs

the new development runtime mode

PEP 565, improved DeprecationWarning handling

C API 改进:

PEP 539, new C API for thread-local storage

文档改进:

Python 官方文档的翻译,新增日文版、法语版和韩语版;

其他详情,请参阅 Python 官网说明:

https://docs.python.org/3.7/whatsnew/3.7.html

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