From de698f89d1d90377f6758c321b7b38d65e9bd853 Mon Sep 17 00:00:00 2001 From: DarkSun Date: Thu, 24 Jun 2021 05:03:10 +0800 Subject: [PATCH] =?UTF-8?q?=E9=80=89=E9=A2=98[tech]:=2020210623=20Python?= =?UTF-8?q?=203.10=20beta=20in=20Fedora=20Linux?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit sources/tech/20210623 Python 3.10 beta in Fedora Linux.md --- ...210623 Python 3.10 beta in Fedora Linux.md | 115 ++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 sources/tech/20210623 Python 3.10 beta in Fedora Linux.md diff --git a/sources/tech/20210623 Python 3.10 beta in Fedora Linux.md b/sources/tech/20210623 Python 3.10 beta in Fedora Linux.md new file mode 100644 index 0000000000..3cdae5cbc8 --- /dev/null +++ b/sources/tech/20210623 Python 3.10 beta in Fedora Linux.md @@ -0,0 +1,115 @@ +[#]: subject: (Python 3.10 beta in Fedora Linux) +[#]: via: (https://fedoramagazine.org/python-3-10-beta-in-fedora-linux/) +[#]: author: (Miro Hrončok https://fedoramagazine.org/author/churchyard/) +[#]: collector: (lujun9972) +[#]: translator: ( ) +[#]: reviewer: ( ) +[#]: publisher: ( ) +[#]: url: ( ) + +Python 3.10 beta in Fedora Linux +====== + +![][1] + +The Python developers have already released three beta versions of Python 3.10.0. You can try the latest one in Fedora Linux today! Test your Python code with 3.10 early to be ready for the final 3.10.0 release in October. + +### Install Python 3.10 on Fedora Linux + +If you run Fedora Linux, you can install Python 3.10 from the official software repository with _dnf_: + +``` +$ sudo dnf install python3.10 +``` + +You might need to enable the _updates-testing_ repository to get the very latest pre-release: + +``` +$ sudo dnf install --enablerepo=updates-testing python3.10 +``` + +As more betas and release candidates [will be released][2], the Fedora package will receive updates. No need to compile your own development version of Python, just install it and have it up to date. The Python developers will add no new features starting with the first beta; you can already enjoy all the new things. + +### Test your projects with Python 3.10 + +Run the _python3.10_ command to use Python 3.10 or create virtual environments with the [builtin _venv_ module, tox][3] or with [pipenv][4] and [poetry][5]. Here’s an example using _tox_: + +``` +$ git clone https://github.com/benjaminp/six.git +Cloning into 'six'... +$ cd six/ +$ tox -e py310 +py310 run-test: commands[0] | python -m pytest -rfsxX +================== test session starts =================== +platform linux -- Python 3.10.0b3, pytest-6.2.4, py-1.10.0, pluggy-0.13.1 +collected 200 items + +test_six.py ...................................... [ 19%] +.................................................. [ 44%] +.................................................. [ 69%] +.................................................. [ 94%] +............ [100%] + +================== 200 passed in 0.43s =================== +________________________ summary _________________________ + py310: commands succeeded + congratulations :) +``` + +If you find a problem with Python 3.10 on Fedora Linux, please do [file bug reports at Fedora’s bugzilla][6] or in the [Python’s issue tracker][7]. If you aren’t sure if it is a problem in Python, you can [contact the Fedora’s Python maintainers][8] directly via email or IRC. + +### What’s new in Python 3.10 + +See the [full list of news in Python 3.10][9]. You can, for example, try out [structural pattern matching][10]: + +``` +$ python3.10 +Python 3.10.0b3 (default, Jun 17 2021, 00:00:00) +[GCC 10.3.1 20210422 (Red Hat 10.3.1-1)] on linux +Type "help", "copyright", "credits" or "license" for more information. +>>> point = (3, 10) +>>> match point: +... case (0, 0): +... print("Origin") +... case (0, y): +... print(f"Y={y}") +... case (x, 0): +... print(f"X={x}") +... case (x, y): +... print(f"X={x}, Y={y}") +... case _: +... raise ValueError("Not a point") +... +X=3, Y=10 +>>> x +3 +>>> y +10 +``` + +And stay tuned for [Python 3.10 as _python3_ in Fedora Linux 35][11]! + +-------------------------------------------------------------------------------- + +via: https://fedoramagazine.org/python-3-10-beta-in-fedora-linux/ + +作者:[Miro Hrončok][a] +选题:[lujun9972][b] +译者:[译者ID](https://github.com/译者ID) +校对:[校对者ID](https://github.com/校对者ID) + +本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出 + +[a]: https://fedoramagazine.org/author/churchyard/ +[b]: https://github.com/lujun9972 +[1]: https://fedoramagazine.org/wp-content/uploads/2021/06/python310-beta-816x345.jpg +[2]: https://www.python.org/dev/peps/pep-0619/ +[3]: https://developer.fedoraproject.org/tech/languages/python/multiple-pythons.html +[4]: https://fedoramagazine.org/install-pipenv-fedora/ +[5]: https://python-poetry.org/ +[6]: https://bugzilla.redhat.com/buglist.cgi?component=python3.10&product=Fedora +[7]: https://bugs.python.org/ +[8]: https://fedoraproject.org/wiki/SIGs/Python#Communicate +[9]: https://docs.python.org/3.10/whatsnew/3.10.html +[10]: https://www.python.org/dev/peps/pep-0634/ +[11]: https://fedoraproject.org/wiki/Changes/Python3.10