How to update to the latest Python version On Linux All In One

How to update to the latest Python version On Linux All In One

update to the latest Python version on Raspberry Pi

errors

old

$ python --version
Python 3.9.2

new

$ sudo apt update

$ apt list | grep python3.10
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
libqgispython3.10.14/oldstable 3.10.14+dfsg-1 arm64
libqgispython3.10.14/oldstable 3.10.14+dfsg-1 armhf

$ sudo apt install python3.10

正在读取软件包列表... 完成
正在分析软件包的依赖关系树... 完成
正在读取状态信息... 完成
E: 无法定位软件包 python3.10
E: 无法按照 glob ‘python3.10’ 找到任何软件包

$ apt list | grep python3.10.
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
libqgispython3.10.14/oldstable 3.10.14+dfsg-1 arm64
libqgispython3.10.14/oldstable 3.10.14+dfsg-1 armhf

$ sudo apt install python3.10.14
正在读取软件包列表... 完成
正在分析软件包的依赖关系树... 完成
正在读取状态信息... 完成
E: 无法定位软件包 python3.10.14
E: 无法按照 glob ‘python3.10.14’ 找到任何软件包

$ python --version

solutions

1. Download for macOS Python 3.11.4

https://www.python.org/ftp/python/3.11.4/python-3.11.4-macos11.pkg

https://www.python.org/downloads/

PEP 619 – Python 3.10 Release Schedule
Release Created:25-May-2020
Python-Version: 3.10

https://peps.python.org/pep-0619/

2. zsh .zshrc

# > 覆盖写入配置文件
# >> 追加写入配置文件
$ echo "alias py=/usr/bin/python3" >> ~/.zshrc
$ echo "alias python=/usr/bin/python3" >> ~/.zshrc

How to use brew install the latest python3 on macOS?

1. .pkg

https://www.python.org/ftp/python/3.11.4/python-3.11.4-macos11.pkg

cd '' && '/usr/local/bin/python3' '' && echo Exit status: $? && exit 1`

➜  bin  cd /usr/bin/ && ls | grep "python"
python3
➜  bin  cd /usr/bin/ && ls | grep "python"
python3
➜  bin python --version                   
zsh: permission denied: /usr/local/lib/python3.11
➜  bin source ~/.zshrc
➜  bin python --version
Python 3.9.6
➜  bin which python    
python: aliased to /usr/bin/python3
➜  bin /usr/local/bin/python3 --version
Python 3.11.4
➜  bin /usr/local/bin/python3 --version
Python 3.11.4
➜  bin /sw/bin/python3 --version 
zsh: no such file or directory: /sw/bin/python3
➜  bin python --version
Python 3.9.6
➜  bin python3 --version
Python 3.9.6
➜  bin 

.zshrc

# Python 3 ✅
# alias python=/usr/bin/python3
# alias py3='python3'

alias python=/usr/local/bin/python3
alias py3='python'

# which python3
# /usr/bin/python3
# which python 
# python: aliased to /usr/local/bin/python3
# source ~/.zshrc ✅

# export PATH="/usr/bin/python3:$PATH"
# export PATH="/usr/bin/:$PATH"
# $ cd /usr/bin/ && ls | grep "python" ✅
# $ cd /usr/bin/ && ls -al | grep "python" ✅

# Python3.11
# alias python=/usr/local/lib/python3.11
# alias py3='python'
# export PATH="/usr/local/lib/python3.11:$PATH"
# source ~/.zshrc ✅

# /usr/local/bin/python3
# /opt/local/bin/python3
# /sw/bin/python3

# /usr/local/bin/python3 --version
# Python 3.11.4
# /usr/local/bin/python3 --version
# Python 3.11.4

# .bash_profile
source ~/.bash_profile

# end zsh
# source ~/.zshrc

Python 3.11.4

$ python --version
Python 3.11.4

$ py3
Python 3.11.4 (v3.11.4:d2340ef257, Jun  6 2023, 19:15:51) [Clang 13.0.0 (clang-1300.0.29.30)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> quit()

2. brew

python@3.y / Python 3.y.z

# ❌
$ brew install python@3.11.4


# ✅ 不好使 ❓
$ brew install python@3.11

https://formulae.brew.sh/formula/python@3.11

https://formulae.brew.sh/formula/python@3.10

https://formulae.brew.sh/formula/python@3.9

https://docs.brew.sh/Homebrew-and-Python#python-3y

https://docs.python-guide.org/starting/install3/osx/

demos

Pyhton 3.10.x

switch...case ❌
match...case ✅

#!/usr/bin/env python3
# coding: utf8

__author__ = 'xgqfrms'
__editor__ = 'vscode'
__version__ = '1.0.1'
__github__ = 'https://github.com/xgqfrms/Raspberry-Pi'
__git__ = 'https://github.com/xgqfrms/Raspberry-Pi.git'
__copyright__ = """
  Copyright (c) 2012-2050, xgqfrms; mailto:xgqfrms@xgqfrms.xyz
"""

"""

/**
 * 
 * @author xgqfrms
 * @license MIT
 * @copyright xgqfrms
 * @created 2020-01-01
 * @updated 2023-07-01
 * 
 * @description 
 * @augments 
 * @example 
 * @link 
 * 
 */

"""

# Match statements require Python `3.10` or newer Pylance ❌

def http_error(status):
  match status:
    case 400:
      return "Bad request"
    case 404:
      return "Not found"
    case 418:
      return "I'm a teapot"
    case _:

      return "Something's wrong with the internet"

def test():
  status = 400
  message = http_error(status)
  print("message =", message)

test()

""" 
$ py3 ./match...case.py

"""

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refs

https://cloudbytes.dev/snippets/upgrade-python-to-latest-version-on-ubuntu-linux

https://hub.tcno.co/pi/software/python-update/

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