How can i Install python 3.7 on MX-19

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#1 Post by **raymccoy** » Thu Dec 19, 2019 4:31 am

How can i install python 3.7 on MXlinux 19?
And how can i then install pip like this
pip install -r requirements.txt

#2 Post by **JayM** » Thu Dec 19, 2019 4:47 am

raymccoy wrote: Thu Dec 19, 2019 4:31 am How can i install python 3.7 on MXlinux 19?

You can't unless you want to break your operating system. Many things in MX depend on Python at its current version. MX is based on Debian Stable which is called that for a reason. Python 3.7.6 was only released yesterday which is hardly a well-tested, known-stable version. If you need the latest releases of things a distro based on Debian Unstable, or Sid, might be better for you.

And how can i then install pip like this
pip install -r requirements.txt

God only knows. What is pip?

#3 Post by **asqwerth** » Thu Dec 19, 2019 5:30 am

pip is a program that helps install other python programs, I think.

I recall reading warnings on Manjaro forums against using pip in general to install python packages there; users there are advised usually to install via pacman or Manjaro's graphical installer, or using appropriate AUR helpers for any python programs in AUR.

Not sure if the position is the same in Debian-land.

#4 Post by **chrispop99** » Thu Dec 19, 2019 5:33 am

Is there some special reason why you need (rather than want) that newer version?

Chris

#5 Post by **baldyeti** » Thu Dec 19, 2019 5:47 am

python 3.7 seems to be available for MX19/buster
I think it is installed by default, but i am not in front of my MX box right now (you should have both "python" and "python3")
Otherwise just "sudo apt-get install python3" should do, then "sudo apt-get install python3-pip"
I _think_ you may then have to refer to "pip3" as "pip" will correspond to the python2 version.
Of course you can also just use the MX package installer instead of apt-get.
You may also want to install "python3-venv" (often used in conjunction with pip)

#6 Post by **JayM** » Thu Dec 19, 2019 5:53 am

Baldyeti, I bow to you! I was searching MXPI for "python", not "python3" and when I do I see that python3 3.7.3-1 is already installed!

#7 Post by **baldyeti** » Thu Dec 19, 2019 6:00 am

Hopefully the next major release of debian ("bullseye") should only have python3 as python2 will be unsupported by then, but buster still needs and defaults to v2.
Perhaps even some XFCE 4.14 add-ons still depend on python2, and maybe IIRC also the MX update tool.

#8 Post by **Buck Fankers** » Thu Dec 19, 2019 6:46 am

raymccoy wrote: Thu Dec 19, 2019 4:31 am How can i install python 3.7 on MXlinux 19?
And how can i then install pip like this
pip install -r requirements.txt

As already answered, python 3.7 is already installed on MX19. You need to type python3 in the terminal. Then pip will also work. With command you posted:

Code: Select all

pip install -r requirements.txt

you actually use pip to install other libraries, that project needs to get it working.

But a little caution. You are now installing libraries to your main (system) python. OK for first beginner projects, but all around better solution is, if you use different python, that is separated from your main, system python. Bellow is the link I used, to install mini conda, every step is explained, it is easy to do. Then, when done, you can then create new virtual environment and have your projects contained withing it. Say next year, you will for some project need python 3.8. Your main, python will still be 3.7 but inside mini-conda you will be able to use 3.8 version, with never libraries without risking to break the system. Here is the link:

https://www.dunderdata.com/blog/anacond ... onda-forge

#9 Post by **Stevo** » Thu Dec 19, 2019 4:21 pm

The simple answer to the original question is that python3 3.7.3 is already installed by default.

MX Updater is already using just python3 and its qt5 bindings.

#10 Post by **say_hello** » Fri Mar 20, 2020 12:00 pm

hello dear Stevo, hi Buck and baldyeti, JayM, chrispop99, asqwerth, raymccoy - dear Pythonists - dear experts here on MX-Linux,

i am on MX-linux which is great. I have set up a new machine with the version 19.1.

btw and on a sidenote: i have set up ATOM - i tried out to install VSCode (Codium) which failed. But i will go and stick to Atom and PyCharm untill some of the core-devs take care and add VSCode to the repos.

BTW; what about adding new Packages to Python - what about addding BeautifulSoup 4 (BS4) to Python!?

do i do this via pip install on the commandline!?

love to hear from you

regards
yours say

ps - regarding the VSCode in the repo: but there is no vscode (or even Codium) in the repos of MX-Linux.
This is a question regarding the setup of a development-environment on a MX-Linux Machine,
unfortunatly there is no VSCode in the repos - so i need some alternatives:
cf: viewtopic.php?f=55&t=55936&p=565840#p565840

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