python3 -m venv /srv/python		
		
		

		
root@debian:~# update-alternatives --install /usr/bin/python python /srv/python/bin/python 1
		
		

		
$ docker run --name python --rm -it python
Python 3.10.1 (main, Dec 21 2021, 09:01:08) [GCC 10.2.1 20210110] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>		
		
		

Dockerfile 制作自己的镜像

		
FROM python:latest

MAINTAINER Netkiller <netkiller@msn.com>

RUN pip install pymysql sqlalchemy openpyxl pandas -i https://pypi.tuna.tsinghua.edu.cn/simple
RUN mkdir /data
ADD export.py /srv
VOLUME ["/tmp"]
WORKDIR /data
#EXPOSE 80 443
ENTRYPOINT python3 /srv/export.py
		
		

安装 Python 3.11 适用鱼 Rocky Linux 9.2 和 AlmaLinux 9.2

		
dnf install -y python3.11 python3.11-pip		
		
		

系统默认是 python3.9，将其切换到 python3.11

		

update-alternatives --install /usr/bin/python python /usr/bin/python3.11 1
update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 2
		
		

切换 pip 到 3.11

		
[root@iZwz9cug5b7jbx1dc4nwniZ ~]# mv /usr/bin/pip{,.backup}
[root@iZwz9cug5b7jbx1dc4nwniZ ~]# mv /usr/bin/pip3{,.backup}
[root@iZwz9cug5b7jbx1dc4nwniZ ~]# alternatives --install /usr/bin/pip pip /usr/bin/pip3.11 1
[root@iZwz9cug5b7jbx1dc4nwniZ ~]# alternatives --install /usr/bin/pip3 pip3 /usr/bin/pip3.11 2
[root@iZwz9cug5b7jbx1dc4nwniZ ~]# pip -V
pip 22.3.1 from /usr/lib/python3.11/site-packages/pip (python 3.11)
		
		

检查 python 是否工作正常

		
[root@iZwz9cug5b7jbx1dc4nwniZ srv]# alternatives --list
libnssckbi.so.x86_64  	auto  	/usr/lib64/pkcs11/p11-kit-trust.so
soelim                	auto  	/usr/bin/soelim.groff
cifs-idmap-plugin     	auto  	/usr/lib64/cifs-utils/cifs_idmap_sss.so
iptables              	auto  	/usr/sbin/iptables-nft
ebtables              	auto  	/usr/sbin/ebtables-nft
arptables             	auto  	/usr/sbin/arptables-nft
ld                    	auto  	/usr/bin/ld.bfd
man                   	auto  	/usr/bin/man.man-db
nc                    	auto  	/usr/bin/ncat
man.7.gz              	auto  	/usr/share/man/man7/man.man-pages.7.gz
libwbclient.so.0.15-64	auto  	/usr/lib64/samba/wbclient/libwbclient.so.0.15
python                	auto  	/usr/bin/python3.11

[root@iZwz9cug5b7jbx1dc4nwniZ srv]# alternatives --display python
python - status is auto.
 link currently points to /usr/bin/python3.11
/usr/bin/python3.11 - priority 1
Current `best' version is /usr/bin/python3.11.

[root@iZwz9cug5b7jbx1dc4nwniZ srv]# python
Python 3.11.2 (main, May 24 2023, 00:00:00) [GCC 11.3.1 20221121 (Red Hat 11.3.1-4)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
		
		

			
./configure --prefix=/usr/local/python-3.1.2
make && make install
			
			

$ sudo apt-get install python3
			

python 3.3

$ sudo apt-get install python3.3
			

http://pypy.org/

		
$ apt-cache search pypy | grep pypy
pypy - fast alternative implementation of Python - PyPy interpreter
pypy-dev - header files for PyPy (an alternative Python interpreter)
pypy-doc - developer Documentation for PyPy (an alternative Python interpreter)
pypy-lib - standard library for PyPy (an alternative Python interpreter)
python-pypy.translator.sandbox - sandboxed PyPy interpreter
		
			

		
$ sudo apt-get install pypy
		
			

		
# yum install pypy
		
			

apt-get install eric