如何使Flask默认使用Python 3

Question

我正在尝试在Ubuntu 16服务器(Apache2)上部署Flask项目.在这个项目中,我使用的是Python3库.所以我想将Flask设置为在服务器上使用Python 3.但我真的很难受.这是我在做的事情:

sudo apt-get install apache2
sudo apt-get update
sudo apt-get install libapache2-mod-wsgi-py3 # I think that is how you install wsgi for python3
sudo apt-get install python-flask
sudo apt-get upgrade

我的项目conf: /etc/apache2/sites-available/project.conf

<VirtualHost *:80>
    ServerName 52.25.54.241 #my IP
    ServerAdmin admin@mywebsite.com 
    WSGIScriptAlias / /var/www/FlaskApps/FlaskApps.wsgi
    <Directory /var/www/FlaskApps/project/>
        Order allow,deny
        Allow from all
    </Directory>
    <Directory /var/www/FlaskApps/project/static/>
        Order allow,deny
        Allow from all
    </Directory>
    ErrorLog ${APACHE_LOG_DIR}/error.log
    LogLevel warn
    CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>

最后: /var/www/FlaskApps/FlaskApps.wsgi

#! /usr/bin/python
import sys
import logging
logging.basicConfig(stream=sys.stderr)
sys.path.insert(0,"/var/www/FlaskApps/project/")

# home points to the home.py file
from home import app as application
application.secret_key = "somesecretsessionkey"

注意: 当我像这样安装wsgi时:

sudo apt-get install libapache2-mod-wsgi

它工作,但它使用python2.当我安装wsgi 3.它不起作用,它说没有名为flask的模块.那么如何设置flask以默认使用python3？

我读到了这个问题:让Flask使用Python3(Apache/mod_wsgi), 但它对我没有帮助.我不清楚,因为他们正在使用virtualenv.

Answer 1

将Python 3设置为默认值是我所相信的.

运行which python显示2.7是默认运行ln -sf /usr/bin/python3 /usr/bin/python,使Python 3成为默认运行.这是我在全新安装的Ubuntu上设置Flask时总是采取的步骤.

这是我为自己创建的说明,我在每次全新安装时都会参考