我根据以下教程设置了一个Apache2/WSGI/Flask应用程序:https://amunategui.github.io/idea-to-pitch/#installing-flask。我的工作很有魅力,但是当我调整它并更改python文件以便连接到SQL时,我可以在/var/log/apache2的日志中找到它/错误.log公司名称:
File "/var/www/FlaskApps/FlaskApps.wsgi", line 8, in <module>
from project import app as application
File "/var/www/FlaskApps/FirstApp/project.py", line 2, in <module>
from sqlalchemy import create_engine
ImportError: No module named sqlalchemy
但是,我可以使用python运行从命令行导入sqlalchemy的脚本。我没有虚拟环境等等(我只是从上面的链接中进行了基本安装)。在
所以WSGI可以在第1行导入flask,但不能在第2行导入sqlalchemy。。。你知道怎么解决这个问题吗?谢谢!在
查看文件:
/etc/apache2/可用站点/FirstApp.conf公司
^{pr2}$/var/www/FlaskApps/烧瓶应用程序.wsgi
#! /usr/bin/python
import sys
import logging
logging.basicConfig(stream=sys.stderr)
sys.path.insert(0,"/var/www/FlaskApps/FirstApp/")
# home points to the project.py file
from project import app as application
application.secret_key = "somesecretsessionkey"
/var/www/FlaskApps/FirstApp/项目.py
from flask import Flask, render_template, request, redirect, url_for, flash, jsonify
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from database_setup import Restaurant, Base, MenuItem
engine = create_engine("mysql+mysqldb://root:password@localhost/dbname")
Base.metadata.bind = engine
DBSession = sessionmaker(bind=engine)
session = DBSession()
app = Flask(__name__)
@app.route('/')
def project():
return "This is from Flask!!!"
...
谢谢你的指点@Graham Dumpleton
最后,我设置了WSGIDaemonProcess(请参见:http://flask.pocoo.org/docs/0.12/deploying/mod_wsgi/#configuring-apache)和python虚拟环境,以确保我知道要配置哪个python(请参见:https://askubuntu.com/questions/244641/how-to-set-up-and-use-a-virtual-python-environment-in-ubuntu)。在
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