使用PyDBLite的Flask-RESTful API在WSGI中失败

编程问答 2022-06-08

问题描述

摘要：
我为内存数据库使用PyDbLite创建了一个使用Flask-RESTful的超级简单API。当运行'python api.py'时，它工作得很好。但是，当我将其放入apache2 wsgi中时，它开始失败：

getitem 中的文件“ /usr/local/lib/python2.7/dist-packages/pydblite/pydblite.py”，第471行 返回self.records [key] AttributeError：“ _ BasePy2”对象没有属性“ records”

详细信息： 主应用程序：/var/www/api/api.py 

select * from file('/path/to/file.bin','distributed')

/var/www/api/api.wsgi 

from flask import Flask
from flask_restful import Api,Resource
from datetime import datetime,timedelta
from pydblite.pydblite import Base

app = Flask(__name__)
api = Api = Api(app)

DATE_FORMAT = "%m/%d/%Y,%H:%M:%s"
MINUTES_TO_ADD = 0
db = Base("persist",save_to_file=False)
rec_id = 69

def setup_db():
  db.create("latch","id","IsSet","LastSet")
  #db.insert(id=rec_id,IsSet=0,LastSet=datetime.Now())
  rec_id = db.insert(IsSet=0,LastSet=datetime.Now())

class LatchInputOn(Resource):
  def get(self,set):
    #records = db(id=rec_id)
    #record = records[0]
    record = db[rec_id]
    return {"IsSet": record["IsSet"],"LastSet": record["LastSet"].strftime(DATE_FORMAT)}

  def post(self,set):
    #records = db(id=rec_id)
    #record = records[0]
    record = db[rec_id]
    current_time = datetime.Now()
    #if we are unsetting the latch we need to make sure that it has been
    # at least 2 minutes since the last set
    if set == 0:
      if record["IsSet"] == 1:
        #we are trying to unset the latch
        deadline_date = record["LastSet"] + timedelta(minutes = MINUTES_TO_ADD)
        if current_time >= deadline_date:
          db.update(record,IsSet=set,LastSet=current_time)
    else:
      db.update(record,LastSet=current_time)

    return
api.add_resource(LatchInputOn,"/<int:set>")

if __name__ == "__main__":
  setup_db()
  app.run() #for wsgi
  #app.run(host="192.168.0.2",port="5000",debug=True) #for running natively

/etc/apache2/sites-available/000-default.conf 

import sys

sys.path.append("/var/www/api")

from api import app as application

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apiapiflaskflask-restfulpythonwsgi