将数据从数据库存储到json文件

Question

So I created database, store some data to table and want import it to JSON format to vizualize it with some JS script. But when Im trying to write it to JSON I get

ValueError: No JSON object could be decoded

There is the code:

from PyBambooHR import PyBambooHR
import sqlalchemy
from sqlalchemy import Column, Integer, String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
import json


Base = declarative_base()


class EmployeeData(Base):

    __tablename__ = 'employee_data'
    id = Column(Integer, primary_key=True)
    name = Column(String(120))
    department = Column(String(120))
    jobTitle = Column(String(120))
    email = Column(String(120))

    def __init__(self, name, department, jobTitle, email):
        self.name = name
        self.department = department
        self.jobTitle = jobTitle
        self.email = email


engine = sqlalchemy.create_engine('sqlite:///employee_db.db')

connection = engine.connect()

Base.metadata.create_all(engine)


bamboo = PyBambooHR(subdomain='domain', api_key='apikey')

session_factory = sessionmaker(engine)
session = session_factory()

employees = bamboo.get_employee_directory()
employees_list = [EmployeeData(name=item['displayName'], department=item['department'], jobTitle=item['jobTitle'], email=item['workEmail']) for item in employees]

avoid_duplicates = list(connection.execute('select * from employee_data'))

for i in employees_list:
    if i.name not in [j[1] for j in avoid_duplicates]:
        session.add(i)

session.commit()
session.close()
connection.close()

with open('employee_db.db', 'rb') as input_file:
    content = json.load(input_file)
with open('employee_data.json', 'wb') as output_file:
    json.dump(content,output_file, indent=1)

Answer 1

Well, seems obvious:

with open('employee_db.db', 'rb') as input_file:
    content = json.load(input_file)

Where did you get the baroque idea that an sqlite database would be in json format?

Answer 2

Okay here is the working code if someone need it somehow to work with BambooHR

url = 'request-with-api-key' must looks like ' https:// API_KEY @api.bamboohr.com/api/gateway.php/ SUBDOMAIN /v1/employees/directory '

You can get your API key from BambooHR by clicking on yours photo in the right corner and click API Keys

import sqlalchemy
from sqlalchemy import Column, Integer, String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
import xml.etree.ElementTree as ET
import json, requests


Base = declarative_base()


class EmployeeData(Base):

    __tablename__ = 'employee_data'
    id = Column(Integer, primary_key=True)
    name = Column(String(120))
    department = Column(String(120))
    jobTitle = Column(String(120))
    email = Column(String(120))

    def __init__(self, name, department, jobTitle, email):
        self.name = name
        self.department = department
        self.jobTitle = jobTitle
        self.email = email


engine = sqlalchemy.create_engine('sqlite:///employee_db.db')

connection = engine.connect()

Base.metadata.create_all(engine)


url = 'request-with-api-key'
r = requests.get(url)
root = ET.fromstring(r.text)

employees = []
for emp in root.iter('employee'):
        name_photo = {'name': '', 'department': '', 'jobTitle': '', 'email': ''}
        for data in emp.iter('field'):
            if data.attrib['id'] == 'displayName':
                name_photo['name'] = data.text
            elif data.attrib['id'] == 'department':
                name_photo['department'] = data.text
            elif data.attrib['id'] == 'jobTitle':
                name_photo['jobTitle'] = data.text
            elif data.attrib['id'] == 'workEmail':
                name_photo['email'] = data.text
            else:
                continue
        employees.append(name_photo)

session_factory = sessionmaker(engine)
session = session_factory()

employees_list = [EmployeeData(name=item['name'], department=item['department'], jobTitle=item['jobTitle'], email=item['email']) for item in employees]
avoid_duplicates = list(connection.execute('select * from employee_data'))

for i in employees_list:
    if i.name not in [j[1] for j in avoid_duplicates]:
        session.add(i)

session.commit()

write_list = [{'name': i[1], 'department': i[2], 'jobTitle': i[3], 'email': i[4]} for i in list(connection.execute('select * from employee_data'))]

session.close()
connection.close()

with open('employee_data.json', 'w') as file:
    json.dump(write_list, file)
file.close()