Python GeopPoint类型的对象不可JSON序列化
我想创建一个API,该API必须从firestore恢复数据并在json中公开数据,但我面临以下错误:Python GeopPoint类型的对象不可JSON序列化,python,firebase,flask,firebase-realtime-database,flash-message,Python,Firebase,Flask,Firebase Realtime Database,Flash Message,我想创建一个API,该API必须从firestore恢复数据并在json中公开数据,但我面临以下错误: Object of type GeoPoint is not JSON serializable 怎么了?这是我的代码: #!/usr/bin/env python import firebase_admin import json from pprint import pprint as pp from flask import Flask, flash, request, url_for
Object of type GeoPoint is not JSON serializable
怎么了?这是我的代码:
#!/usr/bin/env python
import firebase_admin
import json
from pprint import pprint as pp
from flask import Flask, flash, request, url_for, jsonify, Response
from firebase_admin import credentials
from firebase_admin import firestore
app = Flask(__name__)
cred = credentials.Certificate('xxxx.json')
firebase_admin.initialize_app(cred)
db = firestore.client()
@app.route('/')
def index():
markers_ref = db.collection(u'Test')
docs = markers_ref.get()
data = []
for doc in docs:
data.append(doc.to_dict())
json_data = json.dumps(data)
resp = Response(json_data, status=200, mimetype='application/json')
return resp
if __name__=='__main__':
app.run(debug=True)
下面的方法应该可以奏效-
from flask import (Flask, request, session, g, redirect, url_for, abort, render_template, flash, Response, jsonify)
import firebase_admin
from firebase_admin import firestore
@app.route('/foods/<id>')
def read_food(id):
result=FOODS.document(id).get().to_dict()
record = {}
# Populate the new dict with JSON serializiable values
for key in result:
if isinstance(result[key], firebase_admin.firestore.GeoPoint):
record[key] =str(result[key].latitude)+','+str(result[key].longitude)
continue
record[key] = result[key]
# Add the key so that we have a reference to the record
record['key'] = result[key]
return jsonify(record)
来自flask导入的(flask、请求、会话、g、重定向、url、中止、呈现模板、flash、响应、jsonify)
导入firebase_管理员
从firebase_管理员导入firestore
@应用程序路径(“/foods/”)
def读取食物(id):
结果=FOODS.document(id).get().to_dict()
记录={}
#用JSON可序列化值填充新dict
对于输入结果:
如果isinstance(结果[键],firebase_admin.firestore.GeoPoint):
记录[key]=str(结果[key]。纬度)+','+str(结果[key]。经度)
持续
记录[键]=结果[键]
#添加键以便我们有一个对记录的引用
记录['key']=结果[key]
返回jsonify(记录)
上面说“GeoPoint类型的对象(例如:数据列表)不能作为JSON文本”,所以请尝试从一些文本/字符串数据中获取JSON。也许你还有一步要做?(例如,将地质点类型解析/转换为对象类型)。