[英]Python / Flask / MongoEngine DateTimeField
First of I'm new to python and flask.首先,我是 python 和烧瓶的新手。 I've searched around and tried something things to no avail.我四处寻找并尝试了一些无济于事的事情。 I have a model that has a DateTimeField as one of the members, let's call it "created_at".我有一个将 DateTimeField 作为成员之一的模型,我们称之为“created_at”。 When I go to return the query set as JSON I see this for the field当我返回设置为 JSON 的查询时,我看到了这个字段
...
"created_at": {
"$date": 1412938697488
}
...
Is there anyway to get the output, either through a custom JSON encoder, etc to get it to look like this :无论如何都可以通过自定义JSON编码器等获取输出,使其看起来像这样:
"created_at": "2014-10-10T07:33:04Z",
Any guidance or suggestions would be greatly appreciated.任何指导或建议将不胜感激。
Thanks!谢谢!
Here is an example using flask and flask-mongoengine to get a date as ISO 8601 string这是一个使用flask和flask-mongoengine获取日期为ISO 8601字符串的示例
import datetime
from bson.json_util import dumps
from flask import Flask, Response, request
from flask_mongoengine import MongoEngine
app = Flask(__name__)
db = MongoEngine()
class Movie(db.Document):
name = db.StringField(required=True, unique=True)
casts = db.ListField(db.StringField(), required=True)
genres = db.ListField(db.StringField(), required=True)
created_at = db.DateTimeField(default=datetime.datetime.utcnow)
@app.route('/movies')
def get_movies():
movies = Movie.objects()
movies_list = []
for movie in movies:
movie_dict = movie.to_mongo().to_dict()
movie_dict['created_at'] = movie.created_at.isoformat()
movies_list.append(movie_dict)
movies_josn = dumps(movies_list)
return Response(movies_josn, mimetype="application/json", status=200)
@app.route('/movies', methods=['POST'])
def add_movie():
body = request.get_json()
movie = Movie(**body).save()
id = movie.id
return {'id': str(id)}, 200
if __name__ == '__main__':
app.config['MONGODB_SETTINGS'] = {
'host': 'mongodb://localhost/movie-bag'
}
db.init_app(app)
app.run()
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