Python Firestore Query Documents to Json

Oct 23, 2019
from collections import OrderedDictfrom flask import current_app as appfrom flask import jsonifyfrom firebase_admin import firestore# init firebasefrom import GeoPointfrom google.api_core.datetime_helpers import DatetimeWithNanoseconds# from json import JSONEncoderfrom flask.json import JSONEncoderclass JsonEncoder(JSONEncoder):    def default(self, obj):        #        if isinstance(obj, DatetimeWithNanoseconds):            return obj.rfc3339()        elif isinstance(obj, GeoPoint):            return {                'lat': obj.latitude,                'lon': obj.longitude            }        return JSONEncoder.default(self, obj)def test_firestore_to_json(request):    db = firestore.client()    query = db.collection('COLLECTION_NAME') \        .order_by('created', direction=firestore.Query.DESCENDING) \        .limit(1000)    docs =    #    data = OrderedDict([(, doc.to_dict()) for doc in docs])    # save json to file    '''    with open('tmp/data.json', 'w') as f:        import json        f.write(json.dumps(data, cls=JsonEncoder, indent=2))    '''    app.json_encoder = JsonEncoder    return jsonify(data)

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