使用Python在json文件中删除换行符.

问题描述：

我正在从Firebase下载数据，并将其导出到json.在此之后，我尝试将其上传到bigquery中，但是我需要删除新的换行符，以便大查询接受它.

I am in the process of downloading data from firebase, exporting it into a json. After this I am trying to upload it into bigquery but I need to remove the new line feed for big query to accept it.

{   "ConnectionTime": 730669.644775033, 
    "objectId": "eHFvTUNqTR", 
    "CustomName": "Relay Controller", 
    "FirmwareRevision": "FW V1.96", 
    "DeviceID": "F1E4746E-DCEC-495B-AC75-1DFD66527561", 
    "PeripheralType": 9, 
    "updatedAt": "2016-12-13T15:50:41.626Z", 
    "Model": "DF Bluno", 
    "HardwareRevision": "HW V1.7", 
    "Serial": "0123456789", 
    "createdAt": "2016-12-13T15:50:41.626Z", 
    "Manufacturer": "DFRobot"}
{
    "ConnectionTime": 702937.7616419792, 
    "objectId": "uYuT3zgyez", 
    "CustomName": "Relay Controller", 
    "FirmwareRevision": "FW V1.96", 
    "DeviceID": "F1E4746E-DCEC-495B-AC75-1DFD66527561", 
    "PeripheralType": 9, 
    "updatedAt": "2016-12-13T08:08:29.829Z", 
    "Model": "DF Bluno", 
    "HardwareRevision": "HW V1.7", 
    "Serial": "0123456789", 
    "createdAt": "2016-12-13T08:08:29.829Z", 
    "Manufacturer": "DFRobot"}

这是我需要的，但是除了手动操作外，我一无所知.

This is how I need it but can not figure out how to do this besides manually doing it.

{"ConnectionTime": 730669.644775033,"objectId": "eHFvTUNqTR","CustomName": "Relay Controller","FirmwareRevision": "FW V1.96","DeviceID": "F1E4746E-DCEC-495B-AC75-1DFD66527561","PeripheralType": 9,"updatedAt": "2016-12-13T15:50:41.626Z","Model": "DF Bluno","HardwareRevision": "HW V1.7","Serial": "0123456789","createdAt": "2016-12-13T15:50:41.626Z","Manufacturer": "DFRobot"}
{"ConnectionTime": 702937.7616419792, "objectId": "uYuT3zgyez", "CustomName": "Relay Controller", "FirmwareRevision": "FW V1.96", "DeviceID": "F1E4746E-DCEC-495B-AC75-1DFD66527561", "PeripheralType": 9, "updatedAt": "2016-12-13T08:08:29.829Z", "Model": "DF Bluno", "HardwareRevision": "HW V1.7", "Serial": "0123456789", "createdAt": "2016-12-13T08:08:29.829Z", "Manufacturer": "DFRobot"}

我正在使用python加载json，读取它，然后编写一个新的json，但找不到正确的代码.谢谢！

I am using python to load the json, read it and then write a new one but can not figure out the right code. Thank you!

这是我的python代码的大纲

here is the outline for my python code

import json
with open('nospacetest.json', 'r') as f:
  data_json=json.load(f)

#b= the file after code for no line breaks is added

with open('testnoline.json', 'w') as outfile:
  json.dump=(b, outfile)

答

在两行之间阅读时，我认为输入格式可能是单个JSON数组，并且所需的输出是该数组元素的换行符分隔的JSON表示形式.如果是这样，那么可能就足够了:

Reading between the lines, I think the input format might be a single JSON array, and the desired output is newline-separated JSON representations of the elements of that array. If so, this is probably all that's needed:

with open('testnoline.json', 'w') as outfile:
    for obj in data_json:
        outfile.write(json.dumps(obj) + "\n")

使用Python在json文件中删除换行符.

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