我有一个看起来像这样的json文件（为了简化起见，我已经做了很多工作，所以请忽略其中缺少的括号）：
{
"id": "79cb20b0-02be-42c7-9b45-96407c888dc2",
"tenantId": "00000000-0000-0000-0000-000000000000",
"name": "2-stufiges Stirnradgetriebe",
"description": null,
"visibility": "None",
"method": "IDM_CALCULATE_GEAR_COUPLED",
"created": "2018-10-16T10:25:20.874Z",
"createdBy": "00000000-0000-0000-0000-000000000000",
"lastModified": "2018-10-16T10:25:28.226Z",
"lastModifiedBy": "00000000-0000-0000-0000-000000000000",
"client": "STRING_BEARINX_ONLINE",
"project": {
"id": "10c37dcc-0e4e-4c4d-a6d6-12cf65cceaf9",
"name": "proj 2",
"isBookmarked": false
},
"rootObject": {
"id": "6ff0010c-00fe-485b-b695-4ddd6aca4dcd",
"type": "IDO_GEAR",
"children": [
{
"id": "1dd94d1a-e52d-40b3-a82b-6db02a8fbbab",
"type": "IDO_SYSTEM_LOADCASE",
"children": [],
"childList": "SYSTEMLOADCASE",
"properties": [
{
"name": "IDCO_IDENTIFICATION",
"value": "1dd94d1a-e52d-40b3-a82b-6db02a8fbbab"
},
{
"name": "IDCO_DESIGNATION",
"value": "Lastfall 1"
},
{
"name": "IDSLC_TIME_PORTION",
"value": 100
},
{
"name": "IDSLC_DISTANCE_PORTION",
"value": 100
},
{
"name": "IDSLC_OPERATING_TIME_IN_HOURS",
"value": 1
},
{
"name": "IDSLC_OPERATING_TIME_IN_SECONDS",
"value": 3600
},
{
"name": "IDSLC_OPERATING_REVOLUTIONS",
"value": 1
},
{
"name": "IDSLC_OPERATING_DISTANCE",
"value": 1
},
{
"name": "IDSLC_ACCELERATION",
"value": 9.81
},
{
"name": "IDSLC_EPSILON_X",
"value": 0
},
{
"name": "IDSLC_EPSILON_Y",
"value": 0
},
{
"name": "IDSLC_EPSILON_Z",
"value": 0
},
{
"name": "IDSLC_CALCULATION_WITH_OWN_WEIGHT",
"value": "CO_CALCULATION_WITHOUT_OWN_WEIGHT"
},
{
"name": "IDSLC_CALCULATION_WITH_TEMPERATURE",
"value": "CO_CALCULATION_WITH_TEMPERATURE"
},
{
"name": "IDSLC_FLAG_FOR_LOADCASE_CALCULATION",
"value": "LB_CALCULATE_LOADCASE"
},
{
"name": "IDSLC_STATUS_OF_LOADCASE_CALCULATION",
"value": false
}
],
"position": 1,
"order": 1,
"support_vector": {
"x": 0,
"y": 0,
"z": 0
},
"u_axis_vector": {
"x": 1,
"y": 0,
"z": 0
},
"w_axis_vector": {
"x": 0,
"y": 0,
"z": 1
},
"role": "_none_"
},
{
"id": "ab7fbf37-17bb-4e60-a543-634571a0fd73",
"type": "IDO_SHAFT_SYSTEM",
"children": [
{
"id": "7f034e5c-24df-4145-bab8-601f49b43b50",
"type": "IDO_RADIAL_ROLLER_BEARING",
"children": [
{
"id": "0b3e695b-6028-43af-874d-4826ab60dd3f",
"type": "IDO_RADIAL_BEARING_INNER_RING",
"children": [
{
"id": "330aa09d-60fb-40d7-a190-64264b3d44b7",
"type": "IDO_LOADCONTAINER",
"children": [
{
"id": "03036040-fc1a-4e52-8a69-d658e18a8d4a",
"type": "IDO_DISPLACEMENT",
"children": [],
"childList": "DISPLACEMENT",
"properties": [
{
"name": "IDCO_IDENTIFICATION",
"value": "03036040-fc1a-4e52-8a69-d658e18a8d4a"
},
{
"name": "IDCO_DESIGNATION",
"value": "Displacement 1"
}
]
我想向其中添加条目，但问题是我要添加的位置不一致。 id键将更改，例如有时我可能想将条目添加到"id": "ab7fbf37-17bb-4e60-a543-634571a0fd73"，而另一个我可能想将条目添加到"id": "0b3e695b-6028-43af-874d-4826ab60dd3f"。
我所执行的代码循环遍历另一个文件，每次找到ID和属性名称时，它都会存储ID，名称和值。
我当前使用的代码是：
import os
import json
import shutil
import re
import fileinput
#Finds and lists the folders that have been provided
d='.'
folders = list(filter (lambda x: os.path.isdir(os.path.join(d, x)), os.listdir(d)))
print("Folders found: ")
print(folders)
print("\n")
def processModelFolder(inFolder):
#Creating the file names
fileName = os.path.join(d, inFolder, inFolder + ".mdl")
fileNameTwo = os.path.join(d, inFolder, inFolder + ".vg2.json")
fileNameThree = os.path.join(d, inFolder, inFolder + "APPENDED.vg2.json")
#copying the json file so the new copy can be appended
shutil.copyfile(fileNameTwo, fileNameThree)
#assigning IDs and properties to search for in the mdl file
IDs = ["7f034e5c-24df-4145-bab8-601f49b43b50"]
Properties = ["IDSU_FX[0]","IDSU_FY[0]","IDSU_FZ[0]"]
#Basic check to see if IDs and Properties are valid
for i in IDs:
if len(i) != 36:
print("ID may not have been valid and might not return the results you expect, check to ensure the characters are correct: ")
print(i)
print("\n")
if len(IDs) == 0:
print("No IDs were given!")
elif len(Properties) == 0:
print("No Properties were given!")
#Reads code untill an ID is found
else:
with open(fileName , "r") as in_file:
IDCO = None
for n, line in enumerate(in_file, 1):
if line.startswith('IDCO_IDENTIFICATION'):
#Checks if the second part of each line is a ID tag in IDs
if line.split('"')[1] in IDs:
#If ID found it is stored as IDCO
IDCO = line.split('"')[1]
else:
if IDCO:
pass
IDCO = None
#Checks if the first part of each line is a Prop in Propterties
elif IDCO and line.split(' ')[0] in Properties:
print('Found! ID:{} Prop:{} Value: {}'.format(IDCO, line.split('=')[0][:-1], line.split('=')[1][:-1]))
print("\n")
#Stores the property name and value
name = str(line.split(' ')[0])
value = str(line.split(' ')[2])
print(name)
print(value)
#json file editing
with open(fileNameThree , "r+") as json_data:
python_obj = json.load(json_data)
new_element = [{"name": name, "value":value}]
python_obj['"id": "485f5bf4-fb97-415b-8b42-b46e9be080da"']
#foreach in new_elements:
#data['rootObject']['children'][0]['properties'].append(each)
print('Processed {} lines in file {}'.format(n , fileName))
for modelFolder in folders:
processModelFolder(modelFolder)
是否有任何明显的方法可以动态更改放置新条目的位置？我很难过，因为它的缩进级别可能会改变。
**更新代码：
import os
import json
import shutil
import re
import fileinput
#Finds and lists the folders that have been provided
d='.'
folders = list(filter (lambda x: os.path.isdir(os.path.join(d, x)), os.listdir(d)))
print("Folders found: ")
print(folders)
print("\n")
def processModelFolder(inFolder):
#Creating the file names
fileName = os.path.join(d, inFolder, inFolder + ".mdl")
fileNameTwo = os.path.join(d, inFolder, inFolder + ".vg2.json")
fileNameThree = os.path.join(d, inFolder, inFolder + "APPENDED.vg2.json")
#copying the json file so the new copy can be appended
shutil.copyfile(fileNameTwo, fileNameThree)
#assigning IDs and properties to search for in the mdl file
IDs = ["7f034e5c-24df-4145-bab8-601f49b43b50"]
Properties = ["IDSU_FX[0]","IDSU_FY[0]","IDSU_FZ[0]"]
#Basic check to see if IDs and Properties are valid
for i in IDs:
if len(i) != 36:
print("ID may not have been valid and might not return the results you expect, check to ensure the characters are correct: ")
print(i)
print("\n")
if len(IDs) == 0:
print("No IDs were given!")
elif len(Properties) == 0:
print("No Properties were given!")
#Reads code untill an ID is found
else:
with open(fileName , "r") as in_file:
IDCO = None
for n, line in enumerate(in_file, 1):
if line.startswith('IDCO_IDENTIFICATION'):
#Checks if the second part of each line is a ID tag in IDs
if line.split('"')[1] in IDs:
#If ID found it is stored as IDCO
IDCO = line.split('"')[1]
else:
if IDCO:
pass
IDCO = None
#Checks if the first part of each line is a Prop in Propterties
elif IDCO and line.split(' ')[0] in Properties:
print('Found! ID:{} Prop:{} Value: {}'.format(IDCO, line.split('=')[0][:-1], line.split('=')[1][:-1]))
print("\n")
#Stores the property name and value
name = str(line.split(' ')[0])
value = str(line.split(' ')[2])
key = os.path.join('"id": "'+IDCO+'"')
print(key)
print(name)
print(value)
#json file editing
with open(fileNameThree , "r+") as json_data:
python_obj = json.load(json_data)
new_element = [{"name": name, "value":value}]
print("NEW ELEMENT:")
print(new_element)
for each in new_element:
children = {x['id']: x for x in python_obj['rootObject']['children']}
children[IDs]['properties'].append(each)
python_obj['rootObject']['children'] = [x for _, x in children.items()]
with open(fileNameThree , "w") as json_data:
json.dump(python_obj, json_data, indent = 3)
print('Processed {} lines in file {}'.format(n , fileName))
for modelFolder in folders:
processModelFolder(modelFolder)
答案 0 :(得分：0)
您可以将'children'列表转换成字典。
children = {x['id']: x for x in data['rootObject']['children']}
或者如果您的订单很重要：
od = OrderedDict()
for child in children:
od[child['id']] = child
然后基于id进行插入
children[<<id here>>]['properties'].append(each)
然后将字典转换回列表
data['rootObject']['children'] = [x for _, x in children.items()]