[英]Sort keys in a dictionary Python
我有一個像這樣的Json文件:
{
"wasGeneratedBy": {
"_:wGB3": {
"prov:entity": "ivo://stsci/DSS-digitized-J.444",
"prov:activity": "stcsiNum-1b"
},
"_:wGB1": {
"prov:entity": "ivo://stsci/DSS-digitized-J.444-cutouts",
"prov:activity": "cds_cutout444"
},
"_:wGB2": {
"prov:entity": "ivo://stsci/DSS-digitized-I.444",
"prov:activity": "stcsiNum-1a"
}
},
"activity": {
"stcsiNum-1a": {},
},
"used": {
"_:u6": {
"prov:entity": "ivo://stsci/DSS-Plate-R.444",
"prov:activity": "stcsiNum-1c"
},
"_:u2": {
"prov:entity": "ivo://stsci/DSS-Plate-I.444",
"prov:activity": "stcsiNum-1a"
},
"_:u3": {
"prov:entity": "ivo://stsci/DSS-digitized-J.444",
"prov:activity": "cds_cutout444"
},
"entity": {
"ivo://stsci/DSS-digitized-R.444": {},
"ivo://stsci/DSS-digitized-J.444-cutouts": {},
"ivo://stsci/DSS-Plate-R.444": {},
}
}
但是我想按這樣的特定順序(“活動”,“實體”,“已使用”,“ wasGeneratedBy”)對所有鍵(“ wasGenereratedBy”,“活動” ...)進行排序
我已經聲明了這一點:
my_own_order = ['entity', 'used', 'activity','wasGeneratedBy']
我已經嘗試過了,但是沒有用:
print sorted(fileName,order=my_own_order)
有什么建議么 ? 謝謝
使用OrderedDict
:
from collections import OrderedDict
print OrderedDict((k,mydict[k] for k in my_own_order))
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