How to parse json in bash or pass curl output to python script

Question

I'm looking to find some way to have pretty print of curl's output in json. I wrote short python script for this purpose, but it won't work with pipe Also I don't want to use subprocesses and run curl from them:

So python:

#!/usr/bin/python

import simplejson
from pprint import pprint
import sys
print pprint(simplejson.loads(sys.argv[1]))

And json information is:

{"response": {"utilization": {"eic": [{"date": "2012.03.06", "usage": []}, {"date": "2012.03.07", "usage": [{"srvCode": "SVC302", "upload": 267547188, "api-calls": {"fileGetInfo": 30, "getUserStorageQuota": 0, "setUserStorageQuota": 0, "fileUploadFlashInit": 31, "getAPISessionUser": 0, "setFileAccessControl": 0, "fileGetPreviewUrl": 0, "fileStartMultipartUpload": 0, "getServiceQuota": 0, "fileGetPreviewUrlsForBunch": 10, "xcodingGetStreamUrl": 0, "getSessionTimeLimit": 0, "fileGetCoversUrlsForBunch": 27, "makePreviews": 0, "setServiceQuota": 0, "getAPISessionTrusted": 3, "getFileAccessControl": 0, "xcodingGetFormats": 0, "getQuotaNotificationEmail": 0, "fileGetDownloadUrl": 0, "xcodingGetStreamInfo": 0, "fileUploadDone": 30, "getLocalServiceUtilization": 9, "getServiceUtilization": 0, "fileDelete": 19, "setSessionTimeLimit": 0, "fileGetMultipartUploadUrl": 0, "fileUploadInit": 0, "extractFileMetadata": 30, "setQuotaNotificationEmail": 0}, "average-storage": 3801210959.4961309, "download": 0, "transcoding": 0}]}]}}}

kev · Accepted Answer · 2012-03-07 11:31:49Z

7

Using json.tool from the shell to validate and pretty-print:

$ echo '{"json":"obj"}' | python -mjson.tool
{
    "json": "obj"
}

edited Mar 7, 2012 at 11:31

answered Mar 7, 2012 at 11:26

kev

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1 Comment

kurd Over a year ago

Thank you guys. I've tried to find both of these solutions. They both fine.

Community · Accepted Answer · 2017-05-23 12:33:20Z

3

You're trying to read the 1st argument passed to the program, which is wrong.

When using pipes the stream is redirected to the programs stdin. You should read from sys.stdin, see "How do you read from stdin in python".

edited May 23, 2017 at 12:33

CommunityBot

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answered Mar 7, 2012 at 11:29

mkriheli

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