How to input a string as argv in python?

Question

I'm debugging a python program named test.py as this:

#!/bin/env python
import sys
print sys.argv[1]

when I enter this command, result is confuse:

[root@yf-mos-test-net09 ~]# python test.py "{"execute": "guest-execute", "session": "4768", "arguments": {"commands": [{"command": "/bin/sh", "arguments": ["sh", "-c", "ping -c 1 8.8.8.8"]}]}}"

result is:

{execute: guest-execute, session: 4768, arguments: {commands: [{command: /bin/sh, arguments: [sh, -c, ping

what I expect should be:

{"execute": "guest-execute", "session": "4768", "arguments": {"commands": [{"command": "/bin/sh", "arguments": ["sh", "-c", "ping -c 1 8.8.8.8"]}]}}

How to fix this? Is there something wrong in my param or something wrong in my program? Thank you~

Alex Garcia · Accepted Answer · 2017-07-26 10:14:15Z

3

It's actually your understanding of the shell that is failing you here :)

What you should do is use different quotes or escape them.

Try this for instance (notice the single quote around the json):

[root@yf-mos-test-net09 ~]# python test.py '{"execute": "guest-execute", "session": "4768", "arguments": {"commands": [{"command": "/bin/sh", "arguments": ["sh", "-c", "ping -c 1 8.8.8.8"]}]}}'

But it will probably depend on what shell you are using.

answered Jul 26, 2017 at 10:14

Alex Garcia

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