passing arguments to a cURL shell script file

Question

I do not have much experience with shell or python scripts so I am looking for some help on how I can accomplish this.

Goal:

Pass arguments to a shell or python script file that will be used to perform either a cURL Post request or a python post request.

Let's say I go the python route and the filename is api.py

import json,httplib
connection = httplib.HTTPSConnection('api.example.com', 443)
connection.connect()
connection.request('POST', '/message', json.dumps({
       "where": {
         "devicePlatform": "andriod"
       },
       "data": {
         "body": "Test message!",
         "subject": "Test subject"
       }
     }), {
       "X-Application-Id": "XXXXXXXXX",
       "X-API-Key": "XXXXXXXX",
       "Content-Type": "application/json"
     })
result = json.loads(connection.getresponse().read())
print result

How would I go about passing in arguments to for the body and subject values and how would that look via command line?

Thanks

Well, back up for a second: how would you grab command line arguments to a Python script? — user554546
– user554546, Commented Feb 1, 2015 at 2:45

Greg · Accepted Answer · 2015-02-01 02:49:06Z

1

Try using argparse to parse command line arguments

from argparse import ArgumentParser
import json

import httplib

parser = ArgumentParser()
parser.add_argument("-s", "--subject", help="Subject data", required=True)
parser.add_argument("-b", "--body", help="Body data", required=True)
args = parser.parse_args()
connection = httplib.HTTPSConnection('api.example.com', 443)
connection.connect()
connection.request('POST', '/message', json.dumps({
       "where": {
         "devicePlatform": "andriod"
       },
       "data": {
         "body": args.body,
         "subject": args.subject,
       }
...

On the CLI it would look like

python script.py -b "Body" -s "Subject"

answered Feb 1, 2015 at 2:49

Greg

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6 Comments

jimrice Over a year ago

Ok this makes sense. I will give it a shot tomorrow and if I have any other questions I will post another comment here. Thanks for the help.

jimrice Over a year ago

This worked great. How would you approach for a curl script. I am assuming it would look similar to curl script.sh | bash and the arguments here but how would those look in the actual script? I am assuming they are different than the argument parser example above.

Greg Over a year ago

I don't think I understand the question. Are you asking how would you replicate all the functionality of curl in a python script?

jimrice Over a year ago

Here is an example. Most of this request would have constant values like the user and password content type etc. This curl request could be in a .sh file bash script. The subject, description and email values would need to be variables. Is there a way to accomplish what we did with the arguments in a bash script. If not how could I take this example below (from a common api) and accomplish in python. Authentication is Basic Access Authentication and must be base64 encoded prior to be passed as an authorization header (-u [email protected]:test) . Example below

jimrice Over a year ago

curl -u [email protected]:test -H "Content-Type: application/json" -d '{ "helpdesk_ticket": { "description": "Details about the issue...", "subject": "Support Needed...", "email": "[email protected]", "priority": 1, "status": 2 }, "cc_emails": "[email protected],[email protected]" }' -X POST domain.freshdesk.com/helpdesk/tickets.json

|

zormit · Accepted Answer · 2015-02-01 02:47:11Z

0

Use argparse. An example with the subject:

import json,httplib
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('subject', help='string containing the subject')
args = parser.parse_args()

connection = httplib.HTTPSConnection('api.example.com', 443)
connection.connect()
connection.request('POST', '/message', json.dumps({
       "where": {
         "devicePlatform": "andriod"
       },
       "data": {
         "body": "Test message!",
         "subject": args.subject
       }
     }), {
       "X-Application-Id": "XXXXXXXXX",
       "X-API-Key": "XXXXXXXX",
       "Content-Type": "application/json"
     })
result = json.loads(connection.getresponse().read())
print result

answered Feb 1, 2015 at 2:47

zormit

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