Unable to pass variable to python script

Question

I have following code which creates subtask in JIRA

inf = open('/var/lib/rundeck/output.txt')
for line in inf:
                print line
                headers = {'Content-Type': 'application/json',}
                data = '{"fields":{"project":{"key":"TECH"},"parent":{"key":line},"summary":"Create AD List ","description":"","issuetype":{"name":"Sub-task"},"customfield_10107":{"id":"10400"}}}'
                response = requests.post('https://jira.company.com/rest/api/latest/issue/', headers=headers, data=data, auth=('user', 'pass'))

inf.close()

i have a file (output.txt), python for every line found (TECH-XXX) printss all lines, it should trigger script above.

when i hard-code key "key":"TECH-1147" instead of "key":line script generates subtask, but when substituting variable (line), nothing happens

Ouptut.txt:

TECH-1234
TECH-1345
.........

i convereted this code:

curl -D- -u: user:Pass -X POST --data "{\"fields\":{\"project\":{\"key\":\"TECH\"},\"parent\":{\"key\":\"$project\"},\"summary\":\"Create AD List of all Active Users\",\"description\":\"some description\",\"issuetype\":{\"name\":\"Sub-task\"},\"customfield_10107\":{\"id\":\"10400\"}}}" -H "Content-Type:application/json" https://company.com/rest/api/latest/issue/

using this https://curl.trillworks.com/

tried also {"key":'"' + line + '"'}

and getting {u'errorMessages': [u'The issue no longer exists.'], u'errors': {}}

Issue is TECH-1247 (variable) which definitely exists

you are treating line as part of the string, not as a variable — Corey Goldberg
– Corey Goldberg, Commented Apr 2, 2018 at 17:11
okay i tried data = "%s" % line and put it "key":data but the same, when hard-code it it works — Milister
– Milister, Commented Apr 2, 2018 at 17:31
After making the string formatting update, have you tried printing response.json() (or json.dumps(resp_json)) to see what the response looks like? Maybe it will show an error. — Daniel Haley
– Daniel Haley, Commented Apr 2, 2018 at 17:47

Daniel Haley · Accepted Answer · 2018-04-02 18:16:55Z

3

Maybe try using rstrip() to trip any trailing whitespace/newlines and json.dumps() so the data isn't passed as form-encoded...

import requests
import json

with open("output.txt", "rb") as infile:
    for line in infile:
        headers = {"Content-Type": "application/json"}
        data = {"fields": {
                "project": {"key": "TECH"},
                "parent": {"key": line.rstrip()},
                "summary": "Create AD List ",
                "description": "",
                "issuetype": {"name": "Sub-task"},
                "customfield_10107": {"id": "10400"}
                }}

        response = requests.post("https://jira.company.com/rest/api/latest/issue/",
                                 headers=headers,
                                 data=json.dumps(data),
                                 auth=("user", "pass"))

Like another answer said, if you use json param instead of the data param, the dict will automatically be encoded for you and the Content-Type set to application/json.

See here for more information.

edited Apr 2, 2018 at 18:16

answered Apr 2, 2018 at 18:08

Daniel Haley

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1 Comment

Dunes Over a year ago

This is the correct answer, because python does not strip the trailing newline from lines. That is, the key is meant to "TECH-X" and not "TECH-X\n".

Michael Mior · Accepted Answer · 2018-04-02 15:03:22Z

1

line is not interpreted as a variable. It's just a string. One solution is to use the % operator for string formatting:

inf = open('/var/lib/rundeck/output.txt')
for line in inf:
    print line
    headers = {'Content-Type': 'application/json',}
    data = '{"fields":{"project":{"key":"TECH"},"parent":{"key":%s},"summary":"Create AD List ","description":"","issuetype":{"name":"Sub-task"},"customfield_10107":{"id":"10400"}}}' % line
    response = requests.post('https://jira.corp.hentsu.com/rest/api/latest/issue/', headers=headers, data=data, auth=('user', 'pass'))

inf.close()

Note that line was replaced with %s and then % line was added to the end. This will replace the %s with the value of the variable line.

answered Apr 2, 2018 at 15:03

Michael Mior

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6 Comments

Milister Over a year ago

doesn't work, it prints line but not passing to curl

Michael Mior Over a year ago

What do you mean by "doesn't work"? Also, I don't see where you're using cURL anywhere. You may want to print the value of data to make sure it's correct.

Milister Over a year ago

i mean, subtask is not created, it's CURL command just converted to works with python, it prints TECH-1147 (which is parameter for above command)

Michael Mior Over a year ago

data should not print TECH-1147 since it contains a string of JSON...Also, I'm not sure what you mean by "subtask." I'm assuming requests is the Python requests library in which case, requests.post is just an ordinary Python function.

Milister Over a year ago

it prints because i put print line i just updated question-it's bash conmmand converted to work under python

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