Small utility to commit a currently assigned Jira issue via git, using *dialog* and the Jira REST API.

commit_issue.py

#! /usr/bin/python
# -*- mode: python -*-
from cStringIO import StringIO
from collections import OrderedDict
import argparse
import requests
import subprocess
import sys
import tempfile

parser = argparse.ArgumentParser(usage="%(prog)s [options] args...")

def main(args):
    issue_key, summary = _get_issue_key_and_summary()
    temp_filename = tempfile.mktemp()
    with open(temp_filename, "w") as temp_file:
        temp_file.write("{0}: {1}".format(issue_key, summary))
    p = subprocess.Popen("git commit -a -e -F {}".format(temp_filename), shell=True)
    return p.wait()

def _get_issue_key_and_summary():
    issues = requests.get("http://your.jira.server.com/rest/api/2/search", auth=(USERNAME, PASSWORD),
                          params={
                              "jql" : 'assignee = currentUser() AND resolution is EMPTY ORDER BY updated DESC',
                          }).json["issues"]
    issues = OrderedDict((issue["key"], issue) for issue in issues)
    if not issues:
        raise ProgramError("No in progress issues")
    if len(issues) > 1:
        issue = _select_issue(issues)
    else:
        [issue] = issues.values()
    return issue["key"], issue["fields"]["summary"]

def _select_issue(issues):
    opts = []
    for issue in issues.values():
        opts.extend((issue["key"], '"{}"'.format(issue["fields"]["summary"])))
    p = subprocess.Popen("dialog --menu \"select issue\" 0 0 0 {}".format(" ".join(opts)), shell=True, stderr=subprocess.PIPE)
    if p.wait() != 0:
        raise ProgramError("Dialog failed: {}".format(p.stderr.read()))
    subprocess.call("clear", shell=True)
    issue_key = p.stderr.read().strip()
    return issues[issue_key]
################################## Boilerplate ################################
class ProgramError(Exception):
    pass

#### For use with entry_points/console_scripts
def main_entry_point():
    args = parser.parse_args()
    try:
        sys.exit(main(args))
    except ProgramError as e:
        sys.exit(str(e))


if __name__ == "__main__":
    main_entry_point()