Simple Jira Api Class

api_example.py

import requests
import json

class JiraAPI():
    def __init__(self, root, username, password):
        #Initialize Data Variables
        self.root = root
        self.username = username
        self.password = password
        self.credentials = {'username': self.username,
                            'password': self.password}

        #Initialize Url Variables
        self.auth = self.root + '/rest/auth/1/session'
        self.search_jql = self.root + '/rest/api/2/search?jql='
        
        #Initialize Requests Session
        self.JiraSess = requests.Session()
        self.JiraSess.headers.update({'Content-Type': 'application/json',
                                      'Accept': 'application/json'})
        self.JiraSess.headers.update({'Cookie': 'JSESSIONID=' + self.getCookie()})
        
    def getCookie(self):
        resp = self.JiraSess.post(self.auth, data=json.dumps(self.credentials))
        j = json.loads(resp.text)
        token = j['session']['value']
        return token
        
    def getQuery(self, jql):
        query_results = self.JiraSess.get(self.search_jql + jql)
        j = json.loads(query_results.text)['issues']
        return j

    def updateStatus(self, issue, new_status):
        resp = self.JiraSess.get(issue['self']+'/transitions')
        possible_transitions = json.loads(resp.text)['transitions']
        update = {}
        update['update'] = {}
        update['transition']['id'] = ''
        for transition in possible_transitions:
            if new_status in transition['name']:
                update['transition']['id'] = transition['id']
                break
        if update['transition']['id'] == '':
            return 'Transition/Status Invalid for selected issue'
        
        resp = self.JiraSess.post(issue['self']+'/transitions', data=json.dumps(update))
        if resp.status_code == requests.codes.ok:
            return 'Issue successfully updated'
        else:
            return str(json.loads(resp.text)['errorMessages'])
        
jira = JiraAPI('http://jira.pdev.asinetwork.local:8080',
               'USERNAME', 'PASSWORD')
issues = jira.getQuery('project+in+(EIT,+EXCIT,+VELO,+VNE,+VNI)'+
                       '+AND+status+in+(Open,+%22In+Progress%22,'+
                       '+Reopened,+Resolved,+%22On+Hold%22,+Problem)'+
                       '+AND+assignee+in+(amcgee,+mhill)+ORDER+BY+due+ASC,'+
                       '+status+DESC,+assignee+DESC&&fields=key,priority,'+
                       'customfield_10305,summary,customfield_10819,duedate,status,assignee')
result = jira.updateStatus(issues[1], 'Start Progress')
print result