delete unused versions in jira

delete_unused_versions.py

from jira import JIRA
import secrets
import urllib3
import requests

urllib3.disable_warnings() # deleting warnings about ssl. i'm local and can check before i run this, so i don't care.

# By default, the client will connect to a JIRA instance started from the Atlassian Plugin SDK
# (see https://developer.atlassian.com/display/DOCS/Installing+the+Atlassian+Plugin+SDK for details).
# Override this with the options parameter.
base_url = 'https://jira.yourdomain.com'
options = {
    'server': base_url,
    'verify': False    
    }
jira = JIRA(options, basic_auth=(secrets.username, secrets.password))

projects = jira.projects()

#if you want to limit the keys you delete in. fill this tuple out
projects_i_want = ('PROJ1', 'PROJ2') 
#otherwise get rid of the filter below

for project in filter(lambda p: projects_i_want.__contains__(p.key), projects):
  for version in jira.project_versions(project.id):
      search_result = jira.search_issues(jql_str = f'project = {project.key} AND fixVersion = {version.id}', maxResults=0)
      print(f'proj: {project.key} vers: {version.name} total:{search_result.total}')
      # example delete DELETE https://foobar.atlassian.net/rest/api/2/version/14455
      if search_result.total == 0:
        #didn't have an api helper in the jira lib for this
        delete_result = requests.delete(f'{base_url}/rest/api/2/version/{version.id}', auth=requests.auth.HTTPBasicAuth(secrets.username, secrets.password), verify=False)
        if delete_result.ok:
            print(f'deleted {version.name}')
        else: 
            print(f'failed to delete {version.name}')