code: def initialize_jira():
      global asf_jira
      jira_server = {"server": JIRA_API_BASE}
  
      if not JIRA_IMPORTED:
          print(
              "ERROR finding jira library. Run 'pip3 install jira' to install."
          )
          continue_maybe("Continue without jira?")
      elif JIRA_ACCESS_TOKEN:
          client = jira.client.JIRA(
              jira_server, token_auth=JIRA_ACCESS_TOKEN
          )
          try:
              # Eagerly check if the token is valid to align with the behavior of username/password
              # authn
              client.current_user()
              asf_jira = client
          except Exception as e:
              if (
                  e.__class__.__name__ == "JIRAError"
                  and getattr(e, "status_code", None) == 401
              ):
                  msg = (
                      "ASF JIRA could not authenticate with the invalid or expired token '%s'"
                      % JIRA_ACCESS_TOKEN
                  )
                  fail(msg)
              else:
                  raise e
      elif JIRA_USERNAME and JIRA_PASSWORD:
          print(
              "You can use JIRA_ACCESS_TOKEN instead of JIRA_USERNAME/JIRA_PASSWORD."
          )
          print(
              "Visit https://issues.apache.org/jira/secure/ViewProfile.jspa "
          )
          print(
              "and click 'Personal Access Tokens' menu to manage your own tokens."
          )
          asf_jira = jira.client.JIRA(
              jira_server, basic_auth=(JIRA_USERNAME, JIRA_PASSWORD)
          )
      else:
          print(
              "Neither JIRA_ACCESS_TOKEN nor JIRA_USERNAME/JIRA_PASSWORD are set."
          )
          continue_maybe("Continue without jira?")
  
imports: import json
  import os
  import re
  import subprocess
  import sys
  import traceback
  from urllib.request import urlopen
  from urllib.request import Request
  from urllib.error import HTTPError
label_desc: Use image node_id 17 for calling a global function with example usage: initialize_jira() without return types