def __init__()

in releasedocmaker/src/main/python/releasedocmaker/getversions.py [0:0]


    def __init__(self, versions, projects, jira_base_url):
        self.userversions = sorted(versions, key=ReleaseVersion)
        logging.info("Looking for %s through %s", self.userversions[0],
                     self.userversions[-1])

        serverversions = set()
        for project in projects:
            url = f"{jira_base_url}/rest/api/2/project/{project.upper()}/versions"
            try:
                resp = get_jira(url)
            except (urllib.error.HTTPError, urllib.error.URLError,
                    http.client.BadStatusLine):
                sys.exit(1)

            datum = json.loads(resp.read())
            for data in datum:
                serverversions.add(data['name'])

        serverversions = sorted(serverversions, key=ReleaseVersion)

        combolist = serverversions + self.userversions
        comboset = set(combolist)
        combolist = sorted(comboset,  key=ReleaseVersion)

        start_index = combolist.index(self.userversions[0])
        end_index = combolist.index(self.userversions[-1])

        self.versions = []
        for candidate in combolist[start_index:end_index+1]:
            if candidate in serverversions:
                self.versions.append(candidate)
                logging.info('Adding %s to the list', candidate)