How to use the ipfshttpclient.connect function in ipfshttpclient

def is_available():
    """
    Return whether the IPFS daemon is reachable or not
    """
    global __is_available

    if not isinstance(__is_available, bool):
        try:
            ipfshttpclient.connect()
        except ipfshttpclient.exceptions.Error as error:
            __is_available = False

            # Make sure version incompatiblity is displayed to the user
            if isinstance(error, ipfshttpclient.exceptions.VersionMismatch):
                raise
        else:
            __is_available = True

    return __is_available

def test_publish_repo_basic(self, mocker):
        mocker.patch.object(git.Repo, 'clone_from')
        mocker.patch.object(shutil, 'rmtree')

        ipfs_client_mock = mocker.Mock(spec=ipfshttpclient.Client)
        ipfs_client_mock.add.return_value = [{'Hash': 'some-hash'}]

        mocker.patch.object(ipfshttpclient, 'connect')
        ipfshttpclient.connect.return_value = ipfs_client_mock

        repo: publishing.GenericRepo = factories.RepoFactory()
        repo.publish_repo()

        ipfs_client_mock.add.assert_called_once_with(mocker.ANY, recursive=True, pin=True)
        ipfs_client_mock.pin.rm.assert_not_called()
        assert repo.last_ipfs_addr == '/ipfs/some-hash/'

host = os.environ.get(ENV_NAME_IPFS_HOST)
                port = os.environ.get(ENV_NAME_IPFS_PORT)

            # Hack to allow cross-platform Docker to reference the Docker host's machine with $HOST_ADDR
            if host and host.startswith('$'):
                logger.info(f'Resolving host name from environment variable {host}')
                host = os.environ[host[1:]]

            if host == 'localhost':
                host = '127.0.0.1'

            if not multiaddr:
                multiaddr = f'/ip4/{host}/tcp/{port}/http'

            logger.info(f'Connecting and caching to IPFS host \'{multiaddr}\'')
            self._ipfs = ipfshttpclient.connect(multiaddr)

        return self._ipfs

def up():
    try:
        if "file" in request.files:
            file = request.files["file"]
            log.info("file name: {}".format(file.filename), {'app': 'dfile-up-req'})
            if 'IPFS_API_URL' in app.config:
                url = app.config['IPFS_API_URL'] + '/add'
                res = upload(url, file)
            else:
                client = ipfshttpclient.connect(app.config['IPFS_CONNECT_URL'])
                res = client.add(file)
                print("res: {}".format(res))

            log.info("upload res: {}".format(res), {'app': 'dfile-up-res'})
            url = app.config['DOMAIN'] + '/' + str(res['Hash'])
            return url

        abort(400)

    except Exception as e:
        log.exception("Upload Error! exception:{}".format(str(e)))
        return "Upload Error! \n", 503

def ipfs_add_file(self, file_path):
        with ipfshttpclient.connect() as ipfs_client:
            response = ipfs_client.add(file_path)

        return response

def pin_manifest(manifest_written_file : Path = MANIFEST_BUILD_FILE, settings_directory : Path = getcwd()):
    path.append(settings_directory)
    import settings
    ipfs_address = settings.ipfs_settings["address"]

    with ipfshttpclient.connect(ipfs_address) as client:
        pinned_asset = client.add(manifest_written_file, recursive=False)
        print(f"Pinned asset URI is {pinned_asset['Hash']}.")

    return pinned_asset

def create_ipfs_file(data):
    client = ipfshttpclient.connect('/ip4/{0}/tcp/{1}'.format(config['ipfs']['host'], config['ipfs']['port']))
    if not client:
        return bad_request('IPFS server can not be reached')

    dir_id = str(uuid.uuid4())
    file_id = str(uuid.uuid4())
    dir_path = './files/' + dir_id
    os.mkdir(dir_path)
    file_name = file_id + '.txt'
    file_path = dir_path + '/' + file_name

    with open(file_path, 'w') as f:
        f.write(data)

    with client:
        ipfs_data = client.add(file_path)

def client(self):
        if self._client is None:
            url = parse_url(self.base_uri)
            self._client = ipfshttpclient.connect(
                f'/dns/{url.host}/tcp/{url.port}/{url.scheme}', session=True
            )

        return self._client