How to use the dvc.repo.Repo function in dvc

def setUp(self):
        super(TestGCMultipleDvcRepos, self).setUp()
        self.additional_path = TestDir.mkdtemp()
        self.additional_git = Repo.init(self.additional_path)
        self.additional_dvc = DvcRepo.init(self.additional_path)

        cache_path = os.path.join(self._root_dir, ".dvc", "cache")
        config_path = os.path.join(
            self.additional_path, ".dvc", "config.local"
        )
        cfg = configobj.ConfigObj()
        cfg.filename = config_path
        cfg["cache"] = {"dir": cache_path}
        cfg.write()

        self.additional_dvc = DvcRepo(self.additional_path)

def test_api(self):
        DvcRepo.init()

        self._test_init()

def test_get_file(repo_dir):
    src = repo_dir.FOO
    dst = repo_dir.FOO + "_imported"

    Repo.get_url(src, dst)

    assert os.path.exists(dst)
    assert os.path.isfile(dst)
    assert filecmp.cmp(repo_dir.FOO, dst, shallow=False)

self.assertEqual(ret, 0)
        ret = main(["remote", "modify", "myrepo", "type", self.cache_type])
        self.assertEqual(ret, 0)

        remote_name = "myremote"
        remote_key = str(uuid.uuid4())
        remote = (
            self.scheme + self.scheme_sep + self.bucket + self.sep + remote_key
        )

        ret = main(["remote", "add", remote_name, remote])
        self.assertEqual(ret, 0)
        ret = main(["remote", "modify", remote_name, "type", self.cache_type])
        self.assertEqual(ret, 0)

        self.dvc = DvcRepo(".")

        foo_key = remote_key + self.sep + self.FOO
        bar_key = remote_key + self.sep + self.BAR

        foo_path = (
            self.scheme + self.scheme_sep + self.bucket + self.sep + foo_key
        )
        bar_path = (
            self.scheme + self.scheme_sep + self.bucket + self.sep + bar_key
        )

        # Using both plain and remote notation
        out_foo_path = "remote://" + remote_name + "/" + self.FOO
        out_bar_path = bar_path

        self.write(self.bucket, foo_key, self.FOO_CONTENTS)

def stages():
        return [str(stage.relpath) for stage in Repo(tmp_dir).stages]

def test_external_repo_import_without_remote(erepo, dvc_repo):
    src = erepo.CODE
    dst = dvc_repo.root_dir

    Repo.get(erepo.root_dir, src, dst)
    assert os.path.exists(dst + "/" + erepo.CODE)

# Create a new clone
        _clone_repo(url, new_path)

        # Save clean clone dir so that we will have access to a default branch
        clean_clone_path = tempfile.mkdtemp("dvc-erepo")
        copy_tree(new_path, clean_clone_path)
        REPO_CACHE[url, None, None] = clean_clone_path

    # Adjust new clone/copy to fit rev and cache_dir

    # Checkout needs to be done first because current branch might not be
    # DVC repository
    if rev is not None:
        _git_checkout(new_path, rev)

    repo = Repo(new_path)
    try:
        if cache_dir is not None:
            cache_config = CacheConfig(repo.config)
            cache_config.set_dir(cache_dir, level=Config.LEVEL_LOCAL)
    finally:
        # Need to close/reopen repo to force config reread
        repo.close()

    REPO_CACHE[key] = new_path
    return new_path

def __init__(self, path=None, **kwargs):
        """

        Parameters
        ----------
        path: str (optional)
            Location of the repo to access; defaults to the current directory.
        """
        super().__init__(**kwargs)
        self.repo = dvc.repo.Repo(path)
        self.path = self.repo.find_root()

def __init__(self, args):
        from dvc.repo import Repo
        from dvc.updater import Updater

        self.repo = Repo()
        self.config = self.repo.config
        self.args = args
        hardlink_lock = self.config.config["core"].get("hardlink_lock", False)
        updater = Updater(self.repo.dvc_dir, hardlink_lock=hardlink_lock)
        updater.check()