How to use the wily.archivers.git.GitArchiver function in wily

with open(tmppath / ".gitignore", "w") as ignore:
        ignore.write("*.py[co]\n")

    index = repo.index
    index.add([".gitignore"])

    author = Actor("An author", "author@example.com")
    committer = Actor("A committer", "committer@example.com")

    index.commit("ignore python cache", author=author, committer=committer)

    config = DEFAULT_CONFIG
    config.path = tmpdir

    with pytest.raises(WilyIgnoreGitRepositoryError):
        archiver = GitArchiver(config)

with open(tmppath / ".gitignore", "w") as ignore:
        ignore.write(".wily/")

    index.add([".gitignore"])
    commit1 = index.commit("commit1", author=author, committer=committer)

    # Write a test file to the repo
    with open(tmppath / "blah.py", "w") as ignore:
        ignore.write("*.py[co]\n")
    index.add(["blah.py"])

    config = DEFAULT_CONFIG
    config.path = tmpdir

    with pytest.raises(DirtyGitRepositoryError):
        archiver = GitArchiver(config)
        archiver.revisions(tmpdir, 2)

# First commit
    with open(tmppath / ".gitignore", "w") as ignore:
        ignore.write(".wily/")
    index.add([".gitignore"])
    commit1 = index.commit("commit1", author=author, committer=committer)

    # Second commit
    with open(tmppath / "test.py", "w") as file1:
        file1.write("print(1)")
    index.add(["test.py"])
    commit2 = index.commit("commit2", author=author, committer=committer)

    config = DEFAULT_CONFIG
    config.path = tmpdir

    archiver = GitArchiver(config)
    assert archiver.config == config

    revisions = archiver.revisions(tmpdir, 3)
    assert len(revisions) == 2
    assert revisions[0].message == "commit2"
    assert revisions[0].author_email == "author@example.com"
    assert revisions[0].author_name == "An author"
    assert (
        revisions[0].key in commit2.name_rev
        and revisions[0].key not in commit1.name_rev
    )

    assert revisions[1].message == "commit1"
    assert revisions[1].author_email == "author@example.com"
    assert revisions[1].author_name == "An author"
    assert (

# Write a test file to the repo
    with open(tmppath / ".gitignore", "w") as ignore_f:
        ignore_f.write(ignore)

    index = repo.index
    index.add([".gitignore"])

    author = Actor("An author", "author@example.com")
    committer = Actor("A committer", "committer@example.com")

    index.commit("ignore python cache", author=author, committer=committer)

    config = DEFAULT_CONFIG
    config.path = tmpdir

    archiver = GitArchiver(config)
    assert archiver.config == config

def test_git_init(repo):
    with patch("wily.archivers.git.Repo", return_value=repo):
        test_config = wily.config.DEFAULT_CONFIG
        test_config.path = repo.path
        archiver = git.GitArchiver(test_config)
        assert archiver.repo is not None
        assert archiver.config == test_config

def test_git_revisions(repo, tmpdir):
    with patch("wily.archivers.git.Repo", return_value=repo):
        test_config = wily.config.DEFAULT_CONFIG
        test_config.path = repo.path
        archiver = git.GitArchiver(test_config)
        revisions = archiver.revisions(tmpdir, 99)
        assert archiver.repo is not None
        assert archiver.config == test_config
        assert revisions[0].key == "1234"
        assert revisions[1].key == "1234"
        assert revisions[0].author_name == "Mr Test"

author_email: str
    date: str
    message: str
    files: List[str]


from wily.archivers.git import GitArchiver
from wily.archivers.filesystem import FilesystemArchiver


"""Type for an operator"""
Archiver = namedtuple("Archiver", "name cls description")


"""Git Operator defined in `wily.archivers.git`"""
ARCHIVER_GIT = Archiver(name="git", cls=GitArchiver, description="Git archiver")

"""Filesystem archiver"""
ARCHIVER_FILESYSTEM = Archiver(
    name="filesystem", cls=FilesystemArchiver, description="Filesystem archiver"
)

"""Set of all available archivers"""
ALL_ARCHIVERS = {a.name: a for a in [ARCHIVER_GIT, ARCHIVER_FILESYSTEM]}


def resolve_archiver(name):
    """
    Get the :class:`wily.archivers.Archiver` for a given name.

    :param name: The name of the archiver
    :type  name: ``str``