class Project:
    """
    A project corresponds to a repository (Git, Mercurial, etc.)
    It has a set of tasks (ad-hoc or predefined).
    It also has several revisions/commits.
    We can fetch a specific revision from the repository and run tasks on it.
    """

    def __init__(self, **kwargs):
        for k in kwargs:
            setattr(self, k, kwargs[k])


class GitLabProject(Project):
    def download_revision(self):
        pass