How to use the taguette.database.Project function in taguette

def test_project(self):
        db = self.application.DBSession()
        projects = [
            database.Project(name="first project", description=""),
            database.Project(name="a test", description="Test project"),
            database.Project(name="private P", description="admin can't see"),
            database.Project(name="last project", description="Other"),
        ]
        for project in projects:
            db.add(project)
        db.commit()
        for i in [1, 2, 4]:
            db.add(database.ProjectMember(
                project_id=i,
                user_login='admin',
                privileges=database.Privileges.ADMIN))
        db.commit()

        # Authenticate with token
        response = self.get('/?token=' + self.application.single_user_token)
        self.assertEqual(response.code, 302)
        self.assertEqual(response.headers['Location'], '/')

def test_project(self):
        db = self.application.DBSession()
        projects = [
            database.Project(name="first project", description=""),
            database.Project(name="a test", description="Test project"),
            database.Project(name="private P", description="admin can't see"),
            database.Project(name="last project", description="Other"),
        ]
        for project in projects:
            db.add(project)
        db.commit()
        for i in [1, 2, 4]:
            db.add(database.ProjectMember(
                project_id=i,
                user_login='admin',
                privileges=database.Privileges.ADMIN))
        db.commit()

        # Authenticate with token
        response = self.get('/?token=' + self.application.single_user_token)

def post(self):
        name = self.get_body_argument('name', '')
        description = self.get_body_argument('description', '')
        if not name:
            return self.render('project_new.html',
                               name=name, description=description,
                               error="Please enter a name")

        # Create project
        project = database.Project(name=name, description=description)
        self.db.add(project)
        # Add user as admin
        membership = database.ProjectMember(
            project=project,
            user_login=self.current_user,
            privileges=database.Privileges.ADMIN
        )
        self.db.add(membership)
        # Add default set of tags
        self.db.add(database.Tag(project=project, path='interesting',
                                 description="Further review required"))
        self.db.add(database.Tag(project=project, path='people',
                                 description="Known people"))

        self.db.commit()
        self.redirect(self.reverse_url('project', project.id))

    @classmethod
    def member_remove(cls, user_login, project_id, member_login):
        assert isinstance(project_id, int)
        return cls(
            user_login=user_login,
            project_id=project_id,
            payload={'type': 'member_remove',  # keep in sync above
                     'member': member_login}
        )


Project.last_event = column_property(
    select(
        [Command.id]
    ).where(
        Command.project_id == Project.id
    ).order_by(
        Command.id.desc()
    ).limit(1)
    .as_scalar()
)


class Highlight(Base):
    __tablename__ = 'highlights'

    id = Column(Integer, primary_key=True)
    document_id = Column(Integer, ForeignKey('documents.id',
                                             ondelete='CASCADE'),
                         nullable=False, index=True)
    document = relationship('Document', back_populates='highlights')
    start_offset = Column(Integer, nullable=False)

'member': member_login,
                     'privileges': privileges.name}
        )

    @classmethod
    def member_remove(cls, user_login, project_id, member_login):
        assert isinstance(project_id, int)
        return cls(
            user_login=user_login,
            project_id=project_id,
            payload={'type': 'member_remove',  # keep in sync above
                     'member': member_login}
        )


Project.last_event = column_property(
    select(
        [Command.id]
    ).where(
        Command.project_id == Project.id
    ).order_by(
        Command.id.desc()
    ).limit(1)
    .as_scalar()
)


class Highlight(Base):
    __tablename__ = 'highlights'

    id = Column(Integer, primary_key=True)
    document_id = Column(Integer, ForeignKey('documents.id',

def post(self):
        name = self.get_body_argument('name', '')
        description = self.get_body_argument('description', '')
        try:
            validate.project_name(name)
            validate.project_description(description)

            # Create project
            project = database.Project(name=name, description=description)
            self.db.add(project)
            # Add user as admin
            membership = database.ProjectMember(
                project=project,
                user_login=self.current_user,
                privileges=database.Privileges.ADMIN
            )
            self.db.add(membership)
            # Add default tags
            self.db.add(database.Tag(
                project=project,
                # TRANSLATORS: Default tag name
                path=self.gettext("interesting"),
                # TRANSLATORS: Default tag description
                description=self.gettext("Further review required")),
            )

def get_document(self, project_id, document_id, contents=False):
        try:
            project_id = int(project_id)
            document_id = int(document_id)
        except ValueError:
            raise HTTPError(404)

        q = (
            self.db.query(database.Document)
            .options(joinedload(database.Document.project)
                     .joinedload(database.Project.members))
            .filter(database.Project.id == project_id)
            .filter(database.ProjectMember.user_login == self.current_user)
            .filter(database.Document.id == document_id)
        )
        if contents:
            q = q.options(undefer(database.Document.contents))
        document = q.one_or_none()
        if document is None:
            raise HTTPError(404)
        return document

def get_document(self, project_id, document_id, contents=False):
        try:
            project_id = int(project_id)
            document_id = int(document_id)
        except ValueError:
            raise HTTPError(404)

        q = (
            self.db.query(database.Document)
            .options(joinedload(database.Document.project)
                     .joinedload(database.Project.members))
            .filter(database.Project.id == project_id)
            .filter(database.ProjectMember.user_login == self.current_user)
            .filter(database.Document.id == document_id)
        )
        if contents:
            q = q.options(undefer(database.Document.contents))
        document = q.one_or_none()
        if document is None:
            raise HTTPError(404)
        return document

engine = create_engine(db_url, **kwargs)
    # logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO)

    if db_url.startswith('sqlite:'):
        @sqlalchemy.event.listens_for(sqlalchemy.engine.Engine, "connect")
        def set_sqlite_pragma(dbapi_connection, connection_record):
            cursor = dbapi_connection.cursor()
            cursor.execute("PRAGMA foreign_keys=ON")
            cursor.close()

    alembic_cfg = alembic.config.Config()
    alembic_cfg.set_main_option('script_location', 'taguette:migrations')
    alembic_cfg.set_main_option('sqlalchemy.url', db_url)

    conn = engine.connect()
    if not engine.dialect.has_table(conn, Project.__tablename__):
        logger.warning("The tables don't seem to exist; creating")
        Base.metadata.create_all(bind=engine)

        # Mark this as the most recent Alembic version
        alembic.command.stamp(alembic_cfg, "head")

        # Set SQLite's "application ID"
        if db_url.startswith('sqlite:'):
            conn.execute("PRAGMA application_id=0x54677474;")  # 'Tgtt'
    else:
        # Perform Alembic migrations if needed
        context = MigrationContext.configure(conn)
        current_rev = context.get_current_revision()
        scripts = ScriptDirectory.from_config(alembic_cfg)
        if [current_rev] != scripts.get_heads():
            logger.warning("Database schema is out of date: %s", current_rev)