views.py 文件源码

def chart(self):
        session = settings.Session()
        chart_id = request.args.get('chart_id')
        embed = request.args.get('embed')
        chart = session.query(models.Chart).filter_by(id=chart_id).first()
        session.expunge_all()
        session.commit()
        session.close()

        NVd3ChartClass = chart_mapping.get(chart.chart_type)
        if not NVd3ChartClass:
            flash(
                "Not supported anymore as the license was incompatible, "
                "sorry",
                "danger")
            redirect('/admin/chart/')

        sql = ""
        if chart.show_sql:
            sql = Markup(highlight(
                chart.sql,
                lexers.SqlLexer(),  # Lexer call
                HtmlFormatter(noclasses=True))
            )
        return self.render(
            'airflow/nvd3.html',
            chart=chart,
            title="Airflow - Chart",
            sql=sql,
            label=chart.label,
            embed=embed)