Flask 數(shù)據(jù)流

from flask import Response

@app.route('/large.csv')
def generate_large_csv():
    def generate():
        for row in iter_all_rows():
            yield ','.join(row) + '\n'
    return Response(generate(), mimetype='text/csv')

from flask import Response

def stream_template(template_name, **context):
    app.update_template_context(context)
    t = app.jinja_env.get_template(template_name)
    rv = t.stream(context)
    rv.enable_buffering(5)
    return rv

@app.route('/my-large-page.html')
def render_large_template():
    rows = iter_all_rows()
    return Response(stream_template('the_template.html', rows=rows))