Flask Sub Function Not Yielding Results

I have a bunch of code (1300 lines) that is working correctly and I am trying to incorporate flask into the picture. In order to do this, I an trying to use flask.Response to call

Solution 1:

Your nested test_method_sub_function() function doesn't return anything; it simply creates the generator (by calling a generator function), then exits.

It should at the very least return the tc.worker() call:

def test_method_sub_function():
    return tc.worker()

at which point the route works. You may as well skip this nested function however and use tc.worker()directly:

@app.route('/', methods=['POST'])deftest_method_post_stuff():
    return flask.Response(tc.worker(), mimetype='text/plain')

One note: although your use of the Flask object as a class attribute happens to work, you should to put it in a class. Leave the app object and routes outside of the class:

import flask

classTestClass(object):    
    defworker(self):
        yield'print test\n'

tc = TestClass()
app = flask.Flask(__name__)

@app.route('/')deftest_method_get_stuff():
    return flask.render_template('index.html')

@app.route('/', methods=['POST'])deftest_method_post_stuff():
    return flask.Response(tc.worker(), mimetype='text/plain')

app.run(debug=True)