def index():
# This method generates a random identifier and stores it in Flask's session object
# For any request coming from the client, we'll check it. This way, we avoid
# CSRF attacks (check https://en.wikipedia.org/wiki/Cross-site_request_forgery )
session['csrf'] = weblab.create_token()
return render_template("index.html")
def start(client_data, server_data):
print("************************************************************************")
print("Preparing laboratory for user {}...".format(weblab_user.username))
print()
print(" - Typically, here you prepare resources.")
print(" - Since this method is run *before* the user goes to the lab, you can't")
print(" store information on Flask's 'session'. But you can store it on:")
print(" weblab_user.data")
weblab_user.data['local_identifier'] = weblab.create_token()
print(" In this case: {}".format(weblab_user.data['local_identifier']))
print()
print("************************************************************************")
for light in range(LIGHTS):
redis.set('hardware:lights:{}'.format(light), 'off')
redis.set('hardware:microcontroller:state', 'empty')
redis.delete('hardware:microcontroller:programming')