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Do I need to pass session variables manually from Flask to my HTML or are they automatically sent in some way?
Can I do
return render_template('index.html') and access a session variable username, for example, like {{session['username'}} in the HTML file?
495
To release a session variable use pop() method. The following code is a simple demonstration of session works in Flask. URL '/' simply prompts user to log in, as session variable 'username' is not set. As user browses to '/login' the login() view function, because it is called through GET method, opens up a login form.
There is no session id. Sessions in Flask are simply wrappers over cookies. What you save on it it's digitally signed and sent as a cookie to the client. When you make a request, that cookie is sent to your server and then verified and transformed in a Python object.
In python
session['username'] = 'username' in jinja2 you can go
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