CookieManager not finding cookies that are clearly available

[aronweiler]

The CookieManager does not appear to properly find cookies in some scenarios.

In the simplest scenario, I am executing the following code:

cookie_manager = stx.CookieManager(key="cookie_manager_" + str(time.time()))
session_id = cookie_manager.get(cookie="session_id")
print(cookie_manager.cookies)

The result of the print operation is { }, even when there are cookies set. And the session_id is None.

Looking at the browser's development panel, I can see my session cookie in there:

This seems to happen any time I refresh the page I'm on (hitting F5), OR when I navigate directly to a page where I am checking the session_id (such as a protected page, where the user must be authenticated). This does not happen when just navigating around my multi-page app by clicking links.

I've tested this in Chrome and Firefox, and the same thing happens.

This is problematic, because I use the session cookie to store my user's session ID, and if streamlit can't find it, it sends them to the login page (when they're already logged in).

[gniewus]

In my case i inserted a short time.sleep(0.3) after setting the cookie and a while loop while getting. IDK why this is an issue but IMO CookieManager is huge pain in the ass and i'd not use it if i were not forced to use it ... :/

[aronweiler]

This, and a number of other things, has prompted me to rewrite my entire application in react.

The learning curve was a little steeper, and obviously it's more work than just writing Python code, but the results are so much better than what streamlit offers.

Streamlit is great for prototyping, but I would not use it in a production application.

[gabrielziegler3]

I might be doing the same. Ditching streamlit altogether because authentication is just too experimental and buggy.