From 708df4d1e2e4f41acb95b158bc4e4e4a23739828 Mon Sep 17 00:00:00 2001
From: NewSoupVi <57900059+NewSoupVi@users.noreply.github.com>
Date: Mon, 20 Oct 2025 17:06:07 +0200
Subject: [PATCH] WebHost: Fix flask-compress to 1.18 for Python 3.11 (to get
 CI to pass again) (#5573)

From Discord:

Well, flask-compress updated and now our 3.11 CI is failing

Why? They switched to a lib called backports.zstd
And 3.11 pkg_resources can't handle that.

pip finds it. But in our ModuleUpdate.py, we first pkg_resources.require packages, and this fails. I can't reproduce this locally yet, but in CI, it seems like even though backports.zstd is installed, it still fails on it and prompts installing it over and over in every unit test
Now what do we do :KEKW:
Black Sliver suggested pinning flask-compress for 3.11
But I would just like to point out that this means we can't unpin it until we drop 3.11
the real thing is we probably need to move away from pkg_resources? lol
since it's been deprecated literally since the oldest version we support
---
 WebHostLib/requirements.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/WebHostLib/requirements.txt b/WebHostLib/requirements.txt
index f64ed085..e7181bd9 100644
--- a/WebHostLib/requirements.txt
+++ b/WebHostLib/requirements.txt
@@ -4,7 +4,8 @@ pony>=0.7.19; python_version <= '3.12'
 pony @ git+https://github.com/black-sliver/pony@7feb1221953b7fa4a6735466bf21a8b4d35e33ba#0.7.19; python_version >= '3.13'
 waitress>=3.0.2
 Flask-Caching>=2.3.0
-Flask-Compress>=1.17
+Flask-Compress>=1.17; python_version >= '3.12'
+Flask-Compress==1.18; python_version <= '3.11'  # 3.11's pkg_resources can't resolve the new "backports.zstd" dependency
 Flask-Limiter>=3.12
 bokeh>=3.6.3
 markupsafe>=3.0.2