From 8c343a1064617802f01492391abeeb34351411a3 Mon Sep 17 00:00:00 2001
From: Zhaofeng Li <hello@zhaofeng.li>
Date: Sat, 11 Jul 2026 12:37:38 -0400
Subject: [PATCH] python3Packages.httpsig: Fix build with setuptools 82

---
 .../python-modules/httpsig/default.nix          |  6 +++++-
 .../httpsig/no-pkg-resources.patch              | 17 +++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/development/python-modules/httpsig/no-pkg-resources.patch

diff --git a/pkgs/development/python-modules/httpsig/default.nix b/pkgs/development/python-modules/httpsig/default.nix
index dd7034304f25..a2e96ec2caa9 100644
--- a/pkgs/development/python-modules/httpsig/default.nix
+++ b/pkgs/development/python-modules/httpsig/default.nix
@@ -20,6 +20,11 @@ buildPythonPackage rec {
     hash = "sha256-cdbVAkYSnE98/sIPXlfjUdK4SS1jHMKqlnkUrPkfbOY=";
   };
 
+  patches = [
+    # pkg_resources is gone in setuptools 82
+    ./no-pkg-resources.patch
+  ];
+
   build-system = [
     setuptools
     setuptools-scm
@@ -29,7 +34,6 @@ buildPythonPackage rec {
     pycryptodome
     requests
     six
-    setuptools
   ];
 
   nativeCheckInputs = [ pytestCheckHook ];
diff --git a/pkgs/development/python-modules/httpsig/no-pkg-resources.patch b/pkgs/development/python-modules/httpsig/no-pkg-resources.patch
new file mode 100644
index 000000000000..2ef147d088cd
--- /dev/null
+++ b/pkgs/development/python-modules/httpsig/no-pkg-resources.patch
@@ -0,0 +1,17 @@
+--- a/httpsig/__init__.py
++++ b/httpsig/__init__.py
+@@ -1,11 +1,11 @@
+-from pkg_resources import get_distribution, DistributionNotFound
++from importlib.metadata import PackageNotFoundError, version
+ 
+ from .sign import Signer, HeaderSigner
+ from .verify import Verifier, HeaderVerifier
+ 
+ try:
+-    __version__ = get_distribution(__name__).version
+-except DistributionNotFound:
++    __version__ = version(__name__)
++except PackageNotFoundError:
+     # package is not installed
+     pass
+