From 60a5dfd9529b764daec4769757ef9b11c1616aa7 Mon Sep 17 00:00:00 2001
From: Matt Sturgeon <matt@sturgeon.me.uk>
Date: Tue, 7 Oct 2025 17:14:05 +0100
Subject: [PATCH] =?UTF-8?q?python3Packages.pystd:=200.17.0=20=E2=86=92=200?=
 =?UTF-8?q?.18.0?=
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Changelog:
- Support for Python 3.14
- Deprecate the `read_size` and `write_size` parameters of `ZstdFile` and `SeekableZstdFile`
- Deprecate `richmem_compress` and `RichMemZstdCompressor`
- Rework documentation to suggest using `compression.zstd` from Python stdlib, and provide a migration guide
- Include the `zstd` library license in package distributions

https://github.com/Rogdham/pyzstd/blob/0.18.0/CHANGELOG.md
---
 pkgs/development/python-modules/pyzstd/default.nix | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/pyzstd/default.nix b/pkgs/development/python-modules/pyzstd/default.nix
index fac7f269a108..6f5393fa7a7b 100644
--- a/pkgs/development/python-modules/pyzstd/default.nix
+++ b/pkgs/development/python-modules/pyzstd/default.nix
@@ -11,14 +11,14 @@
 
 buildPythonPackage rec {
   pname = "pyzstd";
-  version = "0.17.0";
+  version = "0.18.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Rogdham";
     repo = "pyzstd";
     tag = version;
-    hash = "sha256-PICYdB/xu/q2wjbkF2nziZt8z8PmzJ5eM+Yq0rpLfEU=";
+    hash = "sha256-15+GqJ/AMYs1R9ywo+muNVVbPkkzTMj//Zn/PPI+MCI=";
   };
 
   postPatch = ''
@@ -26,6 +26,9 @@ buildPythonPackage rec {
     # required for Python 3.9 under Windows
     substituteInPlace pyproject.toml \
         --replace-fail '"setuptools>=64,<74"' '"setuptools"'
+
+    # pyzst needs a copy of upstream zstd's license
+    ln -s ${zstd-c.src}/LICENSE zstd
   '';
 
   nativeBuildInputs = [