From fa886e44164b02576ba5f69bd734402a0a8a6e9a Mon Sep 17 00:00:00 2001
From: SCOTT-HAMILTON <sgn.hamilton+github@protonmail.com>
Date: Mon, 1 Aug 2022 16:42:16 +0200
Subject: [PATCH] pip-tools: fix build (#184326)

---
 .../python-modules/pip-tools/default.nix      |  5 +++++
 .../fix-setup-py-bad-syntax-detection.patch   | 21 +++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 pkgs/development/python-modules/pip-tools/fix-setup-py-bad-syntax-detection.patch

diff --git a/pkgs/development/python-modules/pip-tools/default.nix b/pkgs/development/python-modules/pip-tools/default.nix
index 93eb848a6452..84521397a707 100644
--- a/pkgs/development/python-modules/pip-tools/default.nix
+++ b/pkgs/development/python-modules/pip-tools/default.nix
@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , buildPythonPackage
+, build
 , click
 , fetchPypi
 , pep517
@@ -25,11 +26,14 @@ buildPythonPackage rec {
     hash = "sha256-Oeiu5GVEbgInjYDb69QyXR3YYzJI9DITxzol9Y59ilU=";
   };
 
+  patches = [ ./fix-setup-py-bad-syntax-detection.patch ];
+
   nativeBuildInputs = [
     setuptools-scm
   ];
 
   propagatedBuildInputs = [
+    build
     click
     pep517
     pip
@@ -51,6 +55,7 @@ buildPythonPackage rec {
     # Tests require network access
     "network"
     "test_direct_reference_with_extras"
+    "test_local_duplicate_subdependency_combined"
   ];
 
   pythonImportsCheck = [
diff --git a/pkgs/development/python-modules/pip-tools/fix-setup-py-bad-syntax-detection.patch b/pkgs/development/python-modules/pip-tools/fix-setup-py-bad-syntax-detection.patch
new file mode 100644
index 000000000000..6a88222139e1
--- /dev/null
+++ b/pkgs/development/python-modules/pip-tools/fix-setup-py-bad-syntax-detection.patch
@@ -0,0 +1,21 @@
+diff --color -ru a/piptools/scripts/compile.py b/piptools/scripts/compile.py
+--- a/piptools/scripts/compile.py	2022-06-30 11:24:26.000000000 +0200
++++ b/piptools/scripts/compile.py	2022-08-01 13:40:58.392515765 +0200
+@@ -6,7 +6,7 @@
+ from typing import IO, Any, BinaryIO, List, Optional, Tuple, Union, cast
+ 
+ import click
+-from build import BuildBackendException
++from build import BuildException
+ from build.util import project_wheel_metadata
+ from click.utils import LazyFile, safecall
+ from pip._internal.commands import create_command
+@@ -421,7 +421,7 @@
+                 metadata = project_wheel_metadata(
+                     os.path.dirname(os.path.abspath(src_file))
+                 )
+-            except BuildBackendException as e:
++            except (BuildException,StopIteration) as e:
+                 log.error(str(e))
+                 log.error(f"Failed to parse {os.path.abspath(src_file)}")
+                 sys.exit(2)