apache-airflow: 2.7.1 -> 2.7.3, fix build

overriding ever more python packages to placate airflow

pkgs/servers/apache-airflow/default.nix

@@ -7,6 +7,17 @@
 let
   python = python3.override {
     packageOverrides = pySelf: pySuper: {
+      flask = pySuper.flask.overridePythonAttrs (o: rec {
+        version = "2.2.5";
+        src = fetchPypi {
+          pname = "Flask";
+          inherit version;
+          hash = "sha256-7e6bCn/yZiG9WowQ/0hK4oc3okENmbC7mmhQx/uXeqA=";
+        };
+        nativeBuildInputs = (o.nativeBuildInputs or []) ++ [
+          pySelf.setuptools
+        ];
+      });
       # flask-appbuilder doesn't work with sqlalchemy 2.x, flask-appbuilder 3.x
       # https://github.com/dpgaspar/Flask-AppBuilder/issues/2038
       flask-appbuilder = pySuper.flask-appbuilder.overridePythonAttrs (o: {
@@ -21,6 +32,24 @@ let
         };
         format = "setuptools";
       });
+      httpcore = pySuper.httpcore.overridePythonAttrs (o: rec {
+        # nullify upstream's pytest flags which cause
+        # "TLS/SSL connection has been closed (EOF)"
+        # with pytest-httpbin 1.x
+        preCheck = ''
+          substituteInPlace pyproject.toml \
+            --replace '[tool.pytest.ini_options]' '[tool.notpytest.ini_options]'
+        '';
+      });
+      pytest-httpbin = pySuper.pytest-httpbin.overridePythonAttrs (o: rec {
+        version = "1.0.2";
+        src = fetchFromGitHub {
+          owner = "kevin1024";
+          repo = "pytest-httpbin";
+          rev = "refs/tags/v${version}";
+          hash = "sha256-S4ThQx4H3UlKhunJo35esPClZiEn7gX/Qwo4kE1QMTI=";
+        };
+      });
       # apache-airflow doesn't work with sqlalchemy 2.x
       # https://github.com/apache/airflow/issues/28723
       sqlalchemy = pySuper.sqlalchemy.overridePythonAttrs (o: rec {

pkgs/servers/apache-airflow/python-package.nix

@@ -87,7 +87,7 @@
 , enabledProviders ? []
 }:
 let
-  version = "2.7.1";
+  version = "2.7.3";
 
   airflow-src = fetchFromGitHub rec {
     owner = "apache";
@@ -96,7 +96,7 @@ let
     # Download using the git protocol rather than using tarballs, because the
     # GitHub archive tarballs don't appear to include tests
     forceFetchGit = true;
-    hash = "sha256-TxlOdazdaEKt9U+t/zjRChUABLhVTqXvH8nUbYrRrQs=";
+    hash = "sha256-+YbiKFZLigSDbHPaUKIl97kpezW1rIt/j09MMa6lwhQ=";
   };
 
   # airflow bundles a web interface, which is built using webpack by an undocumented shell script in airflow's source tree.
@@ -110,7 +110,7 @@ let
 
     offlineCache = fetchYarnDeps {
       yarnLock = "${src}/yarn.lock";
-      hash = "sha256-ZUvjSA6BKj27xTNieVBBXm6oCTAWIvxk2menQMt91uE=";
+      hash = "sha256-WQKuQgNp35fU6z7owequXOSwoUGJDJYcUgkjPDMOops=";
     };
 
     distPhase = "true";