From e3bacebbd006f045843f45bc8f4857a2e82cf23c Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Fri, 19 Jun 2020 09:47:36 +0200
Subject: [PATCH] python2.pkgs.markdown: keep at 3.1.1 for Python 2

---
 .../python-modules/markdown/3_1.nix           | 34 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  5 ++-
 2 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/development/python-modules/markdown/3_1.nix

diff --git a/pkgs/development/python-modules/markdown/3_1.nix b/pkgs/development/python-modules/markdown/3_1.nix
new file mode 100644
index 00000000000..b07d36e22c7
--- /dev/null
+++ b/pkgs/development/python-modules/markdown/3_1.nix
@@ -0,0 +1,34 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, setuptools
+, nose
+, pyyaml
+, pythonOlder
+, importlib-metadata
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "Markdown";
+  version = "3.1.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "2e50876bcdd74517e7b71f3e7a76102050edec255b3983403f1a63e7c8a41e7a";
+  };
+
+  propagatedBuildInputs = [ 
+    setuptools 
+  ] ++ lib.optionals (pythonOlder "3.8") [
+    importlib-metadata
+  ];
+
+  checkInputs = [ nose pyyaml ];
+
+  meta = {
+    description = "A Python implementation of John Gruber's Markdown with Extension support";
+    homepage = "https://github.com/Python-Markdown/markdown";
+    license = lib.licenses.bsd3;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a09610a1922..a1c03bc204e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4504,7 +4504,10 @@ in {
 
   mapsplotlib = callPackage ../development/python-modules/mapsplotlib { };
 
-  markdown = callPackage ../development/python-modules/markdown { };
+  markdown = if isPy3k then
+    callPackage ../development/python-modules/markdown { }
+  else
+    callPackage ../development/python-modules/markdown/3_1.nix { };
 
   markdownsuperscript = callPackage ../development/python-modules/markdownsuperscript {};