1 files changed, 37 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/tornado/4.nix b/nixpkgs/pkgs/development/python-modules/tornado/4.nix
new file mode 100644
index 000000000000..6d889a09d25e
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/tornado/4.nix
@@ -0,0 +1,37 @@
+{ lib
+, python
+, buildPythonPackage
+, fetchPypi
+, backports_abc
+, backports_ssl_match_hostname
+, certifi
+, singledispatch
+, futures
+, isPy27
+}:
+
+buildPythonPackage rec {
+  pname = "tornado";
+  version = "4.5.3";
+
+  propagatedBuildInputs = lib.optionals isPy27 [ backports_abc certifi singledispatch backports_ssl_match_hostname futures ];
+
+  # We specify the name of the test files to prevent
+  # https://github.com/NixOS/nixpkgs/issues/14634
+  checkPhase = ''
+    ${python.interpreter} -m unittest discover *_test.py
+  '';
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "02jzd23l4r6fswmwxaica9ldlyc2p6q8dk6dyff7j58fmdzf853d";
+  };
+
+  __darwinAllowLocalNetworking = true;
+
+  meta = {
+    description = "A web framework and asynchronous networking library";
+    homepage = "https://www.tornadoweb.org/";
+    license = lib.licenses.asl20;
+  };
+}