1 files changed, 45 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/Babel/default.nix b/nixpkgs/pkgs/development/python-modules/Babel/default.nix
new file mode 100644
index 000000000000..1074d2eef48c
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/Babel/default.nix
@@ -0,0 +1,45 @@
+{ stdenv, lib, buildPythonPackage, fetchPypi, fetchpatch, pytz, pytest, freezegun, glibcLocales }:
+
+buildPythonPackage rec {
+  pname = "Babel";
+  version = "2.7.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "e86135ae101e31e2c8ec20a4e0c5220f4eed12487d5cf3f78be7e98d3a57fc28";
+  };
+
+  patches = [
+    # The following 2 patches fix the test suite failing on nix < 2.3 with
+    # Python < 3 because those nix versions do not run in a pseudoterminal,
+    # which makes Python 2 not set the default encoding to UTF-8, and the
+    # Babel code crashes when printing a warning in that case.
+    # See #75676 and https://github.com/python-babel/babel/pull/691.
+    # It is important to fix this because otherwise Babel is not buildable
+    # with older nix versions (e.g. on machines used as --builders).
+    # TODO: Remove at release > 2.8.0.
+    (fetchpatch {
+      name = "Babel-Introduce-invariant-that-invalid_pofile-takes-unicode-line.patch";
+      url = "https://github.com/python-babel/babel/commit/f4f6653e6aa053724d2c6dc0ee71dcb928013352.patch";
+      sha256 = "1kyknwn9blspcf9yxmgdiaxdii1dnkblyhcflqwhxyl1mss1dxv5";
+    })
+    (fetchpatch {
+      name = "Babel-Fix-unicode-printing-error-on-Python-2-without-TTY.patch";
+      url = "https://github.com/python-babel/babel/commit/da7f31143847659b6b74d802618b03438aceb350.patch";
+      sha256 = "09yny8614knr8ngrrddmqzkxk70am135rccv2ncc6dji4xbqbfln";
+    })
+  ];
+
+  propagatedBuildInputs = [ pytz ];
+
+  checkInputs = [ pytest freezegun ];
+
+  doCheck = !stdenv.isDarwin;
+
+  meta = with lib; {
+    homepage = "http://babel.edgewall.org";
+    description = "A collection of tools for internationalizing Python applications";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ ];
+  };
+}