ranger: add optional python dependencies (#170328)

* ranger: add optional python dependencies

Ranger has some [optional python
dependencies](https://github.com/ranger/ranger#dependencies).
Also, for use with the rnvimr NeoVim plugin, the pynvim packgage needs
to be included.

* Update pkgs/applications/misc/ranger/default.nix

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Co-authored-by: Sandro <sandro.jaeckel@gmail.com>

* Update pkgs/applications/misc/ranger/default.nix

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Co-authored-by: Sandro <sandro.jaeckel@gmail.com>

Co-authored-by: Marc Jakobi <marc.jakobi@tiko.energy>
Co-authored-by: Sandro <sandro.jaeckel@gmail.com>

pkgs/applications/misc/ranger/default.nix

@@ -1,5 +1,9 @@
-{ lib, fetchFromGitHub, python3Packages, file, less, highlight
-, imagePreviewSupport ? true, w3m }:
+{ lib, fetchFromGitHub, python3Packages, file, less, highlight, w3m
+, imagePreviewSupport ? true
+, neoVimSupport ? true
+, improvedEncodingDetection ? true
+, rightToLeftTextSupport ? false
+}:
 
 python3Packages.buildPythonApplication rec {
   pname = "ranger";
@@ -15,8 +19,13 @@ python3Packages.buildPythonApplication rec {
   LC_ALL = "en_US.UTF-8";
 
   checkInputs = with python3Packages; [ pytestCheckHook ];
-  propagatedBuildInputs = [ file ]
-    ++ lib.optionals (imagePreviewSupport) [ python3Packages.pillow ];
+  propagatedBuildInputs = [
+    less
+    file
+  ] ++ lib.optionals imagePreviewSupport [ python3Packages.pillow ]
+    ++ lib.optionals neoVimSupport [ python3Packages.pynvim ]
+    ++ lib.optionals improvedEncodingDetection [ python3Packages.chardet ]
+    ++ lib.optionals rightToLeftTextSupport [ python3Packages.python-bidi ];
 
   preConfigure = ''
     ${lib.optionalString (highlight != null) ''