From ed14f12b89f096ee4f42f1744f3c1a0a17e569f3 Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Sun, 5 Jun 2016 13:09:55 +0200 Subject: [PATCH] matplotlib: Add support for the TkAgg backend Fixes #15993 --- .../python-modules/matplotlib/default.nix | 23 ++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/pkgs/development/python-modules/matplotlib/default.nix b/pkgs/development/python-modules/matplotlib/default.nix index bba201093a1..72223f6e621 100644 --- a/pkgs/development/python-modules/matplotlib/default.nix +++ b/pkgs/development/python-modules/matplotlib/default.nix @@ -4,11 +4,17 @@ , enableGhostscript ? false, ghostscript ? null, gtk3 , enableGtk2 ? false, pygtk ? null, gobjectIntrospection , enableGtk3 ? false, cairo +, enableTk ? false, tcl ? null, tk ? null, tkinter ? null, libX11 ? null , Cocoa, Foundation, CoreData, cf-private, libobjc, libcxx }: assert enableGhostscript -> ghostscript != null; assert enableGtk2 -> pygtk != null; +assert enableTk -> (tcl != null) + && (tk != null) + && (tkinter != null) + && (libX11 != null) + ; buildPythonPackage rec { name = "matplotlib-${version}"; @@ -33,12 +39,27 @@ buildPythonPackage rec { libpng pkgconfig mock pytz ] ++ stdenv.lib.optional enableGtk2 pygtk - ++ stdenv.lib.optionals enableGtk3 [ cairo pycairo gtk3 gobjectIntrospection pygobject3 ]; + ++ stdenv.lib.optionals enableGtk3 [ cairo pycairo gtk3 gobjectIntrospection pygobject3 ] + ++ stdenv.lib.optionals enableTk [ tcl tk tkinter libX11 ]; patches = [ ./basedirlist.patch ] ++ stdenv.lib.optionals stdenv.isDarwin [ ./darwin-stdenv.patch ]; + # Matplotlib tries to find Tcl/Tk by opening a Tk window and asking the + # corresponding interpreter object for its library paths. This fails if + # `$DISPLAY` is not set. The fallback option assumes that Tcl/Tk are both + # installed under the same path which is not true in Nix. + # With the following patch we just hard-code these paths into the install + # script. + postPatch = + let + inherit (stdenv.lib.strings) substring; + tcl_tk_cache = ''"${tk}/lib", "${tcl}/lib", "${substring 0 3 tk.version}"''; + in + stdenv.lib.optionalString enableTk + "sed -i '/self.tcl_tk_cache = None/s|None|${tcl_tk_cache}|' setupext.py"; + checkPhase = '' ${python.interpreter} tests.py '';