{ lib, stdenv, fetchPypi, writeText, buildPythonPackage, isPyPy, pythonOlder, # build-system certifi, pkg-config, pybind11, setuptools, setuptools-scm, # native libraries ffmpeg-headless, freetype, qhull, # propagates contourpy, cycler, fonttools, kiwisolver, numpy, packaging, pillow, pyparsing, python-dateutil, # optional importlib-resources, # GTK3 enableGtk3 ? false, cairo, gobject-introspection, gtk3, pycairo, pygobject3, # Tk # Darwin has its own "MacOSX" backend, PyPy has tkagg backend and does not support tkinter enableTk ? (!stdenv.isDarwin && !isPyPy), tcl, tk, tkinter, # Ghostscript enableGhostscript ? true, ghostscript, # Qt enableQt ? false, pyqt5, # Webagg enableWebagg ? false, tornado, # nbagg enableNbagg ? false, ipykernel, # darwin Cocoa, # required for headless detection libX11, wayland, # Reverse dependency sage, }: let interactive = enableTk || enableGtk3 || enableQt; in buildPythonPackage rec { version = "3.8.4"; pname = "matplotlib"; pyproject = true; disabled = pythonOlder "3.8"; src = fetchPypi { inherit pname version; hash = "sha256-iqw5fV6ewViWDjHDgcX/xS3dUr2aR3F+KmlAOBZ9/+o="; }; env.XDG_RUNTIME_DIR = "/tmp"; # Matplotlib tries to find Tcl/Tk by opening a Tk window and asking the # corresponding interpreter object for its library paths. This fails if # `$DISPLAY` is not set. The fallback option assumes that Tcl/Tk are both # installed under the same path which is not true in Nix. # With the following patch we just hard-code these paths into the install # script. postPatch = let tcl_tk_cache = ''"${tk}/lib", "${tcl}/lib", "${lib.strings.substring 0 3 tk.version}"''; in '' substituteInPlace pyproject.toml \ --replace-fail '"numpy>=2.0.0rc1,<2.3",' "" '' + lib.optionalString enableTk '' sed -i '/self.tcl_tk_cache = None/s|None|${tcl_tk_cache}|' setupext.py '' + lib.optionalString (stdenv.isLinux && interactive) '' # fix paths to libraries in dlopen calls (headless detection) substituteInPlace src/_c_internal_utils.c \ --replace libX11.so.6 ${libX11}/lib/libX11.so.6 \ --replace libwayland-client.so.0 ${wayland}/lib/libwayland-client.so.0 ''; nativeBuildInputs = [ pkg-config ] ++ lib.optionals enableGtk3 [ gobject-introspection ]; buildInputs = [ ffmpeg-headless freetype qhull ] ++ lib.optionals enableGhostscript [ ghostscript ] ++ lib.optionals enableGtk3 [ cairo gtk3 ] ++ lib.optionals enableTk [ libX11 tcl tk ] ++ lib.optionals stdenv.isDarwin [ Cocoa ]; # clang-11: error: argument unused during compilation: '-fno-strict-overflow' [-Werror,-Wunused-command-line-argument] hardeningDisable = lib.optionals stdenv.isDarwin [ "strictoverflow" ]; build-system = [ certifi numpy pybind11 setuptools setuptools-scm ]; dependencies = [ # explicit contourpy cycler fonttools kiwisolver numpy packaging pillow pyparsing python-dateutil ] ++ lib.optionals (pythonOlder "3.10") [ importlib-resources ] ++ lib.optionals enableGtk3 [ pycairo pygobject3 ] ++ lib.optionals enableQt [ pyqt5 ] ++ lib.optionals enableWebagg [ tornado ] ++ lib.optionals enableNbagg [ ipykernel ] ++ lib.optionals enableTk [ tkinter ]; passthru.config = { directories = { basedirlist = "."; }; libs = { system_freetype = true; system_qhull = true; # LTO not working in darwin stdenv, see #19312 enable_lto = !stdenv.isDarwin; }; }; passthru.tests = { inherit sage; }; env.MPLSETUPCFG = writeText "mplsetup.cfg" (lib.generators.toINI { } passthru.config); # Encountering a ModuleNotFoundError, as describved and investigated at: # https://github.com/NixOS/nixpkgs/issues/255262 . It could be that some of # which may fail due to a freetype version that doesn't match the freetype # version used by upstream. doCheck = false; meta = with lib; { description = "Python plotting library, making publication quality plots"; homepage = "https://matplotlib.org/"; changelog = "https://github.com/matplotlib/matplotlib/releases/tag/v${version}"; license = with licenses; [ psfl bsd0 ]; maintainers = with maintainers; [ lovek323 veprbl ]; }; }