nixpkgs/pkgs/development/python-modules/pillow/default.nix
Andrew Dunham 8ad2cb1d0c pillow: Fix build on non-NixOS systems
The Pillow install script will, by default, add paths like /usr/lib and
/usr/include to the search paths.  This can break things when building
on a non-NixOS system that has some libraries installed that are not
installed in Nix (for example, Arch Linux has jpeg2000 but Nix doesn't
build Pillow with this support).

We solve this by telling Pillow to knock it off 😄

Fixes #36317
2018-03-05 15:13:55 -08:00

77 lines
2.9 KiB
Nix

{ stdenv, buildPythonPackage, fetchPypi, isPyPy
, olefile
, freetype, libjpeg, zlib, libtiff, libwebp, tcl, lcms2, tk, libX11
, pytestrunner
, pytest
}:
buildPythonPackage rec {
pname = "Pillow";
version = "5.0.0";
name = "${pname}-${version}";
src = fetchPypi {
inherit pname version;
sha256 = "12f29d6c23424f704c66b5b68c02fe0b571504459605cfe36ab8158359b0e1bb";
};
doCheck = !stdenv.isDarwin && !isPyPy;
# Disable imagefont tests, because they don't work well with infinality:
# https://github.com/python-pillow/Pillow/issues/1259
postPatch = ''
rm Tests/test_imagefont.py
'';
propagatedBuildInputs = [ olefile ];
checkInputs = [ pytest pytestrunner ];
buildInputs = [
freetype libjpeg zlib libtiff libwebp tcl lcms2 ]
++ stdenv.lib.optionals (isPyPy) [ tk libX11 ];
# NOTE: we use LCMS_ROOT as WEBP root since there is not other setting for webp.
# NOTE: The Pillow install script will, by default, add paths like /usr/lib
# and /usr/include to the search paths. This can break things when building
# on a non-NixOS system that has some libraries installed that are not
# installed in Nix (for example, Arch Linux has jpeg2000 but Nix doesn't
# build Pillow with this support). We patch the `disable_platform_guessing`
# setting here, instead of passing the `--disable-platform-guessing`
# command-line option, since the command-line option doesn't work when we run
# tests.
preConfigure = let
libinclude' = pkg: ''"${pkg.out}/lib", "${pkg.out}/include"'';
libinclude = pkg: ''"${pkg.out}/lib", "${pkg.dev}/include"'';
in ''
sed -i "setup.py" \
-e 's|^FREETYPE_ROOT =.*$|FREETYPE_ROOT = ${libinclude freetype}|g ;
s|^JPEG_ROOT =.*$|JPEG_ROOT = ${libinclude libjpeg}|g ;
s|^ZLIB_ROOT =.*$|ZLIB_ROOT = ${libinclude zlib}|g ;
s|^LCMS_ROOT =.*$|LCMS_ROOT = ${libinclude lcms2}|g ;
s|^TIFF_ROOT =.*$|TIFF_ROOT = ${libinclude libtiff}|g ;
s|^TCL_ROOT=.*$|TCL_ROOT = ${libinclude' tcl}|g ;
s|self\.disable_platform_guessing = None|self.disable_platform_guessing = True|g ;'
export LDFLAGS="-L${libwebp}/lib"
export CFLAGS="-I${libwebp}/include"
''
# Remove impurities
+ stdenv.lib.optionalString stdenv.isDarwin ''
substituteInPlace setup.py \
--replace '"/Library/Frameworks",' "" \
--replace '"/System/Library/Frameworks"' ""
'';
meta = with stdenv.lib; {
homepage = https://python-pillow.github.io/;
description = "Fork of The Python Imaging Library (PIL)";
longDescription = ''
The Python Imaging Library (PIL) adds image processing
capabilities to your Python interpreter. This library
supports many file formats, and provides powerful image
processing and graphics capabilities.
'';
license = "http://www.pythonware.com/products/pil/license.htm";
maintainers = with maintainers; [ goibhniu prikhi ];
};
}