Add 'nixpkgs/' from commit 'abf060725d7614bd3b9f96764262dfbc2f9c2199'

git-subtree-dir: nixpkgs
git-subtree-mainline: 4e31070265257dc67d120c27e0f75c2344fdfa9a
git-subtree-split: abf060725d7614bd3b9f96764262dfbc2f9c2199

3 files changed, 118 insertions, 0 deletions

diff --git a/nixpkgs/pkgs/development/python-modules/cairocffi/default.nix b/nixpkgs/pkgs/development/python-modules/cairocffi/default.nix
new file mode 100644
index 000000000000..bdd11fb3de6f
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/cairocffi/default.nix
@@ -0,0 +1,60 @@
+# FIXME: make gdk_pixbuf dependency optional
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, lib
+, substituteAll
+, makeFontsConf
+, freefont_ttf
+, pytest
+, glibcLocales
+, cairo
+, cffi
+, withXcffib ? false, xcffib
+, python
+, glib
+, gdk_pixbuf }:
+
+buildPythonPackage rec {
+  pname = "cairocffi";
+  version = "0.9.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "15386c3a9e08823d6826c4491eaccc7b7254b1dc587a3b9ce60c350c3f990337";
+  };
+
+  LC_ALL = "en_US.UTF-8";
+
+  # checkPhase require at least one 'normal' font and one 'monospace',
+  # otherwise glyph tests fails
+  FONTCONFIG_FILE = makeFontsConf {
+    fontDirectories = [ freefont_ttf ];
+  };
+
+  checkInputs = [ pytest glibcLocales ];
+  propagatedBuildInputs = [ cairo cffi ] ++ lib.optional withXcffib xcffib;
+
+  checkPhase = ''
+    py.test $out/${python.sitePackages}
+  '';
+
+  patches = [
+    # OSError: dlopen() failed to load a library: gdk_pixbuf-2.0 / gdk_pixbuf-2.0-0
+    (substituteAll {
+      src = ./dlopen-paths.patch;
+      ext = stdenv.hostPlatform.extensions.sharedLibrary;
+      cairo = cairo.out;
+      glib = glib.out;
+      gdk_pixbuf = gdk_pixbuf.out;
+    })
+    ./fix_test_scaled_font.patch
+  ];
+
+  meta = with lib; {
+    homepage = https://github.com/SimonSapin/cairocffi;
+    license = licenses.bsd3;
+    maintainers = with maintainers; [];
+    description = "cffi-based cairo bindings for Python";
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/cairocffi/dlopen-paths.patch b/nixpkgs/pkgs/development/python-modules/cairocffi/dlopen-paths.patch
new file mode 100644
index 000000000000..862f7bd4bf7c
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/cairocffi/dlopen-paths.patch
@@ -0,0 +1,47 @@
+commit 705dc9a55bd160625d9996e63fc7dc532d0ad0ab
+Author: Alexander V. Nikolaev <avn@avnik.info>
+Date:   Sat Feb 6 08:09:06 2016 +0200
+
+    Patch dlopen() to allow direct paths to all required libs
+    
+    This patch is NixOS specific
+
+diff --git a/cairocffi/__init__.py b/cairocffi/__init__.py
+index 718aa7f..1a1dcff 100644
+--- a/cairocffi/__init__.py
++++ b/cairocffi/__init__.py
+@@ -27,20 +27,22 @@ VERSION = '0.7.2'
+ version = '1.10.0'
+ version_info = (1, 10, 0)
+ 
++# Use hardcoded soname, because ctypes.util use gcc/objdump which shouldn't be required for runtime
++_LIBS = {
++    'cairo': '@cairo@/lib/libcairo@ext@',
++    'glib-2.0': '@glib@/lib/libglib-2.0@ext@',
++    'gobject-2.0': '@glib@/lib/libgobject-2.0@ext@',
++    'gdk_pixbuf-2.0': '@gdk_pixbuf@/lib/libgdk_pixbuf-2.0@ext@',
++}
+ 
+-def dlopen(ffi, *names):
++def dlopen(ffi, name, *names):
+     """Try various names for the same library, for different platforms."""
+-    for name in names:
+-        for lib_name in [name, 'lib' + name]:
+-            try:
+-                path = ctypes.util.find_library(lib_name)
+-                if path:
+-                    lib = ffi.dlopen(path)
+-                    if lib:
+-                        return lib
+-            except OSError:
+-                pass
+-    raise OSError("dlopen() failed to load a library: %s" % ' / '.join(names))
++    path = _LIBS.get(name, None)
++    if path:
++        lib = ffi.dlopen(path)
++        if lib:
++            return lib
++    raise OSError("dlopen() failed to load a library: %s as %s" % (name, path))
+ 
+ 
+ cairo = dlopen(ffi, 'cairo', 'cairo-2')
diff --git a/nixpkgs/pkgs/development/python-modules/cairocffi/fix_test_scaled_font.patch b/nixpkgs/pkgs/development/python-modules/cairocffi/fix_test_scaled_font.patch
new file mode 100644
index 000000000000..39ba63cc94d1
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/cairocffi/fix_test_scaled_font.patch
@@ -0,0 +1,11 @@
+--- a/cairocffi/test_cairo.py	2016-09-01 07:52:33.303180302 +0200
++++ b/cairocffi/test_cairo.py	2016-09-01 09:06:19.595701944 +0200
+@@ -998,7 +998,7 @@
+ 
+     font = ScaledFont(ToyFontFace('monospace'))
+     _, _, _, _, x_advance_mono, y_advance = font.text_extents('i' * 10)
+-    assert x_advance_mono > x_advance
++    assert x_advance_mono >= x_advance
+     assert y_advance == 0
+     # Not much we can test:
+     # The toy font face was "materialized" into a specific backend.