[bug#50505] [PATCH v2 03/13] gnu: Add python-glcontext.

[Daniel Meißner]

* gnu/packages/python-xyz.scm (python-glcontext): New variable.
---
 gnu/packages/python-xyz.scm | 58 +++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 659a02e7e6..09df43b41d 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -18888,6 +18888,64 @@ library.")
     (description
      "This is the Cython-coded accelerator module for PyOpenGL.")))
 
+(define-public python-glcontext
+  (package
+   (name "python-glcontext")
+   (version "2.3.4")
+   (source
+    (origin
+     (method git-fetch)
+     (uri (git-reference
+           (url "https://github.com/moderngl/glcontext";)
+           (commit version)))
+     (file-name (git-file-name name version))
+     (sha256
+      (base32
+       "1m2zkl696vqmgrd5k1c5kl0krk6qgjgsz88qhahwva0l40bswvhp"))))
+   (build-system python-build-system)
+   (arguments
+    '(#:phases
+      (modify-phases %standard-phases
+        (add-before 'build 'fix-lib-paths
+          (lambda* (#:key inputs outputs #:allow-other-keys)
+            (let ((mesa (assoc-ref inputs "mesa"))
+                  (libx11 (assoc-ref inputs "libx11")))
+              (substitute* '("glcontext/x11.cpp" "glcontext/egl.cpp")
+                (("\"libGL.so\"")
+                 (string-append "\"" mesa  "/lib/libGL.so\""))
+                (("\"libEGL.so\"")
+                 (string-append "\"" mesa "/lib/libEGL.so\""))
+                (("\"libX11.so\"")
+                 (string-append "\"" libx11 "/lib/libX11.so\"")))
+              (substitute* '("glcontext/__init__.py")
+                (("find_library\\('GL'\\)")
+                 (string-append "'" mesa "/lib/libGL.so'"))
+                (("find_library\\('EGL'\\)")
+                 (string-append "'" mesa "/lib/libEGL.so'"))
+                (("find_library\\(\"X11\"\\)")
+                 (string-append "'" libx11 "/lib/libX11.so'"))))))
+        (add-before 'check 'prepare-x
+          (lambda _
+            (system "Xvfb :1 &")
+            (setenv "DISPLAY" ":1")))
+        (replace 'check
+          (lambda* (#:key inputs outputs tests? #:allow-other-keys)
+            (when tests?
+              (add-installed-pythonpath inputs outputs)
+              (invoke "pytest" "tests")))))))
+   (inputs
+    `(("libx11" ,libx11)
+      ("mesa" ,mesa)))
+   (native-inputs
+    `(("xorg-server" ,xorg-server-for-tests)
+      ("python-pytest" ,python-pytest)
+      ("python-psutil" ,python-psutil)))
+   (home-page "https://github.com/moderngl/glcontext";)
+   (synopsis "Portable OpenGL Context for ModernGL")
+   (description "Python-glcontext is a library providing an OpenGL
+implementation for ModernGL on multiple platforms.")
+   (license license:expat)))
+
 (define-public python-rencode
   (package
    (name "python-rencode")
-- 
2.33.0