gnu: python-brille: Move to (gnu packages physics).

* gnu/packages/python-science.scm (python-brille): Move from here…
* gnu/packages/physics.scm (python-brille): …to here.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add reference to that file.
* etc/teams.scm (science): Add reference to that file.

Change-Id: I207940441fb4406fb034d5582ba9f5517544179b

5 files changed, 122 insertions, 77 deletions

diff --git a/CODEOWNERS b/CODEOWNERS
index 83b3dafbddd..66ffe554962 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -373,6 +373,7 @@ gnu/packages/graph\.scm                            @guix/science
 gnu/packages/lean\.scm                             @guix/science
 gnu/packages/maths\.scm                            @guix/science
 gnu/packages/medical\.scm                          @guix/science
+gnu/packages/physics\.scm                          @guix/science
 gnu/packages/sagemath\.scm                         @guix/science
 gnu/packages/statistics\.scm                       @guix/science
 
diff --git a/etc/teams.scm b/etc/teams.scm
index 2445c25aa88..58c05282efe 100755
--- a/etc/teams.scm
+++ b/etc/teams.scm
@@ -1044,6 +1044,7 @@ packages (e.g. Astronomy, Chemistry, Math, Physics etc.)"
                       "gnu/packages/lean.scm"
                       "gnu/packages/maths.scm"
                       "gnu/packages/medical.scm"
+                      "gnu/packages/physics.scm"
                       "gnu/packages/sagemath.scm"
                       "gnu/packages/statistics.scm")))
 
diff --git a/gnu/local.mk b/gnu/local.mk
index c7f45dd4d24..13d878373f9 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -549,6 +549,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/phabricator.scm                  \
   %D%/packages/php.scm                          \
   %D%/packages/php-xyz.scm                      \
+  %D%/packages/physics.scm                      \
   %D%/packages/piet.scm                 \
   %D%/packages/diagram.scm                      \
   %D%/packages/pkg-config.scm                   \
diff --git a/gnu/packages/physics.scm b/gnu/packages/physics.scm
new file mode 100644
index 00000000000..4847e430956
--- /dev/null
+++ b/gnu/packages/physics.scm
@@ -0,0 +1,119 @@
+;;; Copyright © 2026 Danny Milosavljevic <dannym@friendly-machines.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages physics)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix build-system cmake)
+  #:use-module (guix build-system pyproject)
+  #:use-module ((guix build-system python) #:select (pypi-uri))
+  #:use-module (guix build-system qt)
+  #:use-module (guix download)
+  #:use-module (guix gexp)
+  #:use-module (guix git-download)
+  #:use-module (guix packages)
+  #:use-module (guix utils)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages check)
+  #:use-module (gnu packages cmake)
+  #:use-module (gnu packages maths)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages python-build)
+  #:use-module (gnu packages python-check)
+  #:use-module (gnu packages python-compression)
+  #:use-module (gnu packages python-crypto)
+  #:use-module (gnu packages python-graphics)
+  #:use-module (gnu packages python-science)
+  #:use-module (gnu packages python-web)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages qt))
+
+(define-public python-brille
+  (package
+    (name "python-brille")
+    (version "0.8.3")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/brille/brille")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1vyxa7k6yrpxizbmljrv7bnsf7dzxsfbs4id36x09jjxwh7dysjj"))))
+    (build-system cmake-build-system)
+    (arguments
+     (list
+      #:configure-flags
+      #~(list
+              ;; Boost.System is header-only since 1.69, but FindBoost looks for
+              ;; libboost_system.so which doesn't exist.
+              "-DHIGHFIVE_USE_BOOST=OFF"
+              ;; Pretend we're doing a scikit-build build to skip Conan.
+              "-DSKBUILD=ON"
+              (string-append "-DSKBUILD_PROJECT_NAME=brille")
+              (string-append "-DSKBUILD_PROJECT_VERSION=" #$version))
+      #:imported-modules `(,@%cmake-build-system-modules
+                           ,@%pyproject-build-system-modules)
+      #:modules '((guix build cmake-build-system)
+                  ((guix build python-build-system) #:select (site-packages))
+                  (guix build utils))
+      #:phases
+      (with-extensions (list (pyproject-guile-json))
+        #~(modify-phases %standard-phases
+            (add-after 'unpack 'create-pkg-info
+              (lambda _
+                ;; Create PKG-INFO so DynamicVersion.cmake finds version without git.
+                (call-with-output-file "PKG-INFO"
+                  (lambda (port)
+                    (format port "Metadata-Version: 2.1
+Name: brille
+Version: ~a
+" #$version)))))
+            (add-before 'configure 'set-version
+              (lambda _
+                (setenv "SETUPTOOLS_SCM_PRETEND_VERSION" #$version)))
+            (add-after 'install 'install-python
+              (lambda* (#:key inputs outputs #:allow-other-keys)
+                (let ((site-packages (site-packages inputs outputs)))
+                  (mkdir-p (string-append site-packages "/brille"))
+                  ;; Install Python source files and compiled extension module.
+                  (for-each (lambda (file)
+                              (install-file file
+                                            (string-append site-packages "/brille")))
+                            (append
+                             (find-files "../source/brille" "\\.py$")
+                             (find-files "." "^_brille\\..*\\.so$"))))))))))
+    (native-inputs
+     (list catch2-3
+           cmake-minimal
+           highfive
+           pybind11
+           python-wrapper
+           python-setuptools
+           python-setuptools-scm))
+    (inputs
+     (list hdf5))
+    (propagated-inputs
+     (list python-numpy))
+    (home-page "https://github.com/brille/brille")
+    (synopsis "Symmetry operations and interpolation in Brillouin zones")
+    (description
+     "Brille is a C++ library for symmetry operations and linear interpolation
+within an irreducible part of the first Brillouin zone.  It provides Python
+bindings via pybind11 for use in phonon calculations and inelastic neutron
+scattering simulations.")
+    (license license:agpl3+)))
diff --git a/gnu/packages/python-science.scm b/gnu/packages/python-science.scm
index 798ad52e9e3..aded33595fe 100644
--- a/gnu/packages/python-science.scm
+++ b/gnu/packages/python-science.scm
@@ -6498,83 +6498,6 @@ Python style, together with a fast and comfortable execution environment.")
            python-setuptools
            python-wheel))))
 
-(define-public python-brille
-  (package
-    (name "python-brille")
-    (version "0.8.3")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/brille/brille")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32 "1vyxa7k6yrpxizbmljrv7bnsf7dzxsfbs4id36x09jjxwh7dysjj"))))
-    (build-system cmake-build-system)
-    (arguments
-     (list
-      #:configure-flags
-      #~(list
-              ;; Boost.System is header-only since 1.69, but FindBoost looks for
-              ;; libboost_system.so which doesn't exist.
-              "-DHIGHFIVE_USE_BOOST=OFF"
-              ;; Pretend we're doing a scikit-build build to skip Conan.
-              "-DSKBUILD=ON"
-              (string-append "-DSKBUILD_PROJECT_NAME=brille")
-              (string-append "-DSKBUILD_PROJECT_VERSION=" #$version))
-      #:imported-modules `(,@%cmake-build-system-modules
-                           ,@%pyproject-build-system-modules)
-      #:modules '((guix build cmake-build-system)
-                  ((guix build python-build-system) #:select (site-packages))
-                  (guix build utils))
-      #:phases
-      (with-extensions (list (pyproject-guile-json))
-        #~(modify-phases %standard-phases
-            (add-after 'unpack 'create-pkg-info
-              (lambda _
-                ;; Create PKG-INFO so DynamicVersion.cmake finds version without git.
-                (call-with-output-file "PKG-INFO"
-                  (lambda (port)
-                    (format port "Metadata-Version: 2.1
-Name: brille
-Version: ~a
-" #$version)))))
-            (add-before 'configure 'set-version
-              (lambda _
-                (setenv "SETUPTOOLS_SCM_PRETEND_VERSION" #$version)))
-            (add-after 'install 'install-python
-              (lambda* (#:key inputs outputs #:allow-other-keys)
-                (let ((site-packages (site-packages inputs outputs)))
-                  (mkdir-p (string-append site-packages "/brille"))
-                  ;; Install Python source files and compiled extension module.
-                  (for-each (lambda (file)
-                              (install-file file
-                                            (string-append site-packages "/brille")))
-                            (append
-                             (find-files "../source/brille" "\\.py$")
-                             (find-files "." "^_brille\\..*\\.so$"))))))))))
-    (native-inputs
-     (list catch2-3
-           cmake-minimal
-           highfive
-           pybind11
-           python-wrapper
-           python-setuptools
-           python-setuptools-scm))
-    (inputs
-     (list hdf5))
-    (propagated-inputs
-     (list python-numpy))
-    (home-page "https://github.com/brille/brille")
-    (synopsis "Symmetry operations and interpolation in Brillouin zones")
-    (description
-     "Brille is a C++ library for symmetry operations and linear interpolation
-within an irreducible part of the first Brillouin zone.  It provides Python
-bindings via pybind11 for use in phonon calculations and inelastic neutron
-scattering simulations.")
-    (license license:agpl3+)))
-
 (define-public python-spglib
   (package
     (name "python-spglib")