openrazer: add python sanity check

Hopefully less issue reports because of weird python setups in the
future...

2 files changed, 10 insertions, 1 deletions

diff --git a/.SRCINFO b/.SRCINFO
index 93fa24cf80e3..e190b9cff284 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -41,4 +41,3 @@ pkgname = openrazer-meta
 	optdepends = polychromatic: frontend
 	optdepends = razergenie: qt frontend
 	optdepends = razercommander: gtk frontend
-
diff --git a/PKGBUILD b/PKGBUILD
index 6ea2acf001fc..16ec6a58bea0 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -13,6 +13,16 @@ makedepends=('python-setuptools')
 source=("https://github.com/openrazer/openrazer/releases/download/v$pkgver/openrazer-$pkgver.tar.xz")
 sha256sums=('b27a7ab459e5290f9fe4d56f49922f97ed83fc92ba2bc0154aff8c4cdd1de73f')
 
+prepare() {
+  # Do a sanity check in the environment of the builder so the build process doesn't place files into a wrong directory.
+  # If you think this is incorrect you can always remove this from the PKGBUILD, but then please don't complain if it doesn't work.
+  if [ "$(which python3)" != "/usr/bin/python3" ]; then
+    echo "ERROR: Your 'python3' does not point to /usr/bin/python3 but to $(which python3), likely a custom environment like anaconda."
+    echo "Please build this package in a clean chroot (e.g. with https://wiki.archlinux.org/title/DeveloperWiki:Building_in_a_clean_chroot) or point your PATH variable to prefer /usr/bin/ temporarily."
+    return 1
+  fi
+}
+
 package_python-openrazer() {
   pkgdesc="Python library for accessing the Razer daemon from Python."
   depends=('openrazer-daemon' 'python-numpy')