diff options
| -rw-r--r-- | guix/build/python-build-system.scm | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/guix/build/python-build-system.scm b/guix/build/python-build-system.scm index 7ccc9386cf..22c4f7d38a 100644 --- a/guix/build/python-build-system.scm +++ b/guix/build/python-build-system.scm @@ -28,6 +28,8 @@ #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:export (%standard-phases + add-installed-pythonpath + site-packages python-build)) ;; Commentary: @@ -76,6 +78,24 @@ (major+minor (take components 2))) (string-join major+minor "."))) +(define (site-packages inputs outputs) + "Return the path of the current output's Python site-package." + (let* ((out (assoc-ref outputs "out")) + (python (assoc-ref inputs "python"))) + (string-append out "/lib/python" + (get-python-version python) + "/site-packages/"))) + +(define (add-installed-pythonpath inputs outputs) + "Prepend the Python site-package of OUTPUT to PYTHONPATH. This is useful +when running checks after installing the package." + (let ((old-path (getenv "PYTHONPATH")) + (add-path (site-packages inputs outputs))) + (setenv "PYTHONPATH" + (string-append add-path + (if old-path (string-append ":" old-path) ""))) + #t)) + (define* (install #:key outputs (configure-flags '()) use-setuptools? #:allow-other-keys) "Install a given Python package." |