guix/gnu/packages/patches/trytond-add-guix_trytond_path.patch
Hartmut Goebel d4ecdc3328
gnu: trytond: Ensure all modules are found.
If the python package matching trytond is not installed alongside to trytond,
PYTHONPATH is not set (or pointing to a wrong version) and trytond (and the
trytond tools) would not find the trytond modules.

This change introduces a new native-search-path GUIX_TRYTOND_MODULES_PATH.
Trytond gets patched to honor this environment variable.

Thanks to Maxim Cournoyer, whose code for guix-pythonpath-search-path
was the template for guix-trytonpath-search-path.

* gnu/packages/patches/trytond-add-guix_trytond_path.patch: New file.
* gnu/local.mk: (dist_patch_DATA): Add it.
* gnu/packages/tryton.scm (trytond): Use it.
  [native-search-paths]: New element.
  (guix-trytonpath-search-path): New function.
2021-12-18 15:13:57 +01:00

26 lines
832 B
Diff

Make trytond add all paths listed in GUIX_TRYTOND_MODULES_PATH to sys.path.
*** a/trytond/modules/__init__.py 1970-01-01 01:00:01.000000000 +0100
--- b/trytond/modules/__init__.py 2021-12-02 22:17:28.014612267 +0100
***************
*** 31,36 ****
--- 31,48 ----
EGG_MODULES = {}
+ def __extend_python_path__():
+ tryton_python_path = os.environ.get("GUIX_TRYTOND_MODULES_PATH")
+ if tryton_python_path:
+ paths = [path[:-16] # remove "/trytond/modules"
+ for path in tryton_python_path.split(os.pathsep)]
+ sys.path.extend(paths)
+ # ensure new paths are in the pkg_resources WorkingSet
+ import pkg_resources
+ list(map(pkg_resources.working_set.add_entry, paths))
+
+ __extend_python_path__()
+
def update_egg_modules():
global EGG_MODULES
l