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
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<tr><td><span title='2023-04-21 16:16:38 +0200'>2023-04-21</span></td><td><a href='/guix/commit/tests/guix-build-branch.sh?id=37dd69b44511dc73eb04bdebe8d82c9a0386338e'>tests: Fix checks for expected failures.</a><span class='msg-avail'>...<span class='msg-tooltip'>Addresses &lt;https://issues.guix.gnu.org/62406&gt;.

With 'set -e', a return status inverted with '!' does not cause the shell to
exit immediately.  Instead use '&amp;&amp; false' to indicate an expected failure.

* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh,
tests/guix-environment-container.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-home.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh, tests/guix-refresh.sh, tests/guix-shell.sh,
tests/guix-style.sh, tests/guix-system.sh: Replace uses of '! ...' with
'... &amp;&amp; false' or `test ! ...` as appropriate.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Eric Bavier</td></tr>