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='2020-08-18 23:10:04 +0200'>2020-08-18</span></td><td><a href='/guix/commit/gnu/packages/patches/opensles-add-license-file.patch?id=08d048a06bf94b7b043b4ae0ef01b67c0241cb01'>gnu: Add opensles.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/audio.scm (opensles): New variable.
* gnu/packages/patches/opensles-add-license-file.patch: New file.
* gnu/local.mk (opensles-add-license-file.patch): New reference.

Signed-off-by: Danny Milosavljevic &lt;dannym@scratchpost.org&gt;
</span></span></td><td>Raghav Gururajan</td></tr>