.

component/pygolang/buildout.cfg

@@ -19,6 +19,7 @@ setup-eggs =
     setuptools-dso
     gevent
 
+# gpython program
 [gpython]
 recipe  = zc.recipe.egg:scripts
 eggs    = ${pygolang:egg}
@@ -26,9 +27,35 @@ scripts = gpython
 # convenience for gpython users
 exe     = ${buildout:bin-directory}/gpython
 
+# python-interpreter provides python interpreter with all specified eggs.
+# eggs default to pygolang, but can be overwritten or changed in inherited section.
+# if eggs are changes, they must still have pygolang.
+[python-interpreter]
+recipe = zc.recipe.egg:scripts
+eggs   = ${pygolang:egg}
+interpreter = python
+# interpreter code that buildout generates cannot process `-m pytest --<pytest-option>`
+# -> use pymain from gpython to workaround that.
+initialization =
+  # set sys.executable to self, so that subprocess and friends go through us
+  # and this way spawn children with correct sys.path where all eggs that
+  # parent have are present. TODO consider migrating this into pymain
+  sys.executable = sys.argv[0]
+  # tail to pymain
+  from gpython import pymain
+  pymain(sys.argv[1:])
+  sys.exit(0)
+# don't install scripts from listed eggs (avoid conflict with other sections
+# that use zc.recipe.egg with eggs overlapping with ${:eggs} - ex neoppod)
+# (we cannot use zc.recipe.egg:eggs because interpreter does not work there)
+# NOTE with scripts=ø interpreter is not handled, so we use `scripts=python` as
+# a workaround.
+scripts = ${:interpreter}
+
 
 [versions]
-pygolang = 0.0.7.post1
+#pygolang = 0.0.7.post1   XXX reactivate
+pygolang = 0.0.7
 setuptools-dso = 1.7
 gevent = 20.9.0
 Importing = 1.10

component/wendelin.core/test-common.cfg

@@ -24,26 +24,13 @@ parts =
 
 
 # python interpreter with wendelin.core and all other eggs.
-# cannot adjust wendelin.core-dev because :interpreter does not work for zc.recipe.egg:develop
 [wendelin.core-python]
-recipe = zc.recipe.egg:scripts
-eggs   =
+<= python-interpreter
+eggs =
     wendelin.core[test]
     pygolang[pyx.build]
     neoppod[tests]
     ZEO[test]
-interpreter = python
-# interpreter code that buildout generates cannot process `-m pytest --<pytest-option>`
-# -> use pymain from gpython to workaround that
-initialization =
-  from gpython import pymain
-  pymain(sys.argv[1:])
-  sys.exit(0)
-# don't install scripts from listed eggs (avoid conflict with neoppod)
-# (we cannot use zc.recipe.egg:eggs because interpreter does not work there)
-# NOTE with scripts=ø interpreter is not handled, so we use `scripts=python` as
-# a workaround.
-scripts = python
 
 # env.sh for that python + go to be on $PATH
 [wendelin.core-env.sh]

component/zodbtools/test-common.cfg

@@ -21,15 +21,8 @@ parts =
 
 # bin/python is preinstalled with sys.path to zodbtools & friends.
 [zodbtools-python]
-recipe = zc.recipe.egg:scripts
-eggs   = zodbtools[test]
-interpreter = python
-# interpreter code that buildout generates cannot process `-m pytest --<pytest-option>`
-# -> use pymain from gpython to workaround that
-initialization =
-  from gpython import pymain
-  pymain(sys.argv[1:])
-  sys.exit(0)
+<= python-interpreter
+eggs = zodbtools[test]
 
 # env.sh for zodbtools's python to be on $PATH.
 [zodbtools-env.sh]