pygolang: v↑ (0.0.0.dev4 -> 0.0.7.post1)

0.0.0.dev4 to 0.0.7.post1 goes a long way. See
https://pypi.org/project/pygolang/#pygolang-change-history for details.

Recent pygolang is needed for wendelin.core 2.
Zodbtools also uses it starting from v0.0.0.dev5.

component/pygolang/buildout.cfg

@@ -2,17 +2,44 @@
 # pygolang.nexedi.com
 
 [buildout]
+extends =
+    ../../component/cython/buildout.cfg
+
 parts =
     pygolang
+    gpython
 
 
 # pygolang installed from released egg from pypi
 [pygolang]
-recipe  = zc.recipe.egg:eggs
+recipe  = zc.recipe.egg:custom
 egg     = pygolang
+setup-eggs =
+    ${cython:egg}
+    setuptools-dso
+    gevent
+
+# gpython program
+[gpython]
+recipe  = zc.recipe.egg:scripts
+eggs    = ${pygolang:egg}
+scripts = gpython
+# convenience for gpython users
+exe     = ${buildout:bin-directory}/gpython
 
 
 [versions]
-pygolang = 0.0.0.dev4
+pygolang = 0.0.7.post1
+setuptools-dso = 1.7
+gevent = 20.9.0
+Importing = 1.10
+wheel = 0.35.1
 # pinned by stack/slapos:
 # six
+# decorator
+
+# required by gevent
+greenlet = 0.4.17
+
+# match ERP5; latest is 4.5.0
+zope.event = 3.5.2