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py-ns-dir.mk: Support __init__.py generation

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For in-tree tests, the jw package is split across several projects, and
each directory containing a py-ns-dir.mk contributes its subtree. So far,
it's up to that directory how the contribution is handled. Usually an
__init__.py with pkgutil.extend_path() is present in version control to
glue these parts together. This commit makes py-ns-dir.mk handle the
contribution method centrally by default unless PY_UPDATE_INIT_PY is set to
false.

As of this commit, this is the case by default, i.e. PY_UPDATE_INIT_PY is
set to false in py-ns-dir.mk, maintaining the current behaviour.

Downstream projects or modules can decide to have __init__.py centrally
maintained. For this, they need to remove __init__.py from version control
and set PY_UPDATE_INIT_PY to true in the respective Makefile.

PY_UPDATE_INIT_PY = false is also set explicitly in src/python/jw/Makefile,
because that file should never be generated. Bootstrapping the entire
workspace hinges on it.

Pending better testing, most notably of consistent in-tree testing
functionality, PY_UPDATE_INIT_PY = true might become a global default in
the future.

Signed-off-by: Jan Lindemann <jan@janware.com>
This commit is contained in:
Jan Lindemann 2026-09-01 11:07:21 +02:00
commit 29abf14a67
Signed by: Jan Lindemann
GPG key ID: 3750640C9E25DD61
2 changed files with 23 additions and 2 deletions
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2
src/python/jw/Makefile
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@ -1,4 +1,6 @@
TOPDIR = ../../..
PY_UPDATE_INIT_PY = false
include $(TOPDIR)/make/proj.mk
include $(JWBDIR)/make/py-ns-dir.mk