[pkg-uWSGI-devel] Bug#865224: uwsgi: ftbfs with multiple supported python3 versions
gregoa at debian.org
Tue Jul 18 09:27:56 UTC 2017
Control: clone -1 -2
Control: reassign -2 cdbs
Control: retitle -2 cdbs: python helper finds python3.5 und python3.6 but no runtime for python3.6
Control: severity -2 important
Control: affects -2 src:uwsgi
On Tue, 18 Jul 2017 00:03:10 +0000, Scott Kitterman wrote:
> On July 17, 2017 7:19:55 PM EDT, gregor herrmann <gregoa at debian.org> wrote:
> >So it looks like the cdbs python module finds a python3.6 "flavor"
> >(from py3versions) but no runtime for it.
> >Ultimately, this looks like a cdbs problem to me. Maybe we can find a
> >bandaid for uwsgi for now to tell d/rules to use only one python3
> >flavour or to not bail out of the python3.6 runtime is not detected.
(Cloning a separate bug for this issue.)
> In that case, your X-Python3-Version hack is probably the best way
> to get the Perl transition done. It'll be another RC bug against
> UWSGI once python3.6 is default, but I don't expect that soon.
Indeed, adding 'X-Python3-Version: 3.5' to debian/control's source
stanza helps. (As already mentioned by Niko earlier.)
What also seems to work is the following workaround in debian/rules:
diff -Nru uwsgi-2.0.15/debian/rules uwsgi-2.0.15/debian/rules
--- uwsgi-2.0.15/debian/rules 2017-02-20 11:40:46.000000000 +0100
+++ uwsgi-2.0.15/debian/rules 2017-07-18 08:55:03.000000000 +0200
@@ -259,9 +259,11 @@
plugin_lang_kind = $(strip \
$(if $(filter java python,$(plugin_lang)),\
$(lastword $(subst -, ,$(plugin_kind)))))
-plugin_flavors = $(strip \
- $(if $(filter python,$(plugin_lang)),\
+#workaround, cf. #865224
+#plugin_flavors = $(strip \
+# $(if $(filter python,$(plugin_lang)),\
+plugin_flavors = $(plugin_defaultflavor)
plugin_defaultflavor = $(strip \
$(if $(filter python,$(plugin_lang)),\
Then $(flavor) is later on only set to the default python versions,
i.e. python2.7 and python3.5 (tested with a strategic "echo" in one
of the loops), and the build succeeds. In practice this should brings
us back to the situation before python3.6 was added as a supported
python version in python3-defaults in June.
Maybe that's a bit less invasive and a bit more binNMU friendly than
hardcoding 'X-Python3-Version: 3.5'?
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