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python3: Fix pyc-only related runtime exceptions

Python3 changes the pyc lookup strategy, ignoring the
__pycache__ directory if the .py file is missing. Change
install location to enable use of .pyc without their parent .py

See http://www.python.org/dev/peps/pep-3147

[Peter: add patch header]
Signed-off-by: Daniel Nelson <daniel@sigpwr.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
  (untested)
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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commit 6b340425e8af3f6f8e1489eb3550f35ee28b59b9 1 parent 08d9ac9
@sigpwr sigpwr authored Peter Korsgaard committed
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63 package/python3/python3-3.3-012-old-stdlib-cache.patch
@@ -0,0 +1,63 @@
+python3: Fix pyc-only related runtime exceptions
+
+Python3 changes the pyc lookup strategy, ignoring the
+__pycache__ directory if the .py file is missing. Change
+install location to enable use of .pyc without their parent .py
+
+See http://www.python.org/dev/peps/pep-3147
+
+Signed-off-by: Daniel Nelson <daniel@sigpwr.com>
+
+--- python3-3.3.0/configure.ac 2013-01-27 16:35:52.429067797 -0800
++++ python3-3.3.0/configure.ac 2013-01-27 16:43:43.528601443 -0800
+@@ -1827,6 +1827,23 @@
+ LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';;
+ esac
+
++STDLIB_CACHE_FLAGS=
++AC_MSG_CHECKING(for --enable-old-stdlib-cache)
++AC_ARG_ENABLE(old-stdlib-cache,
++ AS_HELP_STRING([--enable-old-stdlib-cache], [enable pre-pep3147 stdlib cache]),
++[
++ if test "$enableval" = "yes"
++ then
++ STDLIB_CACHE_FLAGS="-b"
++ else
++ STDLIB_CACHE_FLAGS=""
++ fi
++],
++[
++ STDLIB_CACHE_FLAGS=""
++])
++AC_SUBST(STDLIB_CACHE_FLAGS)
++
+ AC_MSG_CHECKING(for --enable-framework)
+ if test "$enable_framework"
+ then
+--- python3-3.3.0/Makefile.pre.in 2013-01-27 16:35:52.422067642 -0800
++++ python3-3.3.0/Makefile.pre.in 2013-01-27 16:37:03.710650439 -0800
+@@ -143,6 +143,9 @@
+ # Options to enable prebinding (for fast startup prior to Mac OS X 10.3)
+ OTHER_LIBTOOL_OPT=@OTHER_LIBTOOL_OPT@
+
++# Option to enable old-style precompiled stdlib
++STDLIB_CACHE_FLAGS=@STDLIB_CACHE_FLAGS@
++
+ # Environment to run shared python without installed libraries
+ RUNSHARED= @RUNSHARED@
+
+@@ -1079,12 +1082,12 @@
+ fi
+ -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+ $(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
+- -d $(LIBDEST) -f \
++ -d $(LIBDEST) -f $(STDLIB_CACHE_FLAGS) \
+ -x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \
+ $(DESTDIR)$(LIBDEST)
+ -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+ $(PYTHON_FOR_BUILD) -Wi $(DESTDIR)$(LIBDEST)/compileall.py \
+- -d $(LIBDEST)/site-packages -f \
++ -d $(LIBDEST)/site-packages -f $(STDLIB_CACHE_FLAGS) \
+ -x badsyntax $(DESTDIR)$(LIBDEST)/site-packages
+ -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \
+ $(PYTHON_FOR_BUILD) -m lib2to3.pgen2.driver $(DESTDIR)$(LIBDEST)/lib2to3/Grammar.txt
View
4 package/python3/python3.mk
@@ -70,6 +70,10 @@ else
PYTHON3_CONF_OPT += --with-expat=none
endif
+ifeq ($(BR2_PACKAGE_PYTHON3_PYC_ONLY),y)
+PYTHON3_CONF_OPT += --enable-old-stdlib-cache
+endif
+
ifeq ($(BR2_PACKAGE_PYTHON3_SQLITE),y)
PYTHON3_DEPENDENCIES += sqlite
endif
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