python3: add patch to fix PEP 3147 issue with automake built packages

Packages built with automake use a `py-compile` helper to byte-compile
Python source files. This script uses the "py_compile" module from the
standard library. In turn, the compile() function in the "py_compile"
module invokes the cache_from_source() function provided by importlib.

This commit adds a new patch named "020-importlib-no-pep3147.patch"
that changes cache_from_source() and source_from_cache() in importlib
to get rid of the "__pycache__" directory.

This commit fixes the following import error in kmod when the module
is built for Python 3:

  >>> from kmod import Kmod
  Traceback (most recent call last):
    File "<stdin>", line 1, in <module>
  ImportError: cannot import name 'Kmod'

Moreover, this commit removes two patches that are no longer necessary
since modifying cache_from_source() and source_from_cache() disables
PEP 3147 for the standard library and distutils / setuptools.

 * 004-old-stdlib-cache.patch
 * 016-distutils-no-pep3147.patch

Signed-off-by: Christophe Vu-Brugier <cvubrugier@fastmail.fm>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

1 files changed, 0 insertions, 78 deletions

diff --git a/package/python3/004-old-stdlib-cache.patch b/package/python3/004-old-stdlib-cache.patch
deleted file mode 100644
index 9ed7e59a9b..0000000000
--- a/package/python3/004-old-stdlib-cache.patch
+++ /dev/null
@@ -1,78 +0,0 @@
-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>
-
-Index: b/configure.ac
-===================================================================
---- a/configure.ac
-+++ b/configure.ac
-@@ -352,6 +352,23 @@
- AC_SUBST(FRAMEWORKUNIXTOOLSPREFIX)
- AC_SUBST(FRAMEWORKINSTALLAPPSPREFIX)
- 
-+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 "$enableval" = "yes"
-+    then
-+        STDLIB_CACHE_FLAGS="-b"
-+    else
-+        STDLIB_CACHE_FLAGS="" 
-+    fi
-+],
-+[
-+    STDLIB_CACHE_FLAGS="" 
-+])
-+AC_SUBST(STDLIB_CACHE_FLAGS)
-+
- ##AC_ARG_WITH(dyld,
- ##            AS_HELP_STRING([--with-dyld],
- ##                           [Use (OpenStep|Rhapsody) dynamic linker]))
-Index: b/Makefile.pre.in
-===================================================================
---- a/Makefile.pre.in
-+++ b/Makefile.pre.in
-@@ -162,6 +162,9 @@
- # Options to enable prebinding (for fast startup prior to Mac OS X 10.3)
- OTHER_LIBTOOL_OPT=@OTHER_LIBTOOL_OPT@
- 
-+# Option to enable old-style precompiled stdlib
-+STDLIB_CACHE_FLAGS=@STDLIB_CACHE_FLAGS@
-+
- # Environment to run shared python without installed libraries
- RUNSHARED=       @RUNSHARED@
- 
-@@ -1247,21 +1250,21 @@
- 	fi
- 	-PYTHONPATH=$(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 -O $(DESTDIR)$(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) -Wi -O $(DESTDIR)$(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