[OE-core] [PATCH] python3: fix failure to run python3 in a multilib env or when BASELIB != lib

[Jagadeesh Krishnanjanappa]

Ping.

Could not see the patch included in
https://patchwork.openembedded.org/project/oe/series/?ordering=-last_updated,
do I need to resend it?

Regards,
Jagadeesh

On Sat, Feb 18, 2017 at 10:29 AM, Jagadeesh Krishnanjanappa <
jkrishnanjanappa at mvista.com> wrote:

> Having hard coded "lib" string in lib_python path, searches for modules
> under /usr/lib/python3.x directory. This would result in an error on
> multilib environment, where BASELIB is other than lib.
>
> Example: On qemux86-64 with base_libdir and libdir as /lib64 and /usr/lib64
> respectively, would result in below error when python3 is executed:
> -- snip --
> root at qemux86-64:~# python3
> Could not find platform independent libraries <prefix>
> Could not find platform dependent libraries <exec_prefix>
> Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
> Fatal Python error: Py_Initialize: Unable to get the locale encoding
> ImportError: No module named 'encodings'
>
> Current thread 0x00007f65dbb53700 (most recent call first):
> Aborted
> root at qemux86-64:~#
> -- snip --
>
> Similar issue observed at:
> https://knowledge.windriver.com/en-us/000_Products/000/
> 010/040/040/000_LIN8-4040_%3A_python3_does_not_work_in_a_
> multilib_environment
>
> Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa at mvista.com>
> ---
>  ...remove-hard-coded-lib-string-for-multilib.patch | 37
> ++++++++++++++++++++++
>  meta/recipes-devtools/python/python3_3.5.2.bb      |  1 +
>  2 files changed, 38 insertions(+)
>  create mode 100644 meta/recipes-devtools/python/
> python3/python-3.5.2-remove-hard-coded-lib-string-for-multilib.patch
>
> diff --git a/meta/recipes-devtools/python/python3/python-3.5.2-
> remove-hard-coded-lib-string-for-multilib.patch b/meta/recipes-devtools/
> python/python3/python-3.5.2-remove-hard-coded-lib-string-
> for-multilib.patch
> new file mode 100644
> index 0000000..786f086
> --- /dev/null
> +++ b/meta/recipes-devtools/python/python3/python-3.5.2-
> remove-hard-coded-lib-string-for-multilib.patch
> @@ -0,0 +1,37 @@
> +Having hard coded "lib" string in lib_python path, searches for modules
> +under /usr/lib/python3.x directory. This would result in an error on
> +multilib environment, where BASELIB is other than lib.
> +
> +Example: On qemux86-64 with base_libdir and libdir as /lib64 and
> /usr/lib64
> +respectively, would result in below error when python3 is executed:
> +-- snip --
> +root at qemux86-64:~# python3
> +Could not find platform independent libraries <prefix>
> +Could not find platform dependent libraries <exec_prefix>
> +Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
> +Fatal Python error: Py_Initialize: Unable to get the locale encoding
> +ImportError: No module named 'encodings'
> +
> +Current thread 0x00007f65dbb53700 (most recent call first):
> +Aborted
> +root at qemux86-64:~#
> +-- snip --
> +
> +Note: LIB is defined with actual base_libdir used via -DLIB during
> +compilation.
> +
> +Upstream-Status: Pending
> +
> +Signed-off-by: Jagadeesh Krishnanjanappa <jkrishnanjanappa at mvista.com>
> +diff -Naurp Python-3.5.2_org/Modules/getpath.c
> Python-3.5.2/Modules/getpath.c
> +--- Python-3.5.2_org/Modules/getpath.c 2017-02-17 00:58:28.312583182
> +0530
> ++++ Python-3.5.2/Modules/getpath.c     2017-02-17 01:01:58.984805492 +0530
> +@@ -502,7 +502,7 @@ calculate_path(void)
> +     _pythonpath = Py_DecodeLocale(PYTHONPATH, NULL);
> +     _prefix = Py_DecodeLocale(PREFIX, NULL);
> +     _exec_prefix = Py_DecodeLocale(EXEC_PREFIX, NULL);
> +-    lib_python = Py_DecodeLocale("lib/python" VERSION, NULL);
> ++    lib_python = Py_DecodeLocale(LIB "/python" VERSION, NULL);
> +
> +     if (!_pythonpath || !_prefix || !_exec_prefix || !lib_python) {
> +         Py_FatalError(
> diff --git a/meta/recipes-devtools/python/python3_3.5.2.bb
> b/meta/recipes-devtools/python/python3_3.5.2.bb
> index 2ff7c9e..26f49f6 100644
> --- a/meta/recipes-devtools/python/python3_3.5.2.bb
> +++ b/meta/recipes-devtools/python/python3_3.5.2.bb
> @@ -37,6 +37,7 @@ SRC_URI += "\
>              file://configure.ac-fix-LIBPL.patch \
>              file://python3-fix-CVE-2016-1000110.patch \
>              file://upstream-random-fixes.patch \
> +            file://python-3.5.2-remove-hard-coded-lib-string-for-multilib.patch
> \
>             "
>  SRC_URI[md5sum] = "8906efbacfcdc7c3c9198aeefafd159e"
>  SRC_URI[sha256sum] = "0010f56100b9b74259ebcd5d4b295a
> 32324b58b517403a10d1a2aa7cb22bca40"
> --
> 2.7.4
>
>
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