This seems to be distribution specific. The original python27 did not work on
my Ubuntu 18.04 because of ‘/lib64/“-assumed-location-of-python-on-host
directory problem. Which I fixed by using os.* values from python itself.
There are possibly other fedora vs ubuntu discrepancies which this patch does
not take account for.
Waldek
Sent from my iPhone
> On Aug 14, 2018, at 03:31, Nadav Har'El <n...@scylladb.com> wrote:
>
>
>> On Tue, Aug 14, 2018 at 6:42 AM, Waldemar Kozaczuk <jwkozac...@gmail.com>
>> wrote:
>> This patch renames python27 to python2x and improves it
>> by discovering Python home directory by reading sys.* variables.
>
> I committed this, but it doesn't seem to actually work for me, on Fedora 28:
>
> $ scripts/run.py -e /python
> OSv v0.51.0-15-ge54f98e6
> eth0: 192.168.122.15
> Could not find platform independent libraries <prefix>
> Could not find platform dependent libraries <exec_prefix>
> Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
> ImportError: No module named site
>
> Do we perhaps need more symbolic links? I'll try to fix this and commit
> another followup patch.
>
>
>>
>> Signed-off-by: Waldemar Kozaczuk <jwkozac...@gmail.com>
>> ---
>> python27/README | 8 --------
>> {python27 => python2x}/GET | 17 ++++++++++-------
>> {python27 => python2x}/Makefile | 0
>> python2x/README | 13 +++++++++++++
>> {python27 => python2x}/python.c | 0
>> {python27 => python2x}/usr.manifest | 0
>> 6 files changed, 23 insertions(+), 15 deletions(-)
>> delete mode 100644 python27/README
>> rename {python27 => python2x}/GET (67%)
>> rename {python27 => python2x}/Makefile (100%)
>> create mode 100644 python2x/README
>> rename {python27 => python2x}/python.c (100%)
>> rename {python27 => python2x}/usr.manifest (100%)
>>
>> diff --git a/python27/README b/python27/README
>> deleted file mode 100644
>> index 3569e47..0000000
>> --- a/python27/README
>> +++ /dev/null
>> @@ -1,8 +0,0 @@
>> -This app builds an image containing the already-compiled Python shared
>> -object (libpython2.7.so) installed on the build macine, and some of
>> -the required libraries from the build machine.
>> -
>> -Example usage:
>> -
>> -./scripts/run.py -e "/python"
>> -./scripts/run.py -e "/python -c \"aa={1:22,3:44}; print aa; print 'asdf'\""
>> diff --git a/python27/GET b/python2x/GET
>> similarity index 67%
>> rename from python27/GET
>> rename to python2x/GET
>> index 05774df..8942577 100755
>> --- a/python27/GET
>> +++ b/python2x/GET
>> @@ -1,10 +1,14 @@
>> #!/usr/bin/env bash
>> set -e
>>
>> -VERSION=2.7
>> BASEDIR=$PWD
>> ROOTFS=$BASEDIR/ROOTFS
>>
>> +PYTHON_PREFIX_DIR=`python -c 'import sys; print(sys.prefix)'`
>> +PYTHON_MAJOR_VERSION=`python -c 'import sys; print(sys.version_info.major)'`
>> +PYTHON_MINOR_VERSION=`python -c 'import sys; print(sys.version_info.minor)'`
>> +PYTHON_VERSION="${PYTHON_MAJOR_VERSION}.${PYTHON_MINOR_VERSION}"
>> +
>> install_shlibs() {
>> SHLIBS=""
>> SHLIBS+=" $ROOTFS/python.so "
>> @@ -17,23 +21,22 @@ SHLIBS_COUNT="`echo \"$SHLIBS\" | wc -l`"
>> ldd $SHLIBS | grep -Po '(?<=> )/[^ ]+' | sort | uniq | grep -Pv
>> 'lib(c|gcc|dl|m|util|rt|pthread|stdc\+\+|selinux|krb5|gssapi_krb5)\.so' |
>> xargs -I {} install {} $ROOTFS/usr/lib
>> # ROOTFS/lib/python2.7/config/libpython2.7.so is a symlink to
>> ../../libpython2.7.so,
>> # so create a valid destination to avoid ldd error due to dangling symlink.
>> -(cd $ROOTFS/lib && ln -sf ../usr/lib/libpython$VERSION.so.1.0
>> libpython$VERSION.so)
>> +(cd $ROOTFS/lib && ln -sf ../usr/lib/libpython${PYTHON_VERSION}.so.1.0
>> libpython${PYTHON_VERSION}.so)
>> echo "$SHLIBS_COUNT"
>> }
>>
>> main() {
>> mkdir -p build/
>> -gcc -o build/python.so python.c -fPIC -shared -lpython${VERSION}
>> +gcc -o build/python.so python.c -fPIC -shared -lpython${PYTHON_VERSION}
>>
>> rm -rf "$ROOTFS"
>> mkdir -p "$ROOTFS/usr/lib"
>> -mkdir -p "$ROOTFS/lib/python$VERSION"
>> +mkdir -p "$ROOTFS/lib/python${PYTHON_VERSION}"
>>
>> cp build/python.so "$ROOTFS"
>> install_shlibs
>> -# TODO /lib64/python2.7/ should not be hardcoded?
>> -PY_LIB1=/lib64/python$VERSION/
>> -rsync -a $PY_LIB1 $ROOTFS/lib/python$VERSION/ --exclude test --exclude
>> unittest \
>> +PY_LIB1="${PYTHON_PREFIX_DIR}/lib/python${PYTHON_VERSION}/"
>> +rsync -a $PY_LIB1 $ROOTFS/lib/python${PYTHON_VERSION}/ --safe-links
>> --exclude test --exclude unittest \
>> --exclude '*.pyc' --exclude '*.pyo' --exclude '*.egg-info'
>>
>> SHLIBS_COUNT4=`install_shlibs`
>> diff --git a/python27/Makefile b/python2x/Makefile
>> similarity index 100%
>> rename from python27/Makefile
>> rename to python2x/Makefile
>> diff --git a/python2x/README b/python2x/README
>> new file mode 100644
>> index 0000000..217a00b
>> --- /dev/null
>> +++ b/python2x/README
>> @@ -0,0 +1,13 @@
>> +This app builds an image containing the already-compiled Python shared
>> +object for Python 2.x (libpython2.7.so for example) installed on the build
>> macine,
>> +and some of the required libraries from the build machine.
>> +
>> +The python home directory is assumed to be installed under
>> +<sys.prefix>/lib/python<sys.version_info.major>.<sys.version_info.minor>/
>> +where sys is Python package this script reads the sys.* values from.
>> +
>> +Example usage:
>> +
>> +./scripts/run.py -e "/python"
>> +./scripts/run.py -e "/python -c \"aa={1:22,3:44}; print aa; print 'asdf'\""
>> +./scripts/run.py --api -e "/python -m SimpleHTTPServer 8000"
>> diff --git a/python27/python.c b/python2x/python.c
>> similarity index 100%
>> rename from python27/python.c
>> rename to python2x/python.c
>> diff --git a/python27/usr.manifest b/python2x/usr.manifest
>> similarity index 100%
>> rename from python27/usr.manifest
>> rename to python2x/usr.manifest
>> --
>> 2.17.1
>>
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