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Idiomatic Python bindings for Go

Home Page: http://gopy.qur.me

License: BSD 3-Clause "New" or "Revised" License

Go 83.28% Python 1.12% C 15.59%

go python

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gopy's Issues

Future Plans / Roadmap

Hey there,

I stumbled upon this project and it seems very interesting to me.
My current favorit language python teams up with my compiled choice golang.

But the last commit is kind of a long time ago (in github terms).
How about the future of this project?

Cheers
Christian

my system: ubuntu 12.04 lts desktop

root@lairdnote-Parallels:/home/lairdnote/Go/src/Hello# gccgo -v
Using built-in specs.
COLLECT_GCC=gccgo
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.7/lto-wrapper
Target: i686-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.7.2-0ubuntu3' --with-bugurl=file:///usr/share/doc/gccgo-4.7/README.Bugs --enable-languages=c,c++,go --prefix=/usr --program-suffix=-4.7 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap --enable-plugin --enable-targets=all --disable-werror --with-arch-32=i686 --with-multilib-list=m32,m64 --with-tune=generic --enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu --target=i686-linux-gnu
Thread model: posix
gcc version 4.7.2 (Ubuntu/Linaro 4.7.2-0ubuntu3)

I use this example,

http://gopy.qur.me/extensions/examples.html

test.py

import simple

simple.example("Hell", {12:True})

simple.so file is create ,
but i use python shell and test.py is have bug ,

root@lairdnote-Parallels:/home/lairdnote/Go/src/Hello# python test.py
Traceback (most recent call last):
File "test.py", line 1, in
import simple
ImportError: /usr/lib/gccgo/libgopy.ext.so: undefined symbol: libgo_math.math..import

do you think this is bug ? or I am error ..

Install on Mac OS X

I started an SVN checkout of gccgo on my Mac and after 30 minutes I gave up on waiting. Is there a more sane way of installing? As of right now, I would say the friction is too great to get real use, but this project could be massively useful in speeding up code!

"fatal error: no debug info in ELF executable" when building deb pkg on Ubuntu 14.04

This might be related to Bug 57194.

go version: go version go1.3 linux/amd64
OS: Ubuntu 14.04 AMD 64 / Linux crusher 3.13.0-36-generic #63-Ubuntu SMP Wed Sep 3 21:30:07 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

breuer@crusher:~/Downloads/gopy-0.8.0$ dpkg-buildpackage
dpkg-buildpackage: source package gopy
dpkg-buildpackage: source version 0.8.0-1raring
dpkg-buildpackage: source distribution raring
dpkg-buildpackage: source changed by Julian Phillips <[email protected]>
dpkg-buildpackage: host architecture amd64
 dpkg-source --before-build gopy-0.8.0
 fakeroot debian/rules clean
dh clean 
   dh_testdir
   dh_auto_clean
make[1]: Entering directory `/home/breuer/Downloads/gopy-0.8.0'
  CLEAN
make[1]: Leaving directory `/home/breuer/Downloads/gopy-0.8.0'
   dh_clean
 dpkg-source -b gopy-0.8.0
dpkg-source: warning: no source format specified in debian/source/format, see dpkg-source(1)
dpkg-source: info: using source format `1.0'
dpkg-source: info: building gopy in gopy_0.8.0-1raring.tar.gz
dpkg-source: info: building gopy in gopy_0.8.0-1raring.dsc
 debian/rules build
dh build 
   dh_testdir
   dh_auto_configure
   dh_auto_build
make[1]: Entering directory `/home/breuer/Downloads/gopy-0.8.0'
  GCCGO     types
  TYPES     types.sym
no debug info in ELF executable errno -1
fatal error: no debug info in ELF executable

runtime stack:
no debug info in ELF executable errno -1
panic during panic
make[1]: *** [types.sym] Error 3
make[1]: Leaving directory `/home/breuer/Downloads/gopy-0.8.0'
dh_auto_build: make -j1 returned exit code 2
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2

Compiled it under gentoo but a I have a linkage error

I made an ebuild here : https://github.com/gbin/gbin-overlay/tree/master/dev-python/gopy

It seems to compile correctly but when I try to run the example from python I have :

gbin@sal ~/projects/testpygo » gopy test.go                                
gbin@sal ~/projects/testpygo » ipython                                     
Python 2.7.3 (default, Mar 20 2013, 11:58:44) 
Type "copyright", "credits" or "license" for more information.

IPython 0.13.1 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: import simple
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-1-6de4b98437d9> in <module>()
----> 1 import simple

ImportError: /usr/lib/gccgo/libgopy.ext.so: undefined symbol: libgo_runtime.runtime.LockOSThread

If I look at the .so, indeed something is fishy, did I miss something at the link step ?

gbin@sal ~/projects/testpygo » ldd -r /usr/lib/gccgo/libgopy.ext.so
        linux-vdso.so.1 (0x00007fff9c3fd000)
        libgo.so.0 => /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/libgo.so.0 (0x00007ffe65fa1000)
        libc.so.6 => /lib64/libc.so.6 (0x00007ffe65bf6000)
        /lib64/ld-linux-x86-64.so.2 (0x00007ffe68ed0000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x00007ffe659d9000)
        libm.so.6 => /lib64/libm.so.6 (0x00007ffe656e3000)
        libgcc_s.so.1 => /usr/lib/gcc/x86_64-pc-linux-gnu/4.7.2/libgcc_s.so.1 (0x00007ffe654cd000)
undefined symbol: cgocallback   (/usr/lib/gccgo/libgopy.ext.so)
undefined symbol: go.py..import (/usr/lib/gccgo/libgopy.ext.so)
undefined symbol: libgo_runtime.runtime.LockOSThread    (/usr/lib/gccgo/libgopy.ext.so)
undefined symbol: simple_cgocallback    (/usr/lib/gccgo/libgopy.ext.so)
undefined symbol: simple_cgocall        (/usr/lib/gccgo/libgopy.ext.so)

how to iterate a frozenset?

hey, i'd like to call some code that has a frozenset, but i didn't see any good way to iterate it. is there an example?

simple.go "fatal error: DWARF underflow in .debug_info at 4"

Hey there,

playing around with it. I installed it within a docker container (ubuntu:13.10)

$ cat Dockerfile 
###### Image providing goPy
FROM ubuntu:13.10
MAINTAINER "Christian Kniep <[email protected]>"

RUN apt-get update
RUN apt-get install -y aptitude vim
RUN aptitude upgrade -y

RUN echo "deb http://gopy.qur.me/ubuntu raring main" >> /etc/apt/sources.list
RUN apt-get update
RUN aptitude -o Aptitude::Cmdline::ignore-trust-violations=true install -y gopy golang

And I got this issue:

root@3c0085b12dec:~# cat simple.go 
package simple

import (
    "fmt"
    "gopy"
)

func example(args *py.Tuple) (py.Object, error) {
    fmt.Printf("simple.example: %v\n", args)
    py.None.Incref()
    return py.None, nil
}

func init() {
    methods := []py.Method{
        {"example", example, "example function"},
    }

    _, err := py.InitModule("simple", methods)
    if err != nil {
        panic(err)
    }
}
root@3c0085b12dec:~# 
root@3c0085b12dec:~# gopy -v simple.go 
build: gccgo [-c -fPIC -o /tmp/gopy_986354972/module.o -I/usr/lib/gccgo -I/usr/local/lib/gccgo -g simple.go]
link: gcc [-fPIC -shared -o simple.so -g /tmp/gopy_986354972/module.c /tmp/gopy_986354972/module.o -L/usr/lib/gccgo -L/usr/local/lib/gccgo -lgo -lgopy -lgopy.ext -lpython2.7 -lpthread -static-libgcc]
root@3c0085b12dec:~# python -c 'import simple'
fatal error: DWARF underflow in .debug_info at 4

Any hint?
Christian

qur / gopy Goto Github PK

gopy's People

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gopy's Issues

Future Plans / Roadmap

hello , I think have a bug ,

my system: ubuntu 12.04 lts desktop

I use this example,

test.py

do you think this is bug ? or I am error ..

Install on Mac OS X

"fatal error: no debug info in ELF executable" when building deb pkg on Ubuntu 14.04

Compiled it under gentoo but a I have a linkage error

how to iterate a frozenset?

simple.go "fatal error: DWARF underflow in .debug_info at 4"

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