Ingo Karkat wrote:
> On 29-Jun-2012 12:55:10 +0200, Bram Moolenaar wrote:
>
> > Patch 7.3.569
> > Problem: Evaluating Vim expression in Python is insufficient.
> > Solution: Add vim.bindeval(). Also add pyeval() and py3eval(). (ZyX)
> > Files: runtime/doc/eval.txt, runtime/doc/if_pyth.txt, src/eval.c,
> > src/if_lua.c, src/if_py_both.h, src/if_python.c, src/if_python3.c,
> > src/proto/eval.pro, src/proto/if_python.pro,
> > src/proto/if_python3.pro, src/testdir/Make_amiga.mak,
> > src/testdir/Make_dos.mak, src/testdir/Make_ming.mak,
> > src/testdir/Make_os2.mak, src/testdir/Makefile,
> > src/testdir/test86.in, src/testdir/test86.ok,
> > src/testdir/test87.in, src/testdir/test87.ok
> >
> > [...]
> > + capsule = PyCapsule_New(tv, NULL, NULL);
> > + PyDict_SetItemString(lookupDict, hexBuf, capsule);
> > + Py_DECREF(capsule);
> > + if (py_to_tv(obj, tv, lookupDict) == -1)
> > + {
> > + tv->v_type = VAR_UNKNOWN;
> > + return -1;
> > + }
> > + /* As we are not using copy_tv which increments reference count we must
> > + * do it ourself. */
> > + switch(tv->v_type)
> > + {
> > + case VAR_DICT: ++tv->vval.v_dict->dv_refcount; break;
> > + case VAR_LIST: ++tv->vval.v_list->lv_refcount; break;
> > + }
> > + }
> > + else
> > + {
> > + typval_T *v = PyCapsule_GetPointer(capsule, NULL);
> > [...]
>
> After this patch, Vim fails to compile on my (admittedly, outdated, but useful
> as a minimal Portable Ubuntu instance running on a Windows Laptop) Ubuntu
> 10.04
> system, whereas it previously compiled (the big version) just fine. If this
> means that I have to upgrade my system or drop Python support, I would be fine
> with that; I was just surprised that this broke without further notice.
>
> link.sh: $LINK_AS_NEEDED set to 'yes': invoking linker directly.
> gcc -L. -Wl,-Bsymbolic-functions -rdynamic -Wl,-export-dynamic -Wl,-E
> -L/usr/local/lib -Wl,--as-needed -o vim objects/buffer.o
> objects/blowfish.o
> objects/charset.o objects/diff.o objects/digraph.o objects/edit.o
> objects/eval.o
> objects/ex_cmds.o objects/ex_cmds2.o objects/ex_docmd.o objects/ex_eval.o
> objects/ex_getln.o objects/fileio.o objects/fold.o objects/getchar.o
> objects/hardcopy.o objects/hashtab.o objects/if_cscope.o objects/if_xcmdsrv.o
> objects/mark.o objects/memline.o objects/menu.o objects/message.o
> objects/misc1.o objects/misc2.o objects/move.o objects/mbyte.o
> objects/normal.o
> objects/ops.o objects/option.o objects/os_unix.o objects/pathdef.o
> objects/popupmnu.o objects/quickfix.o objects/regexp.o objects/screen.o
> objects/search.o objects/sha256.o objects/spell.o objects/syntax.o
> objects/tag.o objects/term.o objects/ui.o objects/undo.o objects/version.o
> objects/window.o objects/gui.o objects/gui_gtk.o objects/gui_gtk_x11.o
> objects/pty.o objects/gui_gtk_f.o objects/gui_beval.o objects/if_perl.o
> objects/if_perlsfio.o objects/if_python.o objects/py_config.o
> objects/if_ruby.o objects/netbeans.o objects/main.o objects/memfile.o
> -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangocairo-1.0
> -lpango-1.0 -lcairo -lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0 -lSM -lICE
> -lXpm -lXt -lX11 -lXdmcp -lSM -lICE -lm -lncurses -lnsl -lselinux -Wl,-E
> -L/usr/local/lib /usr/lib/perl/5.8/auto/DynaLoader/DynaLoader.a
> -L/usr/lib/perl/5.8/CORE -lperl -ldl -lm -lpthread -lcrypt
> -L/usr/lib/python2.5/config -lpython2.5 -lpthread -ldl -lutil -lm -Xlinker
> -export-dynamic -Wl,-O1 -Wl,-Bsymbolic-functions -lruby1.8 -lpthread -ldl
> -lcrypt -lm -L/usr/lib
> objects/if_python.o: In function `convert_dl':
> /home/inkarkat/swdev/vim/vim/src/if_py_both.h:2461: undefined reference to
> `PyCapsule_GetPointer'
> /home/inkarkat/swdev/vim/vim/src/if_py_both.h:2443: undefined reference to
> `PyCapsule_New'
> collect2: ld returned 1 exit status
> link.sh: Linking failed
> make[1]: *** [vim] Error 1
> make[1]: Leaving directory `/home/inkarkat/swdev/vim/vim/src'
> make: *** [first] Error 2
>
> $ python --version
> Python 2.5.2
>
> $ uname -a
> Linux pubuntu 2.6.22.18-co-0.7.3 #1 PREEMPT Sat May 24 22:27:30 UTC 2008 i686
> GNU/Linux
It appears PyCapsule_GetPointer is new in Python 2.7. We should support
Python 2.5.
It is only used in convert_dl(). Perhaps there is another way to do the
same for older Python versions?
--
Q: How many legs does a giraffe have?
A: Eight: two in front, two behind, two on the left and two on the right
/// Bram Moolenaar -- b...@moolenaar.net -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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