vim.Options.__iter__ makes it possible to iterate over option names: i.e.

    for oname in vim.options:
        print('Global option {0} has value {1!r}'.format(oname, 
vim.options[oname]))

prints

    Global option aleph has value 224
    Global option arabicshape has value True

and so on.

vim.Options.__contains__ makes it possible to check whether some option exists:

    if 'cole' not in vim.options:
        print('Compiled without +conceal')

(note that `if 'conceallevel' in vim.options:` (full option name) will work 
even without this part due to vim.Options.__iter__. vim.Options.__contains__ is 
faster though.)

# HG changeset patch
# User ZyX <[email protected]>
# Date 1383332303 -14400
#      Fri Nov 01 22:58:23 2013 +0400
# Branch python-.options
# Node ID f332d6dfb4749c7fc7f1f4961b8e817ce3cba46b
# Parent  92c9748e0ccbc42a5e28ce8fb9b8818e756a06da
Add options iterator

diff -r 92c9748e0ccb -r f332d6dfb474 src/if_py_both.h
--- a/src/if_py_both.h  Sun Oct 06 17:46:56 2013 +0200
+++ b/src/if_py_both.h  Fri Nov 01 22:58:23 2013 +0400
@@ -2708,10 +2708,10 @@
 typedef struct
 {
     PyObject_HEAD
-    int opt_type;
-    void *from;
-    checkfun Check;
-    PyObject *fromObj;
+    int                opt_type;
+    void       *from;
+    checkfun   Check;
+    PyObject   *fromObj;
 } OptionsObject;
 
     static int
@@ -2830,6 +2830,42 @@
     }
 }
 
+typedef struct
+{
+    void       *lastoption;
+    int                opt_type;
+} optiterinfo_T;
+
+    static PyObject *
+OptionsIterNext(optiterinfo_T **oii)
+{
+    char_u     *name;
+
+    if ((name = option_iter_next(&((*oii)->lastoption), (*oii)->opt_type)))
+       return PyString_FromString(name);
+
+    return NULL;
+}
+
+    static PyObject *
+OptionsIter(OptionsObject *self)
+{
+    optiterinfo_T      *oii;
+
+    if (!(oii = PyMem_New(optiterinfo_T, 1)))
+    {
+       PyErr_NoMemory();
+       return NULL;
+    }
+
+    oii->opt_type = self->opt_type;
+    oii->lastoption = NULL;
+
+    return IterNew(oii,
+           (destructorfun) PyMem_Free, (nextfun) OptionsIterNext,
+           NULL, NULL);
+}
+
     static int
 set_option_value_err(char_u *key, int numval, char_u *stringval, int opt_flags)
 {
@@ -5879,6 +5915,7 @@
     OptionsType.tp_basicsize = sizeof(OptionsObject);
     OptionsType.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_GC;
     OptionsType.tp_doc = "object for manipulating options";
+    OptionsType.tp_iter = (getiterfunc)OptionsIter;
     OptionsType.tp_as_mapping = &OptionsAsMapping;
     OptionsType.tp_dealloc = (destructor)OptionsDestructor;
     OptionsType.tp_traverse = (traverseproc)OptionsTraverse;
diff -r 92c9748e0ccb -r f332d6dfb474 src/option.c
--- a/src/option.c      Sun Oct 06 17:46:56 2013 +0200
+++ b/src/option.c      Fri Nov 01 22:58:23 2013 +0400
@@ -8956,6 +8956,68 @@
 
     return r;
 }
+
+/*
+ * Iterate over options. First argument is a pointer to a pointer to a 
structure 
+ * inside options[] array, second is option type like in the above function.
+ *
+ * If first argument points to NULL it is assumed that iteration just started 
+ * and caller needs the very first value.
+ * If first argument points to the end marker function returns NULL and sets 
+ * first argument to NULL.
+ *
+ * Returns full option name for current option on each call.
+ */
+    char_u *
+option_iter_next(option, opt_type)
+    void       **option;
+    int                opt_type;
+{
+    struct vimoption   *ret = NULL;
+    do
+    {
+       if (*option == NULL)
+           *option = (void *) options;
+       else if (((struct vimoption *) (*option))->fullname == NULL)
+       {
+           *option = NULL;
+           return NULL;
+       }
+       else
+           *option = (void *) (((struct vimoption *) (*option)) + 1);
+
+       ret = ((struct vimoption *) (*option));
+
+       /* Hidden option */
+       if (ret->var == NULL)
+       {
+           ret = NULL;
+           continue;
+       }
+
+       switch (opt_type)
+       {
+           case SREQ_GLOBAL:
+               if (!(ret->indir == PV_NONE || ret->indir & PV_BOTH))
+                   ret = NULL;
+               break;
+           case SREQ_BUF:
+               if (!(ret->indir & PV_BUF))
+                   ret = NULL;
+               break;
+           case SREQ_WIN:
+               if (!(ret->indir & PV_WIN))
+                   ret = NULL;
+               break;
+           default:
+               EMSG2(_(e_intern2), "option_iter_next()");
+               return NULL;
+       }
+    }
+    while (ret == NULL);
+
+    return ret->fullname;
+}
 #endif
 
 /*
diff -r 92c9748e0ccb -r f332d6dfb474 src/proto/option.pro
--- a/src/proto/option.pro      Sun Oct 06 17:46:56 2013 +0200
+++ b/src/proto/option.pro      Fri Nov 01 22:58:23 2013 +0400
@@ -23,6 +23,7 @@
 char_u *check_stl_option __ARGS((char_u *s));
 int get_option_value __ARGS((char_u *name, long *numval, char_u **stringval, 
int opt_flags));
 int get_option_value_strict __ARGS((char_u *name, long *numval, char_u 
**stringval, int opt_type, void *from));
+char_u *option_iter_next __ARGS((void **option, int opt_type));
 char_u *set_option_value __ARGS((char_u *name, long number, char_u *string, 
int opt_flags));
 char_u *get_term_code __ARGS((char_u *tname));
 char_u *get_highlight_default __ARGS((void));
diff -r 92c9748e0ccb -r f332d6dfb474 src/testdir/test86.in
--- a/src/testdir/test86.in     Sun Oct 06 17:46:56 2013 +0200
+++ b/src/testdir/test86.in     Fri Nov 01 22:58:23 2013 +0400
@@ -449,6 +449,11 @@
 :py bopts1=vim.buffers[vim.bindeval("g:bufs")[2]].options
 :py bopts2=vim.buffers[vim.bindeval("g:bufs")[1]].options
 :py bopts3=vim.buffers[vim.bindeval("g:bufs")[0]].options
+:$put ='wopts iters equal: '.pyeval('list(wopts1) == list(wopts2)')
+:$put ='bopts iters equal: '.pyeval('list(bopts1) == list(bopts2)')
+:py gset=set(iter(gopts1))
+:py wset=set(iter(wopts1))
+:py bset=set(iter(bopts1))
 :set path=.,..,,
 :let lst=[]
 :let lst+=[['paste',          1,     0,     1,     2,      1,    1,      0    
]]
@@ -479,6 +484,7 @@
 :       py oval3=bool(oval3)
 :   endif
 :   put ='>>> '.oname
+:   $put ='  g/w/b:'.pyeval('oname in gset').'/'.pyeval('oname in 
wset').'/'.pyeval('oname in bset')
 :   for v in ['gopts1', 'wopts1', 'bopts1']
 :       try
 :           put ='  p/'.v.': '.Ev('repr('.v.'['''.oname.'''])')
diff -r 92c9748e0ccb -r f332d6dfb474 src/testdir/test86.ok
--- a/src/testdir/test86.ok     Sun Oct 06 17:46:56 2013 +0200
+++ b/src/testdir/test86.ok     Fri Nov 01 22:58:23 2013 +0400
@@ -101,7 +101,10 @@
 def
 bar
 jkl
+wopts iters equal: 1
+bopts iters equal: 1
 >>> paste
+  g/w/b:1/0/0
   p/gopts1: False
   p/wopts1! KeyError
   inv: 2! KeyError
@@ -122,6 +125,7 @@
   W: 1:1 2:1 3:1 4:1
   B: 1:1 2:1 3:1 4:1
 >>> previewheight
+  g/w/b:1/0/0
   p/gopts1: 12
   inv: 'a'! TypeError
   p/wopts1! KeyError
@@ -143,6 +147,7 @@
   W: 1:5 2:5 3:5 4:5
   B: 1:5 2:5 3:5 4:5
 >>> operatorfunc
+  g/w/b:1/0/0
   p/gopts1: ''
   inv: 2! TypeError
   p/wopts1! KeyError
@@ -164,6 +169,7 @@
   W: 1:'A' 2:'A' 3:'A' 4:'A'
   B: 1:'A' 2:'A' 3:'A' 4:'A'
 >>> number
+  g/w/b:0/1/0
   p/gopts1! KeyError
   inv: 0! KeyError
   gopts1! KeyError
@@ -182,6 +188,7 @@
   W: 1:1 2:1 3:0 4:0
   B: 1:1 2:1 3:0 4:0
 >>> numberwidth
+  g/w/b:0/1/0
   p/gopts1! KeyError
   inv: -100! KeyError
   gopts1! KeyError
@@ -201,6 +208,7 @@
   W: 1:3 2:5 3:2 4:8
   B: 1:3 2:5 3:2 4:8
 >>> colorcolumn
+  g/w/b:0/1/0
   p/gopts1! KeyError
   inv: 'abc4'! KeyError
   gopts1! KeyError
@@ -220,6 +228,7 @@
   W: 1:'+2' 2:'+3' 3:'+1' 4:''
   B: 1:'+2' 2:'+3' 3:'+1' 4:''
 >>> statusline
+  g/w/b:1/1/0
   p/gopts1: ''
   inv: 0! TypeError
   p/wopts1: None
@@ -237,6 +246,7 @@
   W: 1:'2' 2:'1' 3:'1' 4:'1'
   B: 1:'2' 2:'1' 3:'1' 4:'1'
 >>> autoindent
+  g/w/b:0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -255,6 +265,7 @@
   W: 1:0 2:1 3:0 4:1
   B: 1:0 2:1 3:0 4:1
 >>> shiftwidth
+  g/w/b:0/0/1
   p/gopts1! KeyError
   inv: 3! KeyError
   gopts1! KeyError
@@ -273,6 +284,7 @@
   W: 1:0 2:2 3:8 4:1
   B: 1:0 2:2 3:8 4:1
 >>> omnifunc
+  g/w/b:0/0/1
   p/gopts1! KeyError
   inv: 1! KeyError
   gopts1! KeyError
@@ -292,6 +304,7 @@
   W: 1:'A' 2:'B' 3:'' 4:'C'
   B: 1:'A' 2:'B' 3:'' 4:'C'
 >>> preserveindent
+  g/w/b:0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -310,6 +323,7 @@
   W: 1:0 2:1 3:0 4:1
   B: 1:0 2:1 3:0 4:1
 >>> path
+  g/w/b:1/0/1
   p/gopts1: '.,..,,'
   inv: 0! TypeError
   p/wopts1! KeyError
diff -r 92c9748e0ccb -r f332d6dfb474 src/testdir/test87.in
--- a/src/testdir/test87.in     Sun Oct 06 17:46:56 2013 +0200
+++ b/src/testdir/test87.in     Fri Nov 01 22:58:23 2013 +0400
@@ -416,6 +416,11 @@
 :py3 bopts1=vim.buffers[vim.bindeval("g:bufs")[2]].options
 :py3 bopts2=vim.buffers[vim.bindeval("g:bufs")[1]].options
 :py3 bopts3=vim.buffers[vim.bindeval("g:bufs")[0]].options
+:$put ='wopts iters equal: '.py3eval('list(wopts1) == list(wopts2)')
+:$put ='bopts iters equal: '.py3eval('list(bopts1) == list(bopts2)')
+:py3 gset=set(iter(gopts1))
+:py3 wset=set(iter(wopts1))
+:py3 bset=set(iter(bopts1))
 :set path=.,..,,
 :let lst=[]
 :let lst+=[['paste',          1,     0,     1,     2,      1,    1,      0    
]]
@@ -446,6 +451,7 @@
 :       py3 oval3=bool(oval3)
 :   endif
 :   put ='>>> '.oname
+:   $put ='  g/w/b:'.py3eval('oname in gset').'/'.py3eval('oname in 
wset').'/'.py3eval('oname in bset')
 :   for v in ['gopts1', 'wopts1', 'bopts1']
 :       try
 :           put ='  p/'.v.': '.Ev('repr('.v.'['''.oname.'''])')
diff -r 92c9748e0ccb -r f332d6dfb474 src/testdir/test87.ok
--- a/src/testdir/test87.ok     Sun Oct 06 17:46:56 2013 +0200
+++ b/src/testdir/test87.ok     Fri Nov 01 22:58:23 2013 +0400
@@ -90,7 +90,10 @@
 def
 bar
 jkl
+wopts iters equal: 1
+bopts iters equal: 1
 >>> paste
+  g/w/b:1/0/0
   p/gopts1: False
   p/wopts1! KeyError
   inv: 2! KeyError
@@ -111,6 +114,7 @@
   W: 1:1 2:1 3:1 4:1
   B: 1:1 2:1 3:1 4:1
 >>> previewheight
+  g/w/b:1/0/0
   p/gopts1: 12
   inv: 'a'! TypeError
   p/wopts1! KeyError
@@ -132,6 +136,7 @@
   W: 1:5 2:5 3:5 4:5
   B: 1:5 2:5 3:5 4:5
 >>> operatorfunc
+  g/w/b:1/0/0
   p/gopts1: b''
   inv: 2! TypeError
   p/wopts1! KeyError
@@ -153,6 +158,7 @@
   W: 1:'A' 2:'A' 3:'A' 4:'A'
   B: 1:'A' 2:'A' 3:'A' 4:'A'
 >>> number
+  g/w/b:0/1/0
   p/gopts1! KeyError
   inv: 0! KeyError
   gopts1! KeyError
@@ -171,6 +177,7 @@
   W: 1:1 2:1 3:0 4:0
   B: 1:1 2:1 3:0 4:0
 >>> numberwidth
+  g/w/b:0/1/0
   p/gopts1! KeyError
   inv: -100! KeyError
   gopts1! KeyError
@@ -190,6 +197,7 @@
   W: 1:3 2:5 3:2 4:8
   B: 1:3 2:5 3:2 4:8
 >>> colorcolumn
+  g/w/b:0/1/0
   p/gopts1! KeyError
   inv: 'abc4'! KeyError
   gopts1! KeyError
@@ -209,6 +217,7 @@
   W: 1:'+2' 2:'+3' 3:'+1' 4:''
   B: 1:'+2' 2:'+3' 3:'+1' 4:''
 >>> statusline
+  g/w/b:1/1/0
   p/gopts1: b''
   inv: 0! TypeError
   p/wopts1: None
@@ -226,6 +235,7 @@
   W: 1:'2' 2:'1' 3:'1' 4:'1'
   B: 1:'2' 2:'1' 3:'1' 4:'1'
 >>> autoindent
+  g/w/b:0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -244,6 +254,7 @@
   W: 1:0 2:1 3:0 4:1
   B: 1:0 2:1 3:0 4:1
 >>> shiftwidth
+  g/w/b:0/0/1
   p/gopts1! KeyError
   inv: 3! KeyError
   gopts1! KeyError
@@ -262,6 +273,7 @@
   W: 1:0 2:2 3:8 4:1
   B: 1:0 2:2 3:8 4:1
 >>> omnifunc
+  g/w/b:0/0/1
   p/gopts1! KeyError
   inv: 1! KeyError
   gopts1! KeyError
@@ -281,6 +293,7 @@
   W: 1:'A' 2:'B' 3:'' 4:'C'
   B: 1:'A' 2:'B' 3:'' 4:'C'
 >>> preserveindent
+  g/w/b:0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -299,6 +312,7 @@
   W: 1:0 2:1 3:0 4:1
   B: 1:0 2:1 3:0 4:1
 >>> path
+  g/w/b:1/0/1
   p/gopts1: b'.,..,,'
   inv: 0! TypeError
   p/wopts1! KeyError
diff -r 92c9748e0ccb -r f332d6dfb474 src/vim.h
--- a/src/vim.h Sun Oct 06 17:46:56 2013 +0200
+++ b/src/vim.h Fri Nov 01 22:58:23 2013 +0400
@@ -2239,6 +2239,7 @@
 #define SOPT_BUF       0x20    /* Option has buffer-local value */
 #define SOPT_UNSET     0x40    /* Option does not have local value set */
 
+/* Option types for various functions in option.c */
 #define SREQ_GLOBAL    0       /* Request global option */
 #define SREQ_WIN       1       /* Request window-local option */
 #define SREQ_BUF       2       /* Request buffer-local option */
# HG changeset patch
# User ZyX <[email protected]>
# Date 1383333254 -14400
#      Fri Nov 01 23:14:14 2013 +0400
# Branch python-.options
# Node ID 30090cbe7eee7d41031a85fc4680fde51805efaf
# Parent  f332d6dfb4749c7fc7f1f4961b8e817ce3cba46b
Add support for “if 'arabic' in vim.options”

diff -r f332d6dfb474 -r 30090cbe7eee src/if_py_both.h
--- a/src/if_py_both.h  Fri Nov 01 22:58:23 2013 +0400
+++ b/src/if_py_both.h  Fri Nov 01 23:14:14 2013 +0400
@@ -2830,6 +2830,33 @@
     }
 }
 
+    static int
+OptionsContains(OptionsObject *self, PyObject *keyObject)
+{
+    char_u     *key;
+    PyObject   *todecref;
+
+    if (!(key = StringToChars(keyObject, &todecref)))
+       return -1;
+
+    if (*key == NUL)
+    {
+       Py_XDECREF(todecref);
+       return 0;
+    }
+
+    if (get_option_value_strict(key, NULL, NULL, self->opt_type, NULL))
+    {
+       Py_XDECREF(todecref);
+       return 1;
+    }
+    else
+    {
+       Py_XDECREF(todecref);
+       return 0;
+    }
+}
+
 typedef struct
 {
     void       *lastoption;
@@ -3023,6 +3050,19 @@
     return ret;
 }
 
+static PySequenceMethods OptionsAsSeq = {
+    0,                                 /* sq_length */
+    0,                                 /* sq_concat */
+    0,                                 /* sq_repeat */
+    0,                                 /* sq_item */
+    0,                                 /* sq_slice */
+    0,                                 /* sq_ass_item */
+    0,                                 /* sq_ass_slice */
+    (objobjproc) OptionsContains,      /* sq_contains */
+    0,                                 /* sq_inplace_concat */
+    0,                                 /* sq_inplace_repeat */
+};
+
 static PyMappingMethods OptionsAsMapping = {
     (lenfunc)       NULL,
     (binaryfunc)    OptionsItem,
@@ -5913,6 +5953,7 @@
     vim_memset(&OptionsType, 0, sizeof(OptionsType));
     OptionsType.tp_name = "vim.options";
     OptionsType.tp_basicsize = sizeof(OptionsObject);
+    OptionsType.tp_as_sequence = &OptionsAsSeq;
     OptionsType.tp_flags = Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_GC;
     OptionsType.tp_doc = "object for manipulating options";
     OptionsType.tp_iter = (getiterfunc)OptionsIter;
diff -r f332d6dfb474 -r 30090cbe7eee src/testdir/test86.in
--- a/src/testdir/test86.in     Fri Nov 01 22:58:23 2013 +0400
+++ b/src/testdir/test86.in     Fri Nov 01 23:14:14 2013 +0400
@@ -485,6 +485,7 @@
 :   endif
 :   put ='>>> '.oname
 :   $put ='  g/w/b:'.pyeval('oname in gset').'/'.pyeval('oname in 
wset').'/'.pyeval('oname in bset')
+:   $put ='  g/w/b (in):'.pyeval('oname in gopts1').'/'.pyeval('oname in 
wopts1').'/'.pyeval('oname in bopts1')
 :   for v in ['gopts1', 'wopts1', 'bopts1']
 :       try
 :           put ='  p/'.v.': '.Ev('repr('.v.'['''.oname.'''])')
diff -r f332d6dfb474 -r 30090cbe7eee src/testdir/test86.ok
--- a/src/testdir/test86.ok     Fri Nov 01 22:58:23 2013 +0400
+++ b/src/testdir/test86.ok     Fri Nov 01 23:14:14 2013 +0400
@@ -105,6 +105,7 @@
 bopts iters equal: 1
 >>> paste
   g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: False
   p/wopts1! KeyError
   inv: 2! KeyError
@@ -126,6 +127,7 @@
   B: 1:1 2:1 3:1 4:1
 >>> previewheight
   g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: 12
   inv: 'a'! TypeError
   p/wopts1! KeyError
@@ -148,6 +150,7 @@
   B: 1:5 2:5 3:5 4:5
 >>> operatorfunc
   g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: ''
   inv: 2! TypeError
   p/wopts1! KeyError
@@ -170,6 +173,7 @@
   B: 1:'A' 2:'A' 3:'A' 4:'A'
 >>> number
   g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: 0! KeyError
   gopts1! KeyError
@@ -189,6 +193,7 @@
   B: 1:1 2:1 3:0 4:0
 >>> numberwidth
   g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: -100! KeyError
   gopts1! KeyError
@@ -209,6 +214,7 @@
   B: 1:3 2:5 3:2 4:8
 >>> colorcolumn
   g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: 'abc4'! KeyError
   gopts1! KeyError
@@ -229,6 +235,7 @@
   B: 1:'+2' 2:'+3' 3:'+1' 4:''
 >>> statusline
   g/w/b:1/1/0
+  g/w/b (in):1/1/0
   p/gopts1: ''
   inv: 0! TypeError
   p/wopts1: None
@@ -247,6 +254,7 @@
   B: 1:'2' 2:'1' 3:'1' 4:'1'
 >>> autoindent
   g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -266,6 +274,7 @@
   B: 1:0 2:1 3:0 4:1
 >>> shiftwidth
   g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 3! KeyError
   gopts1! KeyError
@@ -285,6 +294,7 @@
   B: 1:0 2:2 3:8 4:1
 >>> omnifunc
   g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 1! KeyError
   gopts1! KeyError
@@ -305,6 +315,7 @@
   B: 1:'A' 2:'B' 3:'' 4:'C'
 >>> preserveindent
   g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -324,6 +335,7 @@
   B: 1:0 2:1 3:0 4:1
 >>> path
   g/w/b:1/0/1
+  g/w/b (in):1/0/1
   p/gopts1: '.,..,,'
   inv: 0! TypeError
   p/wopts1! KeyError
diff -r f332d6dfb474 -r 30090cbe7eee src/testdir/test87.in
--- a/src/testdir/test87.in     Fri Nov 01 22:58:23 2013 +0400
+++ b/src/testdir/test87.in     Fri Nov 01 23:14:14 2013 +0400
@@ -452,6 +452,7 @@
 :   endif
 :   put ='>>> '.oname
 :   $put ='  g/w/b:'.py3eval('oname in gset').'/'.py3eval('oname in 
wset').'/'.py3eval('oname in bset')
+:   $put ='  g/w/b (in):'.py3eval('oname in gopts1').'/'.py3eval('oname in 
wopts1').'/'.py3eval('oname in bopts1')
 :   for v in ['gopts1', 'wopts1', 'bopts1']
 :       try
 :           put ='  p/'.v.': '.Ev('repr('.v.'['''.oname.'''])')
diff -r f332d6dfb474 -r 30090cbe7eee src/testdir/test87.ok
--- a/src/testdir/test87.ok     Fri Nov 01 22:58:23 2013 +0400
+++ b/src/testdir/test87.ok     Fri Nov 01 23:14:14 2013 +0400
@@ -94,6 +94,7 @@
 bopts iters equal: 1
 >>> paste
   g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: False
   p/wopts1! KeyError
   inv: 2! KeyError
@@ -115,6 +116,7 @@
   B: 1:1 2:1 3:1 4:1
 >>> previewheight
   g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: 12
   inv: 'a'! TypeError
   p/wopts1! KeyError
@@ -137,6 +139,7 @@
   B: 1:5 2:5 3:5 4:5
 >>> operatorfunc
   g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: b''
   inv: 2! TypeError
   p/wopts1! KeyError
@@ -159,6 +162,7 @@
   B: 1:'A' 2:'A' 3:'A' 4:'A'
 >>> number
   g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: 0! KeyError
   gopts1! KeyError
@@ -178,6 +182,7 @@
   B: 1:1 2:1 3:0 4:0
 >>> numberwidth
   g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: -100! KeyError
   gopts1! KeyError
@@ -198,6 +203,7 @@
   B: 1:3 2:5 3:2 4:8
 >>> colorcolumn
   g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: 'abc4'! KeyError
   gopts1! KeyError
@@ -218,6 +224,7 @@
   B: 1:'+2' 2:'+3' 3:'+1' 4:''
 >>> statusline
   g/w/b:1/1/0
+  g/w/b (in):1/1/0
   p/gopts1: b''
   inv: 0! TypeError
   p/wopts1: None
@@ -236,6 +243,7 @@
   B: 1:'2' 2:'1' 3:'1' 4:'1'
 >>> autoindent
   g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -255,6 +263,7 @@
   B: 1:0 2:1 3:0 4:1
 >>> shiftwidth
   g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 3! KeyError
   gopts1! KeyError
@@ -274,6 +283,7 @@
   B: 1:0 2:2 3:8 4:1
 >>> omnifunc
   g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 1! KeyError
   gopts1! KeyError
@@ -294,6 +304,7 @@
   B: 1:'A' 2:'B' 3:'' 4:'C'
 >>> preserveindent
   g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -313,6 +324,7 @@
   B: 1:0 2:1 3:0 4:1
 >>> path
   g/w/b:1/0/1
+  g/w/b (in):1/0/1
   p/gopts1: b'.,..,,'
   inv: 0! TypeError
   p/wopts1! KeyError
# HG changeset patch
# User ZyX <[email protected]>
# Date 1383334516 -14400
#      Fri Nov 01 23:35:16 2013 +0400
# Branch python-.options
# Node ID 6d9e09170d734470f7526584de1a0a0acaadfd78
# Parent  30090cbe7eee7d41031a85fc4680fde51805efaf
Add failure tests

diff -r 30090cbe7eee -r 6d9e09170d73 src/testdir/test86.in
--- a/src/testdir/test86.in     Fri Nov 01 23:14:14 2013 +0400
+++ b/src/testdir/test86.in     Fri Nov 01 23:35:16 2013 +0400
@@ -1080,6 +1080,13 @@
 ee('import failing')
 vim.options['rtp'] = old_rtp
 del old_rtp
+cb.append("> Options")
+cb.append(">> OptionsItem")
+ee('vim.options["abcQ"]')
+ee('vim.options[""]')
+stringtochars_test('vim.options[%s]')
+cb.append(">> OptionsContains")
+stringtochars_test('%s in vim.options')
 cb.append("> Dictionary")
 cb.append(">> DictionaryConstructor")
 ee('vim.Dictionary("abcI")')
diff -r 30090cbe7eee -r 6d9e09170d73 src/testdir/test86.ok
--- a/src/testdir/test86.ok     Fri Nov 01 23:14:14 2013 +0400
+++ b/src/testdir/test86.ok     Fri Nov 01 23:35:16 2013 +0400
@@ -524,6 +524,21 @@
 import xxx_no_such_module_xxx:ImportError:('No module named 
xxx_no_such_module_xxx',)
 import failing_import:ImportError:('No module named failing_import',)
 import failing:NotImplementedError:()
+> Options
+>> OptionsItem
+vim.options["abcQ"]:KeyError:('abcQ',)
+vim.options[""]:ValueError:('empty keys are not allowed',)
+>>> Testing StringToChars using vim.options[%s]
+vim.options[1]:TypeError:('expected str() or unicode() instance, but got int',)
+vim.options[u"\0"]:TypeError:('expected string without null bytes',)
+vim.options["\0"]:TypeError:('expected string without null bytes',)
+<<< Finished
+>> OptionsContains
+>>> Testing StringToChars using %s in vim.options
+1 in vim.options:TypeError:('expected str() or unicode() instance, but got 
int',)
+u"\0" in vim.options:TypeError:('expected string without null bytes',)
+"\0" in vim.options:TypeError:('expected string without null bytes',)
+<<< Finished
 > Dictionary
 >> DictionaryConstructor
 vim.Dictionary("abcI"):ValueError:('expected sequence element of size 2, but 
got sequence of size 1',)
diff -r 30090cbe7eee -r 6d9e09170d73 src/testdir/test87.in
--- a/src/testdir/test87.in     Fri Nov 01 23:14:14 2013 +0400
+++ b/src/testdir/test87.in     Fri Nov 01 23:35:16 2013 +0400
@@ -1031,6 +1031,13 @@
 ee('import failing')
 vim.options['rtp'] = old_rtp
 del old_rtp
+cb.append("> Options")
+cb.append(">> OptionsItem")
+ee('vim.options["abcQ"]')
+ee('vim.options[""]')
+stringtochars_test('vim.options[%s]')
+cb.append(">> OptionsContains")
+stringtochars_test('%s in vim.options')
 cb.append("> Dictionary")
 cb.append(">> DictionaryConstructor")
 ee('vim.Dictionary("abcI")')
diff -r 30090cbe7eee -r 6d9e09170d73 src/testdir/test87.ok
--- a/src/testdir/test87.ok     Fri Nov 01 23:14:14 2013 +0400
+++ b/src/testdir/test87.ok     Fri Nov 01 23:35:16 2013 +0400
@@ -513,6 +513,21 @@
 import xxx_no_such_module_xxx:(<class 'ImportError'>, ImportError('No module 
named xxx_no_such_module_xxx',))
 import failing_import:(<class 'ImportError'>, ImportError('No module named 
failing_import',))
 import failing:(<class 'NotImplementedError'>, NotImplementedError())
+> Options
+>> OptionsItem
+vim.options["abcQ"]:(<class 'KeyError'>, KeyError('abcQ',))
+vim.options[""]:(<class 'ValueError'>, ValueError('empty keys are not 
allowed',))
+>>> Testing StringToChars using vim.options[%s]
+vim.options[1]:(<class 'TypeError'>, TypeError('expected bytes() or str() 
instance, but got int',))
+vim.options[b"\0"]:(<class 'TypeError'>, TypeError('expected bytes with no 
null',))
+vim.options["\0"]:(<class 'TypeError'>, TypeError('expected bytes with no 
null',))
+<<< Finished
+>> OptionsContains
+>>> Testing StringToChars using %s in vim.options
+1 in vim.options:(<class 'TypeError'>, TypeError('expected bytes() or str() 
instance, but got int',))
+b"\0" in vim.options:(<class 'TypeError'>, TypeError('expected bytes with no 
null',))
+"\0" in vim.options:(<class 'TypeError'>, TypeError('expected bytes with no 
null',))
+<<< Finished
 > Dictionary
 >> DictionaryConstructor
 vim.Dictionary("abcI"):(<class 'ValueError'>, ValueError('expected sequence 
element of size 2, but got sequence of size 1',))
# HG changeset patch
# User ZyX <[email protected]>
# Date 1383389187 -14400
#      Sat Nov 02 14:46:27 2013 +0400
# Branch python-.options
# Node ID 0e806d83e81fdce4517e98ab55b66d8afac216bf
# Parent  6d9e09170d734470f7526584de1a0a0acaadfd78
Fix comment: it did not describe all situations when zero was returned

diff -r 6d9e09170d73 -r 0e806d83e81f src/option.c
--- a/src/option.c      Fri Nov 01 23:35:16 2013 +0400
+++ b/src/option.c      Sat Nov 02 14:46:27 2013 +0400
@@ -8833,7 +8833,8 @@
  * opt_type). Uses
  *
  * Returned flags:
- *       0 hidden or unknown option
+ *       0 hidden or unknown option, also option that does not have requested 
+ *         type (see SREQ_* in vim.h)
  *  see SOPT_* in vim.h for other flags
  *
  * Possible opt_type values: see SREQ_* in vim.h

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