wmingjian / pyv8 Goto Github PK

0.0 1.0 0.0 1.5 MB

Automatically exported from code.google.com/p/pyv8

Python 44.64% JavaScript 15.00% HTML 0.05% Shell 0.02% C++ 40.18% DTrace 0.12%

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Please refer to http://code.google.com/p/pyv8/ for more detail

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pyv8's Issues

testUnicode fails on Debian Lenny

FAIL: testUnicode (__main__.TestWrapper)
Traceback (most recent call last):
  File "PyV8.py", line 839, in testUnicode
    self.assertEquals(2, func(u"测试"))
AssertionError: 2 != 1

Debian Lenny AMD64.
Python 2.5.2

Original issue reported on code.google.com by [email protected] on 9 Sep 2009 at 4:11

Merged into: #9

svn r225 does not build with v8 svn r365

gauss@pmain:~/Projects/pyv8$ python setup.py bdist
running bdist
running bdist_dumb
running build
running build_py
running build_ext
building '_PyV8' extension
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-
prototypes -fPIC -DBOOST_PYTHON_STATIC_LIB -DV8_NATIVE_REGEXP -
DENABLE_DISASSEMBLER -DENABLE_LOGGING_AND_PROFILING -
DENABLE_DEBUGGER_SUPPORT -DV8_TARGET_ARCH_IA32 -
I/home/gauss/Projects/v8/include -I/home/gauss/Projects/v8 -
I/home/gauss/Projects/v8/src -I/usr/include/python2.6 -c src/PyV8.cpp -o 
build/temp.linux-i686-2.6/src/PyV8.o
cc1plus: warning: command line option "-Wstrict-prototypes" is valid for 
Ada/C/ObjC but not for C++
In file included from /home/gauss/Projects/v8/src/objects-inl.h:40,
                 from /home/gauss/Projects/v8/src/v8.h:66,
                 from src/AST.h:4,
                 from src/PyV8.cpp:8:
/home/gauss/Projects/v8/src/conversions-inl.h: In function 'double 
v8::internal::DoubleToInteger(double)':
/home/gauss/Projects/v8/src/conversions-inl.h:64: error: 'isfinite' was not 
declared in this scope
/home/gauss/Projects/v8/src/conversions-inl.h: In function 'int32_t 
v8::internal::DoubleToInt32(double)':
/home/gauss/Projects/v8/src/conversions-inl.h:86: error: 'isfinite' was not 
declared in this scope
error: command 'gcc' failed with exit status 1

Original issue reported on code.google.com by [email protected] on 25 Jan 2010 at 7:40

[patch] Allow linking with boost_python_mt

This patch adds new parameter BOOST_PYTHON_MT to build system. If it 
evaluates to True, pyv8 links to libboost_python-mt else libbboost_python. 
It's needed for current Ubuntu Karmic. Need to verify on other platforms.

Original issue reported on code.google.com by [email protected] on 25 Jan 2010 at 7:31

Attachments:

boost_python_mt.patch

AttributeError: 'Boost.Python.StaticProperty' object attribute 'doc' is read-only

What steps will reproduce the problem?
1. Install PyV8-0.7.1.win32-py2.6 under Windows 7
2. Open the Python interpreter
3. import PyV8

What is the expected output? 
No error.

What do you see instead?
ActivePython 2.6.3.7 (ActiveState Software Inc.) based on
Python 2.6.3 (r263:75183, Oct  5 2009, 14:41:55) [MSC v.1500 32 bit 
(Intel)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import PyV8
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Languages\Python26\lib\site-packages\PyV8.py", line 8, in 
<module>
    import _PyV8
AttributeError: 'Boost.Python.StaticProperty' object attribute '__doc__' is 
read-only

What version of the product are you using? On what operating system?
PyV8-0.7.1.win32-py2.6 under Win7 RC.

Please provide any additional information below.
The same version of PyV8 works fine under WinXP SP3.

Original issue reported on code.google.com by [email protected] on 10 Dec 2009 at 8:02

Segmentation fault

What steps will reproduce the problem?
On Ubuntu 8.04
1a. Use svn checkout http://v8.googlecode.com/svn/trunk/ v8
 or
1b. Use svn checkout http://v8.googlecode.com/svn/branches/bleeding_edge/ v8
2. Use svn checkout http://pyv8.googlecode.com/svn/trunk/ pyv8-read-only
3. apt-get install install libboost-python-dev
4. apt-get install scons
5. Compile v8 with 'scons' (no arguments)
6. Copy v8-debug.h, v8.h and libv8.a to the lib/v8/*/
7. python setup.py build
8. cd build/lib.linux-i686-2.5/
9. python
Python 2.5.2 (r252:60911, Jul 31 2008, 17:28:52)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu7)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import PyV8
>>> e = PyV8.JSEngine(object())
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
Boost.Python.ArgumentError: Python argument types in
   JSEngine.__init__(JSEngine, object)
did not match C++ signature:
   __init__(_object*)
>>> e = PyV8.JSEngine()
>>> e.eval()
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
AttributeError: 'JSEngine' object has no attribute 'eval'
>>> e.compile()
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
Boost.Python.ArgumentError: Python argument types in
   JSEngine.compile(JSEngine)
did not match C++ signature:
   compile(CEngine {lvalue}, std::string source, std::string name='',
int line=-1, int col=-1)
>>> e.compile('a=1')
Segmentation fault


What is the expected output? What do you see instead?
Anything but 'Segmentation fault'

What version of the product are you using? On what operating system?
svn versions on Ubuntu 8.04

Please provide any additional information below.

The PyV8.JSEngine().eval() is not available which is used in the pyjamas
pyv8/pyv8run.py example.

Original issue reported on code.google.com by [email protected] on 20 Jun 2009 at 12:39

weird crash

What steps will reproduce the problem?
1. i'd attached the example code
2.
3.

What is the expected output? What do you see instead?
Print from 0-999 and nothing. Instead i get a crash after 999.

What version of the product are you using? On what operating system?
PyV8 0.8 (win32-2.6 with python 2.6-win32 on x64 machine)

Please provide any additional information below.

Original issue reported on code.google.com by [email protected] on 22 Feb 2010 at 2:59

Attachments:

test_pyv8.py

_PyV8.JSFunction != None results in segmentation fault.

    def testFunction(self):
        with JSContext() as ctxt:
            func = ctxt.eval("""
                function()
                {
                    function a()
                    {
                        return "abc";    
                    }

                    return a();    
                };
                """)
            if func is not None: # ok
                pass
            if func != None: # segmentation fault
                pass
            self.assertEquals("abc", str(func()))

Original issue reported on code.google.com by [email protected] on 31 Aug 2009 at 12:51

Segfault when trying to create JS functions from Python objects with call

What I'm trying achieve is to provide a mock jQuery object to V8, which is
both a function and has methods/properties. I may be doing something wrong,
since I've just started learning about V8 and PyV8. Anyways, I've gotten
the issue down to the following test case, which segfaults on Ubuntu Karmic
with the latest PyV8 from SVN (boost is 1.40).

Python 2.6.4 (r264:75706, Dec  7 2009, 18:45:15)
[GCC 4.4.1] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import PyV8
>>> class JQuery(object):
...     def __call__(self, *args, **kwargs):
...         print '__call__():', args, kwargs
...     def test(self, *args, **kwargs):
...         print 'test():', args, kwargs
...
>>> globals = PyV8.JSClass()
>>> setattr(globals, '$', JQuery())
>>>
>>> with PyV8.JSContext(globals) as ctx:
...     ctx.eval('$.test("calling", "test")');
...     ctx.eval('$("calling", "__call__")');
...
test(): ('calling', 'test') {}
Segmentation fault

So $.test() works fine, but $() doesn't; is there a better way to be doing
this?

Original issue reported on code.google.com by sciyoshi on 30 Dec 2009 at 12:49

Return context.eval() result as Python dict

First of all, pyv8 is awesome fast! Thank you for providing this wrapper.

I stumbled upon a problem with the result of the contect.eval() method. It 
returns a JSArray instead 
of a Python dict. Is there a way to convert this JSArray object into a dict? 
Wrapping the result with 
the dict() function ends in a segfault.

I even haven't found a way to list all keys of the JSArray to iterate over this 
object and create a dict 
by myself. I would like to convert the pyv8 result to a json. Maybe there is 
already an easy way to do 
this?

Thanks in advance and keep this great piece of code up.

Marc

Original issue reported on code.google.com by [email protected] on 5 May 2009 at 7:56

Crash when a JSExtension has no more references

What steps will reproduce the problem?
1. Run this script:
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
import PyV8
ext1 = PyV8.JSExtension("ext1/javascript", str("function hello1(){1+1}"))
# XXX: now we remove the reference to the first JSExtension
ext1 = 123
js_context = PyV8.JSContext()
print ext1
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

What is the expected output? What do you see instead?
Expected: "123" is printed
Instead: Python.exe crashes. The call stack is something like:

-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
msvcr80d.dll!strlen(unsigned char * buf=0x08466358)  Line 69Asm
_PyV8_d.pyd!v8::internal::StrLength()  + 0xd bytes
_PyV8_d.pyd!v8::internal::CStrVector()  + 0xc bytes
_PyV8_d.pyd!v8::internal::Genesis::InstallExtension()  + 0x104 bytes
_PyV8_d.pyd!v8::internal::Genesis::InstallExtensions()  + 0x5e bytes
_PyV8_d.pyd!v8::internal::Genesis::Genesis()  + 0xec bytes
_PyV8_d.pyd!v8::internal::Bootstrapper::CreateEnvironment()  + 0x1a bytes
_PyV8_d.pyd!v8::Context::New()  + 0x1db bytes
_PyV8_d.pyd!CContext::CContext(boost::python::api::object global={...},
boost::python::list extensions={...})  Line 75 + 0x31 bytes
-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-


What version of the product are you using? On what operating system?
PyV8 v09 for Python 2.6
Vista 32bits

Original issue reported on code.google.com by [email protected] on 18 Mar 2010 at 9:38

Fix for issue #18 (commit 185) caused regression

Seems like the fix that was committed for issue #18 broke some other
things. I'm not able to come up with a test case for it, but seems the
problem is that __[gs]et__ is only called on the attributes of the object's
type, so that [gs]etattr(obj, name, property) won't do the right thing.
I've added to the testcase to show the problem, along with a fix (which
reverts #185 and instead fixes it from the Python side).

Original issue reported on code.google.com by sciyoshi on 31 Dec 2009 at 7:29

Attachments:

fix19.patch

define[GS]etter works differently for Python objects

While trying to port env.js to v8, ran into this issue. Here t1 is defined
in JS, t2 in Python with JSClass(), but __defineGetter__ for t2 returns the
unbound property object:

Python 2.6.4 (r264:75706, Dec  7 2009, 18:45:15)
[GCC 4.4.1] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import PyV8
>>> js = """
...
... var t1 = {};
...
... t1.__defineGetter__('attr', function() {
...     debug('t1.attr');
...     return 't1.attr';
... });
...
... t2.__defineGetter__('attr', function() {
...     debug('t2.attr');
...     return 't2.attr';
... });
...
... debug(t1.attr);
... debug(t2.attr);
...
... """
>>>
>>> class Globals(PyV8.JSClass):
...     t2 = PyV8.JSClass()
...     def debug(self, str):
...         print str
...
>>> with PyV8.JSContext(Globals()) as ctx:
...     ctx.eval(js)
...
t1.attr
t1.attr
<property object at 0xb7655a54>

Original issue reported on code.google.com by sciyoshi on 30 Dec 2009 at 9:55

Runtime failure of PyV8 v0.8 with v8 trunk@r3837

I am trying to use PyV8 on Linux and Mac OS X. The build is ok but the 
following error occurs (on both platforms) while importing PyV8 in python.

$ python
Python 2.6.1 (r261:67515, Jul  7 2009, 23:51:51) 
[GCC 4.2.1 (Apple Inc. build 5646)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import PyV8
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "PyV8.py", line 8, in <module>
    import _PyV8
ImportError: dlopen(./_PyV8.so, 2): Symbol not found: 
__ZN2v819RegisteredExtension16first_extension_E
  Referenced from: ...pyv8-read-only/build/lib.macosx-10.6-universal-2.6/_PyV8.so
  Expected in: flat namespace
 in ...pyv8-read-only/build/lib.macosx-10.6-universal-2.6/_PyV8.so

Both platforms show similar error messages:
Ubuntu 9.10 32 bits
Mac OS X 10.6.2 (with 64 bits Python)

Original issue reported on code.google.com by edwincheese on 12 Feb 2010 at 9:51

Unit test failed with r253

Ubuntu 10.04 updated, PyV8 r253, V8 r4380

gauss@pmain:~/Projects/pyv8$ python PyV8.py
.....................Fhello world
..............
======================================================================
FAIL: testDate (__main__.TestWrapper)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "PyV8.py", line 1004, in testDate
    self.assert_(str(func(now)).startswith(now.strftime("%a %b %d %Y 
%H:%M:%S")))
AssertionError

----------------------------------------------------------------------
Ran 36 tests in 3.267s

FAILED (failures=1)

Original issue reported on code.google.com by [email protected] on 10 Apr 2010 at 7:18

Segfault on x64 platform

Builds successfully if V8 is built with

GCC_VERSION=44 scons arch=x64

and PyV8 is built with

CFLAGS="-O0" V8_HOME=~/v8 python setup.py build --debug

but running the test suite in PyV8 segfaults with the following backtrace:

#0  0x000000000045417a in PyObject_Malloc ()
#1  0x000000000045bd12 in PyString_FromStringAndSize ()
#2  0x00007ffff66be977 in boost::python::detail::str_base::str_base(char
const*, unsigned long) () from /usr/lib/libboost_python-py26.so.1.40.0
#3  0x00007ffff69e4b63 in str (this=0x7fffffffb950, start=0x93f750 "人",
length=3) at /usr/include/boost/python/str.hpp:155
#4  0x00007ffff6a0c583 in CJavascriptObject::Wrap (value=..., self=...) at
src/Wrapper.cpp:847
#5  0x00007ffff69f0e95 in CEngine::ExecuteScript (this=0x7fffffffbb3f,
script=...) at src/Engine.cpp:367
#6  0x00007ffff69f0f43 in CScript::Run (this=0xa6cb50) at src/Engine.cpp:374
#7  0x00007ffff69e4455 in CContext::Evaluate (this=0xaad270, src=...) at
src/Context.cpp:157
#8  0x00007ffff69eea20 in
boost::python::detail::invoke<boost::python::to_python_value<boost::python::api:
:object
const&>, boost::python::api::object (CContext::*)(std::string const&),
boost::python::arg_from_python<CContext&>,
boost::python::arg_from_python<std::string const&> > (rc=..., f=@0x96f698,
tc=..., ac0=...) at /usr/include/boost/python/detail/invoke.hpp:88
#9  0x00007ffff69ed74f in
boost::python::detail::caller_arity<2u>::impl<boost::python::api::object
(CContext::*)(std::string const&), boost::python::default_call_policies,
boost::mpl::vector3<boost::python::api::object, CContext&, std::string
const&> >::operator() (this=0x96f698, args_=0xa3b998) at
/usr/include/boost/python/detail/caller.hpp:223
#10 0x00007ffff69ec675 in
boost::python::objects::caller_py_function_impl<boost::python::detail::caller<bo
ost::python::api::object
(CContext::*)(std::string const&), boost::python::default_call_policies,
boost::mpl::vector3<boost::python::api::object, CContext&, std::string
const&> > >::operator() (this=0x96f690, args=0xa3b998, kw=0x0) at
/usr/include/boost/python/object/py_function.hpp:38
#11 0x00007ffff66cbd4e in boost::python::objects::function::call(_object*,
_object*) const () from /usr/lib/libboost_python-py26.so.1.40.0
#12 0x00007ffff66cbf38 in ?? () from /usr/lib/libboost_python-py26.so.1.40.0
#13 0x00007ffff66d4213 in
boost::python::detail::exception_handler::operator()(boost::function0<void>
const&) const () from /usr/lib/libboost_python-py26.so.1.40.0
#14 0x00007ffff69df082 in
boost::python::detail::translate_exception<CJavascriptException, void
(*)(CJavascriptException const&)>::operator() (this=0x88bb38, handler=...,
f=...,
    translate=0x7ffff69da3ee
<ExceptionTranslator::Translate(CJavascriptException const&)>) at
/usr/include/boost/python/detail/translate_exception.hpp:46
#15 0x00007ffff69de87f in boost::_bi::list3<boost::arg<1>, boost::arg<2>,
boost::_bi::value<void (*)(CJavascriptException const&)>
>::operator()<bool,
boost::python::detail::translate_exception<CJavascriptException, void
(*)(CJavascriptException const&)>,
boost::_bi::list2<boost::python::detail::exception_handler const&,
boost::function0<void> const&> > (this=0x88bb40, f=..., a=...)
    at /usr/include/boost/bind/bind.hpp:375
#16 0x00007ffff69de0d8 in boost::_bi::bind_t<bool,
boost::python::detail::translate_exception<CJavascriptException, void
(*)(CJavascriptException const&)>, boost::_bi::list3<boost::arg<1>,
boost::arg<2>, boost::_bi::value<void (*)(CJavascriptException const&)> >
>::operator()<boost::python::detail::exception_handler,
boost::function0<void> > (this=0x88bb38, a1=..., a2=...)
    at /usr/include/boost/bind/bind_template.hpp:102
#17 0x00007ffff69ddbae in
boost::detail::function::function_obj_invoker2<boost::_bi::bind_t<bool,
boost::python::detail::translate_exception<CJavascriptException, void
(*)(CJavascriptException const&)>, boost::_bi::list3<boost::arg<1>,
boost::arg<2>, boost::_bi::value<void (*)(CJavascriptException const&)> >
>, bool, boost::python::detail::exception_handler const&,
boost::function0<void> const&>::invoke (
    function_obj_ptr=..., a0=..., a1=...) at
/usr/include/boost/function/function_template.hpp:132
#18 0x00007ffff66d3fe3 in
boost::python::handle_exception_impl(boost::function0<void>) () from
/usr/lib/libboost_python-py26.so.1.40.0
#19 0x00007ffff66c96b8 in ?? () from /usr/lib/libboost_python-py26.so.1.40.0

Original issue reported on code.google.com by sciyoshi on 8 Jan 2010 at 9:30

Sporadic crash

First off all, thanks for all the help lately!

I'm having a sporadic crash. It happens after calling this module a couple
of times (from the same process):

--++--++--++--++--++--++--++--++--++--++--++--++--++--
from pyv8 import PyV8
def extractor(scripts):
    global_object = GlobalObject()
    with PyV8.JSContext(global_object) as js_context:
        for script in scripts:
            js_context.eval(str(script))
    return global_object.interesting_lines
--++--++--++--++--++--++--++--++--++--++--++--++--++--

("GlobalObject" just checks against some regexps if the line of code
executed/value returned is interesting)


I can't easily reproduce it, but I always get the following stack trace:

-[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--
#
# Fatal error in w:\external\lib\v8\src\objects-inl.h, line 1586
# CHECK(object->IsJSObject()) failed
#

==== Stack trace ============================================

Security context: 05D754FD <JS Object>#0#
    1: /* anonymous */(this=05D75AA9 <JS Object>#1#)

==== Details ================================================

[1]: /* anonymous */(this=05D75AA9 <JS Object>#1#) {
  // stack-allocated locals
  var .result = 03290135 <undefined>
  // expression stack (top to bottom)
  [01] : 0
--------- s o u r c e   c o d e ---------
???????????????????????????????????????????const
$Object=global.Object;?const $Array=global.Array;?const
$String=global.String;?const $Number=global.Number;?const
$Function=global.Function;?const $Boolean=global.Boolean;?const
$NaN=0/0;????function EQUALS(a){?if((typeof(this)==='string')&&(typeof(a)...

-----------------------------------------
}

==== Key         ============================================

 #0# 05D754FD: 05D754FD <JS Object>
 #1# 05D75AA9: 05D75AA9 <JS Object>
=====================
-[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--[]--


My application has an embedded Python (2.5) with some custom modifications.
Also, Boost version is 1.41.0. V8 trunk, rev 4135. PyV8 trunk, rev 241.

It may have something to do with my custom scenario. Any help would be
appreciated. Thanks!

Original issue reported on code.google.com by [email protected] on 19 Mar 2010 at 8:41

'pure virtual method called' while trying to convert list of lists

-begin script-
import PyV8

class Global(PyV8.JSClass):
    pass

script = """ 
({ 
    'abla': function(){ 
        return  [ 
            [ 1, 'abla' ], 
            [ 2, 'ajkss' ], 
        ] 
    } 
}) 
"""

with PyV8.JSContext(Global()) as ctxt:
    obj = ctxt.eval(script)
    print PyV8.convert(obj.abla())
-end script-

Original issue reported on code.google.com by [email protected] on 10 Jan 2010 at 12:10

static linking won't help - still on ubuntu fails

g++ -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions
build/temp.linux-x86_64-2.6/src/Exception.o
build/temp.linux-x86_64-2.6/src/Context.o
build/temp.linux-x86_64-2.6/src/Engine.o
build/temp.linux-x86_64-2.6/src/Wrapper.o
build/temp.linux-x86_64-2.6/src/Debug.o
build/temp.linux-x86_64-2.6/src/Locker.o
build/temp.linux-x86_64-2.6/src/PyV8.o -L/devel/00-cvs/js/v8 -L/devel/lib
-lboost_python -lv8static -lrt -o build/lib.linux-x86_64-2.6/_PyV8.so -fPIC

./helloworld.py
Traceback (most recent call last):
  File "./helloworld.py", line 4, in <module>
    import PyV8
  File "./PyV8.py", line 8, in <module>
    import _PyV8
AttributeError: 'Boost.Python.StaticProperty' object attribute '__doc__' is
read-only

Original issue reported on code.google.com by [email protected] on 27 Apr 2010 at 4:22

Port to linux =)

What steps will reproduce the problem?
1.
2.
3.

What is the expected output? What do you see instead?


What version of the product are you using? On what operating system?


Please provide any additional information below.

Original issue reported on code.google.com by [email protected] on 17 Oct 2009 at 1:56

class instance not derived from object returned as Global causes segfault

class FileWrapper(object):
                 ^^^^^^^^ remove this to get a segfault
    def __init__(self, fname, mode):
        self.f = open(fname, mode)

    def seek(self, seekto=None):
        if seekto is None:
            return self.f.seek()
        return self.f.seek(seekto)

    def close(self):
        return self.f.close()

    def write(self, bytes):
        return self.f.write(bytes)

    def read(self, bytes=None):
        if bytes is None:
            return self.f.read()
        return self.f.read(bytes)

# Create a python class to be used in the context
class Global(PyV8.JSClass):
    def pyv8_open(self, fname, mode):
        return FileWrapper(fname, mode)

Original issue reported on code.google.com by [email protected] on 18 Sep 2009 at 5:00

Is it possible to use python generators as arrays in PyV8 ?

What steps will reproduce the problem?
1. Tried to implement a simple generator, but i cant loop with either
for(var k in arr) / for(var i=0;i<arr.length...)
Seems that __len__/__getitem__ are not called.

Is it something i'm doing wrong or its not supported?


What version of the product are you using? On what operating system?
PyV8 0.9/winxp (with py2.6 x86)

Original issue reported on code.google.com by [email protected] on 10 Mar 2010 at 3:11

DeprecationWarning with unittest

While running unittest of pyv8 svn changeset 187 on Ubuntu Karmic:

gauss@pmain:~/Projects/pyv8$ python PyV8.py
........................PyV8.py:772: DeprecationWarning: 
BaseException.message has been deprecated as of Python 2.6
  ctxt.eval("try { this.raiseNotImplementedError(); } catch (e) { msg = e; 
}")
......PyV8.py:735: DeprecationWarning: BaseException.message has been 
deprecated as of Python 2.6
  }""")
...
----------------------------------------------------------------------
Ran 33 tests in 4.218s

OK

Original issue reported on code.google.com by [email protected] on 1 Jan 2010 at 5:56

Segfault on dir(jscontext.locals) before run jscontext

What steps will reproduce the problem?
1. import PyV8 in python
2. create context=PyV8.JSContext()
3. try run dir(context.locals) before context.enter()

What is the expected output? What do you see instead?

Exception in python, but i got segfault.

What version of the product are you using? On what operating system?

PyV8 0.7, Ubuntu 9.10 x64, static compiled version of V8, and own compiled 
libboost (bug in libboost-python1.38 Ubuntu 9.10). Python 2.6.4.

Original issue reported on code.google.com by [email protected] on 6 Nov 2009 at 9:25

Segmentation Fault when working with Eventlet

What steps will reproduce the problem?
import PyV8
import eventlet

class Global(PyV8.JSClass):
    def sleep(self, seconds):
        eventlet.sleep(seconds)

def run(n):
    with PyV8.JSContext(Global()) as ctx:
        return ctx.eval("sleep(2);")

pool = eventlet.GreenPool()
for result in pool.imap(run, xrange(5)):
    print result



What is the expected output? What do you see instead?
Expected:
None
None
None
None
None

Instead:
Segmentation Fault

What version of the product are you using? On what operating system?
Eventlet 0.9.7, PyV8 0.9, V8 2.2.9, Python 2.6.2, Ubuntu 9.04


Please provide any additional information below.
Strangely enough, if I compile the "sleep(2)", then run it, it works.  Only 
when I eval() something that would cause Eventlet to cooperatively yield 
does it segfault.

Original issue reported on code.google.com by [email protected] on 14 May 2010 at 9:52

Attachments:

segfaultv8.py

unicode?

hi~
the result of program:
None
None


False
True

the code in qval() is encoding with utf-8 or not?

Original issue reported on code.google.com by [email protected] on 21 Apr 2009 at 9:22

Attachments:

pyv8.py

[patch] Improvements in build system

This patch simplifies multiple rebuilds by allowing to set any configuration 
variable (like V8_HOME, DEBUG, etc..) to be set in file buildconf.py

Original issue reported on code.google.com by [email protected] on 20 Jan 2010 at 12:22

Attachments:

undefined symbol: _ZN2v88internal3Log14output_buffer_E

What steps will reproduce the problem?
import PyV8 will exception

What version of the product are you using? On what operating system?

ubuntu 9.10 x86, python 2.6
V8 and PyV8 from current svn

Original issue reported on code.google.com by [email protected] on 9 Mar 2010 at 9:11

JSError django exception reporter compatibility

This patch allows django to show javascript errors in html tracebacks. 
Without __unicode__ method, no exc_value strings shown.

-begin patch-
Index: PyV8.py
===================================================================
--- PyV8.py (revision 201)
+++ PyV8.py (working copy)
@@ -18,6 +18,9 @@

     def __str__(self):
         return str(self._impl)
+    
+    def __unicode__(self):
+        return unicode(self._impl)

     def __getattribute__(self, attr):
         impl = super(JSError, self).__getattribute__("_impl")
-end patch-

Original issue reported on code.google.com by [email protected] on 12 Jan 2010 at 11:07

Crash with a snippet from prototype.js

Python is crashing evaluating 'prototype.js' (with my 'GlobalObject'). I've
attached a script to reproduce the crash.


What version of the product are you using? On what operating system?
- PyV8-0.9.win32-py2.6.exe on Windows Vista
- PyV8 rev. 246 compiled for Python 2.5 on Windows Vista

Original issue reported on code.google.com by [email protected] on 7 Apr 2010 at 5:23

Attachments:

pyv8-crash-prototype-45.py

Accessing outside the bounds of a Python array from JS raises RangeError instead of undefined

Attached is a patch with a test case showing the problem, array3[9] ===
undefined fails and instead raises a RangeError

Original issue reported on code.google.com by sciyoshi on 3 Jan 2010 at 9:18

Attachments:

test.patch

[patch] Enable linking with V8 in debug mode

This patch enables to link with library v8_g if environment variable DEBUG 
is set. Please check it on another platforms (i have checked it only on 
linux).

Sample usage:
build v8 with:
$ scons mode=debug
now build pyv8 with:
$ export DEBUG=1
$ export V8_HOME=/path/to/v8
$ python setup.py bdist
...
...
profit!

Original issue reported on code.google.com by [email protected] on 19 Jan 2010 at 11:27

Attachments:

v8-debug.patch

Segmentation fault

The broken code is:

    ops = ['==', '!=', '>', '<', '>=', '<=', '===', '!==']
    t = [ 0, 1, 2, 15, 123, -100, 
          "'0'", "'1'", "'2'", "'15'", "'123'", "'-100'",
          .0, .1, .2, .15, .123, -.100, 
          "'.0'", "'.1'", "'.2'", "'.15'", "'.123'", "'-.100'",
          '"abc"', "'abc'", "'абв'", "'测试'",
          "true", "false", "NaN", "Infinity", "null",
          "{}", "[]", "function(){}" ]

    for op in ops:
        for a in t:
            for b in t:
                t_ = "(%s %s %s)" % (a, op, b)
                print ">", t_
                ctx.eval(t_)

System: ubuntu hardy, python 2.5

Unfortunately i have no tested it in windows, as PyV8 raise exception on
import:

>>> import PyV8

Traceback (most recent call last):
  File "<pyshell#0>", line 1, in <module>
    import PyV8
  File "C:\Python26\lib\site-packages\PyV8.py", line 8, in <module>
    import _PyV8
AttributeError: 'Boost.Python.StaticProperty' object attribute '__doc__' is
read-only

system: windows xp, python 2.6.4

Original issue reported on code.google.com by [email protected] on 18 Dec 2009 at 6:08

Merged into: #12

conversions-inl.h needs cmath for os x

Compiling PyV8 0.8 on OS X (10.6) will die with:
/tmp/v8/src/conversions-inl.h: In function ‘double 
v8::internal::DoubleToInteger(double)’:
/tmp/v8/src/conversions-inl.h:63: error: ‘isnan’ was not declared in this 
scope

Googling found this:
http://old.nabble.com/Re:-(Update)-Difficulty-building-Gazebo-on-
OSX-10.4-(ltdl-and-ODE-trimesh)-td19023897.html

"It seems the issue with isnan is that the isnan macro is carefully removed 
from math.h on OSX in favor of using std::isnan."

It suggested adding:

#include <cmath>
extern "C" int isnan(double);

When I did this, PyV8 compiled just fine. It may need a macro to protect it 
on other platforms.

Original issue reported on code.google.com by [email protected] on 5 Jan 2010 at 4:55

PyV8 calling getattr twice for attributes

http://groups.google.com/group/pyv8/browse_thread/thread/508a525518ba
3747?hl=en

dieresys    
View profile  
 More options Mar 2, 6:13 am
I'm trying to analyze chunks of javascript without providing the 
object model. I've found that if the global object defines a 
"__getattr__" method, it's called twice for each undefined attributes 
found in the script. 
For example: 
------------------------------------------------------------------------ 
import PyV8 
class Global(PyV8.JSClass): 
    def __getattr__(self, name): 
        print name 
        return self 
    def alert(self, value): 
        print value 
js_context = PyV8.JSContext(Global()) 
with js_context: 
    js_context.eval("alert(window.location.href);") 
------------------------------------------------------------------------ 
should print this: 
------------------------------------------------------------------------ 
window 
location 
href 
<__main__.Global object at 0x01C7C610> 
------------------------------------------------------------------------ 
but it's printing: 
------------------------------------------------------------------------ 
window 
window 
location 
location 
href 
href 
<__main__.Global object at 0x01C7C610> 
------------------------------------------------------------------------

Original issue reported on code.google.com by [email protected] on 1 Mar 2010 at 11:05

Memory leak while calling a function

Memory usage constantly increases while calling same function again and 
again by the size of passed arguments (i am passing an array of 1000 
elements for example). Without any arguments there are small leak (about 500 
bytes) too.

Original issue reported on code.google.com by [email protected] on 7 Apr 2010 at 5:53

Attachments:

pyv8test.py

Can't build in Mac OS Snow Leopard

Malic:pyv8-read-only Malic$ python setup.py install
running install
running build
running build_py
running build_ext
building '_PyV8' extension
gcc -arch ppc -arch i386 -isysroot /Developer/SDKs/MacOSX10.4u.sdk 
-fno-strict-aliasing -
fno-common -dynamic -DNDEBUG -g -O3 -DBOOST_PYTHON_STATIC_LIB -
DV8_NATIVE_REGEXP -DENABLE_DISASSEMBLER -DENABLE_LOGGING_AND_PROFILING -
DENABLE_DEBUGGER_SUPPORT -DV8_TARGET_ARCH_IA32 -
I/users/malic/code/python/v8/include -I/users/malic/code/python/v8 -
I/users/malic/code/python/v8/src -I/opt/local/include -
I/Library/Frameworks/Python.framework/Versions/2.6/include/python2.6 -c 
src/Exception.cpp 
-o build/temp.macosx-10.3-fat-2.6/src/Exception.o
In file included from src/Exception.cpp:1:
src/Exception.h:3:19: error: cassert: No such file or directory
src/Exception.h:4:21: error: stdexcept: No such file or directory
src/Exception.h:18:17: error: cmath: No such file or directory
src/Exception.h:23:28: error: boost/python.hpp: No such file or directory
src/Exception.cpp:3:19: error: sstream: No such file or directory
In file included from /users/malic/code/python/v8/src/v8.h:56,
                 from src/Exception.cpp:15:
/users/malic/code/python/v8/src/globals.h:53:2: error: #error Host architecture 
was not 
detected as supported by v8
/users/malic/code/python/v8/src/globals.h:58:2: error: #error Target 
architecture ia32 is only 
supported on ia32 host
In file included from /users/malic/code/python/v8/src/platform.h:96,
                 from /users/malic/code/python/v8/src/log.h:31,
                 from /users/malic/code/python/v8/src/spaces.h:32,
                 from /users/malic/code/python/v8/src/v8.h:64,
                 from src/Exception.cpp:15:
/Developer/SDKs/MacOSX10.4u.sdk/usr/include/stdarg.h:4:25: error: stdarg.h: No 
such file or 
directory
In file included from /users/malic/code/python/v8/src/conversions-inl.h:32,
                 from /users/malic/code/python/v8/src/objects-inl.h:40,
                 from /users/malic/code/python/v8/src/v8.h:66,
                 from src/Exception.cpp:15:
/Developer/SDKs/MacOSX10.4u.sdk/usr/include/float.h:8:24: error: float.h: No 
such file or 
directory
In file included from src/Exception.cpp:1:
src/Exception.h:19: error: ‘std::isnan’ has not been declared
src/Exception.h:24: error: ‘boost’ has not been declared
src/Exception.h:24: error: ‘python’ is not a namespace-name
src/Exception.h:24: error: expected namespace-name before ‘;’ token
In file included from src/Exception.cpp:1:
src/Exception.h:38: error: ‘PyGILState_STATE’ does not name a type
src/Exception.h:50: error: expected ‘;’ before ‘(’ token
src/Exception.h:51: error: ‘PyObject’ has not been declared
src/Exception.h:51: error: ‘py’ has not been declared
src/Exception.h:51: error: expected ‘,’ or ‘...’ before ‘*’ token
src/Exception.h:55: error: expected class-name before ‘{’ token
and bunch of other errors

gcc --version
i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5657)

Original issue reported on code.google.com by [email protected] on 2 May 2010 at 4:01

Merged into: #57

JSArray initialize problem

[b]What steps will reproduce the problem?[/b]
1. import PyV8
2. PyV8.JSArray([1,2,3])

This error does not occour when we first enter to a context;
1. import PyV8
2. context=PyV8.JSContext()
3. context.enter()
4. PyV8.JSArray([1,2,3])
<_PyV8.JSArray object at 0x0120A8A0>


The reason we might have to use JSArray before entering to a context would
be using a globals class;

import PyV8
class Globals(PyV8.JSClass):
    def __init__(self):
        self.test=PyV8.JSArray([1,2,3])

context=PyV8.JSContext(Globals())
//segfault


[b]What is the expected output? What do you see instead?[/b]
A JSArray object but I get a segfault.

[b]What version of the product are you using? On what operating system?[/b]
PyV8-0.7.1.win32-py2.6.exe

Python2.6.2, 
PyV8-0.7.1, 
Windows XP Professional



Thank you.

Original issue reported on code.google.com by [email protected] on 24 Dec 2009 at 8:37

external python class can't be wrapped

got an obscure bug that could really use some outside help on, that used to
work (v8 from 4-6 months ago plus PyV8 0.4) and now doesn't (v8 from today
plus PyV8 0.5).
setup:
http://code.google.com/p/pyv8 you get from here
http://pyjs.org go to the sf.net svn get code from there.
do this:
cd pyjamas
python bootstrap.py
cd pyv8
./pyv8run.py test.py

if you get a segfault due to debugging, disable it:

@@ -119,7 +120,7 @@ $pyjs.trackstack.push($pyjs.track);
         fp.write(txt)
         fp.close()

-    PyV8.debugger.enabled = True
+    #PyV8.debugger.enabled = True

the error being shown is:

terminate called after throwing an instance of 'CJavascriptException'
  what():  <v8::External::Cast()> Could not convert to external
Aborted

the object involved is a python class.

Original issue reported on code.google.com by [email protected] on 24 Jun 2009 at 9:06

Error/Crash using multiple JSContext in multiple threads

(http://groups.google.com/group/pyv8/browse_thread/thread/78df210cac5cfbc3)

I'm having some problems running different JSContext instances in
different threads. This is a simplified example:

--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--
from __future__ import with_statement
from pyv8 import PyV8
from threading import Thread

class PyV8Tread(Thread):
    def run(self):
        with PyV8.JSContext() as context:
            context.eval("1+1")

t1 = PyV8Tread()
t2 = PyV8Tread()
t3 = PyV8Tread()
t1.start()
t2.start()
t3.start()
--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--


When I run those lines, I randomly get:
a) "#
# Fatal error in ..\..\src\top.cc, line 283
# CHECK(thread_local_.TryCatchHandler() == that) failed
#"

b) Python crashes

With this modification:
--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--
class PyV8Tread(Thread):
    def run(self):
        class Global(PyV8.JSClass):
            def hello(self):
                print "Hello World"

        with PyV8.JSContext(Global()) as context:
            context.eval("hello()")
--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--o--
I get:
"#
# Fatal error in ..\..\src\frames.cc, line 46
# CHECK(frame->sp() <= handler->address()) failed
#

Attempt to print stack while printing stack (double fault)
If you are lucky you may find a partial stack dump on stdout.

==== Stack trace ============================================"

Python 2.5
Boost 1.42
V8 trunk, revision 4135

Original issue reported on code.google.com by [email protected] on 18 Mar 2010 at 7:23

check that V8_HOME is set in setup.py

On platforms where it's common to build/install with sudo, it's not obvious 
V8_HOME needs to be set for the root user. If you don't know this, you run 
setup.py and it dies with:

Traceback (most recent call last):
  File "setup.py", line 17, in <module>
    os.path.join(os.environ.get('V8_HOME'), 'include'),
  File 
"/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/pytho
n2.6/posixpath.py", line 67, in join
    elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'

This is not terribly obvious that the problem is that V8_HOME is not being 
set because you're running as root. I propose that you do an explicit check 
for V8_HOME at the beginning of setup.py and make sure it's there. If not, 
tell the user it's not set in the environment setup.py is being run in 
(perhaps even mention it must be set for root if using sudo).

Original issue reported on code.google.com by [email protected] on 10 Jan 2010 at 7:06

error: ‘class v8::internal::Expression’ has no member named ‘context’

pyv8 doesn't seem to build with V8 "stable edge" r3836, or bleeding edge
(same error):

running build_ext
building '_PyV8' extension
creating build/temp.linux-x86_64-2.7
creating build/temp.linux-x86_64-2.7/src
gcc -pthread -DNDEBUG -O2 -march=core2 -m32 -m32 -fPIC
-DBOOST_PYTHON_STATIC_LIB -DV8_NATIVE_REGEXP -DENABLE_DISASSEMBLER
-DENABLE_LOGGING_AND_PROFILING -DENABLE_DEBUGGER_SUPPORT
-DV8_TARGET_ARCH_IA32 -I/med/builds/v8/include -I/med/builds/v8
-I/med/builds/v8/src
-I/home/sys/deploy/installed/Python-x86/include/python2.7 -c src/AST.cpp -o
build/temp.linux-x86_64-2.7/src/AST.o
In file included from src/AST.cpp:1:
src/AST.h: In member function ‘v8::internal::Expression::Context
CAstExpression::context() const’:
src/AST.h:103: error: ‘class v8::internal::Expression’ has no member named
‘context’
error: command 'gcc' failed with exit status 1


I'm on 64-bit Ubuntu karmic with gcc 4.4.1, and compiling v8, boost-python,
and pyv8 as 32-bit.

Original issue reported on code.google.com by [email protected] on 12 Feb 2010 at 2:13

Fatal: Refering to custom global object using 'this' keyword

This code fails on Linux:

class Global(object):pass
engine = PyV8.JSEngine(Global())
engine.eval("this")

Producing:
terminate called after throwing an instance of
'boost::python::error_already_set'
Aborted


If I don't use the custom global object, it succeeds.

Original issue reported on code.google.com by [email protected] on 17 Feb 2009 at 11:19

os x uses posix branch in setup.py

With PyV8 0.8 setup.py, on OS X 10.6 Python's os.name == 'posix' so the 
"mac" branch never runs for me. What's more, a few changes need to be made 
for it to work:

1) boost_python library be changed to boost_python-mt
2) rt library needs to be removed
3) "/opt/local/include" needs to be added to include_dirs for boost to be 
found. 

This is all assuming you used MacPorts to install Boost.

Original issue reported on code.google.com by [email protected] on 10 Jan 2010 at 7:01

Strange crash

Can't determine what's happens, but it happens on PyV8.JSContext(None)!...

Original issue reported on code.google.com by [email protected] on 20 Jan 2010 at 12:36

Attachments:

backtrace.log

multiple native JSExtensions

What steps will reproduce the problem?
1. register two different native JSExtension

---
firstSrc = "native function hello();"
firstPy = JSExtension("hello/python", firstSrc, lambda firstfunc: lambda 
name: "[HELLO] [" + name + "]", register=False)
firstPy.register()


secondSrc = "native function test();"
secondPy = JSExtension("test/python", secondSrc, lambda secondfunc: lambda 
name: "[TEST] [" + name + "]", register=False)
secondPy.register()


with JSContext(extensions=['test/python', 'hello/python']) as ctx: 
    res = ctx.eval("hello('flier')")

print 'RES:  '+ res

---


What is the expected output? What do you see instead?
RES:  [HELLO] [flier]

instead i get

---
Traceback (most recent call last):
  File "testjs.py", line 20, in <module>
    with JSContext(extensions=['test/python', 'hello/python']) as ctx:
  File "C:\Python26\lib\site-packages\PyV8.py", line 411, in __init__
    _PyV8.JSContext.__init__(self, obj, extensions)
PyV8.JSError: JSError: <v8::Context::New()> Cannot find required extension

---

What version of the product are you using? On what operating system?
the build attached here: http://code.google.com/p/pyv8/issues/detail?
id=12&can=1&q=__doc__#c2

OS: win 7 x86 32 bit

Please provide any additional information below.
registering two _javascript_ extensions works

Original issue reported on code.google.com by [email protected] on 25 Dec 2009 at 10:23

Add support for using mappings from JS

If this is the following scope for the Javascript:

class Globals(PyV8.JSClass)
    d = {'a': {'b': 'c'}, 'd': ['e', 'f']}

then any attempt to access d.a or d.d will return undefined, which is
slightly unexpected (since JS treats d['a'] and d.a the same), and makes it
awkward to pass JSON data between Python and JS. Attaching a patch which
makes Named[GS]etter check if the object supports the mapping protocol, and
if so uses that instead.

Original issue reported on code.google.com by sciyoshi on 1 Jan 2010 at 8:44

Attachments:

fix21.patch

_PyV8.so: undefined symbol: _ZTIN2v88internal10AstVisitorE

I should have noticed this when you asked me to verify #35 - sorry.

pyv8 builds fine, but does not import. This happens with pyv8 r233, and V8
trunk@3836 or bleeding_edge@3850:

Traceback (most recent call last):
  File "PyV8.py", line 8, in <module>
    import _PyV8
ImportError: /opt/Python-x86/lib/python2.7/site-packages/_PyV8.so:
undefined symbol: _ZTIN2v88internal10AstVisitorE


I wish I knew C++ so that I could just send a patch :)

Original issue reported on code.google.com by [email protected] on 12 Feb 2010 at 8:46

Error while converting JSObject to python's dict

SVN r201, V8 2.0.5.4 static, python 2.6.2 on ubuntu jaunty

-begin script-
import PyV8

class Global(PyV8.JSClass):
    pass

script = """
({
    'abla': function(){
        return  {
            '1': 'abla',
            '2': 'ajkss',
        }
    }
})
"""

with PyV8.JSContext(Global()) as ctxt:
    obj = ctxt.eval(script)
    print PyV8.convert(obj.abla())
-end script-


gauss@pmain:~/Projects/pyv8test$ ./helloworld.py
Traceback (most recent call last):
  File "./helloworld.py", line 20, in <module>
    print PyV8.convert(obj.abla())
  File "/usr/local/lib/python2.6/dist-packages/PyV8.py", line 433, in 
convert
    return dict([[k, convert(obj.__getattr__(k))] for k in 
obj.__members__])
Boost.Python.ArgumentError: Python argument types in
    JSObject.__getattr__(JSObject, int)
did not match C++ signature:
    __getattr__(CJavascriptObject {lvalue}, std::string)

Original issue reported on code.google.com by [email protected] on 12 Jan 2010 at 6:07

Incorrect unicode conversion between python object and javascript object on FreeBSD

I compiled PyV8 under freebsd, and got following error:

with JSContext() as c:
    c.locals.s = u"测试"
    print len(c.locals.s)    # this will print 1, instead of 2

    c.locals.s = u"1234"
    print len(c.locals.s)    # this will print 1, instead of 4

In fact assign an unicode to JSContext will always return its length as 1.

After dig into the code, I found this is caused because on my FreeBSD the
python unicode is defined as UCS4 - the wide unicode (on win32, it will be
UCS2) this caused a problem when converting python unicode to v8::String in
CPythonObject::Wrap() method.

I patched the method to check if python is using UCS4 or UCS2 to determine
how to convert python unicode to v8::String.

Attached is the patched Wrapper.cpp, line 458-470 is modified.

Original issue reported on code.google.com by [email protected] on 30 Sep 2009 at 5:18

Attachments:

Wrapper.cpp

Python fatal error during RegExp match

What steps will reproduce the problem?
1. Install lastest pyv8
2. Run attached script "test.py"
3. See "Fatal Python error: deallocationg None

What is the expected output? 
Normal script execution or correct error message

What do you see instead?
Python fatal error 

What version of the product are you using? 
0.7.1

On what operating system?
Windows 7

Python shows fatal error if I run regexp matching cycling more than 1000 
times. On my computer it falls on 2000 matches.

Original issue reported on code.google.com by [email protected] on 14 Dec 2009 at 10:48

Attachments:

test.py

wmingjian / pyv8 Goto Github PK

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