Thank you, Eric.

I still have my "libj.<API>.argtypes = ( … )" in there after I refreshed from 
your latest j.py (for double checking the types).  The one for JSetM is causing 
ctypes.ArgumentError with byref(ss).

It looks working after I removed all argtypes.


thank you.


Maurice


> On Feb 18, 2018, at 11:03 PM, Eric Iverson <[email protected]> wrote:
> 
> j.test() with the latest files from the api/python3 works for me on 3.6.4
> anaconda on linux.
> 
> Please verify that you are using the j.py from the latest addon version.
> 
> If there is still a problem, let me know your environment.
> 
> On Sun, Feb 18, 2018 at 10:24 PM, More Rice <[email protected]> wrote:
> 
>> Thanks Eric. Yes, though, not everything is working yet.
>> 
>> For example, j.test() isn’t working because j.set() still has bugs - I
>> didn’t have time to dig deeper on that one this weekend.
>> 
>> Thanks.
>> 
>> On Sun, Feb 18, 2018 at 8:15 PM Eric Iverson <[email protected]>
>> wrote:
>> 
>>> Thanks. Being able to easily use J from python will be nice!
>>> 
>>> I take your point about c_longlong instead of c_ulonglong where
>>> appropriate. I will make that change.
>>> 
>>> Sounds like you made your own fixes. Congrats.
>>> 
>>> Please verify that the latest in the addon also works and suggest any
>>> further changes.
>>> 
>>> 
>>> On Sun, Feb 18, 2018 at 7:58 PM, More Rice <[email protected]> wrote:
>>> 
>>>> Problem solved! (I think.)
>>>> 
>>>> In j.py, after the ctypes.CDLL() call, for each API in libj, you need
>> set
>>>> libj.<API>.restype and libj.<API>.argtypes accordingly (I pulled down
>> the
>>>> jsource code and matched them). Once you do that, it runs.
>>>> 
>>>> ~/experiment/python3> python3
>>>> Python 3.6.4 |Anaconda custom (64-bit)| (default, Jan 16 2018,
>> 12:04:33)
>>>> [GCC 4.2.1 Compatible Clang 4.0.1 (tags/RELEASE_401/final)] on darwin
>>>> Type "help", "copyright", "credits" or "license" for more information.
>>>>>>> import j
>>>>>>> j.init()
>>>>>>> j.do("a =: i. 5")
>>>> 0
>>>>>>> print(j.get("a"))
>>>> [0 1 2 3 4]
>>>> 
>>>> Type matching is important. For example, in j.get(), dt/dr/ds/dd should
>>> be
>>>> using c_longlong(), not c_ulonglong().
>>>> 
>>>> 
>>>> Thanks for the add-on!  It is wonderful.
>>>> 
>>>> Maurice
>>>> 
>>>>> On Feb 18, 2018, at 3:44 AM, More Rice <[email protected]> wrote:
>>>>> 
>>>>> It is faulting on the do() method call after JInit() on j.py:39 for
>> me
>>>> as well.
>>>>> Segmentation fault: 11
>>>>> 
>>>>> My J version is
>>>>> Engine: j806/j64/darwin
>>>>> Release: commercial/2017-11-06T10:20:33
>>>>> Library: 8.06.09
>>>>> Qt IDE: 1.6.2s/5.6.3
>>>>> Platform: Darwin 64
>>>>> Installer: J806 install
>>>>> 
>>>>> thanks.
>>>>> 
>>>>> Maurice
>>>>> 
>>>>>> On Feb 17, 2018, at 10:54 PM, J. Patrick Harrington <
>>> [email protected]>
>>>> wrote:
>>>>>> 
>>>>>> Eric,
>>>>>>    I'm interested in this. Python is the fastest growing language
>>>>>> with astronomers -- the astropy package has really useful routines.
>>>>>> I don't really understand much about this, but I put j.py and
>>>> j_config.py
>>>>>> into my python3 directory & edited the paths in j_config.py.
>>>>>> 
>>>>>> Starting python3, I get
>>>>>> 
>>>>>> Python 3.6.3 |Anaconda, Inc.| (default, Oct 13 2017, 12:02:49)
>>>>>> [GCC 7.2.0] on linux
>>>>>> Type "help", "copyright", "credits" or "license" for more
>> information.
>>>>>>>>> import j
>>>>>>>>> j.init()
>>>>>> Segmentation fault (core dumped)
>>>>>> 
>>>>>> Any suggested diagnostics?
>>>>>> 
>>>>>> My J version is
>>>>>> Engine: j806/j64/linux
>>>>>> Release: commercial/2017-11-06T09:54:01
>>>>>> Library: 8.06.09
>>>>>> Qt IDE: 1.6.2/5.3.2
>>>>>> Platform: Linux 64
>>>>>> Installer: J806 install
>>>>>> 
>>>>>> Thanks for your efforts on this api
>>>>>> 
>>>>>> Patrick
>>>>>> 
>>>>>> On Sat, 17 Feb 2018, Eric Iverson wrote:
>>>>>> 
>>>>>>> I have just added a python3 folder to the addons api family.
>>>>>>> 
>>>>>>> The python scripts in the addon make it easy to use J from python3.
>>>>>>> 
>>>>>>> The popularity of python, combined with easy use of J, might open
>>> some
>>>>>>> doors.
>>>>>>> 
>>> ----------------------------------------------------------------------
>>>>>>> For information about J forums see
>>> http://www.jsoftware.com/forums.htm
>>>>>> ------------------------------------------------------------
>> ----------
>>>>>> For information about J forums see
>>> http://www.jsoftware.com/forums.htm
>>>>> 
>>>> 
>>>> ----------------------------------------------------------------------
>>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>>> 
>>> ----------------------------------------------------------------------
>>> For information about J forums see http://www.jsoftware.com/forums.htm
>> 
>> --
>> Sent from mobile
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>> 
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm

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