Not following. If your starting point is jsh or LOGTO or a jBASE program you 
should be able to call a python routine and convert the dp to a pylong and pass 
it down for reuse.

Sent from my iPhone

> On Mar 25, 2020, at 7:14 AM, Igor Osmolovskiy <igos...@gmail.com> wrote:
> 
> 
> Thanks Peter for your help
> 
> Coming back to the initial question whether a DP could be initialized without 
> a new session - looks like it is not possible.
> When we compile and catalog a JBC routine then a dll will be placed into bin. 
> And when that JBC routine is called then it is actually called as a dll 
> rather than executable (which can be removed even). So the same address space 
> is used.
> On the contrary when we call python then it is always a separate executable 
> with its own address space..
> 
> вторник, 10 марта 2020 г., 19:03:45 UTC пользователь pfalson написал:
>> https://github.com/pickmultivalue/jPython  
>> 
>>> On Tue, Mar 10, 2020 at 7:11 AM Igor Osmolovskiy <igo...@gmail.com> wrote:
>>> Would be interesting to have a look
>>> Thanks!
>>> 
>>> понедельник, 9 марта 2020 г., 19:31:07 UTC+1 пользователь pfalson написал:
>>>> 
>>>> Your only choices are start from jsh/jbc call python, call jbc etc or 
>>>> start with python call jbc. 
>>>> 
>>>> Either way the dp needs to be carried around. 
>>>> 
>>>> I can post an example of calling python (it needs jBASE 5).
>>>> 
>>>> Sent from my iPhone
>>>> 
>>>>>> On Mar 9, 2020, at 10:36 AM, Igor Osmolovskiy <igo...@gmail.com> wrote:
>>>>>> 
>>>>> 
>>>>> Hello Dan
>>>>> Right, but is there a possibility to avoid creating a new thread? 
>>>>> One option proposed by Peter is to launch Pyhton from JBC e.g. But any 
>>>>> chance to achieve this for pure Pyhton?
>>>>> 
>>>>> понедельник, 9 марта 2020 г., 15:27:22 UTC+1 пользователь DanE написал:
>>>>>> 
>>>>>> That would be because the jsh initiated the thread and the program 
>>>>>> running under it is a shared object /dll beneath that thread.
>>>>>> 
>>>>>>  
>>>>>> 
>>>>>> 
>>>>>> Dan Ell​  | jBASE Technical Engineer
>>>>>> jBASE International, Inc.
>>>>>> 813-498-2544 |   866‑582‑8447
>>>>>> d...@jbase.com |         www.jbase.com
>>>>>> 1050 Calle Amanecer, Suite A | San Clemente, CA 92673
>>>>>> From: jb...@googlegroups.com <jb...@googlegroups.com> On Behalf Of Igor 
>>>>>> Osmolovskiy
>>>>>> Sent: Monday, March 9, 2020 6:10 AM
>>>>>> To: jBASE <jb...@googlegroups.com>
>>>>>> Subject: Re: Getting the jBase DP (data pointer) of the current session 
>>>>>> when using pure C
>>>>>>  
>>>>>> 
>>>>>> Thank you Peter
>>>>>> 
>>>>>>  
>>>>>> 
>>>>>> But do you think it is still possible to retrieve a DP for an existing 
>>>>>> session? 
>>>>>> 
>>>>>> It can be seen that no new session is created when a JBC program is 
>>>>>> being called in jshell e.g. Therefore a DP initialization is happening 
>>>>>> somehow for that case
>>>>>> 
>>>>>> Thanks
>>>>>> 
>>>>>> 
>>>>>> суббота, 7 марта 2020 г., 1:13:48 UTC+1 пользователь pfalson написал:
>>>>>> 
>>>>>> That creates a regular jBASE session dp. The null args are more for 
>>>>>> internal use. 
>>>>>> 
>>>>>> Sent from my iPhone 
>>>>>> 
>>>>>> > On Mar 6, 2020, at 2:56 PM, Igor Osmolovskiy <igo...@gmail.com> wrote: 
>>>>>> > 
>>>>>> > Peter, thanks for the code sample 
>>>>>> > 
>>>>>> > Could you please elaborate on what exactly the next line means 
>>>>>> > jbase_getdpEX(NULL,NULL,1,NULL) 
>>>>>> > 
>>>>>> > Thanks 
>>>>>> > Igor 
>>>>>> > 
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