Article
· Apr 5, 2022 4m read
Serializing Python objects in globals

Motivation

This project was thought of when I was thinking of how to let Python code deal naturally with the scalable storage and efficient retrieving mechanism given by IRIS globals, through Embedded Python.

My initial idea was to create a kind of Python dictionary implementation using globals, but soon I realized that I should deal with object abstraction first.

So, I started creating some Python classes that could wrap Python objects, storing and retrieving their data in globals, i.e., serializing and deserializing Python objects in IRIS globals.

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While reviewing our documentation for our ^pButtons (in IRIS renamed as ^SystemPerformance) performance monitoring utility, a customer told me: "I understand all of this, but I wish it could be simpler… easier to define profiles, manage them etc.".

After this session I thought it would be a nice exercise to try and provide some easier human interface for this.

The first step in this was to wrap a class-based API to the existing pButtons routine.

I was also able to add some more "features" like showing what profiles are currently running, their time remaining to run, previously running processes and more.

The next step was to add on top of this API, a REST API class.

With this artifact (a pButtons REST API) in hand, one can go ahead and build a modern UI on top of that.

For example -

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Good Morning SMEs,

I am a .NET developer and new to using this IRIS Component. We are using InterSystems.Data.Clients ADO.NET component to connection to IRIS, I am able to open the connection but when i called Close, ADO.NET code showing connection is closed state in .NET code but in IRIS side it showing as connection is still open. The will close only after recycling apppool or closing IISExpress/calling application

Here are the steps I used to open the IRIS connection.

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Hey Community,

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Hi,

I have 3 simple tables: Encounter, Patient and Immunizations. Encounter makes a reference to Patient, and Patient contains a list of Immunization objects.

I've tried using PowerBI to access IRIS (using ODBC connector, not InterSystems BI connector), PowerBI reports the error:

Expression.Error: The column 'Patient' of the table wasn't found.
Details:
    Patient

it does this for two of the three tables I need only (Patient and Encounter), but not for Immunization IRIS table..

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Hi my fellows camrades,

I have a question that seems really simple but it's quite a pain in my ass right now.

I had to rename (take a file from a directory and move it to another) which is a .hl7. Whenever this file has been displaced, I have to change the extension from .hl7 to .OK without using the rename method. Maybe using the attribut?

Do you have any ideas how I could do it?

This should follow the step i have explained right before.

I have a service to take the file but i need an operation to rename it then change his name.

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Question
· Jun 7, 2022
Connecting two ensemble instances

Hi Guys,

We currently running all our clients in Ensemble 2014, but now we are having a problem that 2014 can't resolve (TLS version is 1 where we need TLS 1.2 or higher).

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I noticed today that when we are creating a message from one doc type to another doc type, that the message type categories are not necessarily set. This is causing some issues with routing rules when we try to reference the Message Type Categories. Is there a way to make sure the Message Type Categories are being set within a DTL to make sure this doesn't cause problems down the road?

Thanks

Scott

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With is distribution:

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Hi there,

I'm passing a JSON object to the server as such:

{"key":"value","key":"value","key":"value"}

From the client:

- Build object

object=JSON.stringify(object)

-pass to server side method as %String

On the server:

s object={}.FromJSON(object)

Instead of getting something like

object=<OBJECT REFERENCE>[2@%Library.DynamicObject]

I get

object="991@%Library.DynamicObject"

I can't access that object using %Get as if says invalid OREF.

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Hello! I need help reading a file and putting the contents into variables.

File path would be, c:\temp\zipcitystate.csv or txt

Data looks like this

00501,Holtsville,NY
00544,Holtsville,NY
00601,Adjuntas,PR
00602,Aguada,PR

I need to add the first area to variable ZIP, Second to CITY and third to STATE. they are separated by a comma.

Any help would be appreciated

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Hey Developers,

New video is already on InterSystems Developers YouTube channel:

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https://www.youtube.com/embed/PbSKedG25eA
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