#Python

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Python is an interpreted high-level programming language for general-purpose programming. Created by Guido van Rossum and first released in 1991, Python has a design philosophy that emphasizes code readability, notably using significant whitespace

Official site.

InterSystems Python Binding Documentation.

Question Mohamed Haneeq · Sep 10, 2020

Hello there community, 

I am pleased to say that i have started building a product and I have chosen InterSystems technology to be used in it. 

But I have a confusion with regard to it. 

I actually have to come to a conclusion to whether to use CACHE or IRIS. 

I will be using a lot of data and also integrating it along with Python for DEEP and Machine Learning. 

Also I do not have an idea of how to get the licensed version of either of that. 

I would like to get hold of this and also would like to try out the free version of either Data Bases before moving on to large scale production.

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Question Oliver Wilms · Apr 27, 2025

I combined @Rodolfo Pscheidt https://github.com/RodolfoPscheidtJr/ollama-ai-iris with some files from @Guillaume Rongier https://openexchange.intersystems.com/package/iris-rag-demo.

My own project is https://github.com/oliverwilms/ollama-ai-iris

I can run load_data.py and it connects to IRIS (same container).

When I try to run query_data.py https://github.com/oliverwilms/ollama-ai-iris/blob/main/query_data.py , it cannot connect to ollama:

ConnectionError: Failed to connect to Ollama. Please check that Ollama is downloaded, running and accessible.

I wonder if I need to add in query_data.

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Question Felipe Quezada · Jan 26, 2022

Hello guys! I need some assistance with these problems I have.

The first one is that I need to execute a Python file, which is at /XY path. This PY is supposed to read an excel file and create a CSV version in /XZ path.

I am quite sure that the PY file is correct, but when using this function I get nothing but this error:

SET tSC = $ZF(-100,"/ASYNC /SHELL ", "python", "/data/InterSystems/IRIS/mgr/TEST01CODE/ExcelReading/ExcelToCSV.py")

ConfigItem 'FJ EXCEL READING' (FJ.BS.ExcelReading) started in job 3164

ERROR #00: (sin descripción de error)

Any ideas or suggestions?

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Article shan yue · Sep 17, 2023 1m read

native-api-py-demo

This is a demo of IRIS Native API for Python, which uses Python to call the Object Script method and flow the message in production. Python obtains the message after flow and the message in global, and uses ZPM Package deployment.

 

Firstly, we need to install the Native API package

 

Enter on the command line

 

pip install intersystems_irispython-3.2.0-py3-none-any.
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Question Jim Cooper · Oct 14, 2024

New to Python.  Attempting to use pypyodbc to select data from a table in one Cache database, and inserting into a similarly configured table in another.  Process works fine except for tables containing Date types.  NULL values in date columns are handled without issue, but when data is present, insert fails with:

An error occurred: argument 7: TypeError: 'NoneType' object cannot be interpreted as an integer.

Source table:

CREATE TABLE "SAT"."AuditAttribute" (
    "ID"                 INTEGER NOT NULL PRIMARY KEY DEFAULT $i(^SAT.

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Question Kunal Tiwari · Jul 10, 2025

Hello,

I'm trying to connect a Python backend application to an InterSystems IRIS Community Edition instance running in a Docker container on an AWS EC2 instance. I'm facing persistent connection issues and an SSL Error despite the Superserver apparently having SSL disabled. I'm hoping for some insight into what might be causing this contradictory behavior.

My Setup:

  • InterSystems IRIS: Community Edition (Docker image intersystems/iris-community:2025.1)
  • Deployment: AWS EC2 (Ubuntu) instance.
  • Port Mapping: Host port 9091 mapped to container port 1972 (Superserver).
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Question Evgeny Shvarov · Jun 25, 2023

Hi folks!

I have a need to use symilar to $property function from Python. Here is the code:

obj=iris.cls('some.persistent.class')._New()

for property, value in data.items():

 $property(obj.property)=value ; I invented this

How could I do this? Any trick?

For now I plan to implement a helper function in iris that I will call, but I doubt also how can I transfer oref to IRIS.

Thoughts?

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Question Augustin MADET · Oct 24, 2023

import os

# Get environment variables
db_host = os.getenv('DB_HOST')
db_port = os.getenv('DB_PORT')
db_namespace = os.getenv('DB_NAMESPACE')
db_username = os.getenv('DB_USERNAME')
db_password = os.getenv('DB_PASSWORD')

# Create a database connection
conn = irisnative.createConnection(db_host, db_port, db_namespace, db_username, db_password)

# Create an IRIS instance from this connection
iris_native = irisnative.createIris(conn)

status = iris_native.classMethodValue('%SYSTEM.OBJ', 'Load', 'Production.cls', 'ck')

if status == 1:
    print("The Production.cls file was compiled successfully.

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Question Kim Trieu · Mar 26, 2024

Using VECTOR_COSINE() in SQL query to perform a text similarity search on existing embeddings in a %VECTOR column.

Code is below.

Commented out sql query returns this error: SQLCODE: -29  Field 'NEW_EMBEDDING_STR' not found in the applicable tables^ SELECT TOP ? maxID , activity , outcome FROMMain .AITest ORDER BY VECTOR_COSINE ( new_embedding_str ,

Sql query as written returns ERROR #5002: ObjectScript error: <PYTHON EXCEPTION> *<class 'OSError'>: isc_stdout_write: PyArg_ParseTuple failed!

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Question Kevin McGinn · Apr 14, 2022

I am writing a Python tools I want to access the %Monitor.System.License properties:

  1. AvailableDist
  2. AvailableLocal
  3. MaxUsedDist
  4. MaxUsedLocal
  5. CurrentUsedDist
  6. CurrentUsedLocal

Initially I want to develop Objectscript to verify access to the properties. But I can not figure the proper syntax.

I first attempted:

set ans = ##class(%Monitor.System.License).AvailableDist

which failed.

I tried another approach:

set ans = ##CLASS(%Monitor.System.License).%GetParameter("AvailableLocal")

which also failed. There is open method so it appears access options are limited.

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Question Alin Soare · May 28, 2024

Hi,

In my Iris Installation I cannot use python. When I try to install external libraries I get no OPENSSL_Applink:

$ pwd
/cygdrive/c/InterSystems/IRIS2/bin
$ ./irispip install --target ../Mgr/python/ pandas
OPENSSL_Uplink(00007FFBEC2F7068,08): no OPENSSL_Applink

I get the same error when I try to install a wheel file:

$ ././bin/irispip install ./intersystems_irispython-3.2.0-py3-none-any.whl
Processing c:\intersystems\iris2\dev\python\intersystems_irispython-3.2.0-py3-none-any.
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Question Adrian Maguire · Feb 18, 2022

Hi, I am trying to use embedded python in a cache class, but I can only get it to work in the source code namespace.

We map our client namespaces to our source code namespaces using Default Database for Routines under System > Configuration > Namespaces > Edit Namespace in the management portal.

In the source code namespace:

SOURCENEW>w ##class(EF.helloWorld).helloWorldPython()

Hello World!

SOURCENEW>ZN "EVEXAMPLE"

In the client namespace:

EVEXAMPLE>w ##class(EF.helloWorld).helloWorldPython()

W ##CLASS(EF.helloWorld).

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Question Smythe Smythee · Dec 2, 2024

Hi Community,

 

I have installed python from https://www.python.org/downloads/

and the installed path of this application is my local C:\Users\data\AppData\Local\Programs\Python

 

and i am trying to run C:\InterSystems\IRIS_SANDBOX\bin>irispip install  in command prompt and getting the below error 

'pip' is not recognized as an internal or external command,
operable program or batch file

 

is there anything else i am missing here please add

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Question Daniel Martinez Contador · Sep 12, 2018

I'm new to Iris, trying to follow this guide ( https://community.intersystems.com/post/k-means-clustering-iris-dataset ) about using clustering. I've followed all instructions until showing the data. At that point, `dataFrame.show()` fails with `java.sql.SQLException: Access Denied`.

I'm using IRIS 2018.12.609.0 on Windows 10 Pro 64 bits. Python is 3.6.6, PySpark is 2.3.1, installed from Anaconda (Python 3.6.6 |Anaconda, Inc.| (default, Jun 28 2018, 11:27:44) [MSC v.1900 64 bit (AMD64)] on win32).

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Question Kevin McGinn · Mar 15, 2022

I have developed a process that pulls data elements from a cache instance using the tools provided with the "intersys.pythonbind3" import. This is a windows box. After validating the process, the next step is to install the process on a site (Windows) that does not have an installed version of cache and access the cache instance remotely. But, since intersys.pythonbind3 is part of the cache install, I am not sure what to do  to allow this process to function because of the missing import.

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Question Yone Moreno · Nov 24, 2023

Hello,

First of all thanks for your time, thoughts, teaching and help:

We wonder how could we get the metrics from http://[Ip]:[Port]/api/monitor/metrics and use them in Kibana to chart statistics.

We would like to ask you how do you use the api monitor metrics, and as a second question, how would you suggest to utilize them in a third party software as Kibana to chart them.
 

We have thought to do the following:

1. Retrieve Metrics from Intersystems HealthShare API: Use a tool or script to make requests to the Intersystems HealthShare REST API and obtain the list of metrics.

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Question Marlin Mixon · Apr 13, 2021

I was interested in accessing IRIS (Healthshare) using Python.  I found instructions how to this here: https://github.com/intersystems/quickstarts-python/tree/master/Solution…

The installation went well using pip and when python executes "import irisnative" it works fine.  It just fails with a connection timeout when I try "irisnative.createConnection(...)."  Below is my code:

 

import irisnative

# Modify connection info based on your environment
ip = "10.10.
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Question Evgeny Shvarov · Oct 2, 2022

Hi folks!

How can I refer to a classmethod of the same class while coding another classmethod with Embedded python?

I know that I can call it with iris.cls(classname).MethodName(), but it's more cumbersome even comparing with ObjectScript, where I can call ..MethodName().

Compare ObjectScript:

do ..SetupGame()

and the same call in EmbeddedPython:

    iris.cls('eshvarov.sample.SeaBattle.GamePython').SetupGame()

 

Thoughts?

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Question August Turano · Apr 1, 2024

After running many tests to kick the tires calling Python from COS (which worked fine) in any directory,  I encountered problems when trying to access Python libraries like Numpy from any OTHER namespace.   I saw some other posts about this but the resolution seems unclear.   When I run the test program method numpytest below in %SYS it works just fine.  If i run the Python method in any other namespace I get: 

PITT>do ##class(test.python).numpytest()
DO ##CLASS(test.python).

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Question Kevin McGinn · Apr 15, 2022

When looking at the "Current License Usage Summary" web page, there is a line for both local and distributed "Maximum Connections". I have scrutinized every class that seems reasonable to contain this information but have found nothing that matches the values on the web page. I do not believe these are related to license specifically though I did review all of the potential attributes of the license related classes to no avail.

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Question Alin Soare · May 30, 2024

Hi,

I am using Windows 10 and I cannot find an installation source for the irisnative python library.  I tried to install the wheel file provided by intersystems on github (https://github.com/intersystems/quickstarts-python/).

 

c:\wc\quickstarts-python\Solutions\nativeAPI_wheel>pip install irisnative-1.0.0-cp34.cp35.cp36.cp37.cp38.cp39-none-win_amd64.whl
ERROR: irisnative-1.0.0-cp34.cp35.cp36.cp37.cp38.cp39-none-win_amd64.whl is not a supported wheel on this platform.

 

Is irisnative supported on Windows 10 ?  The purpose is to execute ObjectScript command from external python code.

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Question Jonathan Lent · Sep 25, 2023

All,

I've asked my teammate to open a WRC on this issue, but wanted to open the discussion to see if maybe we aren't the first people to see this issue.

The code we are deploying is a COS object with some Python methods. The code works fine locally on the developer's machine. However, when the business process runs in the server environment, we see the following when COS code attempts to call a [Language = python] method:

In component Event Log:
ERROR <Ens>ErrException: <OBJECT DISPATCH>ValidateSheet+9 ^ClientPortal.Process.FinalClientAdjustmentApprovalProcess.

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