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title Developer Setup
hide_title true
sidebar_label Developer Setup
description Developer Setup

SynapseML Development Setup

  1. Install JDK 11
    • You may need an Oracle login to download.
  2. Install SBT
  3. Fork the repository on GitHub
  4. Clone your fork
    • git clone https://github.com/<your GitHub handle>/SynapseML.git
    • This command will automatically add your fork as the default remote, called origin
  5. Add another Git Remote to track the original SynapseML repo. It's recommended to call it upstream:
  6. Go to the directory where you cloned the repo (for instance, SynapseML) with cd SynapseML
  7. Run sbt to compile and grab datasets
    • sbt setup
  8. Install IntelliJ
  9. Configure IntelliJ
    • Install Scala plugin during initialization
    • OPEN the SynapseML directory from IntelliJ
    • If the project doesn't automatically import, click on build.sbt and import the project
  10. Prepare your Python Environment
    • Install Miniconda
    • Note: if you want to run conda commands from IntelliJ, you may need to select the option to add conda to PATH during installation.
    • Activate the synapseml conda environment by running conda env create -f environment.yml from the synapseml directory. :::note If you're using a Windows machine, remove horovod requirement in the environment.yml file, because horovod installation only supports Linux or macOS. Horovod is used only for namespace synapse.ml.dl. :::
  11. Update the ScalaTest Configuration Template
    • In IntelliJ, select the sandwich menu in the top left.
    • Select Run, then select Edit Configurations. At the bottom of the pop-up, select Edit Configuration Templates.
    • Select ScalaTest from the list on the right
    • Under VM options, add --add-exports java.base/sun.nio.ch=ALL-UNNAMED . Apply the changes.

NOTE

If you will be regularly contributing to the SynapseML repo, you'll want to keep your fork synced with the upstream repository. Please read this GitHub doc to know more and learn techniques about how to do it.

Publishing and Using Build Secrets

To use secrets in the build, you must be part of the synapsemlkeyvault and Azure subscription. If you're MSFT internal and would like to be added, reach out to synapseml-support@microsoft.com

SBT Command Guide

Scala build commands

compile, test:compile and it:compile

Compiles the main, test, and integration test classes respectively

test

Runs all synapsemltests

Fabric test workspace cleanup

core/testOnly com.microsoft.azure.synapse.ml.nbtest.FabricTestCleanup deletes repository-owned test items only when both their creation and last-update times are strictly older than 24 hours, measured in UTC. It uses the existing Fabric integration account and workspace environment variables.

CI runs a named Fabric cleanup preflight task after authentication and build setup, then runs E2E only if that task succeeds. Cleanup results and phase metadata are retained even if E2E is skipped or fails.

Each smoke and notebook suite performs its own cached preflight before creating its first Fabric resource, both in CI and when run directly. CI therefore runs cleanup once in the gate and once more per E2E suite. Suite construction does not connect to Fabric. A failed preflight is reported by the selected tests without retrying cleanup or starting notebook work; successful notebook runs retain their bounded parallel execution and per-job artifact cleanup. Interrupted cleanup preserves the interrupt signal. Store creation and executor setup failures are also cached, so later tests do not repeat initialization or start another notebook batch. Per-job cleanup never suppresses an interrupt or fatal error behind a notebook failure. The cleanup throwable escapes with the earlier notebook failure attached where that throwable permits suppression. An unsuccessful per-job deletion stays tracked for final cleanup.

Set SYNAPSEML_FABRIC_CLEANUP_DRY_RUN=true to preview eligible deletions without changing the workspace. Omit it, or set it to false, to perform cleanup. Review the preview before a manual cleanup. A preview can omit lakehouses whose job definitions have not yet been deleted.

Cleanup recognizes the OSS ownership description on new items and the exact test names and descriptions on older items. A legacy lakehouse without a unique suffix also needs a relationship to an identified OSS test job. Unknown items, missing metadata, active or recently completed jobs, enabled or unknown schedules, and shared dependencies are not deletion candidates. Stores are also retained while any OSS test job remains, or any notebook/job has no usable reference edges, rather than assuming that missing edges prove there are no consumers. Relation entries must contain only GUID references in nonempty objects or arrays. Malformed references or unknown metadata fail the inventory read rather than authorizing cleanup with an incomplete graph. A valid reference elsewhere in the entry cannot hide them.

Job definitions are deleted before their stores. After the deletion API returns, cleanup checks inventory immediately, then makes up to ten more checks with 30-second waits per item. Each item gets a fresh five-minute waiting budget plus request time, not a wall-clock deadline. Confirmation polling never resends DELETE. An unconfirmed or failed deletion prevents store deletion. After failed DELETE requests, independent job deletions are still attempted, and collected errors fail the cleanup afterward. If a deletion cannot be confirmed, or any inventory, job-history, or schedule read fails, cleanup stops immediately. Nonfatal failures from those checks are rethrown with earlier deletion errors attached as suppressed exceptions. Reused exception instances are never added as their own suppressed error; interrupts and fatal errors keep their existing propagation. SQL endpoints are left to Fabric's lakehouse deletion rather than deleted independently. Authentication, inventory, and deletion errors fail the cleanup.

Smoke and notebook job-wait handlers restore interrupt status and propagate interrupts and fatal errors unchanged. Ordinary failures retain the notebook name and the original cause.

scalastyle

Runs scalastyle check on main

test:scalastyle

Runs scalastyle check on test

unidoc

Generates documentation for scala sources

Python Commands

createCondaEnv

Creates a conda environment synapseml from environment.yml if it doesn't already exist. This env is used for python testing. Activate this env before using python build commands.

cleanCondaEnv

Removes synapseml conda env

packagePython

Compiles scala, runs python generation scripts, and creates a wheel

generatePythonDoc

Generates documentation for generated python code

installPipPackage

Installs generated python wheel into existing env

testPython

Generates and runs python tests

Environment + Publishing Commands

getDatasets

Downloads all datasets used in tests to target folder

setup

Combination of compile, test:compile, it:compile, getDatasets

package

Packages the library into a jar

publishBlob

Publishes Jar to SynapseML's Azure blob-based Maven repo. (Requires Keys)

publishLocal

Publishes library to the local Maven repo

publishDocs

Publishes scala and python doc to SynapseML's Azure storage account. (Requires Keys)

publishSigned

Publishes the library to Sonatype staging repo

sonatypeRelease

Promotes the published Sonatype artifact