KhiopsML · tramora · Apr 30, 2026 · Apr 8, 2026 · Apr 15, 2026 · Apr 28, 2026
diff --git a/.github/workflows/dev-docker.yml b/.github/workflows/dev-docker.yml
@@ -5,8 +5,9 @@ env:
   DEFAULT_IMAGE_INCREMENT: 0
   DEFAULT_SERVER_REVISION: main
   DEFAULT_PYTHON_VERSIONS: 3.10 3.11 3.12 3.13 3.14
-  DEFAULT_KHIOPS_GCS_DRIVER_REVISION: 0.0.14
-  DEFAULT_KHIOPS_S3_DRIVER_REVISION: 0.0.14
+  DEFAULT_KHIOPS_GCS_DRIVER_REVISION: 0.0.16
+  DEFAULT_KHIOPS_S3_DRIVER_REVISION: 0.0.15
+  DEFAULT_KHIOPS_AZURE_DRIVER_REVISION: 0.0.6  # XXX : to modify soon
 on:
   pull_request:
     paths: [packaging/docker/khiopspydev/Dockerfile.*, .github/workflows/dev-docker.yml]
@@ -27,7 +28,7 @@ on:
       set-latest:
         type: boolean
         default: false
-        description: Set as 'latest'
+        description: Set as 'latest' (if the current branch is 'main')
       python-versions:
         type: string
         default: 3.10 3.11 3.12 3.13 3.14
@@ -38,12 +39,16 @@ on:
         description: Khiops Server Revision
       khiops-gcs-driver-revision:
         type: string
-        default: 0.0.14
+        default: 0.0.16
         description: Driver version for Google Cloud Storage remote files
       khiops-s3-driver-revision:
         type: string
-        default: 0.0.14
+        default: 0.0.15
         description: Driver version for AWS-S3 remote files
+      khiops-azure-driver-revision:
+        type: string
+        default: 0.0.6  # XXX : to modify soon
+        description: Driver version for Azure remote files and blobs
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
@@ -67,6 +72,7 @@ jobs:
           echo "IMAGE_URL=ghcr.io/khiopsml/khiops-python/khiopspydev-${{ matrix.khiopsdev-os }}" >> "$GITHUB_ENV"
           echo "KHIOPS_GCS_DRIVER_REVISION=${{ inputs.khiops-gcs-driver-revision || env.DEFAULT_KHIOPS_GCS_DRIVER_REVISION }}" >> "$GITHUB_ENV"
           echo "KHIOPS_S3_DRIVER_REVISION=${{ inputs.khiops-s3-driver-revision || env.DEFAULT_KHIOPS_S3_DRIVER_REVISION }}" >> "$GITHUB_ENV"
+          echo "KHIOPS_AZURE_DRIVER_REVISION=${{ inputs.khiops-azure-driver-revision || env.DEFAULT_KHIOPS_AZURE_DRIVER_REVISION }}" >> "$GITHUB_ENV"
       - name: Checkout khiops-python sources
         uses: actions/checkout@v4
       - name: Set up Docker Buildx
@@ -105,6 +111,7 @@ jobs:
             "PYTHON_VERSIONS=${{ inputs.python-versions || env.DEFAULT_PYTHON_VERSIONS }}"
             "KHIOPS_GCS_DRIVER_REVISION=${{ env.KHIOPS_GCS_DRIVER_REVISION }}"
             "KHIOPS_S3_DRIVER_REVISION=${{ env.KHIOPS_S3_DRIVER_REVISION }}"
+            "KHIOPS_AZURE_DRIVER_REVISION=${{ env.KHIOPS_AZURE_DRIVER_REVISION }}"
           tags: ${{ env.DOCKER_IMAGE_TAGS }}
           # Push only on manual request
           push: ${{ inputs.push || false }}

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
@@ -78,39 +78,27 @@ jobs:
         run: |
           CONDA="/root/miniforge3/bin/conda"
 
-          # Native Khiops-based Conda environment, and
-          # `khiops-core`-based Conda environment
-          CONDA_ENVS="py${{ matrix.python-version }} py${{ matrix.python-version }}_conda"
-          for CONDA_ENV in $CONDA_ENVS
-          do
-            mkdir -p -m u+rwx reports/"$CONDA_ENV"
+          # Native Khiops-based Conda environment (to test in a specific python version)
+          CONDA_ENV=py${{ matrix.python-version }}
+          mkdir -p -m u+rwx reports/"$CONDA_ENV"
 
-            # install within the conda environments without activating them
-            $CONDA install -y -n "$CONDA_ENV" unittest-xml-reporting
-            $CONDA install -y -n "$CONDA_ENV" --file test-requirements.txt
-          done
+          # install within the conda environments without activating them
+          $CONDA install -y -n "$CONDA_ENV" unittest-xml-reporting
+          $CONDA install -y -n "$CONDA_ENV" --file test-requirements.txt
       - name: Install khiops-python dependencies
         if: success() || failure()
         run: |
-          # The following git command is required,
-          # as the Git repository is in a directory the current user does not own,
-          # Python versioneer fails to compute the current version correctly otherwise
-          git config --global --add safe.directory $(realpath .)
           CONDA="/root/miniforge3/bin/conda"
-          # Native Khiops-based Conda environment, and
-          # `khiops-core`-based Conda environment
-          CONDA_ENVS="py${{ matrix.python-version }} py${{ matrix.python-version }}_conda"
-          for CONDA_ENV in $CONDA_ENVS
-          do
-            # Since Python 3.13, setuptools is not installed automatically anymore
-            $CONDA install -y -n "$CONDA_ENV" setuptools
+          # Native Khiops-based Conda environment (to test in a specific python version)          
+          CONDA_ENV=py${{ matrix.python-version }}
+          # Since Python 3.13, setuptools is not installed automatically anymore
+          $CONDA install -y -n "$CONDA_ENV" setuptools
 
-            # Add homogeneous TOML support (Python >= 3.12 has standard tomllib)
-            $CONDA install -y -n "$CONDA_ENV" tomli
-            $CONDA run --no-capture-output -n "$CONDA_ENV" python scripts/extract_dependencies_from_pyproject_toml.py -f "pyproject.toml" > requires.txt
-            $CONDA install -y -n "$CONDA_ENV" `cat requires.txt`
-            rm -f requires.txt
-          done
+          # Add homogeneous TOML support (Python >= 3.12 has standard tomllib)
+          $CONDA install -y -n "$CONDA_ENV" tomli
+          $CONDA run --no-capture-output -n "$CONDA_ENV" python scripts/extract_dependencies_from_pyproject_toml.py -f "pyproject.toml" > requires.txt
+          $CONDA install -y -n "$CONDA_ENV" `cat requires.txt`
+          rm -f requires.txt
       - name: Configure Expensive Tests Setting
         # Skip expensive tests by default, unless on the `main-v10` or `main` branches
         if: github.ref != 'main-v10' && github.ref != 'main' && ! inputs.run-expensive-tests
@@ -138,21 +126,32 @@ jobs:
           echo "Generated AWS configuration..."
           cat  ${GITHUB_WORKSPACE}/.aws/configuration
           /scripts/run_fake_remote_file_servers.sh .  # launch the servers in the background
+
           # Set environment variables for the tests with GCS
           GCS_BUCKET_NAME=data-test-khiops-driver-gcs/khiops_data
           GCS_DRIVER_LOGLEVEL=info  # set to debug for diagnosis
+
           # Set environment variables for the tests with S3
           S3_DRIVER_LOGLEVEL=info  # set to debug for diagnosis
           S3_BUCKET_NAME=s3-bucket
           AWS_SHARED_CREDENTIALS_FILE=${{ github.workspace }}/.aws/credentials
           AWS_CONFIG_FILE=${{ github.workspace }}/.aws/configuration
+
+          # Set environment variables for the tests with Azure
+          AZURE_STORAGE_CONNECTION_STRING='${{ secrets.AZURE_CONNECTION_STRING }}'
+          CLOUD_BLOB_URI_PREFIX=${{ vars.CLOUD_BLOB_URI_PREFIX }}
+          CLOUD_FILE_URI_PREFIX=${{ vars.CLOUD_FILE_URI_PREFIX }}
+
           # Persist environment variables for subsequent steps
           echo "GCS_BUCKET_NAME=${GCS_BUCKET_NAME}" >> "$GITHUB_ENV"
           echo "GCS_DRIVER_LOGLEVEL=${GCS_DRIVER_LOGLEVEL}" >> "$GITHUB_ENV"
           echo "S3_DRIVER_LOGLEVEL=${S3_DRIVER_LOGLEVEL}" >> "$GITHUB_ENV"
           echo "S3_BUCKET_NAME=${S3_BUCKET_NAME}" >> "$GITHUB_ENV"
           echo "AWS_SHARED_CREDENTIALS_FILE=${AWS_SHARED_CREDENTIALS_FILE}" >> "$GITHUB_ENV"
           echo "AWS_CONFIG_FILE=${AWS_CONFIG_FILE}" >> "$GITHUB_ENV"
+          echo "AZURE_STORAGE_CONNECTION_STRING=${AZURE_STORAGE_CONNECTION_STRING}" >> "$GITHUB_ENV"
+          echo "CLOUD_BLOB_URI_PREFIX=${CLOUD_BLOB_URI_PREFIX}" >> "$GITHUB_ENV"
+          echo "CLOUD_FILE_URI_PREFIX=${CLOUD_FILE_URI_PREFIX}" >> "$GITHUB_ENV"
       - name: Authenticate to GCP using "Workload Identity Federation"
         if: env.SKIP_EXPENSIVE_TESTS != 'true'
         # For integration tests on GCS we use a real Google account
@@ -186,23 +185,17 @@ jobs:
           # version is retrieved
           git config --global --add safe.directory $(realpath .)
           CONDA="/root/miniforge3/bin/conda"
-          # Native Khiops-based Conda environment, and
-          # `khiops-core`-based Conda environment
-          CONDA_ENVS="py${{ matrix.python-version }} py${{ matrix.python-version }}_conda"
-          for CONDA_ENV in $CONDA_ENVS
-          do
-            $CONDA run --no-capture-output -n "$CONDA_ENV" coverage run -m xmlrunner -o "reports/$CONDA_ENV" -v
-            $CONDA run --no-capture-output -n "$CONDA_ENV" coverage report -m
-            $CONDA run --no-capture-output -n "$CONDA_ENV" coverage xml -o "reports/$CONDA_ENV/py-coverage.xml"
-          done
+          # Native Khiops-based Conda environment (to test in a specific python version)          
+          CONDA_ENV=py${{ matrix.python-version }}
+          $CONDA run --no-capture-output -n "$CONDA_ENV" coverage run -m xmlrunner -o "reports/$CONDA_ENV" -v
+          $CONDA run --no-capture-output -n "$CONDA_ENV" coverage report -m
+          $CONDA run --no-capture-output -n "$CONDA_ENV" coverage xml -o "reports/$CONDA_ENV/py-coverage.xml"
       - name: Display Test Reports
         if: success() || failure()
         uses: dorny/test-reporter@v1
         with:
           name: Run Tests ${{ matrix.python-version }}
-          path: >-
-            reports/py${{ matrix.python-version }}/TEST-tests.*.*.xml,
-            reports/py${{ matrix.python-version }}_conda/TEST-tests.*.*.xml
+          path: reports/py${{ matrix.python-version }}/TEST-tests.*.*.xml
           reporter: java-junit
           path-replace-backslashes: 'true'  # Necessary for windows paths
           fail-on-error: 'false'
@@ -214,8 +207,6 @@ jobs:
           path: |-
             reports/py${{ matrix.python-version }}/TEST-tests.*.*.xml
             reports/py${{ matrix.python-version }}/py-coverage.xml
-            reports/py${{ matrix.python-version }}_conda/TEST-tests.*.*.xml
-            reports/py${{ matrix.python-version }}_conda/py-coverage.xml
             tests/resources/scenario_generation/*/ref/*._kh
             tests/resources/scenario_generation/*/output/*._kh
             tests/resources/*/output_reports/*.txt

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -10,6 +10,7 @@
 
 ### Added
 - (`sklearn`) `keep_selected_variables_only` parameter to the predictors (`KhiopsClassifier` and `KhiopsRegressor`)
+- (General) Support for Azure storage
 
 ### Changed
 - (`core`) Rename `variable_part_dimensions` to `inner_variable_dimensions` in Coclustering results.