feat(transformers): merge sentencetransformers backend (#4624)

* merge sentencetransformers

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Add alias to silently redirect sentencetransformers to transformers

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Add alias also for transformers-musicgen

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Drop from makefile

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Move tests from sentencetransformers

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Remove sentencetransformers

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Remove tests from CI (part of transformers)

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Do not always try to load the tokenizer

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Adapt tests

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Fix typo

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

* Tiny adjustments

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

---------

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

.github/workflows/test-extra.yml

@@ -35,30 +35,6 @@ jobs:
         run: |
            make --jobs=5 --output-sync=target -C backend/python/transformers
            make --jobs=5 --output-sync=target -C backend/python/transformers test
-
-  tests-sentencetransformers:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone
-        uses: actions/checkout@v4
-        with:
-          submodules: true
-      - name: Dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install build-essential ffmpeg
-          # Install UV
-          curl -LsSf https://astral.sh/uv/install.sh | sh
-          sudo apt-get install -y ca-certificates cmake curl patch python3-pip
-          sudo apt-get install -y libopencv-dev
-          pip install --user --no-cache-dir grpcio-tools==1.64.1
-
-      - name: Test sentencetransformers
-        run: |
-           make --jobs=5 --output-sync=target -C backend/python/sentencetransformers
-           make --jobs=5 --output-sync=target -C backend/python/sentencetransformers test
-
-
   tests-rerankers:
     runs-on: ubuntu-latest
     steps:

.github/workflows/test.yml

@@ -100,8 +100,7 @@ jobs:
           # The python3-grpc-tools package in 22.04 is too old
           pip install --user grpcio-tools
 
-          sudo rm -rfv /usr/bin/conda || true
-          PATH=$PATH:/opt/conda/bin make -C backend/python/sentencetransformers
+          make -C backend/python/transformers
 
           # Pre-build piper before we start tests in order to have shared libraries in place
           make sources/go-piper && \