Add venv to ubuntu20 to mitigate python version mixup

templates/ubuntu20/common/base.dockerfile.j2

@@ -187,7 +187,7 @@ ARG INSTALL_SOURCES="no"
 ARG DEPS="tzdata \
           curl"
 {% if 'runtime' == distribution %}
-ARG LGPL_DEPS=""
+ARG LGPL_DEPS="python3.9-venv python3-pip"
 ARG INSTALL_PACKAGES="-c=python -c=core"
 {% elif 'dev' == distribution or 'dev_no_samples' == distribution %}
 ARG LGPL_DEPS="g++ \

templates/ubuntu20/dist/dev.dockerfile.j2

@@ -5,15 +5,15 @@ ARG OPENVINO_WHEELS_URL
 # hadolint ignore=SC2102
 RUN apt-get update && apt-get install -y --no-install-recommends cmake make git && rm -rf /var/lib/apt/lists/* && \
     if [ -z "$OPENVINO_WHEELS_URL" ]; then \
-        ${PYTHON_VER} -m pip install --no-cache-dir openvino=="${OPENVINO_WHEELS_VERSION}" && \
-        ${PYTHON_VER} -m pip install --no-cache-dir openvino-tokenizers=="${OPENVINO_WHEELS_VERSION}" && \
-        ${PYTHON_VER} -m pip install --no-cache-dir openvino-genai=="${OPENVINO_WHEELS_VERSION}" && \
-        ${PYTHON_VER} -m pip install --no-cache-dir openvino_dev[caffe,kaldi,mxnet,onnx,pytorch,tensorflow2]=="${OPENVINO_WHEELS_VERSION}" --extra-index-url https://download.pytorch.org/whl/cpu; \
+        python3 -m pip install --no-cache-dir openvino=="${OPENVINO_WHEELS_VERSION}" && \
+        python3 -m pip install --no-cache-dir openvino-tokenizers=="${OPENVINO_WHEELS_VERSION}" && \
+        python3 -m pip install --no-cache-dir openvino-genai=="${OPENVINO_WHEELS_VERSION}" && \
+        python3 -m pip install --no-cache-dir openvino_dev[caffe,kaldi,mxnet,onnx,pytorch,tensorflow2]=="${OPENVINO_WHEELS_VERSION}" --extra-index-url https://download.pytorch.org/whl/cpu; \
     else \
-        ${PYTHON_VER} -m pip install --no-cache-dir --pre openvino=="${OPENVINO_WHEELS_VERSION}" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" && \
-        ${PYTHON_VER} -m pip install --no-cache-dir --pre openvino-tokenizers=="${OPENVINO_WHEELS_VERSION}" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" && \
-        ${PYTHON_VER} -m pip install --no-cache-dir --pre openvino-genai=="${OPENVINO_WHEELS_VERSION}" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" && \
-        ${PYTHON_VER} -m pip install --no-cache-dir --pre openvino_dev[caffe,kaldi,mxnet,onnx,pytorch,tensorflow2]=="${OPENVINO_WHEELS_VERSION}" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" --extra-index-url https://download.pytorch.org/whl/cpu; \
+        python3 -m pip install --no-cache-dir --pre openvino=="${OPENVINO_WHEELS_VERSION}" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" && \
+        python3 -m pip install --no-cache-dir --pre openvino-tokenizers=="${OPENVINO_WHEELS_VERSION}" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" && \
+        python3 -m pip install --no-cache-dir --pre openvino-genai=="${OPENVINO_WHEELS_VERSION}" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" && \
+        python3 -m pip install --no-cache-dir --pre openvino_dev[caffe,kaldi,mxnet,onnx,pytorch,tensorflow2]=="${OPENVINO_WHEELS_VERSION}" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" --extra-index-url https://download.pytorch.org/whl/cpu; \
     fi
 
 WORKDIR ${INTEL_OPENVINO_DIR}/licensing
@@ -37,6 +37,6 @@ RUN ./build_samples.sh -b /tmp/build -i ${INTEL_OPENVINO_DIR}/samples/cpp/sample
 # hadolint ignore=DL3013
 RUN git clone https://github.com/openvinotoolkit/open_model_zoo && \
     sed -i '/opencv-python/d' open_model_zoo/demos/common/python/requirements.txt && \
-    pip3 --no-cache-dir install open_model_zoo/demos/common/python/ && \
+    python3 -m pip --no-cache-dir install open_model_zoo/demos/common/python/ && \
     rm -Rf open_model_zoo && \
     python3 -c "from model_zoo import model_api"

templates/ubuntu20/dist/dev_no_samples.dockerfile.j2

@@ -3,13 +3,13 @@ WORKDIR ${INTEL_OPENVINO_DIR}
 ARG OPENVINO_WHEELS_VERSION={{ product_version }}
 ARG OPENVINO_WHEELS_URL
 # hadolint ignore=SC2102
-RUN ${PYTHON_VER} -m pip install --no-cache-dir cmake && \
+RUN python3 -m pip install --no-cache-dir cmake && \
     if [ -z "$OPENVINO_WHEELS_URL" ]; then \
-        ${PYTHON_VER} -m pip install --no-cache-dir openvino=="$OPENVINO_WHEELS_VERSION" && \
-        ${PYTHON_VER} -m pip install --no-cache-dir openvino_dev[caffe,kaldi,mxnet,onnx,pytorch,tensorflow2]=="$OPENVINO_WHEELS_VERSION" ; \
+        python3 -m pip install --no-cache-dir openvino=="$OPENVINO_WHEELS_VERSION" && \
+        python3 -m pip install --no-cache-dir openvino_dev[caffe,kaldi,mxnet,onnx,pytorch,tensorflow2]=="$OPENVINO_WHEELS_VERSION" ; \
     else \
-        ${PYTHON_VER} -m pip install --no-cache-dir --pre openvino=="$OPENVINO_WHEELS_VERSION" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" && \
-        ${PYTHON_VER} -m pip install --no-cache-dir --pre openvino_dev[caffe,kaldi,mxnet,onnx,pytorch,tensorflow2]=="$OPENVINO_WHEELS_VERSION" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" ; \
+        python3 -m pip install --no-cache-dir --pre openvino=="$OPENVINO_WHEELS_VERSION" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" && \
+        python3 -m pip install --no-cache-dir --pre openvino_dev[caffe,kaldi,mxnet,onnx,pytorch,tensorflow2]=="$OPENVINO_WHEELS_VERSION" --trusted-host=* --find-links "$OPENVINO_WHEELS_URL" ; \
     fi
 
 WORKDIR ${INTEL_OPENVINO_DIR}/licensing

templates/ubuntu20/dist/runtime.dockerfile.j2

@@ -1,5 +1,5 @@
 # Install OpenVINO python API dependency
-RUN ${PYTHON_VER} -m pip install --no-cache-dir numpy==1.24.4
+RUN python3 -m pip install --no-cache-dir numpy==1.24.4
 
 WORKDIR ${INTEL_OPENVINO_DIR}/licensing
 # Please use `third-party-programs-docker-runtime.txt` short path to 3d party file if you use the Dockerfile directly from docker_ci/dockerfiles repo folder

templates/ubuntu20/python/python39.dockerfile.j2

@@ -1,4 +1,5 @@
 # setup Python
-ENV PYTHON_VER python3.9
-
-RUN ${PYTHON_VER} -m pip install --upgrade pip
+ENV VIRTUAL_ENV=/opt/venv
+RUN python3.9 -m venv $VIRTUAL_ENV
+ENV PATH=$VIRTUAL_ENV/bin:$PATH
+RUN python3 --version