rhel8: python3.12

Author: culhatsker

templates/rhel8/common/base.dockerfile.j2

@@ -51,16 +51,17 @@ RUN curl --insecure -LO https://dl.fedoraproject.org/pub/epel/epel-release-lates
         libmfx-devel \
         cmake \
         git \
-        python39-devel \
-        python39-pip \
+        python3.12-devel \
+        python3-pip \
+        python3-virtualenv \
         gcc-c++  \
         gcc \
     && dnf clean all
 
 RUN rm -rf /etc/pki/entitlement && rm -rf /etc/rhsm
 
 # hadolint ignore=DL3013
-RUN python3 -m pip install --no-cache-dir numpy==1.23.1
+RUN python3.12 -m pip install --no-cache-dir numpy==2.3.4
 ARG OPENCV_BRANCH=4.10.0
 WORKDIR /opt/repo
 RUN git clone https://github.com/opencv/opencv.git
@@ -190,14 +191,14 @@ COPY --from=base /opt/intel /opt/intel
 {% endif %}
 
 {% if 'runtime' == distribution %}
-ARG LGPL_DEPS="bash python39" # no new packages
+ARG LGPL_DEPS="bash python3.12" # no new packages
 ARG INSTALL_PACKAGES="-c=python -c=core"
 {% else %}
 ARG LGPL_DEPS="gcc-c++ \
                glibc \
                libstdc++ \
                libgcc \
-               python39"
+               python3.12"
 ARG INSTALL_PACKAGES="-c=opencv_req -c=python -c=opencv_opt -c=core -c=dev"
 {% endif %}
 ARG INSTALL_SOURCES="no"

templates/rhel8/python/python312.dockerfile.j2

@@ -0,0 +1,7 @@
+# setup Python
+ENV VIRTUAL_ENV=/opt/venv
+RUN python3.12 -m venv $VIRTUAL_ENV
+ENV PATH=$VIRTUAL_ENV/bin:$PATH
+
+# hadolint ignore=DL3013
+RUN python3 -m pip install  --no-cache-dir --upgrade pip

templates/rhel8/python/python39.dockerfile.j2

@@ -517,19 +517,10 @@ def parse_args(name: str, description: str):  # noqa
                 )
 
         if not args.python:
-            if args.os == "ubuntu24":
-                args.python = "python312"
-            elif args.os == "ubuntu22":
+            if args.os == "ubuntu22":
                 args.python = "python310"
             else:
-                args.python = "python39"
-
-        if args.python == "python38" and "win" in args.os:
-            if not hasattr(args, "pre_stage_msbuild") or not args.pre_stage_msbuild:
-                parser.error(
-                    "Option --pre_stage_msbuild is required for Windows images to build the latest version "
-                    "of Python 3.8"
-                )
+                args.python = "python312"
 
         if not args.distribution and args.package_url:
             if "_runtime_" in args.package_url: