[docker] update dockerfile for python2

- move to docker folder
- split between deps and meshroom
- new extract files script

docker/Dockerfile_centos_deps_py2

@@ -0,0 +1,68 @@
+ARG AV_VERSION
+ARG CUDA_VERSION
+ARG CENTOS_VERSION=7
+FROM alicevision/alicevision:${AV_VERSION}-centos${CENTOS_VERSION}-cuda${CUDA_VERSION}
+LABEL maintainer="AliceVision Team alicevision-team@googlegroups.com"
+
+# Execute with nvidia docker (https://github.com/nvidia/nvidia-docker/wiki/Installation-(version-2.0))
+# docker run -it --runtime=nvidia meshroom
+
+ENV MESHROOM_DEV=/opt/Meshroom \
+    MESHROOM_BUILD=/tmp/Meshroom_build \
+    MESHROOM_BUNDLE=/opt/Meshroom_bundle \
+    QT_DIR=/opt/Qt5.14.1/5.14.1/gcc_64 \
+    QT_CI_LOGIN=alicevisionjunk@gmail.com \
+    QT_CI_PASSWORD=azerty1.
+
+WORKDIR ${MESHROOM_BUNDLE}
+RUN mv "${AV_BUNDLE}" "${MESHROOM_BUNDLE}/aliceVision" && \
+    rm -rf ${MESHROOM_BUNDLE}/aliceVision/share/doc \
+           ${MESHROOM_BUNDLE}/aliceVision/share/eigen3 \
+           ${MESHROOM_BUNDLE}/aliceVision/share/fonts \
+           ${MESHROOM_BUNDLE}/aliceVision/share/lemon \
+           ${MESHROOM_BUNDLE}/aliceVision/share/libraw \
+           ${MESHROOM_BUNDLE}/aliceVision/share/man \
+           ${MESHROOM_BUNDLE}/aliceVision/share/pkgconfig
+
+# Install libs needed by Qt
+RUN yum install -y \
+        flex \
+        fontconfig \
+        freetype \
+        glib2 \
+        libICE \
+        libX11 \
+        libxcb \
+        libXext \
+        libXi \
+        libXrender \
+        libSM \
+        libXt-devel \
+        libGLU-devel \
+        mesa-libOSMesa-devel \
+        mesa-libGL-devel \
+        mesa-libGLU-devel \
+        xcb-util-keysyms \
+        xcb-util-image \
+        libxkbcommon-x11
+
+# Install Python2
+RUN yum install -y python-devel && \
+    curl https://bootstrap.pypa.io/get-pip.py -o /tmp/get-pip.py && \
+    python /tmp/get-pip.py && \
+    pip install --upgrade pip
+
+COPY ./*requirements.txt ./setup.py ${MESHROOM_DEV}/
+
+# Install Meshroom requirements and freeze bundle
+WORKDIR "${MESHROOM_DEV}"
+RUN pip install -r dev_requirements.txt -r requirements.txt
+
+# Install Qt (to build plugins)
+WORKDIR /tmp/qt
+COPY dl/qt.run /tmp/qt
+COPY ./docker/qt-installer-noninteractive.qs ${MESHROOM_DEV}/docker/
+RUN chmod +x qt.run && \
+    ./qt.run --verbose --platform minimal --script "${MESHROOM_DEV}/docker/qt-installer-noninteractive.qs" && \
+    rm qt.run
+