[GitLabCI] use venv and add venv to artifact path.

.gitlab/ci/build.gitlab-ci.yml

@@ -2,6 +2,8 @@ build:ubuntu_cpp:
   stage: build
   tags:
     - docker
+  image: n2d2-ci/ubuntu20.04/cpu:latest
+
   script:
     - mkdir -p build_cpp
     - mkdir -p install_cpp
@@ -18,10 +20,14 @@ build:ubuntu_python:
   stage: build
   tags:
     - docker
+  image: n2d2-ci/ubuntu20.04/cpu:latest
+
   script:
+    - python3 -m pip install virtualenv
+    - virtualenv venv
+    - source venv/bin/activate
     - export AIDGE_INSTALL=`pwd`/install
-    - python3 -m pip install . -v
+    - python3 -m pip install .
   artifacts:
     paths:
-      - build/
-      - install/
+      - venv/
\ No newline at end of file

.gitlab/ci/test.gitlab-ci.yml

@@ -3,6 +3,7 @@ test:ubuntu_cpp:
   needs: ["build:ubuntu_cpp"]
   tags:
     - docker
+  image: n2d2-ci/ubuntu20.04/cpu:latest
   script:
     - cd build_cpp
     - ctest --output-on-failure
@@ -12,6 +13,7 @@ test:ubuntu_python:
   needs: ["build:ubuntu_python"]
   tags:
     - docker
+  image: n2d2-ci/ubuntu20.04/cpu:latest
   script:
     - cd aidge_core
     - python3 -m pip list