switch env_image.sh to uv

Author: emilykl

.circleci/env_image.sh

@@ -4,21 +4,23 @@ set -e
 sudo apt-get install fonts-liberation2 fonts-open-sans fonts-noto-cjk fonts-noto-color-emoji
 
 # install pip
-sudo curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
-sudo python3 get-pip.py
+curl -LsSf https://astral.sh/uv/install.sh | sh
+uv venv
+source .venv/bin/activate
 
 # install additional fonts
-sudo python3 -m pip install requests
-sudo python3 .circleci/download_google_fonts.py
+uv pip install requests
+python .circleci/download_google_fonts.py
 sudo cp -r .circleci/fonts/ /usr/share/
 sudo apt install fontconfig
 sudo fc-cache -f
 
 # install kaleido & plotly
-sudo python3 -m pip install "plotly==6.5" "kaleido==1.2" --progress-bar off
+uv pip install "plotly==6.5" "kaleido==1.2" --no-progress
 
 # install numpy i.e. to convert arrays to typed arrays
-sudo python3 -m pip install "numpy==2.3" --progress-bar off
+uv pip install "numpy==2.3" --no-progress
 
-# verify versions of installed python packages
-sudo python3 -m pip freeze
+# verify version of python and versions of installed python packages
+python --version
+uv pip freeze