- Replace pip3 with uv pip in pipinstall and pipuninstall, using uv venv to create the plugin venv and --python to target it directly without requiring shell activation. (#2902)

- Set UV_CACHE_DIR to /gems/uv/ so the runtime uv cache persists on the gems volume across container restarts.

Author: mcosgriff

openc3/Dockerfile

@@ -58,4 +58,5 @@ RUN mkdir /gems && chown openc3:openc3 /gems \
 
 ENV HOME=/openc3
 ENV XDG_CACHE_HOME=/tmp/.cache
+ENV UV_CACHE_DIR=/gems/uv/
 USER ${USER_ID}:${GROUP_ID}

openc3/bin/pipinstall

@@ -1,14 +1,13 @@
 #!/bin/sh
-python3 -m venv $PYTHONUSERBASE
-source $PYTHONUSERBASE/bin/activate
-echo "pip3 install $@"
-pip3 install "$@"
+uv venv "$PYTHONUSERBASE"
+echo "uv pip install $@"
+uv pip install --python "$PYTHONUSERBASE" "$@"
 if [ $? -eq 0 ]; then
     echo "Command succeeded"
 else
     echo "Command failed - retrying with --no-index"
-    pip3 install --no-index "$@"
-    if [ $? -eq 0 ]; then
-        echo "ERROR: pip3 install failed"
+    uv pip install --python "$PYTHONUSERBASE" --no-index "$@"
+    if [ $? -ne 0 ]; then
+        echo "ERROR: uv pip install failed"
     fi
 fi

openc3/bin/pipuninstall

@@ -1,10 +1,8 @@
 #!/bin/sh
-python3 -m venv $PYTHONUSERBASE
-source $PYTHONUSERBASE/bin/activate
-echo "pip3 uninstall $@"
-pip3 uninstall "$@"
+echo "uv pip uninstall $@"
+uv pip uninstall --python "$PYTHONUSERBASE" "$@"
 if [ $? -eq 0 ]; then
     echo "Command succeeded"
 else
-    echo "ERROR: pip3 uninstall failed"
+    echo "ERROR: uv pip uninstall failed"
 fi