Fix develop.nix file for poetry install

default.nix

@@ -0,0 +1,52 @@
+with (import <nixpkgs> {});
+with python311Packages;
+let
+  pyqt5StorePath = lib.getLib pyqt5;
+  pyqt5SipStorePath = lib.getLib pyqt5_sip;
+in
+stdenv.mkDerivation {
+  name = "piker-poetry-shell-with-qt-fix";
+  buildInputs = [
+    # System requirements.
+    libsForQt5.qt5.qtbase
+
+    # Python requirements.
+    python311Full
+    poetry-core
+    pyqt5
+  ];
+  src = null;
+  shellHook = ''
+    set -e
+
+    QTBASE_PATH="${qt5.qtbase.bin}/lib/qt-${qt5.qtbase.version}"
+
+    # Set the Qt plugin path
+    # export QT_DEBUG_PLUGINS=1
+    export QT_PLUGIN_PATH="$QTBASE_PATH/plugins"
+    export QT_QPA_PLATFORM_PLUGIN_PATH="$QT_PLUGIN_PATH/platforms"
+    echo "qt plguin path:     $QT_PLUGIN_PATH"
+    echo ""
+
+    # Maybe create venv & install deps
+    poetry install --with=nix-shell
+
+    # Use pyqt5 from System, patch activate script
+    ACTIVATE_SCRIPT_PATH="$(poetry env info --path)/bin/activate"
+    export PYQT5_PATH="${pyqt5StorePath}/lib/python3.11/site-packages"
+    export PYQT5_SIP_PATH="${pyqt5SipStorePath}/lib/python3.11/site-packages"
+    echo "pyqt5 at:           $PYQT5_PATH"
+    echo "pyqt5-sip at:       $PYQT5_SIP_PATH"
+    echo ""
+
+    PATCH="export PYTHONPATH=\"\$PYQT5_PATH:\$PYQT5_SIP_PATH\""
+    if grep -q "$PATCH" "$ACTIVATE_SCRIPT_PATH"; then
+        echo "venv is already patched."
+    else
+        echo "patching $ACTIVATE_SCRIPT_PATH to use pyqt5 from nixos..."
+        sed -i "\$i$PATCH" $ACTIVATE_SCRIPT_PATH
+    fi
+
+    poetry shell
+  '';
+}