build(pro): update to use pro guest attachment

pyproject.toml

@@ -326,6 +326,10 @@ conflicts = [
         { extra = "apt-plucky" },
     ]
 ]
+build-constraint-dependencies = [
+    # needed until we have rustc >= 1.78
+    "maturin<1.10.0 ; python_version < '3.14'",
+]
 
 [dependency-groups]
 dev = [

snap/snapcraft.yaml

@@ -99,14 +99,18 @@ parts:
     prime:
       - -usr/include
 
+  python3-apt:
+    plugin: nil
+    build-attributes:
+      - enable-patchelf
+    stage-packages:
+      - python3-apt
+    organize:
+      "usr/lib/python3/dist-packages/*": "lib/python3.12/site-packages/"
+
   rockcraft:
     source: .
-    plugin: python
-    python-requirements:
-      # These will be generated by override-build
-      - uv-requirements.txt
-      # This has the source for python-apt for noble
-      - requirements-noble.txt
+    plugin: uv
     build-attributes:
       - enable-patchelf
     build-packages:
@@ -115,45 +119,34 @@ parts:
       - astral-uv
     build-environment:
       - "CFLAGS": "$(pkg-config python-3.12 yaml-0.1 --cflags)"
-      - "PIP_NO_BINARY": ":all:"
       - UV_FROZEN: "true"
-      - UV_PYTHON: /usr/bin/python3
+      - UV_NO_BINARY: "true"
+      # Parallel make jobs for things like python-apt
       - MAKEOPTS: -j$(nproc --all)
+      - UV_COMPILE_BYTECODE: "true"
     organize:
       bin/craftctl: libexec/rockcraft/craftctl
       # Extensions currently expect to find data files in share/rockcraft/
       "**/site-packages/extensions": share/rockcraft/extensions
     override-build: |
-
-      # Bug: If git sources are used for any of the requirements (eg. package from a development branch), 
-      # the build will fail because the hashes provided by uv by default trigger pip to validate all
-      # the packages. If any package does provide a hash, such as a git source the validation will fail.
-      # Fix: remove the hashes from all requirements files if they are present with git sources
-      uv export --no-dev --no-emit-workspace --no-emit-package pywin32 --output-file uv-requirements.txt
-
-
-      requirements_pattern='*requirements*.txt'
-      hash_pattern='--hash=sha256:[a-f0-9]{64}'
-      if grep -P -- $hash_pattern $requirements_pattern > /dev/null ; then
-
-        echo "Warning: git sources detected in uv-requirements.txt, rebuilding requirements without hashes."
-
-        for req_txt in $requirements_pattern; do 
-          sed -Ei s/$hash_pattern// $req_txt
-        done
-      fi
-
       ${SNAP}/libexec/snapcraft/craftctl default
 
-      version="$("${CRAFT_STAGE}/usr/bin/python3" -c "import rockcraft;print(rockcraft.__version__)")"
+      version="$(uv pip show rockcraft | grep "Version:" | cut -d' ' -f2)"
       ${SNAP}/libexec/snapcraft/craftctl set version="$version"
+
       [ -n "$(echo $version | grep "post")" ] && grade=devel || grade=stable
       ${SNAP}/libexec/snapcraft/craftctl set grade="${grade}"
 
       sed -i -e '1 s|^#!/.*|#!/snap/rockcraft/current/bin/python -E|' $CRAFT_PART_INSTALL/bin/craftctl
+
+      # Fix the Python executable from uv, which had bad symlinks
+      rm $CRAFT_PART_INSTALL/bin/python*
+      ln -s ../usr/bin/python3 $CRAFT_PART_INSTALL/bin/python3
+      ln -s python3 $CRAFT_PART_INSTALL/bin/python
     after:
       - rockcraft-libs
       - libgit2
+      - python3-apt
 
   bash-completion:
     after: [rockcraft]

tests/spread/pro/packages/task.yaml

@@ -19,8 +19,9 @@ environment:
   PACK_ARGS/managed_standard_stage_full: ""
 
 prepare: |
-  sudo pro attach --no-auto-enable $UBUNTU_PRO_TOKEN 
+  sudo pro attach --no-auto-enable $UBUNTU_PRO_TOKEN
   sudo pro enable --assume-yes $ENV_PRO_ARG
+  sudo pro config set lxd_guest_attach=available
 
 execute: |