fix: update snap to build with uv

pyproject.toml

@@ -349,7 +349,7 @@ ignore-decorators = [  # Functions with these decorators don't have to have docs
 
 [[tool.uv.index]]
 name = "python-apt-wheels"
-url = "https://people.canonical.com/~lengau/python-apt-pypi/"
+url = "https://people.canonical.com/~lengau/python-apt-ubuntu-wheels/"
 
 [tool.uv]
 constraint-dependencies = [
@@ -399,6 +399,4 @@ dev = [
     "pytest-mock>=3.14.0",
     "pytest-subprocess>=1.5.2",
     "responses>=0.25.3",
-    # Repeating the apt extra so dev environments on Linux always get python-apt.
-    "python-apt>=2.4.0;sys_platform=='linux'"
 ]

snap/hooks/configure

@@ -1,4 +1,6 @@
-#!/usr/bin/env python3
+#!/bin/sh
+'''exec' "$(dirname -- "$(realpath -- "$0")")"/../../bin/'python3' "$0" "$@"
+' '''
 
 """Clean all related obsoleted and outdated LXD base images and instances.
 

snap/hooks/remove

@@ -1,4 +1,6 @@
-#!/usr/bin/env python3
+#!/bin/sh
+'''exec' "$(dirname -- "$(realpath -- "$0")")"/../../bin/'python3' "$0" "$@"
+' '''
 
 """Remove all related LXD images and instances when removing the snap."""
 

snap/snapcraft.yaml

@@ -123,10 +123,7 @@ parts:
   charmcraft:
     after: [charmcraft-libs, libgit2]
     source: .
-    plugin: python
-    python-requirements:
-      - requirements-jammy.txt
-      - requirements.txt
+    plugin: nil
     build-environment:
       # CFLAGS for Python 3.10 and libyaml. Allows cryptography and pyyaml to find
       # the appropriate system libraries.
@@ -136,27 +133,53 @@ parts:
       - PIP_NO_BINARY: ":all:"
       - CRYPTOGRAPHY_OPENSSL_NO_LEGACY: "true"
       - UV_FROZEN: "true"
-      - UV_PYTHON: /usr/bin/python3
+      - MAKEOPTS: -j$(nproc --all)
+      - UV_PYTHON_DOWNLOADS: never
+      - UV_COMPILE_BYTECODE: "true"
+      - CLICOLOR_FORCE: "true"
     build-attributes:
       - enable-patchelf
     override-pull: |
-      craftctl default
+      # Need the full path for craftctl because we stage our own craftctl to the path.
+      /snap/snapcraft/current/libexec/snapcraft/craftctl default
       # Ensure we don't have a dubious ownership error from git with a remote build.
       git config --global --add safe.directory $CRAFT_PART_SRC
-      # set the version
-      version="$(python3 setup.py --version)"
-      craftctl set version="${version}"
-      [ -n "$(echo $version | grep "post")" ] && grade=devel || grade=stable
-      craftctl set grade="${grade}"
       # Set up the rust compiler
       rustup default 1.79
     override-build: |
-      uv export --no-dev --no-emit-workspace --output-file $CRAFT_PART_SRC/requirements.txt
-      craftctl default
-      cp -v completion.bash ../install
-      sed -i -e '1 s|^#!/.*|#!/snap/charmcraft/current/bin/python -E|' $CRAFT_PART_INSTALL/bin/craftctl
-    organize:
-      bin/craftctl: libexec/charmcraft/craftctl
+      uv export --no-dev --output-file=requirements.txt
+      uv venv --relocatable $CRAFT_PART_INSTALL
+      uv pip install --python $CRAFT_PART_INSTALL/bin/python -r requirements-jammy.txt -r requirements.txt
+      uv pip install --python $CRAFT_PART_INSTALL/bin/python --link-mode copy "charmcraft @ $CRAFT_PART_BUILD"
+      cp -v completion.bash $CRAFT_PART_INSTALL
+
+      mkdir -p $CRAFT_PART_INSTALL/libexec/charmcraft
+      ln -s ../../bin/craftctl $CRAFT_PART_INSTALL/libexec/charmcraft/craftctl
+
+      version="$(uv --quiet run charmcraft --version | cut -d' ' -f2)"
+      /snap/snapcraft/current/libexec/snapcraft/craftctl set version="${version}"
+      [ -n "$(echo $version | grep "post")" ] && grade=devel || grade=stable
+      /snap/snapcraft/current/libexec/snapcraft/craftctl set grade="${grade}"
+
+      rm $CRAFT_PART_INSTALL/bin/python*
+      rm $CRAFT_PART_INSTALL/lib64
+      ln -s ../usr/bin/python3 $CRAFT_PART_INSTALL/bin/python3
+      ln -s python3 $CRAFT_PART_INSTALL/bin/python
+    stage:
+      - -bin/activate*
+      - -bin/chardetect
+      - -bin/craft-providers
+      - -bin/distro
+      - -bin/jsonschema
+      - -bin/deactivate*
+      - -bin/keyring
+      - -bin/normalizer
+      - -bin/pip*
+      - -bin/pydoc*
+      - -bin/snap-helpers
+      - -bin/tabulate
+    # organize:
+    #   bin/craftctl: libexec/charmcraft/craftctl
 
   skopeo:  # Copied from Rockcraft
     plugin: nil