feat(24.04): add python3-pip slices

slices/python3-pip.yaml

@@ -0,0 +1,35 @@
+package: python3-pip
+
+essential:
+  - python3-pip_copyright
+
+slices:
+  bins:
+    # Although pip requires python3, python3.x slices are not listed as an
+    # essential here because we might choose to install python3-pip with
+    # different versions of python3.
+    # For pip with python3.12, please use the "bins3-12" slice.
+    essential:
+      - python3-pip_libs
+    contents:
+      /usr/bin/pip:
+      /usr/bin/pip3:
+
+  libs:
+    essential:
+      - ca-certificates_data
+      - python3-setuptools_libs
+      - python3-wheel_libs
+    contents:
+      /usr/lib/python3/dist-packages/pip-*.dist-info/**:
+      /usr/lib/python3/dist-packages/pip/**:
+
+  # pip binaries with python3.12.
+  bins3-12:
+    essential:
+      - python3-pip_bins
+      - python3.12_standard
+
+  copyright:
+    contents:
+      /usr/share/doc/python3-pip/copyright:

slices/python3-pkg-resources.yaml

@@ -0,0 +1,16 @@
+package: python3-pkg-resources
+
+essential:
+  - python3-pkg-resources_copyright
+
+slices:
+  libs:
+    # Although pkg-resources requires python3, python3.x slices are not listed
+    # as an essential here because we might choose to install
+    # python3-pkg-resources with different versions of python3.
+    contents:
+      /usr/lib/python3/dist-packages/pkg_resources/**:
+
+  copyright:
+    contents:
+      /usr/share/doc/python3-pkg-resources/copyright:

slices/python3-setuptools.yaml

@@ -0,0 +1,20 @@
+package: python3-setuptools
+
+essential:
+  - python3-setuptools_copyright
+
+slices:
+  libs:
+    # Although setuptools requires python3, python3.x slices are not listed as
+    # an essential here because we might choose to install python3-setuptools
+    # with different versions of python3.
+    essential:
+      - python3-pkg-resources_libs
+    contents:
+      /usr/lib/python3/dist-packages/_distutils_hack/**:
+      /usr/lib/python3/dist-packages/setuptools-*.egg-info/**:
+      /usr/lib/python3/dist-packages/setuptools/**:
+
+  copyright:
+    contents:
+      /usr/share/doc/python3-setuptools/copyright:

slices/python3-wheel.yaml

@@ -0,0 +1,17 @@
+package: python3-wheel
+
+essential:
+  - python3-wheel_copyright
+
+slices:
+  libs:
+    # Although wheel requires python3, python3.x slices are not listed as an
+    # essential here because we might choose to install python3-wheel with
+    # different versions of python3.
+    contents:
+      /usr/lib/python3/dist-packages/wheel-*.dist-info/**:
+      /usr/lib/python3/dist-packages/wheel/**:
+
+  copyright:
+    contents:
+      /usr/share/doc/python3-wheel/copyright:

tests/spread/integration/python3-pip/task.yaml

@@ -0,0 +1,11 @@
+summary: Integration tests for python3-pip
+
+execute: |
+  rootfs="$(install-slices python3-pip_bins3-12)"
+
+  # pip depends on python3.
+  ln -s /usr/bin/python3.12 ${rootfs}/usr/bin/python3
+
+  # Smoke tests.
+  chroot ${rootfs} /usr/bin/pip --version
+  chroot ${rootfs} /usr/bin/pip install --upgrade setuptools