Merge "build-python-release: pyproject-build by default"

roles/build-python-release/README.rst

@@ -2,19 +2,25 @@ Build sdist and wheel for Python projects.
 
 **Role Variables**
 
-.. zuul:rolevar:: release_python
-   :default: python
-
-   The python interpreter to use. Set it to "python3" to use python 3,
-   for example.
-
 .. zuul:rolevar:: build_wheel
    :default: true
 
    Whether to build a wheel. Set to false to just build an sdist tarball.
 
+.. zuul:rolevar:: legacy_setup
+   :default: false
+
+   By default, the role uses pyproject-build. Set this to true if you need
+   to use old-style direct invocation of setup.py instead.
+
+.. zuul:rolevar:: release_python
+   :default: python
+
+   The python interpreter to use. Set it to "python3" to use python 3,
+   for example. Only relevant when legacy_setup is enabled.
+
 .. zuul:rolevar:: bdist_wheel_xargs
    :default: ''
 
    Extra arguments to pass to the bdist_wheel command when building
-   packages.
+   packages. Only relevant when legacy_setup is enabled.

roles/build-python-release/defaults/main.yaml

@@ -2,3 +2,4 @@ zuul_work_dir: "{{ zuul.project.src_dir }}"
 release_python: "python"
 bdist_wheel_xargs: ""
 build_wheel: true
+legacy_setup: false

roles/build-python-release/tasks/main.yaml

@@ -1,10 +1,32 @@
-- name: Build a tarball and wheel
-  command: "{{ release_python }} setup.py sdist bdist_wheel {{ bdist_wheel_xargs }}"
-  args:
-    chdir: "{{ zuul_work_dir }}"
-  when: build_wheel
-- name: Just build a tarball
-  command: "{{ release_python }} setup.py sdist"
-  args:
-    chdir: "{{ zuul_work_dir }}"
-  when: not build_wheel
+- name: Build sdist and wheel with setup.py
+  when: legacy_setup
+  block:
+
+  - name: Build a tarball and wheel
+    command: "{{ release_python }} setup.py sdist bdist_wheel {{ bdist_wheel_xargs }}"
+    args:
+      chdir: "{{ zuul_work_dir }}"
+    when: build_wheel
+  - name: Just build a tarball
+    command: "{{ release_python }} setup.py sdist"
+    args:
+      chdir: "{{ zuul_work_dir }}"
+    when: not build_wheel
+
+- name: Build sdist and wheel with pyproject-build
+  when: not legacy_setup
+  block:
+
+  - name: Make sure pyproject-build is available
+    include_role:
+      name: ensure-pyproject-build
+  - name: Build a tarball and wheel
+    command: "{{ ensure_pyproject_build_executable }}"
+    args:
+      chdir: "{{ zuul_work_dir }}"
+    when: build_wheel
+  - name: Just build a tarball
+    command: "{{ ensure_pyproject_build_executable }} --sdist"
+    args:
+      chdir: "{{ zuul_work_dir }}"
+    when: not build_wheel