Use ABI-level in-line CFFI mode

.github/workflows/tests.yml

@@ -6,10 +6,12 @@ jobs:
     name: ${{ matrix.os }} - ${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}
     strategy:
-      fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ['3.11']
+        include:
+          - os: ubuntu-latest
+            python-version: '3.7'
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
@@ -37,9 +39,7 @@ jobs:
       - name: Install tests’ requirements
         run: python -m pip install -e .[test]
       - name: Launch tests
-        run: |
-          python cairocffi/ffi_build.py
-          python -m pytest
+        run: python -m pytest
       - name: Check coding style
         run: python -m flake8
       - name: Check imports order

.gitignore

@@ -1,6 +1,5 @@
 __pycache__
 cairocffi/_ffi*.py
-cairocffi/_generated
 *.egg
 *.egg-info
 /build

cairocffi/__init__.py

@@ -13,7 +13,7 @@
 from ctypes.util import find_library
 
 from . import constants
-from ._generated.ffi import ffi
+from .ffi import ffi
 
 VERSION = __version__ = '1.5.1'
 # supported version of cairo, used to be pycairo version too:

cairocffi/ffi_build.py → cairocffi/ffi.py

@@ -1,6 +1,6 @@
 """
-    cairocffi.ffi_build
-    ~~~~~~~~~~~~~~~~~~~
+    cairocffi.ffi
+    ~~~~~~~~~~~~~
 
     Build the cffi bindings
 
@@ -21,18 +21,13 @@
 constants = module_from_spec(constants_spec)
 constants_spec.loader.exec_module(constants)
 
-# Create an empty _generated folder if needed
-generated = Path(__file__).parent / '_generated'
-generated.mkdir(exist_ok=True)
-
 # Primary cffi definitions
 ffi = FFI()
-ffi.set_source('cairocffi._generated.ffi', None)
 ffi.cdef(constants._CAIRO_HEADERS)
 
 # include xcffib cffi definitions for cairo xcb support
 try:
-    from xcffib.ffi_build import ffi as xcb_ffi
+    from xcffib.ffi import ffi as xcb_ffi
 except ImportError:
     pass
 else:
@@ -41,7 +36,6 @@
 
 # gdk pixbuf cffi definitions
 ffi_pixbuf = FFI()
-ffi_pixbuf.set_source('cairocffi._generated.ffi_pixbuf', None)
 ffi_pixbuf.include(ffi)
 ffi_pixbuf.cdef('''
     typedef unsigned long   gsize;
@@ -102,17 +96,3 @@
     void              g_error_free                   (GError *error);
     void              g_type_init                    (void);
 ''')
-
-
-def compile():
-    ffi.compile()
-    ffi_path = generated / 'ffi.py'
-    ffi_path.write_text('# flake8: noqa\n' + ffi_path.read_text())
-    ffi_pixbuf.compile()
-    ffi_pixbuf_path = generated / 'ffi_pixbuf.py'
-    ffi_pixbuf_path.write_text(
-        '# flake8: noqa\n' + ffi_pixbuf_path.read_text())
-
-
-if __name__ == '__main__':
-    compile()

cairocffi/pixbuf.py

@@ -15,7 +15,7 @@
 from io import BytesIO
 
 from . import Context, ImageSurface, constants, dlopen
-from ._generated.ffi_pixbuf import ffi
+from .ffi import ffi_pixbuf as ffi
 
 __all__ = ['decode_to_image_surface']
 

pyproject.toml

@@ -1,56 +1,62 @@
 [build-system]
-requires = ["setuptools >= 61.0.0", "cffi >= 1.1.0"]
-build-backend = "build"
-backend-path = ["utils"]
+requires = ['flit_core >=3.2,<4']
+build-backend = 'flit_core.buildapi'
 
 [project]
-name = "cairocffi"
-description = "cffi-based cairo bindings for Python"
-readme = {file = "README.rst", content-type = "text/x-rst"}
-requires-python = ">=3.7"
-license = {file = "LICENSE"}
-keywords = ["cairo", "cffi", "binding"]
-authors = [
-    {name = "Simon Sapin", email = "contact@courtbouillon.org"}
+name = 'cairocffi'
+description = 'cffi-based cairo bindings for Python'
+keywords = ['cairo', 'cffi', 'binding']
+authors = [{name = 'Simon Sapin', email = 'contact@courtbouillon.org'}]
+maintainers = [{name = 'CourtBouillon', email = 'contact@courtbouillon.org'}]
+requires-python = '>=3.7'
+readme = {file = 'README.rst', content-type = 'text/x-rst'}
+license = {file = 'LICENSE'}
+dependencies = [
+    'cffi >= 1.1.0',
 ]
 classifiers = [
-    "Development Status :: 5 - Production/Stable",
-    "Intended Audience :: Developers",
-    "License :: OSI Approved :: BSD License",
-    "Operating System :: POSIX :: Linux",
-    "Operating System :: MacOS :: MacOS X",
-    "Operating System :: Microsoft :: Windows",
-    "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
-    "Programming Language :: Python :: 3.10",
-    "Programming Language :: Python :: 3.11",
-    "Topic :: Multimedia :: Graphics"
-]
-dependencies = [
-    "cffi >= 1.1.0"
+    'Development Status :: 5 - Production/Stable',
+    'Intended Audience :: Developers',
+    'License :: OSI Approved :: BSD License',
+    'Operating System :: POSIX :: Linux',
+    'Operating System :: MacOS :: MacOS X',
+    'Operating System :: Microsoft :: Windows',
+    'Programming Language :: Python :: 3 :: Only',
+    'Programming Language :: Python :: 3.7',
+    'Programming Language :: Python :: 3.8',
+    'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
+    'Topic :: Multimedia :: Graphics',
 ]
-dynamic = ["version"]
+dynamic = ['version']
 
 [tool.setuptools.dynamic]
-version = {attr = "cairocffi.VERSION"}
+version = {attr = 'cairocffi.VERSION'}
 
 [project.urls]
-Documentation = "https://cairocffi.readthedocs.io/"
-Code = "https://github.com/Kozea/cairocffi/"
-Issues = "https://github.com/Kozea/cairocffi/issues"
-Donation = "https://opencollective.com/courtbouillon"
+Documentation = 'https://cairocffi.readthedocs.io/'
+Code = 'https://github.com/Kozea/cairocffi/'
+Issues = 'https://github.com/Kozea/cairocffi/issues'
+Changelog = 'https://cairocffi.readthedocs.io/en/stable/changelog.html'
+Donation = 'https://opencollective.com/courtbouillon'
 
 [project.optional-dependencies]
-doc = ["sphinx", "sphinx_rtd_theme"]
-test = ["pytest", "flake8", "isort", "numpy", "pikepdf"]
-xcb = ["xcffib >= 0.3.2"]
+doc = ['sphinx', 'sphinx_rtd_theme']
+test = ['pytest', 'flake8', 'isort', 'numpy', 'pikepdf']
+xcb = ['xcffib >= 1.4.0']
+
+[tool.flit.sdist]
+exclude = ['.*']
+
+[tool.coverage.run]
+branch = true
+include = ['cairocffi/*']
 
-[tool.pytest.ini_options]
-addopts = "--pyargs cairocffi"
-norecursedirs = "build dist .cache .eggs .git"
+[tool.coverage.report]
+exclude_lines = ['pragma: no cover', 'def __repr__', 'raise NotImplementedError']
+omit = ['.*']
 
 [tool.isort]
-default_section = "FIRSTPARTY"
+default_section = 'FIRSTPARTY'
 multi_line_output = 4