Merge pull request #345 from Blosc/conda-recipe

Config for allowing a conda build

Author: FrancescAlted

.github/workflows/cibuildwheels.yml

@@ -43,10 +43,6 @@ jobs:
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4
-        with:
-          # Fetch all history for all branches and tags
-          # (important for guessing the correct version with setuptools_scm)
-          fetch-depth: 0
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -91,10 +87,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-        with:
-          # Fetch all history for all branches and tags
-          # (important for guessing the correct version with setuptools_scm)
-          fetch-depth: 0
 
       - uses: actions/setup-python@v5
         name: Setup Python ${{ matrix.python-version }}

CMakeLists.txt

@@ -7,6 +7,14 @@ project(python-blosc2)
 # IMO, this would need to be solved in Fedora, so we can just use the following line:
 find_package(Python COMPONENTS Interpreter NumPy Development.Module REQUIRED)
 
+# Add custom command to generate the version file
+add_custom_command(
+  OUTPUT src/blosc2/version.py
+  COMMAND ${Python_EXECUTABLE} generate_version.py
+  DEPENDS generate_version.py pyproject.toml
+  VERBATIM
+)
+
 # Compile the Cython extension manually...
 add_custom_command(
   OUTPUT blosc2_ext.c
@@ -19,11 +27,15 @@ Python_add_library(blosc2_ext MODULE blosc2_ext.c WITH_SOABI)
 # We need to link against NumPy
 target_link_libraries(blosc2_ext PRIVATE Python::NumPy)
 
+if(DEFINED ENV{USE_SYSTEM_BLOSC2})
+    set(USE_SYSTEM_BLOSC2 ON)
+endif()
+
 if(USE_SYSTEM_BLOSC2)
     set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
     find_package(PkgConfig REQUIRED)
     pkg_check_modules(Blosc2 REQUIRED IMPORTED_TARGET blosc2)
-    target_link_libraries(blosc2_ext PkgConfig::Blosc2)
+    target_link_libraries(blosc2_ext PRIVATE PkgConfig::Blosc2)
 else()
     set(STATIC_LIB ON CACHE BOOL "Build a static version of the blosc library.")
     set(SHARED_LIB ON CACHE BOOL "Build a shared library version of the blosc library.")

RELEASING.rst

@@ -4,9 +4,7 @@ python-blosc2 release procedure
 Preliminaries
 -------------
 
-* Do not worry about the version number.  setuptools_scm in scikit-build-core has machinery
-  to figure it out based on git tags:
-  https://scikit-build-core.readthedocs.io/en/latest/configuration.html#dynamic-metadata
+* Set the version number in ``pyproject.toml`` to the new version number (e.g. ``X.Y.Z``).
 
 * Make sure that the c-blosc2 repository is updated to the latest version (or a specific
   version that will be documented in the ``RELEASE_NOTES.md``). In ``CMakeLists.txt`` edit::
@@ -111,6 +109,9 @@ Post-release actions
 
     XXX version-specific blurb XXX
 
+* Update the version number in ``pyproject.toml`` to the next version number
+  (e.g. ``X.Y.(Z+1).dev``).
+
 * Commit your changes with::
 
     git commit -a -m "Post X.Y.Z release actions done"

generate_version.py

@@ -0,0 +1,9 @@
+import tomllib as toml
+
+with open("pyproject.toml", "rb") as f:
+    pyproject = toml.load(f)
+
+version = pyproject["project"]["version"]
+
+with open("src/blosc2/version.py", "w") as f:
+    f.write(f'__version__ = "{version}"\n')

pyproject.toml

@@ -8,7 +8,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "blosc2"
-description = "A flexible computational engine for the fast Blosc2 compression library"
+description = "A high-performance compressed ndarray library with a flexible computational engine"
 readme = {file = "README.rst", content-type = "text/x-rst"}
 authors = [{name = "Blosc Development Team", email = "[email protected]"}]
 maintainers = [{ name = "Blosc Development Team", email = "[email protected]"}]
@@ -38,7 +38,7 @@ dependencies = [
     "py-cpuinfo",
     "httpx",
 ]
-dynamic = ["version"]
+version = "3.0.0rc3"
 
 
 [project.optional-dependencies]
@@ -86,13 +86,6 @@ test-command = "pytest {project}/tests"
 manylinux-x86_64-image = "manylinux2014"
 manylinux-aarch64-image = "manylinux2014"
 
-[tool.scikit-build]
-metadata.version.provider = "scikit_build_core.metadata.setuptools_scm"
-sdist.include = ["src/blosc2/_version.py"]
-
-[tool.setuptools_scm]
-write_to = "src/blosc2/_version.py"
-
 [tool.ruff]
 line-length = 109
 extend-exclude = ["bench"]

src/blosc2/__init__.py

@@ -12,7 +12,7 @@
 
 from enum import Enum
 
-from ._version import __version__
+from .version import __version__
 
 __version__ = __version__
 """

src/blosc2/version.py

@@ -0,0 +1 @@
+__version__ = "3.0.0rc3"