Trying with USE_SYSTEM_BLOSC2

Author: FrancescAlted

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

generate_version.py

@@ -0,0 +1,14 @@
+# generate_version.py
+
+import tomllib as toml
+
+# Read the pyproject.toml file
+with open("pyproject.toml", "rb") as f:
+    pyproject = toml.load(f)
+
+# Extract the version
+version = pyproject["project"]["version"]
+
+# Write the version to blosc2/_version.py
+with open("src/blosc2/_version.py", "w") as f:
+    f.write(f'__version__ = "{version}"\n')

pyproject.toml

@@ -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"]

recipes/blosc2/meta.yaml

@@ -0,0 +1,75 @@
+{% set name = "blosc2" %}
+{% set version = "3.0.0rc3" %}
+
+package:
+  name: {{ name|lower }}
+  version: {{ version }}
+
+source:
+  # url: https://github.com/Blosc/python-blosc2/archive/refs/tags/v{{ version }}.tar.gz
+  #url: https://github.com/Blosc/python-blosc2/archive/refs/tags/v3.0.0-rc2.tar.gz
+  # sha256: cbf42b475c02145a979e4ac6cbd5ad9df49d23a417b56b6b7bdf5a9d0a4b0716
+  url: /tmp/blosc2-3.0.0rc3.tar.gz
+  sha256: 74c7c81cdbf28702fc751f3b6079b1e3653fec8fd285d54214e962c2113c593c
+  include:
+    - pyproject.toml
+
+build:
+  number: 0
+  script_env:
+    - USE_SYSTEM_BLOSC2=1
+  script:
+    #- {{ PYTHON }} -m pip install --no-deps --ignore-installed .
+    #- -no-deps --no-build-isolation
+    - {{ PYTHON }} -m pip install . -vv
+
+requirements:
+  build:
+    - {{ compiler('c') }}
+    - {{ stdlib('c') }}
+    - python >=3.11
+    - pip
+    - scikit-build-core
+    - cython >=3
+    - numpy >=2.0.0
+    - c-blosc2 >=2.15.2
+    - ninja
+  host:
+    - python >=3.11
+    - pip
+    - scikit-build-core
+    - cython >=3
+    - numpy >=2.0.0
+  run:
+    - python >=3.11
+    - numpy >=1.25.0
+    - ndindex
+    - msgpack-python
+    - numexpr
+    - py-cpuinfo
+    - httpx
+
+test:
+  imports:
+    - blosc2
+  requires:
+    - pip
+    - pytest
+  commands:
+    - pip check
+    - pytest -v --pyargs blosc2
+
+about:
+  home: https://github.com/Blosc/python-blosc2
+  license: BSD-3-Clause
+  license_family: BSD
+  license_file: LICENSE.txt
+  summary: A flexible computational engine for the fast Blosc2 compression library
+  description: |
+    Blosc2 is a high-performance compressor optimized for binary data. It adds a flexible computational engine, making it ideal for scientific computing and other data-intensive applications.
+  doc_url: https://www.blosc.org/python-blosc2
+  dev_url: https://github.com/Blosc/python-blosc2
+
+extra:
+  recipe-maintainers:
+    - FrancescAlted