Looks like conda recipe is working

Author: FrancescAlted

CMakeLists.txt

@@ -9,7 +9,7 @@ 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
+  OUTPUT src/blosc2/version.py
   COMMAND ${Python_EXECUTABLE} generate_version.py
   DEPENDS generate_version.py pyproject.toml
   VERBATIM
@@ -27,11 +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.")

generate_version.py

@@ -10,5 +10,5 @@
 version = pyproject["project"]["version"]
 
 # Write the version to blosc2/_version.py
-with open("src/blosc2/_version.py", "w") as f:
+with open("src/blosc2/version.py", "w") as f:
     f.write(f'__version__ = "{version}"\n')

recipes/blosc2/meta.yaml

@@ -1,16 +1,15 @@
-{% set name = "blosc2" %}
+{% set name = "blosc2" %}  # TODO: should be python-blosc2 or blosc2 as in PyPI?
 {% set version = "3.0.0rc3" %}
 
 package:
   name: {{ name|lower }}
   version: {{ version }}
 
 source:
+  # TODO: make actual tarballs work
   # 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
+  sha256: ac822fd8d60e7356f48c638266b83486e31790fd70e482f814356be33f3fcedb
   include:
     - pyproject.toml
 
@@ -19,8 +18,6 @@ build:
   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:
@@ -40,9 +37,11 @@ requirements:
     - scikit-build-core
     - cython >=3
     - numpy >=2.0.0
+    - c-blosc2 >=2.15.2
   run:
     - python >=3.11
     - numpy >=1.25.0
+    - c-blosc2 >=2.15.2
     - ndindex
     - msgpack-python
     - numexpr
@@ -54,10 +53,13 @@ test:
     - blosc2
   requires:
     - pip
-    - pytest
+    #- pytest
   commands:
     - pip check
-    - pytest -v --pyargs blosc2
+    - python -c "import blosc2; print(blosc2.__version__)"
+    - python -c "import blosc2; blosc2.print_versions()"
+    # The test suite is not being installed
+    #- pytest -v
 
 about:
   home: https://github.com/Blosc/python-blosc2

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"