Initial changes for getting tests passing

Author: joshmoore

numcodecs/__init__.py

@@ -40,6 +40,7 @@
     pass
 
 try:
+    import blosc as _blosc
     from numcodecs import blosc
     from numcodecs.blosc import Blosc
     register_codec(Blosc)
@@ -48,9 +49,9 @@
         ncores = multiprocessing.cpu_count()
     except OSError:  # pragma: no cover
         ncores = 1
-    blosc.init()
-    blosc.set_nthreads(min(8, ncores))
-    atexit.register(blosc.destroy)
+    # blosc.init()
+    _blosc.set_nthreads(min(8, ncores))
+    atexit.register(_blosc.destroy)
 except ImportError:  # pragma: no cover
     pass
 

tox.ini

@@ -14,8 +14,7 @@ setenv =
     py36,py37,py38,py39: PY_MAJOR_VERSION = py3
 commands =
     pip install --only-binary blosc blosc
-    python setup.py build_ext --inplace
-    py36,py37,py38: pytest -v --cov=numcodecs numcodecs
+    py36,py37,py38: pytest {posargs:-v} --cov=numcodecs numcodecs
     py39: pytest -v --cov=numcodecs --doctest-modules --doctest-glob=*.pyx numcodecs
     coverage report -m
     py39: flake8 numcodecs