Make numpy dependency optional

.github/workflows/ci.yml

@@ -89,6 +89,21 @@ jobs:
                 curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
                 . ./build-and-test-py-project.sh
 
+    pytest_nonumpy:
+        name: Pytest without Numpy
+        runs-on: ubuntu-latest
+        steps:
+        -   uses: actions/checkout@v2
+        -
+            uses: actions/setup-python@v1
+            with:
+                python-version: '3.x'
+        -   name: "Main Script"
+            run: |
+                NO_DOCTESTS=1
+                curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
+                . ./build-and-test-py-project.sh
+
     #examples:
     #    name: Examples Py3
     #    runs-on: ubuntu-latest

.gitlab-ci.yml

@@ -18,6 +18,19 @@ Pytest:
     reports:
       junit: test/pytest.xml
 
+Pytest without Numpy:
+  script: |
+    NO_DOCTESTS=1
+    curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
+    . ./build-and-test-py-project.sh
+  tags:
+  - python3
+  except:
+  - tags
+  artifacts:
+    reports:
+      junit: test/pytest.xml
+
 # Examples:
 #   script: |
 #     EXTRA_INSTALL="numpy pymbolic"

setup.py

@@ -38,13 +38,16 @@ setup(name="pytools",
 
       install_requires=[
           "platformdirs>=2.2.0",
-          "numpy>=1.6.0",
           "dataclasses>=0.7;python_version<='3.6'",
           "typing_extensions>=4.0; python_version<'3.11'",
           ],
 
       package_data={"pytools": ["py.typed"]},
 
+    extras_require={
+        "numpy":  ["numpy>=1.6.0"],
+        },
+
       author="Andreas Kloeckner",
       url="http://pypi.python.org/pypi/pytools",
       author_email="inform@tiker.net",

test/test_pytools.py

@@ -273,7 +273,7 @@ def test_find_module_git_revision():
 
 def test_reshaped_view():
     import pytools
-    import numpy as np
+    np = pytest.importorskip("numpy")
 
     a = np.zeros((10, 2))
     b = a.T
@@ -319,6 +319,8 @@ def test_table():
 
 
 def test_eoc():
+    np = pytest.importorskip("numpy")
+
     from pytools.convergence import EOCRecorder
     eoc = EOCRecorder()
 
@@ -397,6 +399,8 @@ class FakeArray:
 
 
 def test_make_obj_array_iteration():
+    pytest.importorskip("numpy")
+
     from pytools.obj_array import make_obj_array
     make_obj_array([FakeArray()])
 
@@ -624,7 +628,7 @@ def test_sphere_sampling(sampling, visualize=False):
     else:
         raise ValueError(f"unknown sampling method: '{sampling}'")
 
-    import numpy as np
+    np = pytest.importorskip("numpy")
     points = sampling_func(npoints)
     assert np.all(np.linalg.norm(points, axis=0) < radius + 1.0e-15)