Make CI work with numpy v1.24 (#100)

* Fix pytests warnings

* Fix compatibility with numpy v1.24

* Fix tox syntax

* Update tox configurarion

* Improve xfail manageement for np 1.24

* Do not use the deprecated distutils package

* Dtop the obsolete indexserver in tox.ini

* Re-enable te "-W" flag for sphinx_build

* Simplify the version checking for matplotlib

* Update "reason" string for xfail tests

* Update docstring of the xfail method of the test generator

* Cleanup

README.rst

@@ -80,7 +80,7 @@ as `numpy.dtype` corresponding to structures used by ERFA_.  Examples::
          ([ 0.11260694, -0.38275202, -0.21613731], [0.02160375, 0.00826891, 0.00217806]),
          ([ 0.13401992, -0.37387798, -0.21361622], [0.0212094 , 0.00947838, 0.00286503]),
          ([ 0.15500031, -0.36379788, -0.21040601], [0.02073822, 0.01068061, 0.0035561 ])],
-        dtype={'names':['p','v'], 'formats':[('<f8', (3,)),('<f8', (3,))], 'offsets':[0,24], 'itemsize':48, 'aligned':True})
+        dtype={'names': ['p', 'v'], 'formats': [('<f8', (3,)), ('<f8', (3,))], 'offsets': [0, 24], 'itemsize': 48, 'aligned': True})
   >>> erfa.dt_pv
   dtype([('p', '<f8', (3,)), ('v', '<f8', (3,))], align=True)
   >>> erfa.dt_eraLDBODY

erfa/tests/helper.py

@@ -6,7 +6,6 @@
 import sys
 import types
 import warnings
-from distutils.version import LooseVersion
 
 
 _deprecations_as_exceptions = False
@@ -80,7 +79,7 @@ def treat_deprecations_as_exceptions():
     except ImportError:
         pass
     else:
-        if LooseVersion(matplotlib.__version__) < '3':
+        if matplotlib.__version__[0] < '3':
             warnings.filterwarnings('ignore', category=DeprecationWarning,
                                     module='numpy.lib.type_check')
 

erfa/tests/test_erfa.py

@@ -364,7 +364,7 @@ def test_float32_input():
 
 
 class TestAstromNotInplace:
-    def setup(self):
+    def setup_method(self):
         self.mjd_array = np.array(
             [58827.15925499, 58827.15925499, 58827.15925499,
              58827.15925499, 58827.15925499])
@@ -420,12 +420,12 @@ def test_leap_seconds_expires(self):
 
 class TestLeapSeconds:
     """Test basic methods to control the ERFA leap-second table."""
-    def setup(self):
+    def setup_method(self):
         self.erfa_ls = erfa.leap_seconds.get()
         self.expires = erfa.leap_seconds.expires
         self._expires = erfa.leap_seconds._expires
 
-    def teardown(self):
+    def teardown_method(self):
         erfa.leap_seconds.set(self.erfa_ls)
         erfa.leap_seconds._expires = self._expires
 

erfa_generator.py

@@ -597,17 +597,17 @@ def from_function(cls, func, t_erfa_c):
                    nout=len(func.args_by_inout('out')))
 
     def xfail(self):
-        """Whether the python test produced for this function will fail.
+        """Whether the python test produced for this function will fail when the xfail condition is verified.
 
         Right now this will be true for functions without inputs such
-        as eraIr.
+        as eraIr with numpy < 1.24.
         """
         if self.nin + self.ninout == 0:
             if self.name == 'zpv':
                 # Works on newer numpy
                 return "np.__version__ < '1.21', reason='needs numpy >= 1.21'"
             else:
-                return "reason='do not yet support no-input ufuncs'"
+                return "np.__version__ < '1.24', reason='numpy < 1.24 do not support no-input ufuncs'"
         else:
             return None
 

tox.ini

@@ -8,13 +8,14 @@ requires =
     setuptools >= 30.3.0
     pip >= 19.3.1
 isolated_build = true
-indexserver =
-    NIGHTLY = https://pypi.anaconda.org/scipy-wheels-nightly/simple
 
 [testenv]
 
 # Pass through the following environemnt variables which may be needed for the CI
-passenv = HOME WINDIR LC_ALL LC_CTYPE CC CI TRAVIS
+passenv = HOME,WINDIR,LC_ALL,LC_CTYPE,CC,CI,TRAVIS
+
+setenv =
+    devdeps: PIP_EXTRA_INDEX_URL = https://pypi.anaconda.org/scipy-wheels-nightly/simple
 
 # Run the tests in a temporary directory to make sure that we don't import
 # pyerfa from the source tree
@@ -35,8 +36,8 @@ description =
 
 # The following provides some specific pinnings for key packages
 deps =
-    oldestdeps: numpy==1.17.*
-    devdeps: :NIGHTLY:numpy
+    oldestdeps: numpy==1.20.*
+    devdeps: numpy>=0.0.dev0
 
 # The following indicates which extras_require from setup.cfg will be installed
 extras =