diff options
Diffstat (limited to 'numpy/__init__.py')
| -rw-r--r-- | numpy/__init__.py | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/numpy/__init__.py b/numpy/__init__.py index ba88c733f..fef8245de 100644 --- a/numpy/__init__.py +++ b/numpy/__init__.py @@ -143,7 +143,9 @@ else: from .core import * from . import compat from . import lib + # FIXME: why have numpy.lib if everything is imported here?? from .lib import * + from . import linalg from . import fft from . import polynomial @@ -166,12 +168,22 @@ else: # now that numpy modules are imported, can initialize limits core.getlimits._register_known_types() + __all__.extend(['bool', 'int', 'float', 'complex', 'object', 'unicode', + 'str']) __all__.extend(['__version__', 'show_config']) __all__.extend(core.__all__) __all__.extend(_mat.__all__) __all__.extend(lib.__all__) __all__.extend(['linalg', 'fft', 'random', 'ctypeslib', 'ma']) + # Remove things that are in the numpy.lib but not in the numpy namespace + # Note that there is a test (numpy/tests/test_public_api.py:test_numpy_namespace) + # that prevents adding more things to the main namespace by accident. + # The list below will grow until the `from .lib import *` fixme above is + # taken care of + __all__.remove('Arrayterator') + del Arrayterator + # Filter out Cython harmless warnings warnings.filterwarnings("ignore", message="numpy.dtype size changed") warnings.filterwarnings("ignore", message="numpy.ufunc size changed") @@ -182,9 +194,34 @@ else: oldnumeric = 'removed' numarray = 'removed' - # We don't actually use this ourselves anymore, but I'm not 100% sure that - # no-one else in the world is using it (though I hope not) - from .testing import Tester + if sys.version_info[:2] >= (3, 7): + # Importing Tester requires importing all of UnitTest which is not a + # cheap import Since it is mainly used in test suits, we lazy import it + # here to save on the order of 10 ms of import time for most users + # + # The previous way Tester was imported also had a side effect of adding + # the full `numpy.testing` namespace + # + # module level getattr is only supported in 3.7 onwards + # https://www.python.org/dev/peps/pep-0562/ + def __getattr__(attr): + if attr == 'testing': + import numpy.testing as testing + return testing + elif attr == 'Tester': + from .testing import Tester + return Tester + else: + raise AttributeError("module {!r} has no attribute " + "{!r}".format(__name__, attr)) + + def __dir__(): + return __all__ + ['Tester', 'testing'] + + else: + # We don't actually use this ourselves anymore, but I'm not 100% sure that + # no-one else in the world is using it (though I hope not) + from .testing import Tester # Pytest testing from numpy._pytesttester import PytestTester |