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-rw-r--r--numpy/__init__.py34
-rw-r--r--numpy/core/arrayprint.py39
-rw-r--r--numpy/core/numeric.py38
-rw-r--r--numpy/core/src/multiarray/alloc.c16
-rw-r--r--numpy/core/tests/test_arrayprint.py5
-rw-r--r--numpy/core/tests/test_numeric.py5
-rw-r--r--numpy/distutils/fcompiler/environment.py12
-rw-r--r--numpy/distutils/tests/test_fcompiler.py34
-rw-r--r--numpy/ma/core.py91
-rw-r--r--numpy/random/bit_generator.pxd6
-rw-r--r--numpy/random/bit_generator.pyx4
-rw-r--r--numpy/random/setup.py4
-rw-r--r--numpy/tests/test_public_api.py23
13 files changed, 90 insertions, 221 deletions
diff --git a/numpy/__init__.py b/numpy/__init__.py
index ba88c733f..ae297597e 100644
--- a/numpy/__init__.py
+++ b/numpy/__init__.py
@@ -166,6 +166,8 @@ 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__)
@@ -182,9 +184,35 @@ 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 %s has no attribute $s".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
diff --git a/numpy/core/arrayprint.py b/numpy/core/arrayprint.py
index 27634c3b5..5761c4875 100644
--- a/numpy/core/arrayprint.py
+++ b/numpy/core/arrayprint.py
@@ -984,20 +984,6 @@ class FloatingFormat(object):
pad_left=self.pad_left,
pad_right=self.pad_right)
-# for back-compatibility, we keep the classes for each float type too
-class FloatFormat(FloatingFormat):
- def __init__(self, *args, **kwargs):
- warnings.warn("FloatFormat has been replaced by FloatingFormat",
- DeprecationWarning, stacklevel=2)
- super(FloatFormat, self).__init__(*args, **kwargs)
-
-
-class LongFloatFormat(FloatingFormat):
- def __init__(self, *args, **kwargs):
- warnings.warn("LongFloatFormat has been replaced by FloatingFormat",
- DeprecationWarning, stacklevel=2)
- super(LongFloatFormat, self).__init__(*args, **kwargs)
-
@set_module('numpy')
def format_float_scientific(x, precision=None, unique=True, trim='k',
@@ -1196,21 +1182,6 @@ class ComplexFloatingFormat(object):
return r + i
-# for back-compatibility, we keep the classes for each complex type too
-class ComplexFormat(ComplexFloatingFormat):
- def __init__(self, *args, **kwargs):
- warnings.warn(
- "ComplexFormat has been replaced by ComplexFloatingFormat",
- DeprecationWarning, stacklevel=2)
- super(ComplexFormat, self).__init__(*args, **kwargs)
-
-class LongComplexFormat(ComplexFloatingFormat):
- def __init__(self, *args, **kwargs):
- warnings.warn(
- "LongComplexFormat has been replaced by ComplexFloatingFormat",
- DeprecationWarning, stacklevel=2)
- super(LongComplexFormat, self).__init__(*args, **kwargs)
-
class _TimelikeFormat(object):
def __init__(self, data):
@@ -1321,16 +1292,6 @@ class StructuredVoidFormat(object):
return "({})".format(", ".join(str_fields))
-# for backwards compatibility
-class StructureFormat(StructuredVoidFormat):
- def __init__(self, *args, **kwargs):
- # NumPy 1.14, 2018-02-14
- warnings.warn(
- "StructureFormat has been replaced by StructuredVoidFormat",
- DeprecationWarning, stacklevel=2)
- super(StructureFormat, self).__init__(*args, **kwargs)
-
-
def _void_scalar_repr(x):
"""
Implements the repr for structured-void scalars. It is called from the
diff --git a/numpy/core/numeric.py b/numpy/core/numeric.py
index ff8c58867..8ada87b9f 100644
--- a/numpy/core/numeric.py
+++ b/numpy/core/numeric.py
@@ -48,14 +48,6 @@ array_function_dispatch = functools.partial(
overrides.array_function_dispatch, module='numpy')
-def loads(*args, **kwargs):
- # NumPy 1.15.0, 2017-12-10
- warnings.warn(
- "np.core.numeric.loads is deprecated, use pickle.loads instead",
- DeprecationWarning, stacklevel=2)
- return pickle.loads(*args, **kwargs)
-
-
__all__ = [
'newaxis', 'ndarray', 'flatiter', 'nditer', 'nested_iters', 'ufunc',
'arange', 'array', 'zeros', 'count_nonzero', 'empty', 'broadcast', 'dtype',
@@ -66,7 +58,7 @@ __all__ = [
'correlate', 'convolve', 'inner', 'dot', 'outer', 'vdot', 'roll',
'rollaxis', 'moveaxis', 'cross', 'tensordot', 'little_endian',
'fromiter', 'array_equal', 'array_equiv', 'indices', 'fromfunction',
- 'isclose', 'load', 'loads', 'isscalar', 'binary_repr', 'base_repr', 'ones',
+ 'isclose', 'isscalar', 'binary_repr', 'base_repr', 'ones',
'identity', 'allclose', 'compare_chararrays', 'putmask',
'flatnonzero', 'Inf', 'inf', 'infty', 'Infinity', 'nan', 'NaN',
'False_', 'True_', 'bitwise_not', 'CLIP', 'RAISE', 'WRAP', 'MAXDIMS',
@@ -1935,6 +1927,10 @@ def binary_repr(num, width=None):
"will raise an error in the future.", DeprecationWarning,
stacklevel=3)
+ # Ensure that num is a Python integer to avoid overflow or unwanted
+ # casts to floating point.
+ num = operator.index(num)
+
if num == 0:
return '0' * (width or 1)
@@ -2024,30 +2020,6 @@ def base_repr(number, base=2, padding=0):
return ''.join(reversed(res or '0'))
-def load(file):
- """
- Wrapper around cPickle.load which accepts either a file-like object or
- a filename.
-
- Note that the NumPy binary format is not based on pickle/cPickle anymore.
- For details on the preferred way of loading and saving files, see `load`
- and `save`.
-
- See Also
- --------
- load, save
-
- """
- # NumPy 1.15.0, 2017-12-10
- warnings.warn(
- "np.core.numeric.load is deprecated, use pickle.load instead",
- DeprecationWarning, stacklevel=2)
- if isinstance(file, type("")):
- with open(file, "rb") as file_pointer:
- return pickle.load(file_pointer)
- return pickle.load(file)
-
-
# These are all essentially abbreviations
# These might wind up in a special abbreviations module
diff --git a/numpy/core/src/multiarray/alloc.c b/numpy/core/src/multiarray/alloc.c
index addc9f006..a7f34cbe5 100644
--- a/numpy/core/src/multiarray/alloc.c
+++ b/numpy/core/src/multiarray/alloc.c
@@ -25,10 +25,14 @@
#include <assert.h>
-#ifdef HAVE_SYS_MMAN_H
+#ifdef NPY_OS_LINUX
#include <sys/mman.h>
-#if defined MADV_HUGEPAGE && defined HAVE_MADVISE
-#define HAVE_MADV_HUGEPAGE
+#ifndef MADV_HUGEPAGE
+/*
+ * Use code 14 (MADV_HUGEPAGE) if it isn't defined. This gives a chance of
+ * enabling huge pages even if built with linux kernel < 2.6.38
+ */
+#define MADV_HUGEPAGE 14
#endif
#endif
@@ -74,11 +78,15 @@ _npy_alloc_cache(npy_uintp nelem, npy_uintp esz, npy_uint msz,
#ifdef _PyPyGC_AddMemoryPressure
_PyPyPyGC_AddMemoryPressure(nelem * esz);
#endif
-#ifdef HAVE_MADV_HUGEPAGE
+#ifdef NPY_OS_LINUX
/* allow kernel allocating huge pages for large arrays */
if (NPY_UNLIKELY(nelem * esz >= ((1u<<22u)))) {
npy_uintp offset = 4096u - (npy_uintp)p % (4096u);
npy_uintp length = nelem * esz - offset;
+ /**
+ * Intentionally not checking for errors that may be returned by
+ * older kernel versions; optimistically tries enabling huge pages.
+ */
madvise((void*)((npy_uintp)p + offset), length, MADV_HUGEPAGE);
}
#endif
diff --git a/numpy/core/tests/test_arrayprint.py b/numpy/core/tests/test_arrayprint.py
index 75a794369..702e68e76 100644
--- a/numpy/core/tests/test_arrayprint.py
+++ b/numpy/core/tests/test_arrayprint.py
@@ -262,11 +262,6 @@ class TestArray2String(object):
assert_(np.array2string(s, formatter={'numpystr':lambda s: s*2}) ==
'[abcabc defdef]')
- # check for backcompat that using FloatFormat works and emits warning
- with assert_warns(DeprecationWarning):
- fmt = np.core.arrayprint.FloatFormat(x, 9, 'maxprec', False)
- assert_equal(np.array2string(x, formatter={'float_kind': fmt}),
- '[0. 1. 2.]')
def test_structure_format(self):
dt = np.dtype([('name', np.str_, 16), ('grades', np.float64, (2,))])
diff --git a/numpy/core/tests/test_numeric.py b/numpy/core/tests/test_numeric.py
index 3e85054b7..c479a0f6d 100644
--- a/numpy/core/tests/test_numeric.py
+++ b/numpy/core/tests/test_numeric.py
@@ -1341,6 +1341,11 @@ class TestBinaryRepr(object):
exp = '1' + (width - 1) * '0'
assert_equal(np.binary_repr(num, width=width), exp)
+ def test_large_neg_int64(self):
+ # See gh-14289.
+ assert_equal(np.binary_repr(np.int64(-2**62), width=64),
+ '11' + '0'*62)
+
class TestBaseRepr(object):
def test_base3(self):
diff --git a/numpy/distutils/fcompiler/environment.py b/numpy/distutils/fcompiler/environment.py
index 73a5e98e1..bb362d483 100644
--- a/numpy/distutils/fcompiler/environment.py
+++ b/numpy/distutils/fcompiler/environment.py
@@ -59,17 +59,13 @@ class EnvironmentConfig(object):
if envvar_contents is not None:
envvar_contents = convert(envvar_contents)
if var and append:
- if os.environ.get('NPY_DISTUTILS_APPEND_FLAGS', '0') == '1':
+ if os.environ.get('NPY_DISTUTILS_APPEND_FLAGS', '1') == '1':
var.extend(envvar_contents)
else:
+ # NPY_DISTUTILS_APPEND_FLAGS was explicitly set to 0
+ # to keep old (overwrite flags rather than append to
+ # them) behavior
var = envvar_contents
- if 'NPY_DISTUTILS_APPEND_FLAGS' not in os.environ.keys():
- msg = "{} is used as is, not appended ".format(envvar) + \
- "to flags already defined " + \
- "by numpy.distutils! Use NPY_DISTUTILS_APPEND_FLAGS=1 " + \
- "to obtain appending behavior instead (this " + \
- "behavior will become default in a future release)."
- warnings.warn(msg, UserWarning, stacklevel=3)
else:
var = envvar_contents
if confvar is not None and self._conf:
diff --git a/numpy/distutils/tests/test_fcompiler.py b/numpy/distutils/tests/test_fcompiler.py
index ba19a97ea..6d245fbd4 100644
--- a/numpy/distutils/tests/test_fcompiler.py
+++ b/numpy/distutils/tests/test_fcompiler.py
@@ -45,37 +45,3 @@ def test_fcompiler_flags(monkeypatch):
else:
assert_(new_flags == prev_flags + [new_flag])
-
-def test_fcompiler_flags_append_warning(monkeypatch):
- # Test to check that the warning for append behavior changing in future
- # is triggered. Need to use a real compiler instance so that we have
- # non-empty flags to start with (otherwise the "if var and append" check
- # will always be false).
- try:
- with suppress_warnings() as sup:
- sup.record()
- fc = numpy.distutils.fcompiler.new_fcompiler(compiler='gnu95')
- fc.customize()
- except numpy.distutils.fcompiler.CompilerNotFound:
- pytest.skip("gfortran not found, so can't execute this test")
-
- # Ensure NPY_DISTUTILS_APPEND_FLAGS not defined
- monkeypatch.delenv('NPY_DISTUTILS_APPEND_FLAGS', raising=False)
-
- for opt, envvar in customizable_flags:
- new_flag = '-dummy-{}-flag'.format(opt)
- with suppress_warnings() as sup:
- sup.record()
- prev_flags = getattr(fc.flag_vars, opt)
-
- monkeypatch.setenv(envvar, new_flag)
- with suppress_warnings() as sup:
- sup.record()
- new_flags = getattr(fc.flag_vars, opt)
- if prev_flags:
- # Check that warning was issued
- assert len(sup.log) == 1
-
- monkeypatch.delenv(envvar)
- assert_(new_flags == [new_flag])
-
diff --git a/numpy/ma/core.py b/numpy/ma/core.py
index 95b799f6d..bb3788c9a 100644
--- a/numpy/ma/core.py
+++ b/numpy/ma/core.py
@@ -59,14 +59,14 @@ __all__ = [
'choose', 'clip', 'common_fill_value', 'compress', 'compressed',
'concatenate', 'conjugate', 'convolve', 'copy', 'correlate', 'cos', 'cosh',
'count', 'cumprod', 'cumsum', 'default_fill_value', 'diag', 'diagonal',
- 'diff', 'divide', 'dump', 'dumps', 'empty', 'empty_like', 'equal', 'exp',
+ 'diff', 'divide', 'empty', 'empty_like', 'equal', 'exp',
'expand_dims', 'fabs', 'filled', 'fix_invalid', 'flatten_mask',
'flatten_structured_array', 'floor', 'floor_divide', 'fmod',
'frombuffer', 'fromflex', 'fromfunction', 'getdata', 'getmask',
'getmaskarray', 'greater', 'greater_equal', 'harden_mask', 'hypot',
'identity', 'ids', 'indices', 'inner', 'innerproduct', 'isMA',
'isMaskedArray', 'is_mask', 'is_masked', 'isarray', 'left_shift',
- 'less', 'less_equal', 'load', 'loads', 'log', 'log10', 'log2',
+ 'less', 'less_equal', 'log', 'log10', 'log2',
'logical_and', 'logical_not', 'logical_or', 'logical_xor', 'make_mask',
'make_mask_descr', 'make_mask_none', 'mask_or', 'masked',
'masked_array', 'masked_equal', 'masked_greater',
@@ -7886,93 +7886,6 @@ def _pickle_warn(method):
stacklevel=3)
-def dump(a, F):
- """
- Pickle a masked array to a file.
-
- This is a wrapper around ``cPickle.dump``.
-
- Parameters
- ----------
- a : MaskedArray
- The array to be pickled.
- F : str or file-like object
- The file to pickle `a` to. If a string, the full path to the file.
-
- """
- _pickle_warn('dump')
- if not hasattr(F, 'readline'):
- with open(F, 'w') as F:
- pickle.dump(a, F)
- else:
- pickle.dump(a, F)
-
-
-def dumps(a):
- """
- Return a string corresponding to the pickling of a masked array.
-
- This is a wrapper around ``cPickle.dumps``.
-
- Parameters
- ----------
- a : MaskedArray
- The array for which the string representation of the pickle is
- returned.
-
- """
- _pickle_warn('dumps')
- return pickle.dumps(a)
-
-
-def load(F):
- """
- Wrapper around ``cPickle.load`` which accepts either a file-like object
- or a filename.
-
- Parameters
- ----------
- F : str or file
- The file or file name to load.
-
- See Also
- --------
- dump : Pickle an array
-
- Notes
- -----
- This is different from `numpy.load`, which does not use cPickle but loads
- the NumPy binary .npy format.
-
- """
- _pickle_warn('load')
- if not hasattr(F, 'readline'):
- with open(F, 'r') as F:
- return pickle.load(F)
- else:
- return pickle.load(F)
-
-
-def loads(strg):
- """
- Load a pickle from the current string.
-
- The result of ``cPickle.loads(strg)`` is returned.
-
- Parameters
- ----------
- strg : str
- The string to load.
-
- See Also
- --------
- dumps : Return a string corresponding to the pickling of a masked array.
-
- """
- _pickle_warn('loads')
- return pickle.loads(strg)
-
-
def fromfile(file, dtype=float, count=-1, sep=''):
raise NotImplementedError(
"fromfile() not yet implemented for a MaskedArray.")
diff --git a/numpy/random/bit_generator.pxd b/numpy/random/bit_generator.pxd
index 79fe69275..984033f17 100644
--- a/numpy/random/bit_generator.pxd
+++ b/numpy/random/bit_generator.pxd
@@ -1,5 +1,5 @@
-from .common cimport bitgen_t
+from .common cimport bitgen_t, uint32_t
cimport numpy as np
cdef class BitGenerator():
@@ -14,9 +14,9 @@ cdef class BitGenerator():
cdef class SeedSequence():
cdef readonly object entropy
cdef readonly tuple spawn_key
- cdef readonly int pool_size
+ cdef readonly uint32_t pool_size
cdef readonly object pool
- cdef readonly int n_children_spawned
+ cdef readonly uint32_t n_children_spawned
cdef mix_entropy(self, np.ndarray[np.npy_uint32, ndim=1] mixer,
np.ndarray[np.npy_uint32, ndim=1] entropy_array)
diff --git a/numpy/random/bit_generator.pyx b/numpy/random/bit_generator.pyx
index 6694e5e4d..eb608af6c 100644
--- a/numpy/random/bit_generator.pyx
+++ b/numpy/random/bit_generator.pyx
@@ -116,7 +116,7 @@ def _coerce_to_uint32_array(x):
Examples
--------
>>> import numpy as np
- >>> from np.random.bit_generator import _coerce_to_uint32_array
+ >>> from numpy.random.bit_generator import _coerce_to_uint32_array
>>> _coerce_to_uint32_array(12345)
array([12345], dtype=uint32)
>>> _coerce_to_uint32_array('12345')
@@ -458,6 +458,8 @@ cdef class SeedSequence():
-------
seqs : list of `SeedSequence` s
"""
+ cdef uint32_t i
+
seqs = []
for i in range(self.n_children_spawned,
self.n_children_spawned + n_children):
diff --git a/numpy/random/setup.py b/numpy/random/setup.py
index a1bf3b83c..a820d326e 100644
--- a/numpy/random/setup.py
+++ b/numpy/random/setup.py
@@ -49,8 +49,8 @@ def configuration(parent_package='', top_path=None):
elif not is_msvc:
# Some bit generators require c99
EXTRA_COMPILE_ARGS += ['-std=c99']
- INTEL_LIKE = any([val in k.lower() for k in platform.uname()
- for val in ('x86', 'i686', 'i386', 'amd64')])
+ INTEL_LIKE = any(arch in platform.machine()
+ for arch in ('x86', 'i686', 'i386', 'amd64'))
if INTEL_LIKE:
# Assumes GCC or GCC-like compiler
EXTRA_COMPILE_ARGS += ['-msse2']
diff --git a/numpy/tests/test_public_api.py b/numpy/tests/test_public_api.py
index 807c98652..df2fc4802 100644
--- a/numpy/tests/test_public_api.py
+++ b/numpy/tests/test_public_api.py
@@ -1,6 +1,7 @@
from __future__ import division, absolute_import, print_function
import sys
+import subprocess
import numpy as np
import pytest
@@ -69,6 +70,28 @@ def test_numpy_namespace():
assert bad_results == whitelist
+@pytest.mark.parametrize('name', ['testing', 'Tester'])
+def test_import_lazy_import(name):
+ """Make sure we can actually the the modules we lazy load.
+
+ While not exported as part of the public API, it was accessible. With the
+ use of __getattr__ and __dir__, this isn't always true It can happen that
+ an infinite recursion may happen.
+
+ This is the only way I found that would force the failure to appear on the
+ badly implemented code.
+
+ We also test for the presence of the lazily imported modules in dir
+
+ """
+ exe = (sys.executable, '-c', "import numpy; numpy." + name)
+ result = subprocess.check_output(exe)
+ assert not result
+
+ # Make sure they are still in the __dir__
+ assert name in dir(np)
+
+
def test_numpy_linalg():
bad_results = check_dir(np.linalg)
assert bad_results == {}