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speech2derive.old/lib/python3.8/site-packages/numpy/testing/_private/nosetester.py

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"""
Nose test running.
This module implements ``test()`` and ``bench()`` functions for NumPy modules.
"""
from __future__ import division, absolute_import, print_function
import os
import sys
import warnings
from numpy.compat import basestring
import numpy as np
from .utils import import_nose, suppress_warnings
__all__ = ['get_package_name', 'run_module_suite', 'NoseTester',
'_numpy_tester', 'get_package_name', 'import_nose',
'suppress_warnings']
def get_package_name(filepath):
"""
Given a path where a package is installed, determine its name.
Parameters
----------
filepath : str
Path to a file. If the determination fails, "numpy" is returned.
Examples
--------
>>> np.testing.nosetester.get_package_name('nonsense')
'numpy'
"""
fullpath = filepath[:]
pkg_name = []
while 'site-packages' in filepath or 'dist-packages' in filepath:
filepath, p2 = os.path.split(filepath)
if p2 in ('site-packages', 'dist-packages'):
break
pkg_name.append(p2)
# if package name determination failed, just default to numpy/scipy
if not pkg_name:
if 'scipy' in fullpath:
return 'scipy'
else:
return 'numpy'
# otherwise, reverse to get correct order and return
pkg_name.reverse()
# don't include the outer egg directory
if pkg_name[0].endswith('.egg'):
pkg_name.pop(0)
return '.'.join(pkg_name)
def run_module_suite(file_to_run=None, argv=None):
"""
Run a test module.
Equivalent to calling ``$ nosetests <argv> <file_to_run>`` from
the command line
Parameters
----------
file_to_run : str, optional
Path to test module, or None.
By default, run the module from which this function is called.
argv : list of strings
Arguments to be passed to the nose test runner. ``argv[0]`` is
ignored. All command line arguments accepted by ``nosetests``
will work. If it is the default value None, sys.argv is used.
.. versionadded:: 1.9.0
Examples
--------
Adding the following::
if __name__ == "__main__" :
run_module_suite(argv=sys.argv)
at the end of a test module will run the tests when that module is
called in the python interpreter.
Alternatively, calling::
>>> run_module_suite(file_to_run="numpy/tests/test_matlib.py") # doctest: +SKIP
from an interpreter will run all the test routine in 'test_matlib.py'.
"""
if file_to_run is None:
f = sys._getframe(1)
file_to_run = f.f_locals.get('__file__', None)
if file_to_run is None:
raise AssertionError
if argv is None:
argv = sys.argv + [file_to_run]
else:
argv = argv + [file_to_run]
nose = import_nose()
from .noseclasses import KnownFailurePlugin
nose.run(argv=argv, addplugins=[KnownFailurePlugin()])
class NoseTester(object):
"""
Nose test runner.
This class is made available as numpy.testing.Tester, and a test function
is typically added to a package's __init__.py like so::
from numpy.testing import Tester
test = Tester().test
Calling this test function finds and runs all tests associated with the
package and all its sub-packages.
Attributes
----------
package_path : str
Full path to the package to test.
package_name : str
Name of the package to test.
Parameters
----------
package : module, str or None, optional
The package to test. If a string, this should be the full path to
the package. If None (default), `package` is set to the module from
which `NoseTester` is initialized.
raise_warnings : None, str or sequence of warnings, optional
This specifies which warnings to configure as 'raise' instead
of being shown once during the test execution. Valid strings are:
- "develop" : equals ``(Warning,)``
- "release" : equals ``()``, don't raise on any warnings.
Default is "release".
depth : int, optional
If `package` is None, then this can be used to initialize from the
module of the caller of (the caller of (...)) the code that
initializes `NoseTester`. Default of 0 means the module of the
immediate caller; higher values are useful for utility routines that
want to initialize `NoseTester` objects on behalf of other code.
"""
def __init__(self, package=None, raise_warnings="release", depth=0,
check_fpu_mode=False):
# Back-compat: 'None' used to mean either "release" or "develop"
# depending on whether this was a release or develop version of
# numpy. Those semantics were fine for testing numpy, but not so
# helpful for downstream projects like scipy that use
# numpy.testing. (They want to set this based on whether *they* are a
# release or develop version, not whether numpy is.) So we continue to
# accept 'None' for back-compat, but it's now just an alias for the
# default "release".
if raise_warnings is None:
raise_warnings = "release"
package_name = None
if package is None:
f = sys._getframe(1 + depth)
package_path = f.f_locals.get('__file__', None)
if package_path is None:
raise AssertionError
package_path = os.path.dirname(package_path)
package_name = f.f_locals.get('__name__', None)
elif isinstance(package, type(os)):
package_path = os.path.dirname(package.__file__)
package_name = getattr(package, '__name__', None)
else:
package_path = str(package)
self.package_path = package_path
# Find the package name under test; this name is used to limit coverage
# reporting (if enabled).
if package_name is None:
package_name = get_package_name(package_path)
self.package_name = package_name
# Set to "release" in constructor in maintenance branches.
self.raise_warnings = raise_warnings
# Whether to check for FPU mode changes
self.check_fpu_mode = check_fpu_mode
def _test_argv(self, label, verbose, extra_argv):
''' Generate argv for nosetest command
Parameters
----------
label : {'fast', 'full', '', attribute identifier}, optional
see ``test`` docstring
verbose : int, optional
Verbosity value for test outputs, in the range 1-10. Default is 1.
extra_argv : list, optional
List with any extra arguments to pass to nosetests.
Returns
-------
argv : list
command line arguments that will be passed to nose
'''
argv = [__file__, self.package_path, '-s']
if label and label != 'full':
if not isinstance(label, basestring):
raise TypeError('Selection label should be a string')
if label == 'fast':
label = 'not slow'
argv += ['-A', label]
argv += ['--verbosity', str(verbose)]
# When installing with setuptools, and also in some other cases, the
# test_*.py files end up marked +x executable. Nose, by default, does
# not run files marked with +x as they might be scripts. However, in
# our case nose only looks for test_*.py files under the package
# directory, which should be safe.
argv += ['--exe']
if extra_argv:
argv += extra_argv
return argv
def _show_system_info(self):
nose = import_nose()
import numpy
print("NumPy version %s" % numpy.__version__)
relaxed_strides = numpy.ones((10, 1), order="C").flags.f_contiguous
print("NumPy relaxed strides checking option:", relaxed_strides)
npdir = os.path.dirname(numpy.__file__)
print("NumPy is installed in %s" % npdir)
if 'scipy' in self.package_name:
import scipy
print("SciPy version %s" % scipy.__version__)
spdir = os.path.dirname(scipy.__file__)
print("SciPy is installed in %s" % spdir)
pyversion = sys.version.replace('\n', '')
print("Python version %s" % pyversion)
print("nose version %d.%d.%d" % nose.__versioninfo__)
def _get_custom_doctester(self):
""" Return instantiated plugin for doctests
Allows subclassing of this class to override doctester
A return value of None means use the nose builtin doctest plugin
"""
from .noseclasses import NumpyDoctest
return NumpyDoctest()
def prepare_test_args(self, label='fast', verbose=1, extra_argv=None,
doctests=False, coverage=False, timer=False):
"""
Run tests for module using nose.
This method does the heavy lifting for the `test` method. It takes all
the same arguments, for details see `test`.
See Also
--------
test
"""
# fail with nice error message if nose is not present
import_nose()
# compile argv
argv = self._test_argv(label, verbose, extra_argv)
# our way of doing coverage
if coverage:
argv += ['--cover-package=%s' % self.package_name, '--with-coverage',
'--cover-tests', '--cover-erase']
if timer:
if timer is True:
argv += ['--with-timer']
elif isinstance(timer, int):
argv += ['--with-timer', '--timer-top-n', str(timer)]
# construct list of plugins
import nose.plugins.builtin
from nose.plugins import EntryPointPluginManager
from .noseclasses import (KnownFailurePlugin, Unplugger,
FPUModeCheckPlugin)
plugins = [KnownFailurePlugin()]
plugins += [p() for p in nose.plugins.builtin.plugins]
if self.check_fpu_mode:
plugins += [FPUModeCheckPlugin()]
argv += ["--with-fpumodecheckplugin"]
try:
# External plugins (like nose-timer)
entrypoint_manager = EntryPointPluginManager()
entrypoint_manager.loadPlugins()
plugins += [p for p in entrypoint_manager.plugins]
except ImportError:
# Relies on pkg_resources, not a hard dependency
pass
# add doctesting if required
doctest_argv = '--with-doctest' in argv
if doctests == False and doctest_argv:
doctests = True
plug = self._get_custom_doctester()
if plug is None:
# use standard doctesting
if doctests and not doctest_argv:
argv += ['--with-doctest']
else: # custom doctesting
if doctest_argv: # in fact the unplugger would take care of this
argv.remove('--with-doctest')
plugins += [Unplugger('doctest'), plug]
if doctests:
argv += ['--with-' + plug.name]
return argv, plugins
def test(self, label='fast', verbose=1, extra_argv=None,
doctests=False, coverage=False, raise_warnings=None,
timer=False):
"""
Run tests for module using nose.
Parameters
----------
label : {'fast', 'full', '', attribute identifier}, optional
Identifies the tests to run. This can be a string to pass to
the nosetests executable with the '-A' option, or one of several
special values. Special values are:
* 'fast' - the default - which corresponds to the ``nosetests -A``
option of 'not slow'.
* 'full' - fast (as above) and slow tests as in the
'no -A' option to nosetests - this is the same as ''.
* None or '' - run all tests.
* attribute_identifier - string passed directly to nosetests as '-A'.
verbose : int, optional
Verbosity value for test outputs, in the range 1-10. Default is 1.
extra_argv : list, optional
List with any extra arguments to pass to nosetests.
doctests : bool, optional
If True, run doctests in module. Default is False.
coverage : bool, optional
If True, report coverage of NumPy code. Default is False.
(This requires the
`coverage module <https://nedbatchelder.com/code/modules/coveragehtml>`_).
raise_warnings : None, str or sequence of warnings, optional
This specifies which warnings to configure as 'raise' instead
of being shown once during the test execution. Valid strings are:
* "develop" : equals ``(Warning,)``
* "release" : equals ``()``, do not raise on any warnings.
timer : bool or int, optional
Timing of individual tests with ``nose-timer`` (which needs to be
installed). If True, time tests and report on all of them.
If an integer (say ``N``), report timing results for ``N`` slowest
tests.
Returns
-------
result : object
Returns the result of running the tests as a
``nose.result.TextTestResult`` object.
Notes
-----
Each NumPy module exposes `test` in its namespace to run all tests for it.
For example, to run all tests for numpy.lib:
>>> np.lib.test() #doctest: +SKIP
Examples
--------
>>> result = np.lib.test() #doctest: +SKIP
Running unit tests for numpy.lib
...
Ran 976 tests in 3.933s
OK
>>> result.errors #doctest: +SKIP
[]
>>> result.knownfail #doctest: +SKIP
[]
"""
# cap verbosity at 3 because nose becomes *very* verbose beyond that
verbose = min(verbose, 3)
from . import utils
utils.verbose = verbose
argv, plugins = self.prepare_test_args(
label, verbose, extra_argv, doctests, coverage, timer)
if doctests:
print("Running unit tests and doctests for %s" % self.package_name)
else:
print("Running unit tests for %s" % self.package_name)
self._show_system_info()
# reset doctest state on every run
import doctest
doctest.master = None
if raise_warnings is None:
raise_warnings = self.raise_warnings
_warn_opts = dict(develop=(Warning,),
release=())
if isinstance(raise_warnings, basestring):
raise_warnings = _warn_opts[raise_warnings]
with suppress_warnings("location") as sup:
# Reset the warning filters to the default state,
# so that running the tests is more repeatable.
warnings.resetwarnings()
# Set all warnings to 'warn', this is because the default 'once'
# has the bad property of possibly shadowing later warnings.
warnings.filterwarnings('always')
# Force the requested warnings to raise
for warningtype in raise_warnings:
warnings.filterwarnings('error', category=warningtype)
# Filter out annoying import messages.
sup.filter(message='Not importing directory')
sup.filter(message="numpy.dtype size changed")
sup.filter(message="numpy.ufunc size changed")
sup.filter(category=np.ModuleDeprecationWarning)
# Filter out boolean '-' deprecation messages. This allows
# older versions of scipy to test without a flood of messages.
sup.filter(message=".*boolean negative.*")
sup.filter(message=".*boolean subtract.*")
# Filter out distutils cpu warnings (could be localized to
# distutils tests). ASV has problems with top level import,
# so fetch module for suppression here.
with warnings.catch_warnings():
warnings.simplefilter("always")
from ...distutils import cpuinfo
sup.filter(category=UserWarning, module=cpuinfo)
# See #7949: Filter out deprecation warnings due to the -3 flag to
# python 2
if sys.version_info.major == 2 and sys.py3kwarning:
# This is very specific, so using the fragile module filter
# is fine
import threading
sup.filter(DeprecationWarning,
r"sys\.exc_clear\(\) not supported in 3\.x",
module=threading)
sup.filter(DeprecationWarning, message=r"in 3\.x, __setslice__")
sup.filter(DeprecationWarning, message=r"in 3\.x, __getslice__")
sup.filter(DeprecationWarning, message=r"buffer\(\) not supported in 3\.x")
sup.filter(DeprecationWarning, message=r"CObject type is not supported in 3\.x")
sup.filter(DeprecationWarning, message=r"comparing unequal types not supported in 3\.x")
# Filter out some deprecation warnings inside nose 1.3.7 when run
# on python 3.5b2. See
# https://github.com/nose-devs/nose/issues/929
# Note: it is hard to filter based on module for sup (lineno could
# be implemented).
warnings.filterwarnings("ignore", message=".*getargspec.*",
category=DeprecationWarning,
module=r"nose\.")
from .noseclasses import NumpyTestProgram
t = NumpyTestProgram(argv=argv, exit=False, plugins=plugins)
return t.result
def bench(self, label='fast', verbose=1, extra_argv=None):
"""
Run benchmarks for module using nose.
Parameters
----------
label : {'fast', 'full', '', attribute identifier}, optional
Identifies the benchmarks to run. This can be a string to pass to
the nosetests executable with the '-A' option, or one of several
special values. Special values are:
* 'fast' - the default - which corresponds to the ``nosetests -A``
option of 'not slow'.
* 'full' - fast (as above) and slow benchmarks as in the
'no -A' option to nosetests - this is the same as ''.
* None or '' - run all tests.
* attribute_identifier - string passed directly to nosetests as '-A'.
verbose : int, optional
Verbosity value for benchmark outputs, in the range 1-10. Default is 1.
extra_argv : list, optional
List with any extra arguments to pass to nosetests.
Returns
-------
success : bool
Returns True if running the benchmarks works, False if an error
occurred.
Notes
-----
Benchmarks are like tests, but have names starting with "bench" instead
of "test", and can be found under the "benchmarks" sub-directory of the
module.
Each NumPy module exposes `bench` in its namespace to run all benchmarks
for it.
Examples
--------
>>> success = np.lib.bench() #doctest: +SKIP
Running benchmarks for numpy.lib
...
using 562341 items:
unique:
0.11
unique1d:
0.11
ratio: 1.0
nUnique: 56230 == 56230
...
OK
>>> success #doctest: +SKIP
True
"""
print("Running benchmarks for %s" % self.package_name)
self._show_system_info()
argv = self._test_argv(label, verbose, extra_argv)
argv += ['--match', r'(?:^|[\\b_\\.%s-])[Bb]ench' % os.sep]
# import nose or make informative error
nose = import_nose()
# get plugin to disable doctests
from .noseclasses import Unplugger
add_plugins = [Unplugger('doctest')]
return nose.run(argv=argv, addplugins=add_plugins)
def _numpy_tester():
if hasattr(np, "__version__") and ".dev0" in np.__version__:
mode = "develop"
else:
mode = "release"
return NoseTester(raise_warnings=mode, depth=1,
check_fpu_mode=True)
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