diff options
| -rw-r--r-- | LICENSE | 202 | ||||
| -rw-r--r-- | MANIFEST.in | 1 | ||||
| -rw-r--r-- | README.md | 43 | ||||
| -rw-r--r-- | debian/changelog | 31 | ||||
| -rw-r--r-- | debian/compat | 1 | ||||
| -rw-r--r-- | debian/control | 52 | ||||
| -rw-r--r-- | debian/copyright | 27 | ||||
| -rw-r--r-- | debian/files | 2 | ||||
| -rw-r--r-- | debian/gbp.conf | 9 | ||||
| -rwxr-xr-x | debian/rules | 36 | ||||
| -rw-r--r-- | debian/source/format | 1 | ||||
| -rw-r--r-- | debian/source/options | 1 | ||||
| -rw-r--r-- | debian/watch | 3 | ||||
| -rw-r--r-- | monotonic.py | 164 | ||||
| -rw-r--r-- | setup.py | 49 |
15 files changed, 622 insertions, 0 deletions
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\ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..236ec03 --- /dev/null +++ b/README.md @@ -0,0 +1,43 @@ +monotonic +========= +This module provides a ``monotonic()`` function which returns the +value (in fractional seconds) of a clock which never goes backwards. +It is compatible with Python 2 and Python 3. + +On Python 3.3 or newer, ``monotonic`` will be an alias of +[``time.monotonic``][0] from the standard library. On older versions, +it will fall back to an equivalent implementation: + + OS | Implementation +-------------|------------------------- + Linux, *BSD | [clock_gettime][1] + Windows | [GetTickCount[64]][2] + OS X | [mach_absolute_time][3] + +If no suitable implementation exists for the current platform, +attempting to import this module (or to import from it) will +cause a RuntimeError exception to be raised. + +monotonic is available via the Python Cheese Shop (PyPI): + https://pypi.python.org/pypi/monotonic/ + +License +------- +Copyright 2014 Ori Livneh <ori@wikimedia.org> + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +[0]: https://docs.python.org/3/library/time.html#time.monotonic +[1]: http://linux.die.net/man/3/clock_gettime +[2]: http://msdn.microsoft.com/en-us/library/windows/desktop/ms724411 +[3]: https://developer.apple.com/library/mac/qa/qa1398/ diff --git a/debian/changelog b/debian/changelog new file mode 100644 index 0000000..f66b5a8 --- /dev/null +++ b/debian/changelog @@ -0,0 +1,31 @@ +python-monotonic (0.6-2) unstable; urgency=medium + + * Uploading to unstable. + + -- Thomas Goirand <zigo@debian.org> Mon, 04 Apr 2016 08:30:46 +0000 + +python-monotonic (0.6-1) experimental; urgency=medium + + [ Corey Bryant ] + * New upstream release. + + [ Ondřej Nový ] + * Fixed VCS URLs (https). + + [ Thomas Goirand ] + * Fixed debian/copyright ordering. + * Standards-Version: 3.9.7 (no change). + + -- Thomas Goirand <zigo@debian.org> Wed, 02 Mar 2016 10:12:20 +0000 + +python-monotonic (0.3-1) unstable; urgency=medium + + * New upstream release. + + -- Thomas Goirand <zigo@debian.org> Wed, 02 Sep 2015 21:35:29 +0000 + +python-monotonic (0.2-1) unstable; urgency=medium + + * Initial release. (Closes: #789918) + + -- Thomas Goirand <zigo@debian.org> Thu, 25 Jun 2015 10:28:31 +0200 diff --git a/debian/compat b/debian/compat new file mode 100644 index 0000000..ec63514 --- /dev/null +++ b/debian/compat @@ -0,0 +1 @@ +9 diff --git a/debian/control b/debian/control new file mode 100644 index 0000000..60cf71c --- /dev/null +++ b/debian/control @@ -0,0 +1,52 @@ +Source: python-monotonic +Section: python +Priority: optional +Maintainer: PKG OpenStack <openstack-devel@lists.alioth.debian.org> +Uploaders: Thomas Goirand <zigo@debian.org>, +Build-Depends: debhelper (>= 9), + openstack-pkg-tools, + dh-python, + python-all, + python-setuptools, + python3-all, + python3-setuptools, +Standards-Version: 3.9.7 +Vcs-Browser: https://anonscm.debian.org/cgit/openstack/python-monotonic.git/ +Vcs-Git: https://anonscm.debian.org/git/openstack/python-monotonic.git +Homepage: https://github.com/atdt/monotonic + +Package: python-monotonic +Architecture: all +Depends: ${misc:Depends}, + ${python:Depends}, +Description: implementation of time.monotonic() - Python 2.x + This module provides a monotonic() function which returns the value (in + fractional seconds) of a clock which never goes backwards. On Python 3.3 or + newer, monotonic will be an alias of time.monotonic from the standard library. + On older versions, it will fall back to an equivalent implementation: + GetTickCount64 on Windows, mach_absolute_time on OS X, and clock_gettime(3) + on Linux/BSD. + . + If no suitable implementation exists for the current platform, attempting to + import this module (or to import from it) will cause a RuntimeError exception + to be raised. + . + This package contains the Python 2.x module. + +Package: python3-monotonic +Architecture: all +Depends: ${misc:Depends}, + ${python3:Depends}, +Description: implementation of time.monotonic() - Python 3.x + This module provides a monotonic() function which returns the value (in + fractional seconds) of a clock which never goes backwards. On Python 3.3 or + newer, monotonic will be an alias of time.monotonic from the standard library. + On older versions, it will fall back to an equivalent implementation: + GetTickCount64 on Windows, mach_absolute_time on OS X, and clock_gettime(3) + on Linux/BSD. + . + If no suitable implementation exists for the current platform, attempting to + import this module (or to import from it) will cause a RuntimeError exception + to be raised. + . + This package contains the Python 3.x module. diff --git a/debian/copyright b/debian/copyright new file mode 100644 index 0000000..05466d5 --- /dev/null +++ b/debian/copyright @@ -0,0 +1,27 @@ +Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ +Upstream-Name: monotonic +Source: https://github.com/atdt/monotonic + +Files: * +Copyright: (c) 2014-2016, Ori Livneh <ori@wikimedia.org> +License: Apache-2 + +Files: debian/* +Copyright: (c) 2015-2016, Thomas Goirand <zigo@debian.org> +License: Apache-2 + +License: Apache-2 + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + . + http://www.apache.org/licenses/LICENSE-2.0 + . + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + . + On Debian-based systems the full text of the Apache version 2.0 license + can be found in /usr/share/common-licenses/Apache-2.0. diff --git a/debian/files b/debian/files new file mode 100644 index 0000000..e0cdbc6 --- /dev/null +++ b/debian/files @@ -0,0 +1,2 @@ +python-monotonic_0.6-2_all.deb python optional +python3-monotonic_0.6-2_all.deb python optional diff --git a/debian/gbp.conf b/debian/gbp.conf new file mode 100644 index 0000000..10f9500 --- /dev/null +++ b/debian/gbp.conf @@ -0,0 +1,9 @@ +[DEFAULT] +upstream-branch = master +debian-branch = debian/unstable +upstream-tag = %(version)s +compression = xz + +[buildpackage] +export-dir = ../build-area/ + diff --git a/debian/rules b/debian/rules new file mode 100755 index 0000000..c7dc9ae --- /dev/null +++ b/debian/rules @@ -0,0 +1,36 @@ +#!/usr/bin/make -f + +PYTHONS:=$(shell pyversions -vr) +PYTHON3S:=$(shell py3versions -vr) + +UPSTREAM_GIT = git://github.com/atdt/monotonic.git +include /usr/share/openstack-pkg-tools/pkgos.make + +%: + dh $@ --buildsystem=python_distutils --with python2,python3 + +override_dh_install: + set -e ; for pyvers in $(PYTHONS); do \ + python$$pyvers setup.py install --install-layout=deb \ + --root $(CURDIR)/debian/python-monotonic; \ + done + set -e ; for pyvers in $(PYTHON3S); do \ + python$$pyvers setup.py install --install-layout=deb \ + --root $(CURDIR)/debian/python3-monotonic; \ + done + rm -rf $(CURDIR)/debian/python*-monotonic/usr/lib/python*/dist-packages/*.pth + +override_dh_clean: + dh_clean -O--buildsystem=python_distutils + rm -rf build + +# Commands not to run +override_dh_installcatalogs: +override_dh_installemacsen override_dh_installifupdown: +override_dh_installinfo override_dh_installmenu override_dh_installmime: +override_dh_installmodules override_dh_installlogcheck: +override_dh_installpam override_dh_installppp override_dh_installudev override_dh_installwm: +override_dh_installxfonts override_dh_gconf override_dh_icons override_dh_perl override_dh_usrlocal: +override_dh_installcron override_dh_installdebconf: +override_dh_installlogrotate override_dh_installgsettings: +
\ No newline at end of file diff --git a/debian/source/format b/debian/source/format new file mode 100644 index 0000000..163aaf8 --- /dev/null +++ b/debian/source/format @@ -0,0 +1 @@ +3.0 (quilt) diff --git a/debian/source/options b/debian/source/options new file mode 100644 index 0000000..cb61fa5 --- /dev/null +++ b/debian/source/options @@ -0,0 +1 @@ +extend-diff-ignore = "^[^/]*[.]egg-info/" diff --git a/debian/watch b/debian/watch new file mode 100644 index 0000000..84cfebe --- /dev/null +++ b/debian/watch @@ -0,0 +1,3 @@ +version=3 +opts="uversionmangle=s/\.(b|rc)/~$1/" \ +https://github.com/atdt/monotonic/tags .*/(\d[\d\.]+)\.tar\.gz diff --git a/monotonic.py b/monotonic.py new file mode 100644 index 0000000..a3552c0 --- /dev/null +++ b/monotonic.py @@ -0,0 +1,164 @@ +# -*- coding: utf-8 -*- +""" + monotonic + ~~~~~~~~~ + + This module provides a ``monotonic()`` function which returns the + value (in fractional seconds) of a clock which never goes backwards. + + On Python 3.3 or newer, ``monotonic`` will be an alias of + ``time.monotonic`` from the standard library. On older versions, + it will fall back to an equivalent implementation: + + +-------------+--------------------+ + | Linux, BSD | clock_gettime(3) | + +-------------+--------------------+ + | Windows | GetTickCount[64] | + +-------------+--------------------+ + | OS X | mach_absolute_time | + +-------------+--------------------+ + + If no suitable implementation exists for the current platform, + attempting to import this module (or to import from it) will + cause a RuntimeError exception to be raised. + + + Copyright 2014 Ori Livneh <ori@wikimedia.org> + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + +""" +import ctypes +import ctypes.util +import os +import sys +import time +import threading + + +__all__ = ('monotonic',) + + +try: + monotonic = time.monotonic +except AttributeError: + try: + if sys.platform == 'darwin': # OS X, iOS + # See Technical Q&A QA1398 of the Mac Developer Library: + # <https://developer.apple.com/library/mac/qa/qa1398/> + libc = ctypes.CDLL('/usr/lib/libc.dylib', use_errno=True) + + class mach_timebase_info_data_t(ctypes.Structure): + """System timebase info. Defined in <mach/mach_time.h>.""" + _fields_ = (('numer', ctypes.c_uint32), + ('denom', ctypes.c_uint32)) + + mach_absolute_time = libc.mach_absolute_time + mach_absolute_time.restype = ctypes.c_uint64 + + timebase = mach_timebase_info_data_t() + libc.mach_timebase_info(ctypes.byref(timebase)) + ticks_per_second = timebase.numer / timebase.denom * 1.0e9 + + def monotonic(): + """Monotonic clock, cannot go backward.""" + return mach_absolute_time() / ticks_per_second + + elif sys.platform.startswith('win32') or sys.platform.startswith('cygwin'): + if sys.platform.startswith('cygwin'): + # Note: cygwin implements clock_gettime (CLOCK_MONOTONIC = 4) since + # version 1.7.6. Using raw WinAPI for maximum version compatibility. + + # Ugly hack using the wrong calling convention (in 32-bit mode) + # because ctypes has no windll under cygwin (and it also seems that + # the code letting you select stdcall in _ctypes doesn't exist under + # the preprocessor definitions relevant to cygwin). + # This is 'safe' because: + # 1. The ABI of GetTickCount and GetTickCount64 is identical for + # both calling conventions because they both have no parameters. + # 2. libffi masks the problem because after making the call it doesn't + # touch anything through esp and epilogue code restores a correct + # esp from ebp afterwards. + kernel32 = ctypes.cdll.kernel32 + else: + kernel32 = ctypes.windll.kernel32 + + GetTickCount64 = getattr(kernel32, 'GetTickCount64', None) + if GetTickCount64: + # Windows Vista / Windows Server 2008 or newer. + GetTickCount64.restype = ctypes.c_ulonglong + + def monotonic(): + """Monotonic clock, cannot go backward.""" + return GetTickCount64() / 1000.0 + + else: + # Before Windows Vista. + GetTickCount = kernel32.GetTickCount + GetTickCount.restype = ctypes.c_uint32 + + get_tick_count_lock = threading.Lock() + get_tick_count_last_sample = 0 + get_tick_count_wraparounds = 0 + + def monotonic(): + """Monotonic clock, cannot go backward.""" + global get_tick_count_last_sample + global get_tick_count_wraparounds + + with get_tick_count_lock: + current_sample = GetTickCount() + if current_sample < get_tick_count_last_sample: + get_tick_count_wraparounds += 1 + get_tick_count_last_sample = current_sample + + final_milliseconds = get_tick_count_wraparounds << 32 + final_milliseconds += get_tick_count_last_sample + return final_milliseconds / 1000.0 + + else: + try: + clock_gettime = ctypes.CDLL(ctypes.util.find_library('c'), + use_errno=True).clock_gettime + except AttributeError: + clock_gettime = ctypes.CDLL(ctypes.util.find_library('rt'), + use_errno=True).clock_gettime + + class timespec(ctypes.Structure): + """Time specification, as described in clock_gettime(3).""" + _fields_ = (('tv_sec', ctypes.c_long), + ('tv_nsec', ctypes.c_long)) + + if sys.platform.startswith('linux'): + CLOCK_MONOTONIC = 1 + elif sys.platform.startswith('freebsd'): + CLOCK_MONOTONIC = 4 + elif sys.platform.startswith('sunos5'): + CLOCK_MONOTONIC = 4 + elif 'bsd' in sys.platform: + CLOCK_MONOTONIC = 3 + + def monotonic(): + """Monotonic clock, cannot go backward.""" + ts = timespec() + if clock_gettime(CLOCK_MONOTONIC, ctypes.pointer(ts)): + errno = ctypes.get_errno() + raise OSError(errno, os.strerror(errno)) + return ts.tv_sec + ts.tv_nsec / 1.0e9 + + # Perform a sanity-check. + if monotonic() - monotonic() > 0: + raise ValueError('monotonic() is not monotonic!') + + except Exception: + raise RuntimeError('no suitable implementation for this system') diff --git a/setup.py b/setup.py new file mode 100644 index 0000000..2f97dc9 --- /dev/null +++ b/setup.py @@ -0,0 +1,49 @@ +# -*- coding: utf-8 -*- +""" +monotonic +~~~~~~~~~ + +This module provides a ``monotonic()`` function which returns the +value (in fractional seconds) of a clock which never goes backwards. + +On Python 3.3 or newer, ``monotonic`` will be an alias of +``time.monotonic`` from the standard library. On older versions, +it will fall back to an equivalent implementation: + ++-------------+--------------------+ +| Linux, BSD | clock_gettime(3) | ++-------------+--------------------+ +| Windows | GetTickCount[64] | ++-------------+--------------------+ +| OS X | mach_absolute_time | ++-------------+--------------------+ + +If no suitable implementation exists for the current platform, +attempting to import this module (or to import from it) will +cause a RuntimeError exception to be raised. + +""" +try: + from setuptools import setup +except ImportError: + from distutils.core import setup + + +setup( + name='monotonic', + version='0.6', + license='Apache', + author='Ori Livneh', + author_email='ori@wikimedia.org', + url='https://github.com/atdt/monotonic', + description='An implementation of time.monotonic() for Python 2 & < 3.3', + long_description=__doc__, + classifiers=( + 'Development Status :: 4 - Beta', + 'License :: OSI Approved :: Apache Software License', + 'Programming Language :: Python :: 2', + 'Programming Language :: Python :: 3', + 'Topic :: Software Development :: Libraries :: Python Modules', + ), + py_modules=('monotonic',), +) |