openstack/python-barbicanclient
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sync oslo

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Change-Id: I4569f14d71dd3823b49c51db5b417cc07a5e9609
This commit is contained in:
Paul Kehrer
2014-03-20 07:49:28 -04:00
parent 68610d2adc
commit 026db28334
9 changed files with 488 additions and 550 deletions
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17
barbicanclient/openstack/common/__init__.py
View File

@@ -0,0 +1,17 @@
#
# 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 six
six.add_move(six.MovedModule('mox', 'mox', 'mox3.mox'))

412
barbicanclient/openstack/common/gettextutils.py
View File

@@ -1,6 +1,5 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Red Hat, Inc.
# Copyright 2013 IBM Corp.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -23,18 +22,78 @@ Usual usage in an openstack.common module:
from barbicanclient.openstack.common.gettextutils import _
"""
import copy
import functools
import gettext
import locale
from logging import handlers
import os
from babel import localedata
import six
_localedir = os.environ.get('barbicanclient'.upper() + '_LOCALEDIR')
_t = gettext.translation('barbicanclient', localedir=_localedir, fallback=True)
# We use separate translation catalogs for each log level, so set up a
# mapping between the log level name and the translator. The domain
# for the log level is project_name + "-log-" + log_level so messages
# for each level end up in their own catalog.
_t_log_levels = dict(
(level, gettext.translation('barbicanclient' + '-log-' + level,
localedir=_localedir,
fallback=True))
for level in ['info', 'warning', 'error', 'critical']
)
_AVAILABLE_LANGUAGES = {}
USE_LAZY = False
def enable_lazy():
"""Convenience function for configuring _() to use lazy gettext
Call this at the start of execution to enable the gettextutils._
function to use lazy gettext functionality. This is useful if
your project is importing _ directly instead of using the
gettextutils.install() way of importing the _ function.
"""
global USE_LAZY
USE_LAZY = True
def _(msg):
return _t.ugettext(msg)
if USE_LAZY:
return Message(msg, domain='barbicanclient')
else:
if six.PY3:
return _t.gettext(msg)
return _t.ugettext(msg)
def install(domain):
def _log_translation(msg, level):
"""Build a single translation of a log message
"""
if USE_LAZY:
return Message(msg, domain='barbicanclient' + '-log-' + level)
else:
translator = _t_log_levels[level]
if six.PY3:
return translator.gettext(msg)
return translator.ugettext(msg)
# Translators for log levels.
#
# The abbreviated names are meant to reflect the usual use of a short
# name like '_'. The "L" is for "log" and the other letter comes from
# the level.
_LI = functools.partial(_log_translation, level='info')
_LW = functools.partial(_log_translation, level='warning')
_LE = functools.partial(_log_translation, level='error')
_LC = functools.partial(_log_translation, level='critical')
def install(domain, lazy=False):
"""Install a _() function using the given translation domain.
Given a translation domain, install a _() function using gettext's
@@ -44,7 +103,346 @@ def install(domain):
overriding the default localedir (e.g. /usr/share/locale) using
a translation-domain-specific environment variable (e.g.
NOVA_LOCALEDIR).
:param domain: the translation domain
:param lazy: indicates whether or not to install the lazy _() function.
The lazy _() introduces a way to do deferred translation
of messages by installing a _ that builds Message objects,
instead of strings, which can then be lazily translated into
any available locale.
"""
gettext.install(domain,
localedir=os.environ.get(domain.upper() + '_LOCALEDIR'),
unicode=True)
if lazy:
# NOTE(mrodden): Lazy gettext functionality.
#
# The following introduces a deferred way to do translations on
# messages in OpenStack. We override the standard _() function
# and % (format string) operation to build Message objects that can
# later be translated when we have more information.
def _lazy_gettext(msg):
"""Create and return a Message object.
Lazy gettext function for a given domain, it is a factory method
for a project/module to get a lazy gettext function for its own
translation domain (i.e. nova, glance, cinder, etc.)
Message encapsulates a string so that we can translate
it later when needed.
"""
return Message(msg, domain=domain)
from six import moves
moves.builtins.__dict__['_'] = _lazy_gettext
else:
localedir = '%s_LOCALEDIR' % domain.upper()
if six.PY3:
gettext.install(domain,
localedir=os.environ.get(localedir))
else:
gettext.install(domain,
localedir=os.environ.get(localedir),
unicode=True)
class Message(six.text_type):
"""A Message object is a unicode object that can be translated.
Translation of Message is done explicitly using the translate() method.
For all non-translation intents and purposes, a Message is simply unicode,
and can be treated as such.
"""
def __new__(cls, msgid, msgtext=None, params=None,
domain='barbicanclient', *args):
"""Create a new Message object.
In order for translation to work gettext requires a message ID, this
msgid will be used as the base unicode text. It is also possible
for the msgid and the base unicode text to be different by passing
the msgtext parameter.
"""
# If the base msgtext is not given, we use the default translation
# of the msgid (which is in English) just in case the system locale is
# not English, so that the base text will be in that locale by default.
if not msgtext:
msgtext = Message._translate_msgid(msgid, domain)
# We want to initialize the parent unicode with the actual object that
# would have been plain unicode if 'Message' was not enabled.
msg = super(Message, cls).__new__(cls, msgtext)
msg.msgid = msgid
msg.domain = domain
msg.params = params
return msg
def translate(self, desired_locale=None):
"""Translate this message to the desired locale.
:param desired_locale: The desired locale to translate the message to,
if no locale is provided the message will be
translated to the system's default locale.
:returns: the translated message in unicode
"""
translated_message = Message._translate_msgid(self.msgid,
self.domain,
desired_locale)
if self.params is None:
# No need for more translation
return translated_message
# This Message object may have been formatted with one or more
# Message objects as substitution arguments, given either as a single
# argument, part of a tuple, or as one or more values in a dictionary.
# When translating this Message we need to translate those Messages too
translated_params = _translate_args(self.params, desired_locale)
translated_message = translated_message % translated_params
return translated_message
@staticmethod
def _translate_msgid(msgid, domain, desired_locale=None):
if not desired_locale:
system_locale = locale.getdefaultlocale()
# If the system locale is not available to the runtime use English
if not system_locale[0]:
desired_locale = 'en_US'
else:
desired_locale = system_locale[0]
locale_dir = os.environ.get(domain.upper() + '_LOCALEDIR')
lang = gettext.translation(domain,
localedir=locale_dir,
languages=[desired_locale],
fallback=True)
if six.PY3:
translator = lang.gettext
else:
translator = lang.ugettext
translated_message = translator(msgid)
return translated_message
def __mod__(self, other):
# When we mod a Message we want the actual operation to be performed
# by the parent class (i.e. unicode()), the only thing we do here is
# save the original msgid and the parameters in case of a translation
params = self._sanitize_mod_params(other)
unicode_mod = super(Message, self).__mod__(params)
modded = Message(self.msgid,
msgtext=unicode_mod,
params=params,
domain=self.domain)
return modded
def _sanitize_mod_params(self, other):
"""Sanitize the object being modded with this Message.
- Add support for modding 'None' so translation supports it
- Trim the modded object, which can be a large dictionary, to only
those keys that would actually be used in a translation
- Snapshot the object being modded, in case the message is
translated, it will be used as it was when the Message was created
"""
if other is None:
params = (other,)
elif isinstance(other, dict):
# Merge the dictionaries
# Copy each item in case one does not support deep copy.
params = {}
if isinstance(self.params, dict):
for key, val in self.params.items():
params[key] = self._copy_param(val)
for key, val in other.items():
params[key] = self._copy_param(val)
else:
params = self._copy_param(other)
return params
def _copy_param(self, param):
try:
return copy.deepcopy(param)
except Exception:
# Fallback to casting to unicode this will handle the
# python code-like objects that can't be deep-copied
return six.text_type(param)
def __add__(self, other):
msg = _('Message objects do not support addition.')
raise TypeError(msg)
def __radd__(self, other):
return self.__add__(other)
def __str__(self):
# NOTE(luisg): Logging in python 2.6 tries to str() log records,
# and it expects specifically a UnicodeError in order to proceed.
msg = _('Message objects do not support str() because they may '
'contain non-ascii characters. '
'Please use unicode() or translate() instead.')
raise UnicodeError(msg)
def get_available_languages(domain):
"""Lists the available languages for the given translation domain.
:param domain: the domain to get languages for
"""
if domain in _AVAILABLE_LANGUAGES:
return copy.copy(_AVAILABLE_LANGUAGES[domain])
localedir = '%s_LOCALEDIR' % domain.upper()
find = lambda x: gettext.find(domain,
localedir=os.environ.get(localedir),
languages=[x])
# NOTE(mrodden): en_US should always be available (and first in case
# order matters) since our in-line message strings are en_US
language_list = ['en_US']
# NOTE(luisg): Babel <1.0 used a function called list(), which was
# renamed to locale_identifiers() in >=1.0, the requirements master list
# requires >=0.9.6, uncapped, so defensively work with both. We can remove
# this check when the master list updates to >=1.0, and update all projects
list_identifiers = (getattr(localedata, 'list', None) or
getattr(localedata, 'locale_identifiers'))
locale_identifiers = list_identifiers()
for i in locale_identifiers:
if find(i) is not None:
language_list.append(i)
# NOTE(luisg): Babel>=1.0,<1.3 has a bug where some OpenStack supported
# locales (e.g. 'zh_CN', and 'zh_TW') aren't supported even though they
# are perfectly legitimate locales:
# https://github.com/mitsuhiko/babel/issues/37
# In Babel 1.3 they fixed the bug and they support these locales, but
# they are still not explicitly "listed" by locale_identifiers().
# That is why we add the locales here explicitly if necessary so that
# they are listed as supported.
aliases = {'zh': 'zh_CN',
'zh_Hant_HK': 'zh_HK',
'zh_Hant': 'zh_TW',
'fil': 'tl_PH'}
for (locale, alias) in six.iteritems(aliases):
if locale in language_list and alias not in language_list:
language_list.append(alias)
_AVAILABLE_LANGUAGES[domain] = language_list
return copy.copy(language_list)
def translate(obj, desired_locale=None):
"""Gets the translated unicode representation of the given object.
If the object is not translatable it is returned as-is.
If the locale is None the object is translated to the system locale.
:param obj: the object to translate
:param desired_locale: the locale to translate the message to, if None the
default system locale will be used
:returns: the translated object in unicode, or the original object if
it could not be translated
"""
message = obj
if not isinstance(message, Message):
# If the object to translate is not already translatable,
# let's first get its unicode representation
message = six.text_type(obj)
if isinstance(message, Message):
# Even after unicoding() we still need to check if we are
# running with translatable unicode before translating
return message.translate(desired_locale)
return obj
def _translate_args(args, desired_locale=None):
"""Translates all the translatable elements of the given arguments object.
This method is used for translating the translatable values in method
arguments which include values of tuples or dictionaries.
If the object is not a tuple or a dictionary the object itself is
translated if it is translatable.
If the locale is None the object is translated to the system locale.
:param args: the args to translate
:param desired_locale: the locale to translate the args to, if None the
default system locale will be used
:returns: a new args object with the translated contents of the original
"""
if isinstance(args, tuple):
return tuple(translate(v, desired_locale) for v in args)
if isinstance(args, dict):
translated_dict = {}
for (k, v) in six.iteritems(args):
translated_v = translate(v, desired_locale)
translated_dict[k] = translated_v
return translated_dict
return translate(args, desired_locale)
class TranslationHandler(handlers.MemoryHandler):
"""Handler that translates records before logging them.
The TranslationHandler takes a locale and a target logging.Handler object
to forward LogRecord objects to after translating them. This handler
depends on Message objects being logged, instead of regular strings.
The handler can be configured declaratively in the logging.conf as follows:
[handlers]
keys = translatedlog, translator
[handler_translatedlog]
class = handlers.WatchedFileHandler
args = ('/var/log/api-localized.log',)
formatter = context
[handler_translator]
class = openstack.common.log.TranslationHandler
target = translatedlog
args = ('zh_CN',)
If the specified locale is not available in the system, the handler will
log in the default locale.
"""
def __init__(self, locale=None, target=None):
"""Initialize a TranslationHandler
:param locale: locale to use for translating messages
:param target: logging.Handler object to forward
LogRecord objects to after translation
"""
# NOTE(luisg): In order to allow this handler to be a wrapper for
# other handlers, such as a FileHandler, and still be able to
# configure it using logging.conf, this handler has to extend
# MemoryHandler because only the MemoryHandlers' logging.conf
# parsing is implemented such that it accepts a target handler.
handlers.MemoryHandler.__init__(self, capacity=0, target=target)
self.locale = locale
def setFormatter(self, fmt):
self.target.setFormatter(fmt)
def emit(self, record):
# We save the message from the original record to restore it
# after translation, so other handlers are not affected by this
original_msg = record.msg
original_args = record.args
try:
self._translate_and_log_record(record)
finally:
record.msg = original_msg
record.args = original_args
def _translate_and_log_record(self, record):
record.msg = translate(record.msg, self.locale)
# In addition to translating the message, we also need to translate
# arguments that were passed to the log method that were not part
# of the main message e.g., log.info(_('Some message %s'), this_one))
record.args = _translate_args(record.args, self.locale)
self.target.emit(record)

14
barbicanclient/openstack/common/importutils.py
View File

@@ -1,5 +1,3 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack Foundation.
# All Rights Reserved.
#
@@ -41,8 +39,9 @@ def import_object(import_str, *args, **kwargs):
def import_object_ns(name_space, import_str, *args, **kwargs):
"""
Import a class and return an instance of it, first by trying
"""Tries to import object from default namespace.
Imports a class and return an instance of it, first by trying
to find the class in a default namespace, then failing back to
a full path if not found in the default namespace.
"""
@@ -59,6 +58,13 @@ def import_module(import_str):
return sys.modules[import_str]
def import_versioned_module(version, submodule=None):
module = 'barbicanclient.v%s' % version
if submodule:
module = '.'.join((module, submodule))
return import_module(module)
def try_import(import_str, default=None):
"""Try to import a module and if it fails return default."""
try:

17
barbicanclient/openstack/common/jsonutils.py
View File

@@ -1,5 +1,3 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# Copyright 2011 Justin Santa Barbara
@@ -38,13 +36,15 @@ import functools
import inspect
import itertools
import json
import types
import xmlrpclib
import six
import six.moves.xmlrpc_client as xmlrpclib
from barbicanclient.openstack.common import gettextutils
from barbicanclient.openstack.common import importutils
from barbicanclient.openstack.common import timeutils
netaddr = importutils.try_import("netaddr")
_nasty_type_tests = [inspect.ismodule, inspect.isclass, inspect.ismethod,
inspect.isfunction, inspect.isgeneratorfunction,
@@ -52,7 +52,8 @@ _nasty_type_tests = [inspect.ismodule, inspect.isclass, inspect.ismethod,
inspect.iscode, inspect.isbuiltin, inspect.isroutine,
inspect.isabstract]
_simple_types = (types.NoneType, int, basestring, bool, float, long)
_simple_types = (six.string_types + six.integer_types
+ (type(None), bool, float))
def to_primitive(value, convert_instances=False, convert_datetime=True,
@@ -117,7 +118,7 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
level=level,
max_depth=max_depth)
if isinstance(value, dict):
return dict((k, recursive(v)) for k, v in value.iteritems())
return dict((k, recursive(v)) for k, v in six.iteritems(value))
elif isinstance(value, (list, tuple)):
return [recursive(lv) for lv in value]
@@ -129,6 +130,8 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
if convert_datetime and isinstance(value, datetime.datetime):
return timeutils.strtime(value)
elif isinstance(value, gettextutils.Message):
return value.data
elif hasattr(value, 'iteritems'):
return recursive(dict(value.iteritems()), level=level + 1)
elif hasattr(value, '__iter__'):
@@ -137,6 +140,8 @@ def to_primitive(value, convert_instances=False, convert_datetime=True,
# Likely an instance of something. Watch for cycles.
# Ignore class member vars.
return recursive(value.__dict__, level=level + 1)
elif netaddr and isinstance(value, netaddr.IPAddress):
return six.text_type(value)
else:
if any(test(value) for test in _nasty_type_tests):
return six.text_type(value)

48
barbicanclient/openstack/common/local.py
View File

@@ -1,48 +0,0 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack Foundation.
# All Rights Reserved.
#
# 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.
"""Greenthread local storage of variables using weak references"""
import weakref
from eventlet import corolocal
class WeakLocal(corolocal.local):
def __getattribute__(self, attr):
rval = corolocal.local.__getattribute__(self, attr)
if rval:
# NOTE(mikal): this bit is confusing. What is stored is a weak
# reference, not the value itself. We therefore need to lookup
# the weak reference and return the inner value here.
rval = rval()
return rval
def __setattr__(self, attr, value):
value = weakref.ref(value)
return corolocal.local.__setattr__(self, attr, value)
# NOTE(mikal): the name "store" should be deprecated in the future
store = WeakLocal()
# A "weak" store uses weak references and allows an object to fall out of scope
# when it falls out of scope in the code that uses the thread local storage. A
# "strong" store will hold a reference to the object so that it never falls out
# of scope.
weak_store = WeakLocal()
strong_store = corolocal.local

369
barbicanclient/openstack/common/setup.py
View File

@@ -1,369 +0,0 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack Foundation.
# Copyright 2012-2013 Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# 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.
"""
Utilities with minimum-depends for use in setup.py
"""
from __future__ import print_function
import email
import os
import re
import subprocess
import sys
from setuptools.command import sdist
def parse_mailmap(mailmap='.mailmap'):
mapping = {}
if os.path.exists(mailmap):
with open(mailmap, 'r') as fp:
for l in fp:
try:
canonical_email, alias = re.match(
r'[^#]*?(<.+>).*(<.+>).*', l).groups()
except AttributeError:
continue
mapping[alias] = canonical_email
return mapping
def _parse_git_mailmap(git_dir, mailmap='.mailmap'):
mailmap = os.path.join(os.path.dirname(git_dir), mailmap)
return parse_mailmap(mailmap)
def canonicalize_emails(changelog, mapping):
"""Takes in a string and an email alias mapping and replaces all
instances of the aliases in the string with their real email.
"""
for alias, email_address in mapping.iteritems():
changelog = changelog.replace(alias, email_address)
return changelog
# Get requirements from the first file that exists
def get_reqs_from_files(requirements_files):
for requirements_file in requirements_files:
if os.path.exists(requirements_file):
with open(requirements_file, 'r') as fil:
return fil.read().split('\n')
return []
def parse_requirements(requirements_files=['requirements.txt',
'tools/pip-requires']):
requirements = []
for line in get_reqs_from_files(requirements_files):
# For the requirements list, we need to inject only the portion
# after egg= so that distutils knows the package it's looking for
# such as:
# -e git://github.com/openstack/nova/master#egg=nova
if re.match(r'\s*-e\s+', line):
requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1',
line))
# such as:
# http://github.com/openstack/nova/zipball/master#egg=nova
elif re.match(r'\s*https?:', line):
requirements.append(re.sub(r'\s*https?:.*#egg=(.*)$', r'\1',
line))
# -f lines are for index locations, and don't get used here
elif re.match(r'\s*-f\s+', line):
pass
# argparse is part of the standard library starting with 2.7
# adding it to the requirements list screws distro installs
elif line == 'argparse' and sys.version_info >= (2, 7):
pass
else:
requirements.append(line)
return requirements
def parse_dependency_links(requirements_files=['requirements.txt',
'tools/pip-requires']):
dependency_links = []
# dependency_links inject alternate locations to find packages listed
# in requirements
for line in get_reqs_from_files(requirements_files):
# skip comments and blank lines
if re.match(r'(\s*#)|(\s*$)', line):
continue
# lines with -e or -f need the whole line, minus the flag
if re.match(r'\s*-[ef]\s+', line):
dependency_links.append(re.sub(r'\s*-[ef]\s+', '', line))
# lines that are only urls can go in unmolested
elif re.match(r'\s*https?:', line):
dependency_links.append(line)
return dependency_links
def _run_shell_command(cmd, throw_on_error=False):
if os.name == 'nt':
output = subprocess.Popen(["cmd.exe", "/C", cmd],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
else:
output = subprocess.Popen(["/bin/sh", "-c", cmd],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out = output.communicate()
if output.returncode and throw_on_error:
raise Exception("%s returned %d" % cmd, output.returncode)
if len(out) == 0:
return None
if len(out[0].strip()) == 0:
return None
return out[0].strip()
def _get_git_directory():
parent_dir = os.path.dirname(__file__)
while True:
git_dir = os.path.join(parent_dir, '.git')
if os.path.exists(git_dir):
return git_dir
parent_dir, child = os.path.split(parent_dir)
if not child: # reached to root dir
return None
def write_git_changelog():
"""Write a changelog based on the git changelog."""
new_changelog = 'ChangeLog'
git_dir = _get_git_directory()
if not os.getenv('SKIP_WRITE_GIT_CHANGELOG'):
if git_dir:
git_log_cmd = 'git --git-dir=%s log' % git_dir
changelog = _run_shell_command(git_log_cmd)
mailmap = _parse_git_mailmap(git_dir)
with open(new_changelog, "w") as changelog_file:
changelog_file.write(canonicalize_emails(changelog, mailmap))
else:
open(new_changelog, 'w').close()
def generate_authors():
"""Create AUTHORS file using git commits."""
jenkins_email = 'jenkins@review.(openstack|stackforge).org'
old_authors = 'AUTHORS.in'
new_authors = 'AUTHORS'
git_dir = _get_git_directory()
if not os.getenv('SKIP_GENERATE_AUTHORS'):
if git_dir:
# don't include jenkins email address in AUTHORS file
git_log_cmd = ("git --git-dir=" + git_dir +
" log --format='%aN <%aE>' | sort -u | "
"egrep -v '" + jenkins_email + "'")
changelog = _run_shell_command(git_log_cmd)
signed_cmd = ("git --git-dir=" + git_dir +
" log | grep -i Co-authored-by: | sort -u")
signed_entries = _run_shell_command(signed_cmd)
if signed_entries:
new_entries = "\n".join(
[signed.split(":", 1)[1].strip()
for signed in signed_entries.split("\n") if signed])
changelog = "\n".join((changelog, new_entries))
mailmap = _parse_git_mailmap(git_dir)
with open(new_authors, 'w') as new_authors_fh:
new_authors_fh.write(canonicalize_emails(changelog, mailmap))
if os.path.exists(old_authors):
with open(old_authors, "r") as old_authors_fh:
new_authors_fh.write('\n' + old_authors_fh.read())
else:
open(new_authors, 'w').close()
_rst_template = """%(heading)s
%(underline)s
.. automodule:: %(module)s
:members:
:undoc-members:
:show-inheritance:
"""
def get_cmdclass():
"""Return dict of commands to run from setup.py."""
cmdclass = dict()
def _find_modules(arg, dirname, files):
for filename in files:
if filename.endswith('.py') and filename != '__init__.py':
arg["%s.%s" % (dirname.replace('/', '.'),
filename[:-3])] = True
class LocalSDist(sdist.sdist):
"""Builds the ChangeLog and Authors files from VC first."""
def run(self):
write_git_changelog()
generate_authors()
# sdist.sdist is an old style class, can't use super()
sdist.sdist.run(self)
cmdclass['sdist'] = LocalSDist
# If Sphinx is installed on the box running setup.py,
# enable setup.py to build the documentation, otherwise,
# just ignore it
try:
from sphinx.setup_command import BuildDoc
class LocalBuildDoc(BuildDoc):
builders = ['html', 'man']
def generate_autoindex(self):
print("**Autodocumenting from %s" % os.path.abspath(os.curdir))
modules = {}
option_dict = self.distribution.get_option_dict('build_sphinx')
source_dir = os.path.join(option_dict['source_dir'][1], 'api')
if not os.path.exists(source_dir):
os.makedirs(source_dir)
for pkg in self.distribution.packages:
if '.' not in pkg:
os.path.walk(pkg, _find_modules, modules)
module_list = modules.keys()
module_list.sort()
autoindex_filename = os.path.join(source_dir, 'autoindex.rst')
with open(autoindex_filename, 'w') as autoindex:
autoindex.write(""".. toctree::
:maxdepth: 1
""")
for module in module_list:
output_filename = os.path.join(source_dir,
"%s.rst" % module)
heading = "The :mod:`%s` Module" % module
underline = "=" * len(heading)
values = dict(module=module, heading=heading,
underline=underline)
print("Generating %s" % output_filename)
with open(output_filename, 'w') as output_file:
output_file.write(_rst_template % values)
autoindex.write(" %s.rst\n" % module)
def run(self):
if not os.getenv('SPHINX_DEBUG'):
self.generate_autoindex()
for builder in self.builders:
self.builder = builder
self.finalize_options()
self.project = self.distribution.get_name()
self.version = self.distribution.get_version()
self.release = self.distribution.get_version()
BuildDoc.run(self)
class LocalBuildLatex(LocalBuildDoc):
builders = ['latex']
cmdclass['build_sphinx'] = LocalBuildDoc
cmdclass['build_sphinx_latex'] = LocalBuildLatex
except ImportError:
pass
return cmdclass
def _get_revno(git_dir):
"""Return the number of commits since the most recent tag.
We use git-describe to find this out, but if there are no
tags then we fall back to counting commits since the beginning
of time.
"""
describe = _run_shell_command(
"git --git-dir=%s describe --always" % git_dir)
if "-" in describe:
return describe.rsplit("-", 2)[-2]
# no tags found
revlist = _run_shell_command(
"git --git-dir=%s rev-list --abbrev-commit HEAD" % git_dir)
return len(revlist.splitlines())
def _get_version_from_git(pre_version):
"""Return a version which is equal to the tag that's on the current
revision if there is one, or tag plus number of additional revisions
if the current revision has no tag."""
git_dir = _get_git_directory()
if git_dir:
if pre_version:
try:
return _run_shell_command(
"git --git-dir=" + git_dir + " describe --exact-match",
throw_on_error=True).replace('-', '.')
except Exception:
sha = _run_shell_command(
"git --git-dir=" + git_dir + " log -n1 --pretty=format:%h")
return "%s.a%s.g%s" % (pre_version, _get_revno(git_dir), sha)
else:
return _run_shell_command(
"git --git-dir=" + git_dir + " describe --always").replace(
'-', '.')
return None
def _get_version_from_pkg_info(package_name):
"""Get the version from PKG-INFO file if we can."""
try:
pkg_info_file = open('PKG-INFO', 'r')
except (IOError, OSError):
return None
try:
pkg_info = email.message_from_file(pkg_info_file)
except email.MessageError:
return None
# Check to make sure we're in our own dir
if pkg_info.get('Name', None) != package_name:
return None
return pkg_info.get('Version', None)
def get_version(package_name, pre_version=None):
"""Get the version of the project. First, try getting it from PKG-INFO, if
it exists. If it does, that means we're in a distribution tarball or that
install has happened. Otherwise, if there is no PKG-INFO file, pull the
version from git.
We do not support setup.py version sanity in git archive tarballs, nor do
we support packagers directly sucking our git repo into theirs. We expect
that a source tarball be made from our git repo - or that if someone wants
to make a source tarball from a fork of our repo with additional tags in it
that they understand and desire the results of doing that.
"""
version = os.environ.get("OSLO_PACKAGE_VERSION", None)
if version:
return version
version = _get_version_from_pkg_info(package_name)
if version:
return version
version = _get_version_from_git(pre_version)
if version:
return version
raise Exception("Versioning for this project requires either an sdist"
" tarball, or access to an upstream git repository.")

66
barbicanclient/openstack/common/timeutils.py
View File

@@ -1,5 +1,3 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack Foundation.
# All Rights Reserved.
#
@@ -21,8 +19,10 @@ Time related utilities and helper functions.
import calendar
import datetime
import time
import iso8601
import six
# ISO 8601 extended time format with microseconds
@@ -32,7 +32,7 @@ PERFECT_TIME_FORMAT = _ISO8601_TIME_FORMAT_SUBSECOND
def isotime(at=None, subsecond=False):
"""Stringify time in ISO 8601 format"""
"""Stringify time in ISO 8601 format."""
if not at:
at = utcnow()
st = at.strftime(_ISO8601_TIME_FORMAT
@@ -44,13 +44,13 @@ def isotime(at=None, subsecond=False):
def parse_isotime(timestr):
"""Parse time from ISO 8601 format"""
"""Parse time from ISO 8601 format."""
try:
return iso8601.parse_date(timestr)
except iso8601.ParseError as e:
raise ValueError(e.message)
raise ValueError(six.text_type(e))
except TypeError as e:
raise ValueError(e.message)
raise ValueError(six.text_type(e))
def strtime(at=None, fmt=PERFECT_TIME_FORMAT):
@@ -66,7 +66,7 @@ def parse_strtime(timestr, fmt=PERFECT_TIME_FORMAT):
def normalize_time(timestamp):
"""Normalize time in arbitrary timezone to UTC naive object"""
"""Normalize time in arbitrary timezone to UTC naive object."""
offset = timestamp.utcoffset()
if offset is None:
return timestamp
@@ -75,20 +75,31 @@ def normalize_time(timestamp):
def is_older_than(before, seconds):
"""Return True if before is older than seconds."""
if isinstance(before, basestring):
if isinstance(before, six.string_types):
before = parse_strtime(before).replace(tzinfo=None)
else:
before = before.replace(tzinfo=None)
return utcnow() - before > datetime.timedelta(seconds=seconds)
def is_newer_than(after, seconds):
"""Return True if after is newer than seconds."""
if isinstance(after, basestring):
if isinstance(after, six.string_types):
after = parse_strtime(after).replace(tzinfo=None)
else:
after = after.replace(tzinfo=None)
return after - utcnow() > datetime.timedelta(seconds=seconds)
def utcnow_ts():
"""Timestamp version of our utcnow function."""
if utcnow.override_time is None:
# NOTE(kgriffs): This is several times faster
# than going through calendar.timegm(...)
return int(time.time())
return calendar.timegm(utcnow().timetuple())
@@ -103,19 +114,22 @@ def utcnow():
def iso8601_from_timestamp(timestamp):
"""Returns a iso8601 formated date from timestamp"""
"""Returns a iso8601 formatted date from timestamp."""
return isotime(datetime.datetime.utcfromtimestamp(timestamp))
utcnow.override_time = None
def set_time_override(override_time=datetime.datetime.utcnow()):
def set_time_override(override_time=None):
"""Overrides utils.utcnow.
Make it return a constant time or a list thereof, one at a time.
:param override_time: datetime instance or list thereof. If not
given, defaults to the current UTC time.
"""
Override utils.utcnow to return a constant time or a list thereof,
one at a time.
"""
utcnow.override_time = override_time
utcnow.override_time = override_time or datetime.datetime.utcnow()
def advance_time_delta(timedelta):
@@ -141,7 +155,8 @@ def clear_time_override():
def marshall_now(now=None):
"""Make an rpc-safe datetime with microseconds.
Note: tzinfo is stripped, but not required for relative times."""
Note: tzinfo is stripped, but not required for relative times.
"""
if not now:
now = utcnow()
return dict(day=now.day, month=now.month, year=now.year, hour=now.hour,
@@ -161,11 +176,21 @@ def unmarshall_time(tyme):
def delta_seconds(before, after):
"""
"""Return the difference between two timing objects.
Compute the difference in seconds between two date, time, or
datetime objects (as a float, to microsecond resolution).
"""
delta = after - before
return total_seconds(delta)
def total_seconds(delta):
"""Return the total seconds of datetime.timedelta object.
Compute total seconds of datetime.timedelta, datetime.timedelta
doesn't have method total_seconds in Python2.6, calculate it manually.
"""
try:
return delta.total_seconds()
except AttributeError:
@@ -174,11 +199,10 @@ def delta_seconds(before, after):
def is_soon(dt, window):
"""
Determines if time is going to happen in the next window seconds.
"""Determines if time is going to happen in the next window seconds.
:params dt: the time
:params window: minimum seconds to remain to consider the time not soon
:param dt: the time
:param window: minimum seconds to remain to consider the time not soon
:return: True if expiration is within the given duration
"""

94
barbicanclient/openstack/common/version.py
View File

@@ -1,94 +0,0 @@
# Copyright 2012 OpenStack Foundation
# Copyright 2012-2013 Hewlett-Packard Development Company, L.P.
#
# 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.
"""
Utilities for consuming the version from pkg_resources.
"""
import pkg_resources
class VersionInfo(object):
def __init__(self, package):
"""Object that understands versioning for a package
:param package: name of the python package, such as glance, or
python-glanceclient
"""
self.package = package
self.release = None
self.version = None
self._cached_version = None
def __str__(self):
"""Make the VersionInfo object behave like a string."""
return self.version_string()
def __repr__(self):
"""Include the name."""
return "VersionInfo(%s:%s)" % (self.package, self.version_string())
def _get_version_from_pkg_resources(self):
"""Get the version of the package from the pkg_resources record
associated with the package."""
try:
requirement = pkg_resources.Requirement.parse(self.package)
provider = pkg_resources.get_provider(requirement)
return provider.version
except pkg_resources.DistributionNotFound:
# The most likely cause for this is running tests in a tree
# produced from a tarball where the package itself has not been
# installed into anything. Revert to setup-time logic.
from barbicanclient.openstack.common import setup
return setup.get_version(self.package)
def release_string(self):
"""Return the full version of the package including suffixes indicating
VCS status.
"""
if self.release is None:
self.release = self._get_version_from_pkg_resources()
return self.release
def version_string(self):
"""Return the short version minus any alpha/beta tags."""
if self.version is None:
parts = []
for part in self.release_string().split('.'):
if part[0].isdigit():
parts.append(part)
else:
break
self.version = ".".join(parts)
return self.version
# Compatibility functions
canonical_version_string = version_string
version_string_with_vcs = release_string
def cached_version_string(self, prefix=""):
"""Generate an object which will expand in a string context to
the results of version_string(). We do this so that don't
call into pkg_resources every time we start up a program when
passing version information into the CONF constructor, but
rather only do the calculation when and if a version is requested
"""
if not self._cached_version:
self._cached_version = "%s%s" % (prefix,
self.version_string())
return self._cached_version

1
requirements.txt
View File

@@ -1,6 +1,5 @@
pbr>=0.5.21,<1.0
argparse
eventlet>=0.13.0
requests>=1.2.3
python-keystoneclient>=0.3.2