sync latest strutils to python-cinderclient
This commit syncs the latest strutils code into
python-cinderclient. The motivation for this sync is to get
access to the mask_password function that was added with commit
cb5a804b .
The sync touches both the strutils.py and gettextutils.py files.
The detailed breakdown of the sync is as follows:
Current HEAD in OSLO:
-----------------------------------
commit 5fa2dae429a9e37dfd1a527eb3957cea57a3e8c4
Merge: 5fb12c2 0506d17
Author: Jenkins <jenkins@review.openstack.org>
Date: Tue Jul 15 10:05:12 2014 +0000
Merge "cfgfilter has graduated, remove it"
-----------------------------------
Changes to strutils.py (newest to oldest):
-----------------------------------
cb5a804b Move `mask_password` to strutils
8a0f5678 Remove str() from LOG.* and exceptions
fd18c288 Fix safe_encode(): return bytes on Python 3
302c7c80 strutils: Allow safe_{encode,decode} to take bytes as input
bec3a5eb Implements SI/IEC unit system conversion to bytes
Changest to gettextutils.py (newest to oldest):
-----------------------------------
3d90045d Backport code for i18n to check lazy at runtime
de4adbc4 pep8: fixed multiple violations
9912e5df Add API for creating translation functions
6cc96d05 Fix test_gettextutils on Python 3
fd33d1ea Fix gettextutil.Message handling of deep copy failures
047b2e4e Change lazy translation to retain complete dict
6d55e26a Add support for translating log levels separately
Change-Id: Icc38bc97e47c8236ccb82283c246bf266bc62929
Related-Bug: 1341735
This commit is contained in:
Jay S. Bryant
parent
da4117f71c
commit
2274089dc6
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@ -0,0 +1,17 @@
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import six
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six.add_move(six.MovedModule('mox', 'mox', 'mox3.mox'))
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@ -19,7 +19,7 @@ gettext for openstack-common modules.
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Usual usage in an openstack.common module:
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from cinderclient.openstack.common.gettextutils import _
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from openstack.common.gettextutils import _
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"""
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import copy
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@ -27,18 +27,119 @@ import gettext
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import locale
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from logging import handlers
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import os
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import re
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from babel import localedata
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import six
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_localedir = os.environ.get('cinderclient'.upper() + '_LOCALEDIR')
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_t = gettext.translation('cinderclient', localedir=_localedir, fallback=True)
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_AVAILABLE_LANGUAGES = {}
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# FIXME(dhellmann): Remove this when moving to oslo.i18n.
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USE_LAZY = False
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class TranslatorFactory(object):
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"""Create translator functions
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"""
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def __init__(self, domain, localedir=None):
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"""Establish a set of translation functions for the domain.
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:param domain: Name of translation domain,
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specifying a message catalog.
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:type domain: str
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:param lazy: Delays translation until a message is emitted.
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Defaults to False.
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:type lazy: Boolean
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:param localedir: Directory with translation catalogs.
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:type localedir: str
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"""
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self.domain = domain
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if localedir is None:
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localedir = os.environ.get(domain.upper() + '_LOCALEDIR')
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self.localedir = localedir
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def _make_translation_func(self, domain=None):
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"""Return a new translation function ready for use.
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Takes into account whether or not lazy translation is being
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done.
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The domain can be specified to override the default from the
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factory, but the localedir from the factory is always used
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because we assume the log-level translation catalogs are
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installed in the same directory as the main application
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catalog.
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"""
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if domain is None:
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domain = self.domain
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t = gettext.translation(domain,
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localedir=self.localedir,
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fallback=True)
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# Use the appropriate method of the translation object based
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# on the python version.
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m = t.gettext if six.PY3 else t.ugettext
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def f(msg):
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"""oslo.i18n.gettextutils translation function."""
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if USE_LAZY:
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return Message(msg, domain=domain)
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return m(msg)
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return f
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@property
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def primary(self):
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"The default translation function."
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return self._make_translation_func()
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def _make_log_translation_func(self, level):
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return self._make_translation_func(self.domain + '-log-' + level)
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@property
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def log_info(self):
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"Translate info-level log messages."
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return self._make_log_translation_func('info')
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@property
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def log_warning(self):
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"Translate warning-level log messages."
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return self._make_log_translation_func('warning')
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@property
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def log_error(self):
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"Translate error-level log messages."
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return self._make_log_translation_func('error')
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@property
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def log_critical(self):
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"Translate critical-level log messages."
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return self._make_log_translation_func('critical')
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# NOTE(dhellmann): When this module moves out of the incubator into
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# oslo.i18n, these global variables can be moved to an integration
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# module within each application.
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# Create the global translation functions.
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_translators = TranslatorFactory('cinderclient')
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# The primary translation function using the well-known name "_"
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_ = _translators.primary
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# Translators for log levels.
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#
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# The abbreviated names are meant to reflect the usual use of a short
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# name like '_'. The "L" is for "log" and the other letter comes from
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# the level.
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_LI = _translators.log_info
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_LW = _translators.log_warning
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_LE = _translators.log_error
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_LC = _translators.log_critical
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# NOTE(dhellmann): End of globals that will move to the application's
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# integration module.
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def enable_lazy():
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"""Convenience function for configuring _() to use lazy gettext
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@ -51,16 +152,7 @@ def enable_lazy():
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USE_LAZY = True
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def _(msg):
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if USE_LAZY:
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return Message(msg, domain='cinderclient')
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else:
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if six.PY3:
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return _t.gettext(msg)
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return _t.ugettext(msg)
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def install(domain, lazy=False):
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def install(domain):
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"""Install a _() function using the given translation domain.
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Given a translation domain, install a _() function using gettext's
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@ -71,43 +163,14 @@ def install(domain, lazy=False):
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a translation-domain-specific environment variable (e.g.
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NOVA_LOCALEDIR).
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Note that to enable lazy translation, enable_lazy must be
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called.
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:param domain: the translation domain
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:param lazy: indicates whether or not to install the lazy _() function.
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The lazy _() introduces a way to do deferred translation
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of messages by installing a _ that builds Message objects,
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instead of strings, which can then be lazily translated into
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any available locale.
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"""
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if lazy:
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# NOTE(mrodden): Lazy gettext functionality.
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#
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# The following introduces a deferred way to do translations on
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# messages in OpenStack. We override the standard _() function
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# and % (format string) operation to build Message objects that can
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# later be translated when we have more information.
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def _lazy_gettext(msg):
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"""Create and return a Message object.
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Lazy gettext function for a given domain, it is a factory method
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for a project/module to get a lazy gettext function for its own
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translation domain (i.e. nova, glance, cinder, etc.)
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Message encapsulates a string so that we can translate
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it later when needed.
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"""
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return Message(msg, domain=domain)
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from six import moves
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moves.builtins.__dict__['_'] = _lazy_gettext
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else:
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localedir = '%s_LOCALEDIR' % domain.upper()
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if six.PY3:
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gettext.install(domain,
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localedir=os.environ.get(localedir))
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else:
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gettext.install(domain,
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localedir=os.environ.get(localedir),
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unicode=True)
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from six import moves
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tf = TranslatorFactory(domain)
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moves.builtins.__dict__['_'] = tf.primary
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class Message(six.text_type):
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@ -214,47 +277,22 @@ class Message(six.text_type):
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if other is None:
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params = (other,)
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elif isinstance(other, dict):
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params = self._trim_dictionary_parameters(other)
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# Merge the dictionaries
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# Copy each item in case one does not support deep copy.
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params = {}
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if isinstance(self.params, dict):
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for key, val in self.params.items():
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params[key] = self._copy_param(val)
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for key, val in other.items():
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params[key] = self._copy_param(val)
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else:
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params = self._copy_param(other)
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return params
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def _trim_dictionary_parameters(self, dict_param):
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"""Return a dict that only has matching entries in the msgid."""
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# NOTE(luisg): Here we trim down the dictionary passed as parameters
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# to avoid carrying a lot of unnecessary weight around in the message
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# object, for example if someone passes in Message() % locals() but
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# only some params are used, and additionally we prevent errors for
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# non-deepcopyable objects by unicoding() them.
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# Look for %(param) keys in msgid;
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# Skip %% and deal with the case where % is first character on the line
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keys = re.findall('(?:[^%]|^)?%\((\w*)\)[a-z]', self.msgid)
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# If we don't find any %(param) keys but have a %s
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if not keys and re.findall('(?:[^%]|^)%[a-z]', self.msgid):
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# Apparently the full dictionary is the parameter
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params = self._copy_param(dict_param)
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else:
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params = {}
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# Save our existing parameters as defaults to protect
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# ourselves from losing values if we are called through an
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# (erroneous) chain that builds a valid Message with
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# arguments, and then does something like "msg % kwds"
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# where kwds is an empty dictionary.
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src = {}
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if isinstance(self.params, dict):
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src.update(self.params)
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src.update(dict_param)
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for key in keys:
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params[key] = self._copy_param(src[key])
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return params
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def _copy_param(self, param):
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try:
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return copy.deepcopy(param)
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except TypeError:
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except Exception:
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# Fallback to casting to unicode this will handle the
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# python code-like objects that can't be deep-copied
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return six.text_type(param)
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@ -266,13 +304,14 @@ class Message(six.text_type):
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def __radd__(self, other):
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return self.__add__(other)
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def __str__(self):
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# NOTE(luisg): Logging in python 2.6 tries to str() log records,
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# and it expects specifically a UnicodeError in order to proceed.
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msg = _('Message objects do not support str() because they may '
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'contain non-ascii characters. '
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'Please use unicode() or translate() instead.')
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raise UnicodeError(msg)
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if six.PY2:
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def __str__(self):
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# NOTE(luisg): Logging in python 2.6 tries to str() log records,
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# and it expects specifically a UnicodeError in order to proceed.
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msg = _('Message objects do not support str() because they may '
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'contain non-ascii characters. '
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'Please use unicode() or translate() instead.')
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raise UnicodeError(msg)
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def get_available_languages(domain):
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@ -315,8 +354,8 @@ def get_available_languages(domain):
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'zh_Hant_HK': 'zh_HK',
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'zh_Hant': 'zh_TW',
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'fil': 'tl_PH'}
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for (locale, alias) in six.iteritems(aliases):
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if locale in language_list and alias not in language_list:
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for (locale_, alias) in six.iteritems(aliases):
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if locale_ in language_list and alias not in language_list:
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language_list.append(alias)
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_AVAILABLE_LANGUAGES[domain] = language_list
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@ -17,6 +17,7 @@
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System-level utilities and helper functions.
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"""
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import math
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import re
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import sys
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import unicodedata
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@ -26,16 +27,21 @@ import six
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from cinderclient.openstack.common.gettextutils import _
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# Used for looking up extensions of text
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# to their 'multiplied' byte amount
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BYTE_MULTIPLIERS = {
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'': 1,
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't': 1024 ** 4,
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'g': 1024 ** 3,
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'm': 1024 ** 2,
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'k': 1024,
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UNIT_PREFIX_EXPONENT = {
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'k': 1,
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'K': 1,
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'Ki': 1,
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'M': 2,
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'Mi': 2,
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'G': 3,
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'Gi': 3,
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'T': 4,
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'Ti': 4,
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}
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UNIT_SYSTEM_INFO = {
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'IEC': (1024, re.compile(r'(^[-+]?\d*\.?\d+)([KMGT]i?)?(b|bit|B)$')),
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'SI': (1000, re.compile(r'(^[-+]?\d*\.?\d+)([kMGT])?(b|bit|B)$')),
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}
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BYTE_REGEX = re.compile(r'(^-?\d+)(\D*)')
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TRUE_STRINGS = ('1', 't', 'true', 'on', 'y', 'yes')
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FALSE_STRINGS = ('0', 'f', 'false', 'off', 'n', 'no')
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@ -44,6 +50,28 @@ SLUGIFY_STRIP_RE = re.compile(r"[^\w\s-]")
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SLUGIFY_HYPHENATE_RE = re.compile(r"[-\s]+")
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# NOTE(flaper87): The following 3 globals are used by `mask_password`
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_SANITIZE_KEYS = ['adminPass', 'admin_pass', 'password', 'admin_password']
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# NOTE(ldbragst): Let's build a list of regex objects using the list of
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# _SANITIZE_KEYS we already have. This way, we only have to add the new key
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# to the list of _SANITIZE_KEYS and we can generate regular expressions
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# for XML and JSON automatically.
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_SANITIZE_PATTERNS = []
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_FORMAT_PATTERNS = [r'(%(key)s\s*[=]\s*[\"\']).*?([\"\'])',
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r'(<%(key)s>).*?(</%(key)s>)',
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r'([\"\']%(key)s[\"\']\s*:\s*[\"\']).*?([\"\'])',
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r'([\'"].*?%(key)s[\'"]\s*:\s*u?[\'"]).*?([\'"])',
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r'([\'"].*?%(key)s[\'"]\s*,\s*\'--?[A-z]+\'\s*,\s*u?[\'"])'
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'.*?([\'"])',
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r'(%(key)s\s*--?[A-z]+\s*)\S+(\s*)']
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for key in _SANITIZE_KEYS:
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for pattern in _FORMAT_PATTERNS:
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reg_ex = re.compile(pattern % {'key': key}, re.DOTALL)
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_SANITIZE_PATTERNS.append(reg_ex)
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def int_from_bool_as_string(subject):
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"""Interpret a string as a boolean and return either 1 or 0.
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|
|
@ -72,7 +100,7 @@ def bool_from_string(subject, strict=False, default=False):
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Strings yielding False are 'f', 'false', 'off', 'n', 'no', or '0'.
|
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"""
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if not isinstance(subject, six.string_types):
|
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subject = str(subject)
|
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subject = six.text_type(subject)
|
||||
|
||||
lowered = subject.strip().lower()
|
||||
|
||||
|
|
@ -92,7 +120,8 @@ def bool_from_string(subject, strict=False, default=False):
|
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|
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def safe_decode(text, incoming=None, errors='strict'):
|
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"""Decodes incoming str using `incoming` if they're not already unicode.
|
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"""Decodes incoming text/bytes string using `incoming` if they're not
|
||||
already unicode.
|
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|
||||
:param incoming: Text's current encoding
|
||||
:param errors: Errors handling policy. See here for valid
|
||||
|
|
@ -101,7 +130,7 @@ def safe_decode(text, incoming=None, errors='strict'):
|
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representation of it.
|
||||
:raises TypeError: If text is not an instance of str
|
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"""
|
||||
if not isinstance(text, six.string_types):
|
||||
if not isinstance(text, (six.string_types, six.binary_type)):
|
||||
raise TypeError("%s can't be decoded" % type(text))
|
||||
|
||||
if isinstance(text, six.text_type):
|
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|
|
@ -131,7 +160,7 @@ def safe_decode(text, incoming=None, errors='strict'):
|
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|
||||
def safe_encode(text, incoming=None,
|
||||
encoding='utf-8', errors='strict'):
|
||||
"""Encodes incoming str/unicode using `encoding`.
|
||||
"""Encodes incoming text/bytes string using `encoding`.
|
||||
|
||||
If incoming is not specified, text is expected to be encoded with
|
||||
current python's default encoding. (`sys.getdefaultencoding`)
|
||||
|
|
@ -144,7 +173,7 @@ def safe_encode(text, incoming=None,
|
|||
representation of it.
|
||||
:raises TypeError: If text is not an instance of str
|
||||
"""
|
||||
if not isinstance(text, six.string_types):
|
||||
if not isinstance(text, (six.string_types, six.binary_type)):
|
||||
raise TypeError("%s can't be encoded" % type(text))
|
||||
|
||||
if not incoming:
|
||||
|
|
@ -152,49 +181,59 @@ def safe_encode(text, incoming=None,
|
|||
sys.getdefaultencoding())
|
||||
|
||||
if isinstance(text, six.text_type):
|
||||
if six.PY3:
|
||||
return text.encode(encoding, errors).decode(incoming)
|
||||
else:
|
||||
return text.encode(encoding, errors)
|
||||
return text.encode(encoding, errors)
|
||||
elif text and encoding != incoming:
|
||||
# Decode text before encoding it with `encoding`
|
||||
text = safe_decode(text, incoming, errors)
|
||||
if six.PY3:
|
||||
return text.encode(encoding, errors).decode(incoming)
|
||||
else:
|
||||
return text.encode(encoding, errors)
|
||||
|
||||
return text
|
||||
return text.encode(encoding, errors)
|
||||
else:
|
||||
return text
|
||||
|
||||
|
||||
def to_bytes(text, default=0):
|
||||
"""Converts a string into an integer of bytes.
|
||||
def string_to_bytes(text, unit_system='IEC', return_int=False):
|
||||
"""Converts a string into an float representation of bytes.
|
||||
|
||||
Looks at the last characters of the text to determine
|
||||
what conversion is needed to turn the input text into a byte number.
|
||||
Supports "B, K(B), M(B), G(B), and T(B)". (case insensitive)
|
||||
The units supported for IEC ::
|
||||
|
||||
Kb(it), Kib(it), Mb(it), Mib(it), Gb(it), Gib(it), Tb(it), Tib(it)
|
||||
KB, KiB, MB, MiB, GB, GiB, TB, TiB
|
||||
|
||||
The units supported for SI ::
|
||||
|
||||
kb(it), Mb(it), Gb(it), Tb(it)
|
||||
kB, MB, GB, TB
|
||||
|
||||
Note that the SI unit system does not support capital letter 'K'
|
||||
|
||||
:param text: String input for bytes size conversion.
|
||||
:param default: Default return value when text is blank.
|
||||
:param unit_system: Unit system for byte size conversion.
|
||||
:param return_int: If True, returns integer representation of text
|
||||
in bytes. (default: decimal)
|
||||
:returns: Numerical representation of text in bytes.
|
||||
:raises ValueError: If text has an invalid value.
|
||||
|
||||
"""
|
||||
match = BYTE_REGEX.search(text)
|
||||
try:
|
||||
base, reg_ex = UNIT_SYSTEM_INFO[unit_system]
|
||||
except KeyError:
|
||||
msg = _('Invalid unit system: "%s"') % unit_system
|
||||
raise ValueError(msg)
|
||||
match = reg_ex.match(text)
|
||||
if match:
|
||||
magnitude = int(match.group(1))
|
||||
mult_key_org = match.group(2)
|
||||
if not mult_key_org:
|
||||
return magnitude
|
||||
elif text:
|
||||
msg = _('Invalid string format: %s') % text
|
||||
raise TypeError(msg)
|
||||
magnitude = float(match.group(1))
|
||||
unit_prefix = match.group(2)
|
||||
if match.group(3) in ['b', 'bit']:
|
||||
magnitude /= 8
|
||||
else:
|
||||
return default
|
||||
mult_key = mult_key_org.lower().replace('b', '', 1)
|
||||
multiplier = BYTE_MULTIPLIERS.get(mult_key)
|
||||
if multiplier is None:
|
||||
msg = _('Unknown byte multiplier: %s') % mult_key_org
|
||||
raise TypeError(msg)
|
||||
return magnitude * multiplier
|
||||
msg = _('Invalid string format: %s') % text
|
||||
raise ValueError(msg)
|
||||
if not unit_prefix:
|
||||
res = magnitude
|
||||
else:
|
||||
res = magnitude * pow(base, UNIT_PREFIX_EXPONENT[unit_prefix])
|
||||
if return_int:
|
||||
return int(math.ceil(res))
|
||||
return res
|
||||
|
||||
|
||||
def to_slug(value, incoming=None, errors="strict"):
|
||||
|
|
@ -220,3 +259,37 @@ def to_slug(value, incoming=None, errors="strict"):
|
|||
"ascii", "ignore").decode("ascii")
|
||||
value = SLUGIFY_STRIP_RE.sub("", value).strip().lower()
|
||||
return SLUGIFY_HYPHENATE_RE.sub("-", value)
|
||||
|
||||
|
||||
def mask_password(message, secret="***"):
|
||||
"""Replace password with 'secret' in message.
|
||||
|
||||
:param message: The string which includes security information.
|
||||
:param secret: value with which to replace passwords.
|
||||
:returns: The unicode value of message with the password fields masked.
|
||||
|
||||
For example:
|
||||
|
||||
>>> mask_password("'adminPass' : 'aaaaa'")
|
||||
"'adminPass' : '***'"
|
||||
>>> mask_password("'admin_pass' : 'aaaaa'")
|
||||
"'admin_pass' : '***'"
|
||||
>>> mask_password('"password" : "aaaaa"')
|
||||
'"password" : "***"'
|
||||
>>> mask_password("'original_password' : 'aaaaa'")
|
||||
"'original_password' : '***'"
|
||||
>>> mask_password("u'original_password' : u'aaaaa'")
|
||||
"u'original_password' : u'***'"
|
||||
"""
|
||||
message = six.text_type(message)
|
||||
|
||||
# NOTE(ldbragst): Check to see if anything in message contains any key
|
||||
# specified in _SANITIZE_KEYS, if not then just return the message since
|
||||
# we don't have to mask any passwords.
|
||||
if not any(key in message for key in _SANITIZE_KEYS):
|
||||
return message
|
||||
|
||||
secret = r'\g<1>' + secret + r'\g<2>'
|
||||
for pattern in _SANITIZE_PATTERNS:
|
||||
message = re.sub(pattern, secret, message)
|
||||
return message
|
||||
|
|
|
|||
Loading…
Reference in New Issue