diff options
Diffstat (limited to 'openstackclient')
| -rw-r--r-- | openstackclient/openstack/common/__init__.py | 17 | ||||
| -rw-r--r-- | openstackclient/openstack/common/gettextutils.py | 232 | ||||
| -rw-r--r-- | openstackclient/openstack/common/iniparser.py | 130 | ||||
| -rw-r--r-- | openstackclient/openstack/common/strutils.py | 25 |
4 files changed, 155 insertions, 249 deletions
diff --git a/openstackclient/openstack/common/__init__.py b/openstackclient/openstack/common/__init__.py index e69de29b..d1223eaf 100644 --- a/openstackclient/openstack/common/__init__.py +++ b/openstackclient/openstack/common/__init__.py @@ -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')) diff --git a/openstackclient/openstack/common/gettextutils.py b/openstackclient/openstack/common/gettextutils.py index 2b158548..6f573a7f 100644 --- a/openstackclient/openstack/common/gettextutils.py +++ b/openstackclient/openstack/common/gettextutils.py @@ -28,70 +28,135 @@ import gettext import locale from logging import handlers import os -import re from babel import localedata import six -_localedir = os.environ.get('openstackclient'.upper() + '_LOCALEDIR') -_t = gettext.translation('openstackclient', 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('openstackclient' + '-log-' + level, - localedir=_localedir, - fallback=True)) - for level in ['info', 'warning', 'error', 'critical'] -) - _AVAILABLE_LANGUAGES = {} + +# FIXME(dhellmann): Remove this when moving to oslo.i18n. 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. +class TranslatorFactory(object): + """Create translator functions """ - global USE_LAZY - USE_LAZY = True + def __init__(self, domain, lazy=False, localedir=None): + """Establish a set of translation functions for the domain. + + :param domain: Name of translation domain, + specifying a message catalog. + :type domain: str + :param lazy: Delays translation until a message is emitted. + Defaults to False. + :type lazy: Boolean + :param localedir: Directory with translation catalogs. + :type localedir: str + """ + self.domain = domain + self.lazy = lazy + if localedir is None: + localedir = os.environ.get(domain.upper() + '_LOCALEDIR') + self.localedir = localedir -def _(msg): - if USE_LAZY: - return Message(msg, domain='openstackclient') - else: - if six.PY3: - return _t.gettext(msg) - return _t.ugettext(msg) + def _make_translation_func(self, domain=None): + """Return a new translation function ready for use. + Takes into account whether or not lazy translation is being + done. -def _log_translation(msg, level): - """Build a single translation of a log message - """ - if USE_LAZY: - return Message(msg, domain='openstackclient' + '-log-' + level) - else: - translator = _t_log_levels[level] + The domain can be specified to override the default from the + factory, but the localedir from the factory is always used + because we assume the log-level translation catalogs are + installed in the same directory as the main application + catalog. + + """ + if domain is None: + domain = self.domain + if self.lazy: + return functools.partial(Message, domain=domain) + t = gettext.translation( + domain, + localedir=self.localedir, + fallback=True, + ) if six.PY3: - return translator.gettext(msg) - return translator.ugettext(msg) + return t.gettext + return t.ugettext + + @property + def primary(self): + "The default translation function." + return self._make_translation_func() + + def _make_log_translation_func(self, level): + return self._make_translation_func(self.domain + '-log-' + level) + + @property + def log_info(self): + "Translate info-level log messages." + return self._make_log_translation_func('info') + + @property + def log_warning(self): + "Translate warning-level log messages." + return self._make_log_translation_func('warning') + + @property + def log_error(self): + "Translate error-level log messages." + return self._make_log_translation_func('error') + + @property + def log_critical(self): + "Translate critical-level log messages." + return self._make_log_translation_func('critical') + + +# NOTE(dhellmann): When this module moves out of the incubator into +# oslo.i18n, these global variables can be moved to an integration +# module within each application. + +# Create the global translation functions. +_translators = TranslatorFactory('openstackclient') + +# The primary translation function using the well-known name "_" +_ = _translators.primary # 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') +_LI = _translators.log_info +_LW = _translators.log_warning +_LE = _translators.log_error +_LC = _translators.log_critical + +# NOTE(dhellmann): End of globals that will move to the application's +# integration module. + + +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. + """ + # FIXME(dhellmann): This function will be removed in oslo.i18n, + # because the TranslatorFactory makes it superfluous. + global _, _LI, _LW, _LE, _LC, USE_LAZY + tf = TranslatorFactory('openstackclient', lazy=True) + _ = tf.primary + _LI = tf.log_info + _LW = tf.log_warning + _LE = tf.log_error + _LC = tf.log_critical + USE_LAZY = True def install(domain, lazy=False): @@ -113,26 +178,9 @@ def install(domain, lazy=False): any available locale. """ 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 + tf = TranslatorFactory(domain, lazy=True) + moves.builtins.__dict__['_'] = tf.primary else: localedir = '%s_LOCALEDIR' % domain.upper() if six.PY3: @@ -248,47 +296,22 @@ class Message(six.text_type): if other is None: params = (other,) elif isinstance(other, dict): - params = self._trim_dictionary_parameters(other) - else: - params = self._copy_param(other) - return params - - def _trim_dictionary_parameters(self, dict_param): - """Return a dict that only has matching entries in the msgid.""" - # NOTE(luisg): Here we trim down the dictionary passed as parameters - # to avoid carrying a lot of unnecessary weight around in the message - # object, for example if someone passes in Message() % locals() but - # only some params are used, and additionally we prevent errors for - # non-deepcopyable objects by unicoding() them. - - # Look for %(param) keys in msgid; - # Skip %% and deal with the case where % is first character on the line - keys = re.findall('(?:[^%]|^)?%\((\w*)\)[a-z]', self.msgid) - - # If we don't find any %(param) keys but have a %s - if not keys and re.findall('(?:[^%]|^)%[a-z]', self.msgid): - # Apparently the full dictionary is the parameter - params = self._copy_param(dict_param) - else: + # Merge the dictionaries + # Copy each item in case one does not support deep copy. params = {} - # Save our existing parameters as defaults to protect - # ourselves from losing values if we are called through an - # (erroneous) chain that builds a valid Message with - # arguments, and then does something like "msg % kwds" - # where kwds is an empty dictionary. - src = {} if isinstance(self.params, dict): - src.update(self.params) - src.update(dict_param) - for key in keys: - params[key] = self._copy_param(src[key]) - + 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 TypeError: + 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) @@ -300,13 +323,14 @@ class Message(six.text_type): 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) + if six.PY2: + 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): diff --git a/openstackclient/openstack/common/iniparser.py b/openstackclient/openstack/common/iniparser.py deleted file mode 100644 index 9bf399f0..00000000 --- a/openstackclient/openstack/common/iniparser.py +++ /dev/null @@ -1,130 +0,0 @@ -# vim: tabstop=4 shiftwidth=4 softtabstop=4 - -# Copyright 2012 OpenStack LLC. -# -# 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. - - -class ParseError(Exception): - def __init__(self, message, lineno, line): - self.msg = message - self.line = line - self.lineno = lineno - - def __str__(self): - return 'at line %d, %s: %r' % (self.lineno, self.msg, self.line) - - -class BaseParser(object): - lineno = 0 - parse_exc = ParseError - - def _assignment(self, key, value): - self.assignment(key, value) - return None, [] - - def _get_section(self, line): - if line[-1] != ']': - return self.error_no_section_end_bracket(line) - if len(line) <= 2: - return self.error_no_section_name(line) - - return line[1:-1] - - def _split_key_value(self, line): - colon = line.find(':') - equal = line.find('=') - if colon < 0 and equal < 0: - return self.error_invalid_assignment(line) - - if colon < 0 or (equal >= 0 and equal < colon): - key, value = line[:equal], line[equal + 1:] - else: - key, value = line[:colon], line[colon + 1:] - - value = value.strip() - if ((value and value[0] == value[-1]) and - (value[0] == "\"" or value[0] == "'")): - value = value[1:-1] - return key.strip(), [value] - - def parse(self, lineiter): - key = None - value = [] - - for line in lineiter: - self.lineno += 1 - - line = line.rstrip() - if not line: - # Blank line, ends multi-line values - if key: - key, value = self._assignment(key, value) - continue - elif line[0] in (' ', '\t'): - # Continuation of previous assignment - if key is None: - self.error_unexpected_continuation(line) - else: - value.append(line.lstrip()) - continue - - if key: - # Flush previous assignment, if any - key, value = self._assignment(key, value) - - if line[0] == '[': - # Section start - section = self._get_section(line) - if section: - self.new_section(section) - elif line[0] in '#;': - self.comment(line[1:].lstrip()) - else: - key, value = self._split_key_value(line) - if not key: - return self.error_empty_key(line) - - if key: - # Flush previous assignment, if any - self._assignment(key, value) - - def assignment(self, key, value): - """Called when a full assignment is parsed""" - raise NotImplementedError() - - def new_section(self, section): - """Called when a new section is started""" - raise NotImplementedError() - - def comment(self, comment): - """Called when a comment is parsed""" - pass - - def error_invalid_assignment(self, line): - raise self.parse_exc("No ':' or '=' found in assignment", - self.lineno, line) - - def error_empty_key(self, line): - raise self.parse_exc('Key cannot be empty', self.lineno, line) - - def error_unexpected_continuation(self, line): - raise self.parse_exc('Unexpected continuation line', - self.lineno, line) - - def error_no_section_end_bracket(self, line): - raise self.parse_exc('Invalid section (must end with ])', - self.lineno, line) - - def error_no_section_name(self, line): - raise self.parse_exc('Empty section name', self.lineno, line) diff --git a/openstackclient/openstack/common/strutils.py b/openstackclient/openstack/common/strutils.py index 33fca54b..9d70264f 100644 --- a/openstackclient/openstack/common/strutils.py +++ b/openstackclient/openstack/common/strutils.py @@ -78,7 +78,7 @@ def bool_from_string(subject, strict=False, default=False): Strings yielding False are 'f', 'false', 'off', 'n', 'no', or '0'. """ if not isinstance(subject, six.string_types): - subject = str(subject) + subject = six.text_type(subject) lowered = subject.strip().lower() @@ -98,7 +98,8 @@ def bool_from_string(subject, strict=False, default=False): def safe_decode(text, incoming=None, errors='strict'): - """Decodes incoming str using `incoming` if they're not already unicode. + """Decodes incoming text/bytes string using `incoming` if they're not + already unicode. :param incoming: Text's current encoding :param errors: Errors handling policy. See here for valid @@ -107,7 +108,7 @@ def safe_decode(text, incoming=None, errors='strict'): 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 decoded" % type(text)) if isinstance(text, six.text_type): @@ -137,7 +138,7 @@ def safe_decode(text, incoming=None, errors='strict'): 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`) @@ -150,7 +151,7 @@ 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: @@ -158,19 +159,13 @@ 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 string_to_bytes(text, unit_system='IEC', return_int=False): |