Remove unnecessary oslo incubator bits
Remove the following from our sync'ed oslo incubator section: * openstack/common/config/* Since we are now using oslo.config. Also remove the following: * openstack/common/gettextutils.py * openstack/common/importutils.py Since only config/generator was using it. Also, tweaking keystone/i18n.py since it made reference to gettextutils.py. Removing the no longer sync'ed parts from openstack-common.conf Change-Id: Idc62fa1093251f5719868c1fffd82810eb87fc08
This commit is contained in:
Steve Martinelli
parent
083d1cd522
commit
1ecc6692d2
@ -35,24 +35,3 @@ _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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# Parts in oslo-incubator are still using gettextutils._(), _LI(), etc., from
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# oslo-incubator. Until these parts are changed to use oslo.i18n, Keystone
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# needs to do something to allow them to work. One option is to continue to
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# initialize gettextutils, but with the way that Keystone has initialization
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# spread out over keystone-all, httpd/keystone.py, and keystone.tests, we'll
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# monkey-patch gettextutils._(), _LI(), etc., to use our oslo.i18n versions.
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# FIXME(blk-u): Remove the monkey-patching and update openstack-common.conf and
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# do a sync with oslo-incubator to remove gettextutils once oslo-incubator
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# isn't using oslo-incubator gettextutils any more.
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from keystone.openstack.common import gettextutils
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gettextutils._ = _
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gettextutils._LI = _LI
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gettextutils._LW = _LW
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gettextutils._LE = _LE
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gettextutils._LC = _LC
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@ -1,313 +0,0 @@
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# Copyright 2012 SINA Corporation
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# Copyright 2014 Cisco Systems, Inc.
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# All Rights Reserved.
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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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#
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"""Extracts OpenStack config option info from module(s)."""
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from __future__ import print_function
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import argparse
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import imp
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import os
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import re
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import socket
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import sys
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import textwrap
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from oslo.config import cfg
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import six
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import stevedore.named
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from keystone.openstack.common import gettextutils
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from keystone.openstack.common import importutils
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gettextutils.install('keystone')
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STROPT = "StrOpt"
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BOOLOPT = "BoolOpt"
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INTOPT = "IntOpt"
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FLOATOPT = "FloatOpt"
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LISTOPT = "ListOpt"
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DICTOPT = "DictOpt"
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MULTISTROPT = "MultiStrOpt"
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OPT_TYPES = {
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STROPT: 'string value',
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BOOLOPT: 'boolean value',
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INTOPT: 'integer value',
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FLOATOPT: 'floating point value',
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LISTOPT: 'list value',
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DICTOPT: 'dict value',
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MULTISTROPT: 'multi valued',
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}
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OPTION_REGEX = re.compile(r"(%s)" % "|".join([STROPT, BOOLOPT, INTOPT,
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FLOATOPT, LISTOPT, DICTOPT,
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MULTISTROPT]))
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PY_EXT = ".py"
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BASEDIR = os.path.abspath(os.path.join(os.path.dirname(__file__),
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"../../../../"))
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WORDWRAP_WIDTH = 60
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def raise_extension_exception(extmanager, ep, err):
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raise
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def generate(argv):
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parser = argparse.ArgumentParser(
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description='generate sample configuration file',
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)
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parser.add_argument('-m', dest='modules', action='append')
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parser.add_argument('-l', dest='libraries', action='append')
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parser.add_argument('srcfiles', nargs='*')
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parsed_args = parser.parse_args(argv)
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mods_by_pkg = dict()
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for filepath in parsed_args.srcfiles:
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pkg_name = filepath.split(os.sep)[1]
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mod_str = '.'.join(['.'.join(filepath.split(os.sep)[:-1]),
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os.path.basename(filepath).split('.')[0]])
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mods_by_pkg.setdefault(pkg_name, list()).append(mod_str)
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# NOTE(lzyeval): place top level modules before packages
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pkg_names = sorted(pkg for pkg in mods_by_pkg if pkg.endswith(PY_EXT))
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ext_names = sorted(pkg for pkg in mods_by_pkg if pkg not in pkg_names)
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pkg_names.extend(ext_names)
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# opts_by_group is a mapping of group name to an options list
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# The options list is a list of (module, options) tuples
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opts_by_group = {'DEFAULT': []}
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if parsed_args.modules:
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for module_name in parsed_args.modules:
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module = _import_module(module_name)
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if module:
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for group, opts in _list_opts(module):
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opts_by_group.setdefault(group, []).append((module_name,
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opts))
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# Look for entry points defined in libraries (or applications) for
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# option discovery, and include their return values in the output.
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#
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# Each entry point should be a function returning an iterable
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# of pairs with the group name (or None for the default group)
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# and the list of Opt instances for that group.
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if parsed_args.libraries:
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loader = stevedore.named.NamedExtensionManager(
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'oslo.config.opts',
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names=list(set(parsed_args.libraries)),
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invoke_on_load=False,
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on_load_failure_callback=raise_extension_exception
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)
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for ext in loader:
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for group, opts in ext.plugin():
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opt_list = opts_by_group.setdefault(group or 'DEFAULT', [])
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opt_list.append((ext.name, opts))
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for pkg_name in pkg_names:
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mods = mods_by_pkg.get(pkg_name)
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mods.sort()
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for mod_str in mods:
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if mod_str.endswith('.__init__'):
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mod_str = mod_str[:mod_str.rfind(".")]
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mod_obj = _import_module(mod_str)
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if not mod_obj:
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raise RuntimeError("Unable to import module %s" % mod_str)
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for group, opts in _list_opts(mod_obj):
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opts_by_group.setdefault(group, []).append((mod_str, opts))
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print_group_opts('DEFAULT', opts_by_group.pop('DEFAULT', []))
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for group in sorted(opts_by_group.keys()):
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print_group_opts(group, opts_by_group[group])
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def _import_module(mod_str):
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try:
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if mod_str.startswith('bin.'):
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imp.load_source(mod_str[4:], os.path.join('bin', mod_str[4:]))
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return sys.modules[mod_str[4:]]
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else:
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return importutils.import_module(mod_str)
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except Exception as e:
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sys.stderr.write("Error importing module %s: %s\n" % (mod_str, str(e)))
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return None
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def _is_in_group(opt, group):
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"""Check if opt is in group."""
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for value in group._opts.values():
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# NOTE(llu): Temporary workaround for bug #1262148, wait until
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# newly released oslo.config support '==' operator.
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if not(value['opt'] != opt):
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return True
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return False
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def _guess_groups(opt):
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# is it in the DEFAULT group?
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if _is_in_group(opt, cfg.CONF):
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return 'DEFAULT'
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# what other groups is it in?
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for value in cfg.CONF.values():
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if isinstance(value, cfg.CONF.GroupAttr):
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if _is_in_group(opt, value._group):
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return value._group.name
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raise RuntimeError(
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"Unable to find group for option %s, "
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"maybe it's defined twice in the same group?"
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% opt.name
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)
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def _list_opts(obj):
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def is_opt(o):
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return (isinstance(o, cfg.Opt) and
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not isinstance(o, cfg.SubCommandOpt))
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opts = list()
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for attr_str in dir(obj):
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attr_obj = getattr(obj, attr_str)
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if is_opt(attr_obj):
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opts.append(attr_obj)
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elif (isinstance(attr_obj, list) and
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all(map(lambda x: is_opt(x), attr_obj))):
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opts.extend(attr_obj)
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ret = {}
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for opt in opts:
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ret.setdefault(_guess_groups(opt), []).append(opt)
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return ret.items()
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def print_group_opts(group, opts_by_module):
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print("[%s]" % group)
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print('')
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for mod, opts in opts_by_module:
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print('#')
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print('# Options defined in %s' % mod)
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print('#')
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print('')
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for opt in opts:
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_print_opt(opt)
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print('')
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def _get_my_ip():
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try:
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csock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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csock.connect(('8.8.8.8', 80))
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(addr, port) = csock.getsockname()
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csock.close()
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return addr
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except socket.error:
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return None
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def _sanitize_default(name, value):
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"""Set up a reasonably sensible default for pybasedir, my_ip and host."""
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hostname = socket.gethostname()
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fqdn = socket.getfqdn()
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if value.startswith(sys.prefix):
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# NOTE(jd) Don't use os.path.join, because it is likely to think the
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# second part is an absolute pathname and therefore drop the first
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# part.
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value = os.path.normpath("/usr/" + value[len(sys.prefix):])
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elif value.startswith(BASEDIR):
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return value.replace(BASEDIR, '/usr/lib/python/site-packages')
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elif BASEDIR in value:
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return value.replace(BASEDIR, '')
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elif value == _get_my_ip():
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return '10.0.0.1'
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elif value in (hostname, fqdn):
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if 'host' in name:
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return 'keystone'
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elif value.endswith(hostname):
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return value.replace(hostname, 'keystone')
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elif value.endswith(fqdn):
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return value.replace(fqdn, 'keystone')
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elif value.strip() != value:
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return '"%s"' % value
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return value
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def _print_opt(opt):
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opt_name, opt_default, opt_help = opt.dest, opt.default, opt.help
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if not opt_help:
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sys.stderr.write('WARNING: "%s" is missing help string.\n' % opt_name)
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opt_help = ""
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try:
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opt_type = OPTION_REGEX.search(str(type(opt))).group(0)
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except (ValueError, AttributeError) as err:
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sys.stderr.write("%s\n" % str(err))
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sys.exit(1)
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opt_help = u'%s (%s)' % (opt_help,
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OPT_TYPES[opt_type])
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print('#', "\n# ".join(textwrap.wrap(opt_help, WORDWRAP_WIDTH)))
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if opt.deprecated_opts:
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for deprecated_opt in opt.deprecated_opts:
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if deprecated_opt.name:
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deprecated_group = (deprecated_opt.group if
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deprecated_opt.group else "DEFAULT")
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print('# Deprecated group/name - [%s]/%s' %
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(deprecated_group,
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deprecated_opt.name))
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try:
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if opt_default is None:
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print('#%s=<None>' % opt_name)
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elif opt_type == STROPT:
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assert(isinstance(opt_default, six.string_types))
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print('#%s=%s' % (opt_name, _sanitize_default(opt_name,
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opt_default)))
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elif opt_type == BOOLOPT:
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assert(isinstance(opt_default, bool))
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print('#%s=%s' % (opt_name, str(opt_default).lower()))
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elif opt_type == INTOPT:
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assert(isinstance(opt_default, int) and
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not isinstance(opt_default, bool))
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print('#%s=%s' % (opt_name, opt_default))
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elif opt_type == FLOATOPT:
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assert(isinstance(opt_default, float))
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print('#%s=%s' % (opt_name, opt_default))
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elif opt_type == LISTOPT:
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assert(isinstance(opt_default, list))
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print('#%s=%s' % (opt_name, ','.join(opt_default)))
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elif opt_type == DICTOPT:
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assert(isinstance(opt_default, dict))
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opt_default_strlist = [str(key) + ':' + str(value)
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for (key, value) in opt_default.items()]
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print('#%s=%s' % (opt_name, ','.join(opt_default_strlist)))
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elif opt_type == MULTISTROPT:
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assert(isinstance(opt_default, list))
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if not opt_default:
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opt_default = ['']
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for default in opt_default:
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print('#%s=%s' % (opt_name, default))
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print('')
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except Exception:
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sys.stderr.write('Error in option "%s"\n' % opt_name)
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sys.exit(1)
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def main():
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generate(sys.argv[1:])
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if __name__ == '__main__':
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main()
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@ -1,479 +0,0 @@
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# Copyright 2012 Red Hat, Inc.
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# Copyright 2013 IBM Corp.
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# All Rights Reserved.
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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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"""
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gettext for openstack-common modules.
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Usual usage in an openstack.common module:
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from keystone.openstack.common.gettextutils import _
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"""
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import copy
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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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from babel import localedata
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import six
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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('keystone')
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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.
|
||||
_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.
|
||||
"""
|
||||
global USE_LAZY
|
||||
USE_LAZY = True
|
||||
|
||||
|
||||
def install(domain):
|
||||
"""Install a _() function using the given translation domain.
|
||||
|
||||
Given a translation domain, install a _() function using gettext's
|
||||
install() function.
|
||||
|
||||
The main difference from gettext.install() is that we allow
|
||||
overriding the default localedir (e.g. /usr/share/locale) using
|
||||
a translation-domain-specific environment variable (e.g.
|
||||
NOVA_LOCALEDIR).
|
||||
|
||||
Note that to enable lazy translation, enable_lazy must be
|
||||
called.
|
||||
|
||||
:param domain: the translation domain
|
||||
"""
|
||||
from six import moves
|
||||
tf = TranslatorFactory(domain)
|
||||
moves.builtins.__dict__['_'] = tf.primary
|
||||
|
||||
|
||||
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='keystone', *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)
|
||||
|
||||
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):
|
||||
"""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)
|
||||
@ -1,73 +0,0 @@
|
||||
# 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.
|
||||
|
||||
"""
|
||||
Import related utilities and helper functions.
|
||||
"""
|
||||
|
||||
import sys
|
||||
import traceback
|
||||
|
||||
|
||||
def import_class(import_str):
|
||||
"""Returns a class from a string including module and class."""
|
||||
mod_str, _sep, class_str = import_str.rpartition('.')
|
||||
__import__(mod_str)
|
||||
try:
|
||||
return getattr(sys.modules[mod_str], class_str)
|
||||
except AttributeError:
|
||||
raise ImportError('Class %s cannot be found (%s)' %
|
||||
(class_str,
|
||||
traceback.format_exception(*sys.exc_info())))
|
||||
|
||||
|
||||
def import_object(import_str, *args, **kwargs):
|
||||
"""Import a class and return an instance of it."""
|
||||
return import_class(import_str)(*args, **kwargs)
|
||||
|
||||
|
||||
def import_object_ns(name_space, import_str, *args, **kwargs):
|
||||
"""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.
|
||||
"""
|
||||
import_value = "%s.%s" % (name_space, import_str)
|
||||
try:
|
||||
return import_class(import_value)(*args, **kwargs)
|
||||
except ImportError:
|
||||
return import_class(import_str)(*args, **kwargs)
|
||||
|
||||
|
||||
def import_module(import_str):
|
||||
"""Import a module."""
|
||||
__import__(import_str)
|
||||
return sys.modules[import_str]
|
||||
|
||||
|
||||
def import_versioned_module(version, submodule=None):
|
||||
module = 'keystone.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:
|
||||
return import_module(import_str)
|
||||
except ImportError:
|
||||
return default
|
||||
@ -1,8 +1,6 @@
|
||||
[DEFAULT]
|
||||
|
||||
module=config
|
||||
module=fileutils
|
||||
module=gettextutils
|
||||
module=log
|
||||
module=policy
|
||||
module=service
|
||||
|
||||
Loading…
Reference in New Issue
Block a user