horizon/openstack_dashboard/dashboards/settings/user/forms.py
Akihiro Motoki 2f1e1899d3 Define default settings explicitly (openstack_dashboard 5/5)
This commit mainly covers settings in the remaining files
under openstack_dashboard.

Note that HORIZON_CONFIG, horizon and openstack_auth are not covered.
They will be covered by follow-up patches.

Part of blueprint ini-based-configuration
Change-Id: Ibd70e030445a073d9a62da9867850f4893135a89
2019-07-08 18:20:32 +09:00

125 lines
4.7 KiB
Python

# Copyright 2012 Nebula, Inc.
#
# 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.
from datetime import datetime
import string
import babel
import babel.dates
from django.conf import settings
from django import shortcuts
from django.utils import encoding
from django.utils import translation
from django.utils.translation import ugettext_lazy as _
import pytz
from horizon import forms
from horizon import messages
from horizon.utils import functions
class UserSettingsForm(forms.SelfHandlingForm):
max_value = settings.API_RESULT_LIMIT
language = forms.ChoiceField(label=_("Language"))
timezone = forms.ChoiceField(label=_("Timezone"))
pagesize = forms.IntegerField(label=_("Items Per Page"),
min_value=1,
max_value=max_value)
instance_log_length = forms.IntegerField(
label=_("Log Lines Per Instance"), min_value=1,
help_text=_("Number of log lines to be shown per instance"))
@staticmethod
def _sorted_zones():
d = datetime(datetime.today().year, 1, 1)
zones = [(tz, pytz.timezone(tz).localize(d).strftime('%z'))
for tz in pytz.common_timezones]
zones.sort(key=lambda zone: int(zone[1]))
return zones
def __init__(self, *args, **kwargs):
super(UserSettingsForm, self).__init__(*args, **kwargs)
# Languages
def get_language_display_name(code, desc):
try:
desc = translation.get_language_info(code)['name_local']
desc = string.capwords(desc)
except KeyError:
# If a language is not defined in django.conf.locale.LANG_INFO
# get_language_info raises KeyError
pass
return "%s (%s)" % (desc, code)
languages = [(k, get_language_display_name(k, v))
for k, v in settings.LANGUAGES]
self.fields['language'].choices = languages
# Timezones
timezones = []
language = translation.get_language()
current_locale = translation.to_locale(language)
babel_locale = babel.Locale.parse(current_locale)
for tz, offset in self._sorted_zones():
try:
utc_offset = _("UTC %(hour)s:%(min)s") % {"hour": offset[:3],
"min": offset[3:]}
except Exception:
utc_offset = ""
if tz == "UTC":
tz_name = _("UTC")
elif tz == "GMT":
tz_name = _("GMT")
else:
tz_label = babel.dates.get_timezone_location(
tz, locale=babel_locale)
# Translators: UTC offset and timezone label
tz_name = _("%(offset)s: %(label)s") % {"offset": utc_offset,
"label": tz_label}
timezones.append((tz, tz_name))
self.fields['timezone'].choices = timezones
# When we define a help_text using any variable together with
# form field, traslation does not work well.
# To avoid this, we define here. (#1563021)
self.fields['pagesize'].help_text = (
_("Number of items to show per page (applies to the pages "
"that have API supported pagination, Max Value: %s)")
% self.max_value)
def handle(self, request, data):
response = shortcuts.redirect(request.build_absolute_uri())
lang_code = data['language']
response = functions.save_config_value(
request, response, settings.LANGUAGE_COOKIE_NAME, lang_code)
response = functions.save_config_value(
request, response, 'django_timezone',
pytz.timezone(data['timezone']).zone)
response = functions.save_config_value(
request, response, 'API_RESULT_PAGE_SIZE', data['pagesize'])
response = functions.save_config_value(
request, response, 'INSTANCE_LOG_LENGTH',
data['instance_log_length'])
with translation.override(lang_code):
messages.success(request,
encoding.force_text(_("Settings saved.")))
return response