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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import traceback
from data_source import DataSource
from extensions_paths import EXAMPLES
from future import All, Future
from platform_util import GetPlatforms
def _GetSampleId(sample_name):
return sample_name.lower().replace(' ', '-')
def GetAcceptedLanguages(request):
if request is None:
return []
accept_language = request.headers.get('Accept-Language', None)
if accept_language is None:
return []
return [lang_with_q.split(';')[0].strip()
for lang_with_q in accept_language.split(',')]
def CreateSamplesView(samples_list, request):
return_list = []
for dict_ in samples_list:
name = dict_['name']
description = dict_['description']
if description is None:
description = ''
if name.startswith('__MSG_') or description.startswith('__MSG_'):
try:
# Copy the sample dict so we don't change the dict in the cache.
sample_data = dict_.copy()
name_key = name[len('__MSG_'):-len('__')]
description_key = description[len('__MSG_'):-len('__')]
locale = sample_data['default_locale']
for lang in GetAcceptedLanguages(request):
if lang in sample_data['locales']:
locale = lang
break
locale_data = sample_data['locales'][locale]
sample_data['name'] = locale_data[name_key]['message']
sample_data['description'] = locale_data[description_key]['message']
sample_data['id'] = _GetSampleId(sample_data['name'])
except Exception:
logging.error(traceback.format_exc())
# Revert the sample to the original dict.
sample_data = dict_
return_list.append(sample_data)
else:
dict_['id'] = _GetSampleId(name)
return_list.append(dict_)
return return_list
class SamplesDataSource(DataSource):
'''Constructs a list of samples and their respective files and api calls.
'''
def __init__(self, server_instance, request):
self._platform_bundle = server_instance.platform_bundle
self._request = request
def _GetImpl(self, platform):
cache = self._platform_bundle.GetSamplesModel(platform).GetCache()
create_view = lambda samp_list: CreateSamplesView(samp_list, self._request)
return cache.GetFromFileListing('' if platform == 'apps'
else EXAMPLES).Then(create_view)
def get(self, platform):
return self._GetImpl(platform).Get()
def Cron(self):
return All([self._GetImpl(platform) for platform in GetPlatforms()])
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