Source code for wlauto.commands.list
# Copyright 2014-2015 ARM Limited
#
# 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 wlauto import ExtensionLoader, Command, settings
from wlauto.utils.formatter import DescriptionListFormatter
from wlauto.utils.doc import get_summary
[docs]class ListCommand(Command):
name = 'list'
description = 'List available WA extensions with a short description of each.'
def initialize(self, context):
extension_types = ['{}s'.format(ext.name) for ext in settings.extensions]
self.parser.add_argument('kind', metavar='KIND',
help=('Specify the kind of extension to list. Must be '
'one of: {}'.format(', '.join(extension_types))),
choices=extension_types)
self.parser.add_argument('-n', '--name', help='Filter results by the name specified')
self.parser.add_argument('-o', '--packaged-only', action='store_true',
help='''
Only list extensions packaged with WA itself. Do not list extensions
installed locally or from other packages.
''')
self.parser.add_argument('-p', '--platform', help='Only list results that are supported by '
'the specified platform')
[docs] def execute(self, args):
filters = {}
if args.name:
filters['name'] = args.name
if args.packaged_only:
ext_loader = ExtensionLoader()
else:
ext_loader = ExtensionLoader(packages=settings.extension_packages,
paths=settings.extension_paths)
results = ext_loader.list_extensions(args.kind[:-1])
if filters or args.platform:
filtered_results = []
for result in results:
passed = True
for k, v in filters.iteritems():
if getattr(result, k) != v:
passed = False
break
if passed and args.platform:
passed = check_platform(result, args.platform)
if passed:
filtered_results.append(result)
else: # no filters specified
filtered_results = results
if filtered_results:
output = DescriptionListFormatter()
for result in sorted(filtered_results, key=lambda x: x.name):
output.add_item(get_summary(result), result.name)
print output.format_data()