129 lines
3.5 KiB
Python
129 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 Mirantis, Inc.
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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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import argparse
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import logging
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import six
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import sys
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from fuel_plugin_builder import actions
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from fuel_plugin_builder import errors
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from fuel_plugin_builder import messages
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from fuel_plugin_builder.validators import ValidatorManager
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from fuel_plugin_builder.logger import configure_logger
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logger = logging.getLogger(__name__)
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def print_err(line):
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sys.stderr.write(six.text_type(line))
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sys.stderr.write('\n')
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def handle_exception(exc):
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logger.exception(exc)
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if isinstance(exc, errors.FuelCannotFindCommandError):
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print_err(messages.HEADER)
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print_err(messages.INSTALL_REQUIRED_PACKAGES)
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elif isinstance(exc, errors.ValidationError):
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print_err('Validation failed')
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print_err(exc)
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else:
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print_err('Unexpected error')
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print_err(exc)
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sys.exit(-1)
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def decode_string(string):
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"""Custom type for add_argument method
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"""
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return unicode(string, 'utf-8')
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def parse_args():
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"""Parse arguments and return them
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"""
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parser = argparse.ArgumentParser(
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description='fpb is a fuel plugin builder which '
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'helps you create plugin for Fuel')
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# TODO(vsharshov): we should move to subcommands instead of
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# exclusive group, because in this case we could not
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# support such behavior [-a xxx | [-b yyy -c zzz]]
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group = parser.add_mutually_exclusive_group(required=True)
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group.add_argument(
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'--create', help='create a plugin skeleton',
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type=decode_string, metavar='plugin_name')
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group.add_argument(
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'--build', help='build a plugin',
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type=decode_string, metavar='path_to_directory')
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group.add_argument(
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'--check', help='check that plugin is valid',
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type=decode_string, metavar='path_to_directory')
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parser.add_argument(
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'--debug', help='enable debug mode',
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action="store_true")
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parser.add_argument(
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'--package-version', help='which package version to use',
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type=decode_string)
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result = parser.parse_args()
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package_version_check(result, parser)
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return result
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def perform_action(args):
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"""Performs an action
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:param args: argparse object
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"""
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if args.create:
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actions.CreatePlugin(args.create, args.package_version).run()
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print('Plugin is created')
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elif args.build:
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actions.make_builder(args.build).run()
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print('Plugin is built')
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elif args.check:
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ValidatorManager(args.check).get_validator().validate()
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print('Plugin is valid')
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def package_version_check(args, parser):
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"""Check exclusive nature of --package-version argument
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"""
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if (args.build or args.check) and args.package_version:
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parser.error('--package-version works only with --create')
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def main():
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"""Entry point
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"""
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try:
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args = parse_args()
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configure_logger(debug=args.debug)
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perform_action(args)
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except Exception as exc:
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handle_exception(exc)
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