WA3 Exsisting Code

wa/framework/entrypoint.py

@@ -0,0 +1,83 @@
+#    Copyright 2013-2015 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.
+#
+import os
+import sys
+import argparse
+import logging
+import subprocess
+
+from wa.framework import pluginloader, log
+from wa.framework.configuration import settings
+from wa.framework.exception import WAError
+from wa.utils.doc import format_body
+from wa.utils.misc import init_argument_parser
+
+
+import warnings
+warnings.filterwarnings(action='ignore', category=UserWarning, module='zope')
+
+
+logger = logging.getLogger('wa')
+
+
+def init_settings():
+    settings.load_environment()
+    if not os.path.isdir(settings.user_directory):
+        settings.initialize_user_directory()
+    settings.load_user_config()
+
+
+def get_argument_parser():
+    description = ("Execute automated workloads on a remote device and process "
+                    "the resulting output.\n\nUse \"wa <subcommand> -h\" to see "
+                    "help for individual subcommands.")
+    parser = argparse.ArgumentParser(description=format_body(description, 80),
+                                        prog='wa',
+                                        formatter_class=argparse.RawDescriptionHelpFormatter,
+                                        )
+    init_argument_parser(parser)
+    return parser
+
+
+def load_commands(subparsers):
+    commands = {}
+    for command in pluginloader.list_commands():
+        commands[command.name] = pluginloader.get_command(command.name, subparsers=subparsers)
+    return commands
+
+
+def main():
+    try:
+        log.init()
+        init_settings()
+        parser = get_argument_parser()
+        commands = load_commands(parser.add_subparsers(dest='command'))  # each command will add its own subparser
+        args = parser.parse_args()
+        settings.set('verbosity', args.verbose)
+        if args.config:
+            settings.load_config_file(args.config)
+        log.set_level(settings.verbosity)
+        command = commands[args.command]
+        sys.exit(command.execute(args))
+    except KeyboardInterrupt:
+        logging.info('Got CTRL-C. Aborting.')
+        sys.exit(1)
+    except Exception as e:  # pylint: disable=broad-except
+        log_error(e, logger, critical=True)
+        if isinstance(e, WAError):
+            sys.exit(2)
+        else:
+            sys.exit(3)
+