Source code for yardstick.common.utils

# Copyright 2013: Mirantis Inc.
# All Rights Reserved.
#    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
#    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.

# yardstick comment: this is a modified copy of rally/rally/common/

import os
import sys
from oslo_utils import importutils

import yardstick

# Decorator for cli-args
[docs]def cliargs(*args, **kwargs): def _decorator(func): func.__dict__.setdefault('arguments', []).insert(0, (args, kwargs)) return func return _decorator
[docs]def itersubclasses(cls, _seen=None): """Generator over all subclasses of a given class in depth first order.""" if not isinstance(cls, type): raise TypeError("itersubclasses must be called with " "new-style classes, not %.100r" % cls) _seen = _seen or set() try: subs = cls.__subclasses__() except TypeError: # fails only when cls is type subs = cls.__subclasses__(cls) for sub in subs: if sub not in _seen: _seen.add(sub) yield sub for sub in itersubclasses(sub, _seen): yield sub
[docs]def try_append_module(name, modules): if name not in modules: modules[name] = importutils.import_module(name)
[docs]def import_modules_from_package(package): """Import modules from package and append into sys.modules :param: package - Full package name. For example: rally.deploy.engines """ path = [os.path.dirname(yardstick.__file__), ".."] + package.split(".") path = os.path.join(*path) for root, dirs, files in os.walk(path): for filename in files: if filename.startswith("__") or not filename.endswith(".py"): continue new_package = ".".join(root.split(os.sep)).split("....")[1] module_name = "%s.%s" % (new_package, filename[:-3]) try_append_module(module_name, sys.modules)