summaryrefslogtreecommitdiffstats
path: root/utils/dispatcher/func.py
diff options
context:
space:
mode:
Diffstat (limited to 'utils/dispatcher/func.py')
-rw-r--r--utils/dispatcher/func.py70
1 files changed, 70 insertions, 0 deletions
diff --git a/utils/dispatcher/func.py b/utils/dispatcher/func.py
new file mode 100644
index 00000000..71830bf2
--- /dev/null
+++ b/utils/dispatcher/func.py
@@ -0,0 +1,70 @@
+#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
+#
+# 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.
+
+# bottlenecks comment: this is a modified copy of rally/rally/common/utils.py
+
+import os
+import sys
+from oslo_utils import importutils
+
+import utils
+
+
+# Decorator for cli-args
+def cliargs(*args, **kwargs):
+ def _decorator(func):
+ func.__dict__.setdefault('arguments', []).insert(0, (args, kwargs))
+ return func
+ return _decorator
+
+
+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
+
+
+def try_append_module(name, modules):
+ if name not in modules:
+ modules[name] = importutils.import_module(name)
+
+
+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(utils.__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)