73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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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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from builder import Builder
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import imp
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import os
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import sys, glob
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import logging
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import traceback
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LOG = logging.getLogger(__name__)
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global builders
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def load_from_file(filepath, conf):
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class_inst = None
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mod_name,file_ext = os.path.splitext(os.path.split(filepath)[-1])
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if file_ext.lower() == '.py':
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py_mod = imp.load_source(mod_name, filepath)
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elif file_ext.lower() == '.pyc':
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py_mod = imp.load_compiled(mod_name, filepath)
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if hasattr(py_mod, mod_name):
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callable = getattr(__import__(mod_name),mod_name)
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class_inst = callable(conf)
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return class_inst
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class BuilderSet:
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def __init__(self):
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self.path = './windc/core/builders'
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sys.path.append(self.path)
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self.set = {}
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def load(self, conf):
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files = glob.glob(self.path+'/*.py')
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for file in files:
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LOG.debug("Trying to load builder from file: %s", file)
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try:
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builder = load_from_file(file, conf)
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LOG.info("Buider '%s' loaded.", builder.name)
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self.set[builder.type] = builder
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except:
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exc_type, exc_value, exc_traceback = sys.exc_info()
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LOG.error('Can`t load builder from the file %s. Skip it.', file)
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LOG.debug(repr(traceback.format_exception(exc_type, exc_value,
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exc_traceback)))
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def reload(self):
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self.set = {}
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self.load()
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