60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Parent class for writing units."""
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import inspect
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class Units(object):
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@staticmethod
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def prop(obj, path):
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# Helper method to extract nested property values
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nested_keys = path.split("/")
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val = obj
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for key in nested_keys:
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val = val.get(key, {})
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return val
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def __init__(self, debug=False, substitutions=None):
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self.debug = debug
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if substitutions is None:
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self.substitutions = {}
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else:
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self.substitutions = substitutions
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def log(self, text):
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if self.debug:
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func_name = ""
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trace = inspect.stack()
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if len(trace) > 1 and len(trace[1]) > 2:
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func_name = trace[1][3] + ":"
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print("batesian:units:%s %s" % (func_name, text))
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def get_units(self, debug=False):
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unit_list = inspect.getmembers(self, predicate=inspect.ismethod)
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unit_dict = {}
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for (func_name, func) in unit_list:
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if not func_name.startswith("load_"):
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continue
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unit_key = func_name[len("load_"):]
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if len(inspect.getargs(func.__code__).args) > 1:
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unit_dict[unit_key] = func(self.substitutions)
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else:
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unit_dict[unit_key] = func()
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self.log("Generated unit '%s'" % unit_key)
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return unit_dict
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