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from synergine.core.exception.NotFoundError import NotFoundError |
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class ConfigurationManager(): |
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""" |
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Management of dict based configuration data |
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""" |
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def __init__(self, config: dict={}): |
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self._configs = config |
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def get(self, config_name: "the.config.name", default=None): |
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inceptions = config_name.split('.') |
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config = self._configs |
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for inception in inceptions: |
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if inception in config: |
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config = config[inception] |
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elif default is not None: |
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return default |
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else: |
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raise NotFoundError('Config "'+config_name+'"" not found') |
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return config |
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def update_config(self, config_name: "the.config.name", config_value): |
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inceptions = config_name.split('.') |
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inception_count = 0 |
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parent_config = self._configs |
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config = self._configs |
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for inception in inceptions: |
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inception_count += 1 |
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if inception in config: |
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parent_config = config |
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config = config[inception] |
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else: |
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raise Exception('Config "'+config_name+'"" not found') |
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parent_config[inception] = config_value |
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def set_config(self, config_name: "the.config.name", config_value): |
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inceptions = config_name.split('.') |
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config = self._configs |
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for inception in inceptions: |
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if inception in config: |
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config = config[inception] |
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elif inceptions.index(inception)+1 == len(inceptions): |
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config[inception] = config_value |
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else: |
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config[inception] = {inceptions.__getitem__(inceptions.index(inception)+1): {}} |
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config = config[inception] |
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def load(self, config_to_load): |
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self._configs = self._merge(self._configs, config_to_load) |
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def _merge(self, a, b, path=None): |
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"merges b into a" |
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if path is None: |
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path = [] |
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for key in b: |
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if key in a: |
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if isinstance(a[key], dict) and isinstance(b[key], dict): |
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self._merge(a[key], b[key], path + [str(key)]) |
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elif a[key] == b[key]: |
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pass |
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else: |
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a[key] = b[key] |
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else: |
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a[key] = b[key] |
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return a |
buxx /
synergine
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