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Jenkins T. Quantopian, III
43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
import json
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class Config(object):
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""" Name/Value configuration object with type-safe accessors and json serialization/deserialization."""
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def __init__(self, props):
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self.store = props
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def __setitem__(self,key,value):
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self.store[key] = value
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def __getitem__(self, key):
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if self.store.has_key(key):
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return self.store[key]
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def __getattr__(self,attrname):
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if self.store.has_key(attrname):
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return self.store[attrname]
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else:
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raise AttributeError("No attribute named {name}".format(name=attrname))
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def get_integer(self, name, default=0):
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return self.get_value(name, default, type(1))
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def get_string(self, name, default=''):
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return self.get_value(name, default, type(''))
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def get_float(self, name, default=0.0):
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return self.get_value(name, default, type(1.0))
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def get_value(self, name, default, expected_type):
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if(self.store.has_key(name)):
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val = self.store[name]
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if isinstance(val, expected_type):
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return val
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else:
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return default
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def to_json(self):
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return json.dumps(self.store)
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def from_json(self, json_string):
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self.store = json.loads(json_string) |