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29 lines
928 B
Python
29 lines
928 B
Python
from datetime import datetime
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import pytz
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class SIGRefDataProvider:
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"""Generic SIG reference data provider class. Subclasses of this query the individual URLs or files for data."""
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def __init__(self, name, provider_config):
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"""Constructor"""
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self.name = name
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self.enabled = provider_config["enabled"]
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self.last_update_time = datetime.min.replace(tzinfo=pytz.UTC)
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self.last_spot_time = datetime.min.replace(tzinfo=pytz.UTC)
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self.status = "Not Started" if self.enabled else "Disabled"
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def start(self):
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"""Start the provider. This should return immediately after spawning threads to access the remote resources"""
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raise NotImplementedError("Subclasses must implement this method")
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def stop(self):
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"""Stop any threads and prepare for application shutdown"""
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raise NotImplementedError("Subclasses must implement this method")
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