37 lines
872 B
Python
37 lines
872 B
Python
"""Logging helper classes."""
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import logging
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class FieldSkipLogFilter(logging.Filter):
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"""Filter field skip log messages.
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At most, one message per field skipped per loop will be passed.
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"""
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def __init__(self, name=''):
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super().__init__(name)
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self.seen_msgs = set()
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def filter(self, record):
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"""Pass record if not seen."""
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msg = record.getMessage()
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if msg.startswith("Skipping field"):
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retval = msg not in self.seen_msgs
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self.seen_msgs.add(msg)
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return retval
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else:
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return 1
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class LogFiltering:
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def __init__(self, logger, filter):
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self.logger = logger
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self.filter = filter
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def __enter__(self):
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self.logger.addFilter(self.filter)
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def __exit__(self, *args, **kwargs):
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self.logger.removeFilter(self.filter)
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