mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-27 01:48:17 +00:00
35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
import logging
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from typing import Set, Type, Optional
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from . import protobuf
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OMITTED_MESSAGES = set() # type: Set[Type[protobuf.MessageType]]
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class PrettyProtobufFormatter(logging.Formatter):
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def format(self, record: logging.LogRecord) -> str:
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time = self.formatTime(record)
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message = '[{time}] {source} {level}: {msg}'.format(
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time=time, level=record.levelname.upper(),
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source=record.name,
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msg=super().format(record))
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if hasattr(record, 'protobuf'):
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if type(record.protobuf) in OMITTED_MESSAGES:
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message += " ({} bytes)".format(record.protobuf.ByteSize())
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else:
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message += "\n" + protobuf.format_message(record.protobuf)
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return message
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def enable_debug_output(handler: Optional[logging.Handler] = None):
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if handler is None:
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handler = logging.StreamHandler()
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formatter = PrettyProtobufFormatter()
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handler.setFormatter(formatter)
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logger = logging.getLogger('trezorlib')
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logger.setLevel(logging.DEBUG)
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logger.addHandler(handler)
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