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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-24 07:18:09 +00:00
trezor-firmware/trezorlib/log.py
matejcik aace6577c8 log: remove special handling of Features/CoinType in prettyprinter
now that Trezor won't send CoinTypes anymore
2018-05-28 15:01:17 +02:00

35 lines
1.1 KiB
Python

import logging
from typing import Set, Type, Optional
from . import protobuf
OMITTED_MESSAGES = set() # type: Set[Type[protobuf.MessageType]]
class PrettyProtobufFormatter(logging.Formatter):
def format(self, record: logging.LogRecord) -> str:
time = self.formatTime(record)
message = '[{time}] {source} {level}: {msg}'.format(
time=time, level=record.levelname.upper(),
source=record.name,
msg=super().format(record))
if hasattr(record, 'protobuf'):
if type(record.protobuf) in OMITTED_MESSAGES:
message += " ({} bytes)".format(record.protobuf.ByteSize())
else:
message += "\n" + protobuf.format_message(record.protobuf)
return message
def enable_debug_output(handler: Optional[logging.Handler] = None):
if handler is None:
handler = logging.StreamHandler()
formatter = PrettyProtobufFormatter()
handler.setFormatter(formatter)
logger = logging.getLogger('trezorlib')
logger.setLevel(logging.DEBUG)
logger.addHandler(handler)