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[MOD] Split logs by day at midnight #62

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[MOD] Split logs by day at midnight #62

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10 changes: 5 additions & 5 deletions vnpy_evo/trader/engine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,15 +49,15 @@ def __init__(self, main_engine: MainEngine, event_engine: EventEngine) -> None:
logger.remove() # Remove default stderr output

if SETTINGS["log.file"]:
today_date: str = datetime.now().strftime("%Y%m%d")
filename: str = f"vt_{today_date}.log"
log_path: Path = get_folder_path("log")
file_path: Path = log_path.joinpath(filename)
filename_pattern: str = log_path.joinpath("vt_{time:YYYYMMDD}.log") # Use {time} in filename

logger.add(
sink=file_path,
sink=filename_pattern,
level=self.level,
retention="4 weeks"
format=self.format,
rotation="00:00", # Rotate log file at midnight
retention="4 weeks" # Keep logs for 4 weeks
)

self.register_event()
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