ruff format: loggers

freqtrade/loggers/__init__.py

@@ -10,7 +10,7 @@ from freqtrade.loggers.std_err_stream_handler import FTStdErrStreamHandler
 
 
 logger = logging.getLogger(__name__)
-LOGFORMAT = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
+LOGFORMAT = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
 
 # Initialize bufferhandler - will be used for /log endpoints
 bufferHandler = FTBufferingHandler(1000)
@@ -33,9 +33,7 @@ def setup_logging_pre() -> None:
     ones the user desires beforehand.
     """
     logging.basicConfig(
-        level=logging.INFO,
-        format=LOGFORMAT,
-        handlers=[FTStdErrStreamHandler(), bufferHandler]
+        level=logging.INFO, format=LOGFORMAT, handlers=[FTStdErrStreamHandler(), bufferHandler]
     )
 
 
@@ -44,20 +42,20 @@ def setup_logging(config: Config) -> None:
     Process -v/--verbose, --logfile options
     """
     # Log level
-    verbosity = config['verbosity']
+    verbosity = config["verbosity"]
     logging.root.addHandler(bufferHandler)
 
-    logfile = config.get('logfile')
+    logfile = config.get("logfile")
 
     if logfile:
-        s = logfile.split(':')
-        if s[0] == 'syslog':
+        s = logfile.split(":")
+        if s[0] == "syslog":
             # Address can be either a string (socket filename) for Unix domain socket or
             # a tuple (hostname, port) for UDP socket.
             # Address can be omitted (i.e. simple 'syslog' used as the value of
             # config['logfilename']), which defaults to '/dev/log', applicable for most
             # of the systems.
-            address = (s[1], int(s[2])) if len(s) > 2 else s[1] if len(s) > 1 else '/dev/log'
+            address = (s[1], int(s[2])) if len(s) > 2 else s[1] if len(s) > 1 else "/dev/log"
             handler_sl = get_existing_handlers(SysLogHandler)
             if handler_sl:
                 logging.root.removeHandler(handler_sl)
@@ -65,14 +63,16 @@ def setup_logging(config: Config) -> None:
             # No datetime field for logging into syslog, to allow syslog
             # to perform reduction of repeating messages if this is set in the
             # syslog config. The messages should be equal for this.
-            handler_sl.setFormatter(Formatter('%(name)s - %(levelname)s - %(message)s'))
+            handler_sl.setFormatter(Formatter("%(name)s - %(levelname)s - %(message)s"))
             logging.root.addHandler(handler_sl)
-        elif s[0] == 'journald':  # pragma: no cover
+        elif s[0] == "journald":  # pragma: no cover
             try:
                 from cysystemd.journal import JournaldLogHandler
             except ImportError:
-                raise OperationalException("You need the cysystemd python package be installed in "
-                                           "order to use logging to journald.")
+                raise OperationalException(
+                    "You need the cysystemd python package be installed in "
+                    "order to use logging to journald."
+                )
             handler_jd = get_existing_handlers(JournaldLogHandler)
             if handler_jd:
                 logging.root.removeHandler(handler_jd)
@@ -80,19 +80,21 @@ def setup_logging(config: Config) -> None:
             # No datetime field for logging into journald, to allow syslog
             # to perform reduction of repeating messages if this is set in the
             # syslog config. The messages should be equal for this.
-            handler_jd.setFormatter(Formatter('%(name)s - %(levelname)s - %(message)s'))
+            handler_jd.setFormatter(Formatter("%(name)s - %(levelname)s - %(message)s"))
             logging.root.addHandler(handler_jd)
         else:
             handler_rf = get_existing_handlers(RotatingFileHandler)
             if handler_rf:
                 logging.root.removeHandler(handler_rf)
-            handler_rf = RotatingFileHandler(logfile,
-                                             maxBytes=1024 * 1024 * 10,  # 10Mb
-                                             backupCount=10)
+            handler_rf = RotatingFileHandler(
+                logfile,
+                maxBytes=1024 * 1024 * 10,  # 10Mb
+                backupCount=10,
+            )
             handler_rf.setFormatter(Formatter(LOGFORMAT))
             logging.root.addHandler(handler_rf)
 
     logging.root.setLevel(logging.INFO if verbosity < 1 else logging.DEBUG)
-    set_loggers(verbosity, config.get('api_server', {}).get('verbosity', 'info'))
+    set_loggers(verbosity, config.get("api_server", {}).get("verbosity", "info"))
 
-    logger.info('Verbosity set to %s', verbosity)
+    logger.info("Verbosity set to %s", verbosity)

freqtrade/loggers/buffering_handler.py

@@ -10,6 +10,7 @@ class FTBufferingHandler(BufferingHandler):
         self.acquire()
         try:
             # Keep half of the records in buffer.
-            self.buffer = self.buffer[-int(self.capacity / 2):]
+            records_to_keep = -int(self.capacity / 2)
+            self.buffer = self.buffer[records_to_keep:]
         finally:
             self.release()

freqtrade/loggers/set_log_levels.py

@@ -1,35 +1,32 @@
-
 import logging
 
 
 logger = logging.getLogger(__name__)
 
 
-def set_loggers(verbosity: int = 0, api_verbosity: str = 'info') -> None:
+def set_loggers(verbosity: int = 0, api_verbosity: str = "info") -> None:
     """
     Set the logging level for third party libraries
     :param verbosity: Verbosity level. amount of `-v` passed to the command line
     :return: None
     """
-    for logger_name in ('requests', 'urllib3', 'httpcore'):
-        logging.getLogger(logger_name).setLevel(
-            logging.INFO if verbosity <= 1 else logging.DEBUG
-        )
-    logging.getLogger('ccxt.base.exchange').setLevel(
+    for logger_name in ("requests", "urllib3", "httpcore"):
+        logging.getLogger(logger_name).setLevel(logging.INFO if verbosity <= 1 else logging.DEBUG)
+    logging.getLogger("ccxt.base.exchange").setLevel(
         logging.INFO if verbosity <= 2 else logging.DEBUG
     )
-    logging.getLogger('telegram').setLevel(logging.INFO)
-    logging.getLogger('httpx').setLevel(logging.WARNING)
+    logging.getLogger("telegram").setLevel(logging.INFO)
+    logging.getLogger("httpx").setLevel(logging.WARNING)
 
-    logging.getLogger('werkzeug').setLevel(
-        logging.ERROR if api_verbosity == 'error' else logging.INFO
+    logging.getLogger("werkzeug").setLevel(
+        logging.ERROR if api_verbosity == "error" else logging.INFO
     )
 
 
 __BIAS_TESTER_LOGGERS = [
-    'freqtrade.resolvers',
-    'freqtrade.strategy.hyper',
-    'freqtrade.configuration.config_validation',
+    "freqtrade.resolvers",
+    "freqtrade.strategy.hyper",
+    "freqtrade.configuration.config_validation",
 ]
 
 

freqtrade/loggers/std_err_stream_handler.py

@@ -18,7 +18,7 @@ class FTStdErrStreamHandler(Handler):
         try:
             msg = self.format(record)
             # Don't keep a reference to stderr - this can be problematic with progressbars.
-            sys.stderr.write(msg + '\n')
+            sys.stderr.write(msg + "\n")
             self.flush()
         except RecursionError:
             raise