move loggers setup out of configuration

freqtrade/configuration.py

@@ -6,8 +6,7 @@ import logging
 import os
 import sys
 from argparse import Namespace
-from logging.handlers import RotatingFileHandler
-from typing import Any, Callable, Dict, List, Optional
+from typing import Any, Callable, Dict, Optional
 
 from jsonschema import Draft4Validator, validators
 from jsonschema.exceptions import ValidationError, best_match
@@ -15,25 +14,14 @@ from jsonschema.exceptions import ValidationError, best_match
 from freqtrade import OperationalException, constants
 from freqtrade.exchange import (is_exchange_bad, is_exchange_available,
                                 is_exchange_officially_supported, available_exchanges)
+from freqtrade.loggers import setup_logging
 from freqtrade.misc import deep_merge_dicts
 from freqtrade.state import RunMode
 
+
 logger = logging.getLogger(__name__)
 
 
-def set_loggers(log_level: int = 0) -> None:
-    """
-    Set the logger level for Third party libs
-    :return: None
-    """
-
-    logging.getLogger('requests').setLevel(logging.INFO if log_level <= 1 else logging.DEBUG)
-    logging.getLogger("urllib3").setLevel(logging.INFO if log_level <= 1 else logging.DEBUG)
-    logging.getLogger('ccxt.base.exchange').setLevel(
-        logging.INFO if log_level <= 2 else logging.DEBUG)
-    logging.getLogger('telegram').setLevel(logging.INFO)
-
-
 def _extend_validator(validator_class):
     """
     Extended validator for the Freqtrade configuration JSON Schema.
@@ -143,24 +131,10 @@ class Configuration(object):
         else:
             config.update({'verbosity': 0})
 
-        # Log to stdout, not stderr
-        log_handlers: List[logging.Handler] = [logging.StreamHandler(sys.stdout)]
         if 'logfile' in self.args and self.args.logfile:
             config.update({'logfile': self.args.logfile})
 
-        # Allow setting this as either configuration or argument
-        if 'logfile' in config:
-            log_handlers.append(RotatingFileHandler(config['logfile'],
-                                                    maxBytes=1024 * 1024,  # 1Mb
-                                                    backupCount=10))
-
-        logging.basicConfig(
-            level=logging.INFO if config['verbosity'] < 1 else logging.DEBUG,
-            format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
-            handlers=log_handlers
-        )
-        set_loggers(config['verbosity'])
-        logger.info('Verbosity set to %s', config['verbosity'])
+        setup_logging(config)
 
     def _load_common_config(self, config: Dict[str, Any]) -> Dict[str, Any]:
         """

freqtrade/main.py

@@ -16,7 +16,6 @@ from typing import Any, List
 
 from freqtrade import OperationalException
 from freqtrade.arguments import Arguments
-from freqtrade.configuration import set_loggers
 from freqtrade.worker import Worker
 
 
@@ -32,8 +31,6 @@ def main(sysargv: List[str] = None) -> None:
     return_code: Any = 1
     worker = None
     try:
-        set_loggers()
-
         arguments = Arguments(
             sysargv,
             'Free, open source crypto trading bot'

freqtrade/tests/test_configuration.py

@@ -12,8 +12,9 @@ from jsonschema import Draft4Validator, ValidationError, validate
 
 from freqtrade import OperationalException, constants
 from freqtrade.arguments import Arguments
-from freqtrade.configuration import Configuration, set_loggers
+from freqtrade.configuration import Configuration
 from freqtrade.constants import DEFAULT_DB_DRYRUN_URL, DEFAULT_DB_PROD_URL
+from freqtrade.loggers import _set_loggers
 from freqtrade.state import RunMode
 from freqtrade.tests.conftest import log_has, log_has_re
 
@@ -524,7 +525,7 @@ def test_cli_verbose_with_params(default_conf, mocker, caplog) -> None:
     mocker.patch('freqtrade.configuration.open', mocker.mock_open(
         read_data=json.dumps(default_conf)))
     # Prevent setting loggers
-    mocker.patch('freqtrade.configuration.set_loggers', MagicMock)
+    mocker.patch('freqtrade.loggers._set_loggers', MagicMock)
     arglist = ['-vvv']
     args = Arguments(arglist, '').get_parsed_arg()
 
@@ -546,7 +547,7 @@ def test_set_loggers() -> None:
     previous_value2 = logging.getLogger('ccxt.base.exchange').level
     previous_value3 = logging.getLogger('telegram').level
 
-    set_loggers()
+    _set_loggers()
 
     value1 = logging.getLogger('requests').level
     assert previous_value1 is not value1
@@ -560,13 +561,13 @@ def test_set_loggers() -> None:
     assert previous_value3 is not value3
     assert value3 is logging.INFO
 
-    set_loggers(log_level=2)
+    _set_loggers(verbosity=2)
 
     assert logging.getLogger('requests').level is logging.DEBUG
     assert logging.getLogger('ccxt.base.exchange').level is logging.INFO
     assert logging.getLogger('telegram').level is logging.INFO
 
-    set_loggers(log_level=3)
+    _set_loggers(verbosity=3)
 
     assert logging.getLogger('requests').level is logging.DEBUG
     assert logging.getLogger('ccxt.base.exchange').level is logging.DEBUG