import sys
from typing import Callable, Iterable, Mapping, Optional
+from overrides import overrides
+
# This module is commonly used by others in here and should avoid
# taking any unnecessary dependencies back on them.
import argparse_utils
default='INFO',
choices=['NOTSET', 'DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'],
metavar='LEVEL',
- help='The level below which to squelch log messages.',
+ help='The global default level below which to squelch log messages; see also --lmodule',
)
cfg.add_argument(
'--logging_format',
default=False,
help='Should we prepend pid/tid data to all log messages?'
)
+cfg.add_argument(
+ '--logging_debug_modules',
+ action=argparse_utils.ActionNoYes,
+ default=False,
+ help='Should we prepend module/function data to all log messages?'
+)
cfg.add_argument(
'--logging_info_is_print',
action=argparse_utils.ActionNoYes,
default=False,
help='When calling print, also log.info automatically.'
)
+cfg.add_argument(
+ '--lmodule',
+ type=str,
+ metavar='<SCOPE>=<LEVEL>[,<SCOPE>=<LEVEL>...]',
+ help=(
+ 'Allows per-scope logging levels which override the global level set with --logging-level.' +
+ 'Pass a space separated list of <scope>=<level> where <scope> is one of: module, ' +
+ 'module:function, or :function and <level> is a logging level (e.g. INFO, DEBUG...)'
+ )
+)
+
built_in_print = print
self.counters = collections.Counter()
super().__init__()
+ @overrides
def filter(self, record: logging.LogRecord) -> bool:
id1 = f'{record.module}:{record.funcName}'
if id1 not in squelched_logging_counts:
return count < threshold
+class DynamicPerScopeLoggingLevelFilter(logging.Filter):
+ """Only interested in seeing logging messages from an allow list of
+ module names or module:function names. Block others.
+
+ """
+ @staticmethod
+ def level_name_to_level(name: str) -> int:
+ numeric_level = getattr(
+ logging,
+ name,
+ None
+ )
+ if not isinstance(numeric_level, int):
+ raise ValueError('Invalid level: {name}')
+ return numeric_level
+
+ def __init__(
+ self,
+ default_logging_level: int,
+ per_scope_logging_levels: str,
+ ) -> None:
+ super().__init__()
+ self.valid_levels = set(['NOTSET', 'DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'])
+ self.default_logging_level = default_logging_level
+ self.level_by_scope = {}
+ if per_scope_logging_levels is not None:
+ for chunk in per_scope_logging_levels.split(','):
+ if '=' not in chunk:
+ print(
+ f'Malformed lmodule directive: "{chunk}", missing "=". Ignored.',
+ file=sys.stderr
+ )
+ continue
+ try:
+ (scope, level) = chunk.split('=')
+ except ValueError:
+ print(
+ f'Malformed lmodule directive: "{chunk}". Ignored.',
+ file=sys.stderr
+ )
+ continue
+ scope = scope.strip()
+ level = level.strip().upper()
+ if level not in self.valid_levels:
+ print(
+ f'Malformed lmodule directive: "{chunk}", bad level. Ignored.',
+ file=sys.stderr
+ )
+ continue
+ self.level_by_scope[scope] = (
+ DynamicPerScopeLoggingLevelFilter.level_name_to_level(
+ level
+ )
+ )
+
+ @overrides
+ def filter(self, record: logging.LogRecord) -> bool:
+ # First try to find a logging level by scope (--lmodule)
+ if len(self.level_by_scope) > 0:
+ min_level = None
+ for scope in (
+ record.module,
+ f'{record.module}:{record.funcName}',
+ f':{record.funcName}'
+ ):
+ level = self.level_by_scope.get(scope, None)
+ if level is not None:
+ if min_level is None or level < min_level:
+ min_level = level
+
+ # If we found one, use it instead of the global default level.
+ if min_level is not None:
+ return record.levelno >= min_level
+
+ # Otherwise, use the global logging level (--logging_level)
+ return record.levelno >= self.default_logging_level
+
+
# A map from function_identifier -> probability of logging (0.0%..100.0%)
probabilistic_logging_levels: Mapping[str, float] = {}
been tagged with the @logging_utils.probabilistic_logging decorator.
"""
+ @overrides
def filter(self, record: logging.LogRecord) -> bool:
id1 = f'{record.module}:{record.funcName}'
if id1 not in probabilistic_logging_levels:
stdout handler.
"""
- def filter(self, record):
+ @overrides
+ def filter(self, record: logging.LogRecord):
return record.levelno == logging.INFO
"""
converter = datetime.datetime.fromtimestamp
+ @overrides
def formatTime(self, record, datefmt=None):
ct = MillisecondAwareFormatter.converter(
record.created, pytz.timezone("US/Pacific")
return logger
handlers = []
- numeric_level = getattr(
+
+ # Global default logging level (--logging_level)
+ default_logging_level = getattr(
logging,
config.config['logging_level'].upper(),
None
)
- if not isinstance(numeric_level, int):
+ if not isinstance(default_logging_level, int):
raise ValueError('Invalid level: %s' % config.config['logging_level'])
fmt = config.config['logging_format']
if config.config['logging_debug_threads']:
fmt = f'%(process)d.%(thread)d|{fmt}'
+ if config.config['logging_debug_modules']:
+ fmt = f'%(filename)s:%(funcName)s:%(lineno)s|{fmt}'
if config.config['logging_syslog']:
if sys.platform not in ('win32', 'cygwin'):
handler = SysLogHandler()
-# for k, v in encoded_priorities.items():
-# handler.encodePriority(k, v)
handler.setFormatter(
MillisecondAwareFormatter(
fmt=fmt,
datefmt=config.config['logging_date_format'],
)
)
- handler.setLevel(numeric_level)
handlers.append(handler)
if config.config['logging_filename']:
maxBytes = config.config['logging_filename_maxsize'],
backupCount = config.config['logging_filename_count'],
)
- handler.setLevel(numeric_level)
handler.setFormatter(
MillisecondAwareFormatter(
fmt=fmt,
if config.config['logging_console']:
handler = logging.StreamHandler(sys.stderr)
- handler.setLevel(numeric_level)
handler.setFormatter(
MillisecondAwareFormatter(
fmt=fmt,
for handler in handlers:
handler.addFilter(ProbabilisticFilter())
- logger.setLevel(numeric_level)
+ for handler in handlers:
+ handler.addFilter(
+ DynamicPerScopeLoggingLevelFilter(
+ default_logging_level,
+ config.config['lmodule'],
+ )
+ )
+ logger.setLevel(0)
logger.propagate = False
if config.config['logging_captures_prints']:
class Destination(enum.IntEnum):
"""Bits in the destination_bitv bitvector. Used to indicate the
output destination."""
- LOG_DEBUG = 0x01 # -\
- LOG_INFO = 0x02 # |
- LOG_WARNING = 0x04 # > Should provide logger to the c'tor.
- LOG_ERROR = 0x08 # |
- LOG_CRITICAL = 0x10 # _/
+ LOG_DEBUG = 0x01 # ⎫
+ LOG_INFO = 0x02 # ⎪
+ LOG_WARNING = 0x04 # ⎬ Must provide logger to the c'tor.
+ LOG_ERROR = 0x08 # ⎪
+ LOG_CRITICAL = 0x10 # ⎭
FILENAMES = 0x20 # Must provide a filename to the c'tor.
FILEHANDLES = 0x40 # Must provide a handle to the c'tor.
HLOG = 0x80
projects / python_utils.git / blobdiff