mirror of https://github.com/python/cpython.git
64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
import logging
|
|
import sys
|
|
|
|
|
|
VERBOSITY = 3
|
|
|
|
|
|
# The root logger for the whole top-level package:
|
|
_logger = logging.getLogger(__name__.rpartition('.')[0])
|
|
|
|
|
|
def configure_logger(logger, verbosity=VERBOSITY, *,
|
|
logfile=None,
|
|
maxlevel=logging.CRITICAL,
|
|
):
|
|
level = max(1, # 0 disables it, so we use the next lowest.
|
|
min(maxlevel,
|
|
maxlevel - verbosity * 10))
|
|
logger.setLevel(level)
|
|
#logger.propagate = False
|
|
|
|
if not logger.handlers:
|
|
if logfile:
|
|
handler = logging.FileHandler(logfile)
|
|
else:
|
|
handler = logging.StreamHandler(sys.stdout)
|
|
handler.setLevel(level)
|
|
#handler.setFormatter(logging.Formatter())
|
|
logger.addHandler(handler)
|
|
|
|
# In case the provided logger is in a sub-package...
|
|
if logger is not _logger:
|
|
configure_logger(
|
|
_logger,
|
|
verbosity,
|
|
logfile=logfile,
|
|
maxlevel=maxlevel,
|
|
)
|
|
|
|
|
|
def hide_emit_errors():
|
|
"""Ignore errors while emitting log entries.
|
|
|
|
Rather than printing a message describing the error, we show nothing.
|
|
"""
|
|
# For now we simply ignore all exceptions. If we wanted to ignore
|
|
# specific ones (e.g. BrokenPipeError) then we would need to use
|
|
# a Handler subclass with a custom handleError() method.
|
|
orig = logging.raiseExceptions
|
|
logging.raiseExceptions = False
|
|
def restore():
|
|
logging.raiseExceptions = orig
|
|
return restore
|
|
|
|
|
|
class Printer:
|
|
def __init__(self, verbosity=VERBOSITY):
|
|
self.verbosity = verbosity
|
|
|
|
def info(self, *args, **kwargs):
|
|
if self.verbosity < 3:
|
|
return
|
|
print(*args, **kwargs)
|