/usr/lib/python3/dist-packages/cement/core/log.py is in python3-cement 2.10.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Cement core log module.
"""
from ..core import interface, handler
def log_validator(klass, obj):
"""Validates an handler implementation against the ILog interface."""
members = [
'_setup',
'set_level',
'get_level',
'info',
'warn', # DEPRECATED
'warning',
'error',
'fatal',
'debug',
]
interface.validate(ILog, obj, members)
class ILog(interface.Interface):
"""
This class defines the Log Handler Interface. Classes that
implement this handler must provide the methods and attributes defined
below.
Implementations do *not* subclass from interfaces.
Usage:
.. code-block:: python
from cement.core import log
class MyLogHandler(object):
class Meta:
interface = log.ILog
label = 'my_log_handler'
...
"""
# pylint: disable=W0232, C0111, R0903
class IMeta:
"""Interface meta-data."""
label = 'log'
"""The string identifier of the interface."""
validator = log_validator
"""The interface validator function."""
# Must be provided by the implementation
Meta = interface.Attribute('Handler Meta-data')
def _setup(app_obj):
"""
The _setup function is called during application initialization and
must 'setup' the handler object making it ready for the framework
or the application to make further calls to it.
:param app_obj: The application object.
"""
def set_level():
"""
Set the log level. Must except atleast one of:
``['INFO', 'WARNING', 'ERROR', 'DEBUG', or 'FATAL']``.
"""
def get_level():
"""Return a string representation of the log level."""
def info(msg):
"""
Log to the 'INFO' facility.
:param msg: The message to log.
"""
def warning(self, msg):
"""
Log to the 'WARNING' facility.
:param msg: The message to log.
"""
def error(self, msg):
"""
Log to the 'ERROR' facility.
:param msg: The message to log.
"""
def fatal(self, msg):
"""
Log to the 'FATAL' facility.
:param msg: The message to log.
"""
def debug(self, msg):
"""
Log to the 'DEBUG' facility.
:param msg: The message to log.
"""
class CementLogHandler(handler.CementBaseHandler):
"""
Base class that all Log Handlers should sub-class from.
"""
class Meta:
"""
Handler meta-data (can be passed as keyword arguments to the parent
class).
"""
label = None
"""The string identifier of this handler."""
interface = ILog
"""The interface that this class implements."""
def __init__(self, *args, **kw):
super(CementLogHandler, self).__init__(*args, **kw)
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