75 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# Eryn Wells <eryn@erynwells.me>
 | 
						|
 | 
						|
'''
 | 
						|
Initializes and sets up
 | 
						|
'''
 | 
						|
 | 
						|
import json
 | 
						|
import logging
 | 
						|
import logging.config
 | 
						|
import os.path
 | 
						|
 | 
						|
# These are re-imports so clients of this module don't have to also import logging
 | 
						|
# pylint: disable=unused-import
 | 
						|
from logging import CRITICAL, DEBUG, ERROR, FATAL, INFO, NOTSET, WARN, WARNING
 | 
						|
 | 
						|
 | 
						|
def _log_name(*components):
 | 
						|
    return '.'.join(['erynrl'] + list(components))
 | 
						|
 | 
						|
 | 
						|
ROOT = logging.getLogger(_log_name())
 | 
						|
AI = logging.getLogger(_log_name('ai'))
 | 
						|
ACTIONS = logging.getLogger(_log_name('actions'))
 | 
						|
ACTIONS_TREE = logging.getLogger(_log_name('actions', 'tree'))
 | 
						|
ENGINE = logging.getLogger(_log_name('engine'))
 | 
						|
EVENTS = logging.getLogger(_log_name('events'))
 | 
						|
MAP = logging.getLogger(_log_name('map'))
 | 
						|
UI = logging.getLogger(_log_name('ui'))
 | 
						|
 | 
						|
 | 
						|
def walk_up_directories_of_path(path):
 | 
						|
    '''Walk up a path, yielding each directory, until the root of the filesystem is found'''
 | 
						|
    while path and path != '/':
 | 
						|
        if os.path.isdir(path):
 | 
						|
            yield path
 | 
						|
        path = os.path.dirname(path)
 | 
						|
 | 
						|
 | 
						|
def find_logging_config():
 | 
						|
    '''Walk up the filesystem from this script to find a logging_config.json'''
 | 
						|
    for parent_dir in walk_up_directories_of_path(__file__):
 | 
						|
        possible_logging_config_file = os.path.join(parent_dir, 'logging_config.json')
 | 
						|
        if os.path.isfile(possible_logging_config_file):
 | 
						|
            ROOT.info('Found logging config file %s', possible_logging_config_file)
 | 
						|
            break
 | 
						|
    else:
 | 
						|
        return None
 | 
						|
 | 
						|
    return possible_logging_config_file
 | 
						|
 | 
						|
 | 
						|
def init(config_file=None):
 | 
						|
    '''
 | 
						|
    Set up the logging system by (preferrably) reading a logging configuration file.
 | 
						|
 | 
						|
    Parameters
 | 
						|
    ----------
 | 
						|
    config_file : str
 | 
						|
        Path to a file containing a Python logging configuration in JSON
 | 
						|
    '''
 | 
						|
    logging_config_path = config_file if config_file else find_logging_config()
 | 
						|
 | 
						|
    if os.path.isfile(logging_config_path):
 | 
						|
        with open(logging_config_path, encoding='utf-8') as logging_config_file:
 | 
						|
            logging_config = json.load(logging_config_file)
 | 
						|
            logging.config.dictConfig(logging_config)
 | 
						|
        ROOT.info('Found logging configuration at %s', logging_config_path)
 | 
						|
    else:
 | 
						|
        root_logger = logging.getLogger('')
 | 
						|
        root_logger.setLevel(logging.DEBUG)
 | 
						|
 | 
						|
        stderr_handler = logging.StreamHandler()
 | 
						|
        stderr_handler.setFormatter(logging.Formatter("%(asctime)s %(name)s: %(message)s"))
 | 
						|
 | 
						|
        root_logger.addHandler(stderr_handler)
 |