log.py

import os

from lithoxyl import Logger, SensibleSink, SensibleFormatter, StreamEmitter, SensibleFilter
from lithoxyl.emitters import FileEmitter

class FixedFileEmitter(FileEmitter):
    def __init__(self, filepath, encoding=None, **kwargs):
        self.encoding = encoding
        super(FixedFileEmitter, self).__init__(filepath, encoding, **kwargs)

CUR_PATH = os.path.dirname(os.path.abspath(__file__))
LOG_FILE_PATH = os.path.join(CUR_PATH, 'logs', 'update_log.txt')

tlog = Logger('toplog')

file_fmt = SensibleFormatter('{status_char}{iso_end_local_noms_notz} - {duration_s}s - {action_name} - {event_message}')
file_emt = FixedFileEmitter(LOG_FILE_PATH)
file_filter = SensibleFilter(success='critical',
                              failure='info',
                              exception='debug')
file_sink = SensibleSink(formatter=file_fmt,
                         emitter=file_emt,
                         filters=[file_filter])
tlog.add_sink(file_sink)


def set_debug(enable=True):
    if not enable:
        raise NotImplementedError()
    dbg_fmtr = file_fmt
    dbg_emtr = StreamEmitter('stderr')
    
    dbg_sink = SensibleSink(formatter=dbg_fmtr,
                            emitter=dbg_emtr)
    tlog.add_sink(dbg_sink)