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# -*- coding: utf-8 -*-
# Copyright © 2012-2014 Daniel Devine and others.
# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the
# Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the
# Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice
# shall be included in all copies or substantial portions of
# the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
from nikola.plugin_categories import SignalHandler
from blinker import signal
import os
from nikola import DEBUG
from nikola.utils import ColorfulStderrHandler
class StderrHandler(SignalHandler):
"""Logs messages to stderr."""
name = 'stderr'
def attach_handler(self, sender):
"""Attach the handler to the logger."""
conf = self.site.config.get('LOGGING_HANDLERS').get('stderr')
if conf or os.getenv('NIKOLA_DEBUG'):
self.site.loghandlers.append(ColorfulStderrHandler(
level='DEBUG' if DEBUG else conf.get('loglevel', 'WARNING').upper(),
format_string=u'[{record.time:%Y-%m-%dT%H:%M:%SZ}] {record.level_name}: {record.channel}: {record.message}'
))
def set_site(self, site):
self.site = site
ready = signal('sighandlers_loaded')
ready.connect(self.attach_handler)
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