blob: f330634e0f9795e433385281ca189e22ff3daa09 [file] [log] [blame]
# Copyright 2017 The Tulsi Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the 'License');
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an 'AS IS' BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Logging routines used by Tulsi scripts."""
import logging
import logging.handlers
import os
import sys
class Logger(object):
"""Tulsi specific logging."""
def __init__(self):
logging_dir = os.path.expanduser('~/Library/Application Support/Tulsi')
if not os.path.exists(logging_dir):
os.mkdir(logging_dir)
logfile = os.path.join(logging_dir, 'build_log.txt')
# Currently only creates a single logger called 'tulsi_logging'. If
# additional loggers are needed, consider adding a name attribute to the
# Logger.
self._logger = logging.getLogger('tulsi_logging')
self._logger.setLevel(logging.INFO)
try:
file_handler = logging.handlers.RotatingFileHandler(logfile,
backupCount=20)
file_handler.setLevel(logging.INFO)
# Create a new log file for each build.
file_handler.doRollover()
self._logger.addHandler(file_handler)
except (IOError, OSError) as err:
filename = 'none'
if hasattr(err, 'filename'):
filename = err.filename
sys.stderr.write('Failed to set up logging to file: %s (%s).\n' %
(os.strerror(err.errno), filename))
sys.stderr.flush()
console = logging.StreamHandler()
console.setLevel(logging.INFO)
self._logger.addHandler(console)
def log_bazel_message(self, message):
self._logger.info(message)
def log_action(self, action_name, action_id, seconds, start=None, end=None):
"""Logs the start, duration, and end of an action."""
del action_id # Unused by this logger.
if start:
self._logger.info('<**> %s start: %f', action_name, start)
# Log to file and print to stdout for display in the Xcode log.
self._logger.info('<*> %s completed in %0.3f ms',
action_name, seconds * 1000)
if end:
self._logger.info('<**> %s end: %f', action_name, end)