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# Copyright (C) 2014 The Android Open Source Project
#
# 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.
from __future__ import print_function
import sys
class Logger(object):
class Level(object):
NoOutput, Error, Info = range(3)
class Color(object):
Default, Blue, Gray, Purple, Red = range(5)
@staticmethod
def terminalCode(color, out=sys.stdout):
if not out.isatty():
return ''
elif color == Logger.Color.Blue:
return '\033[94m'
elif color == Logger.Color.Gray:
return '\033[37m'
elif color == Logger.Color.Purple:
return '\033[95m'
elif color == Logger.Color.Red:
return '\033[91m'
else:
return '\033[0m'
Verbosity = Level.Info
@staticmethod
def log(text, level=Level.Info, color=Color.Default, newLine=True, out=sys.stdout):
if level <= Logger.Verbosity:
text = Logger.Color.terminalCode(color, out) + text + \
Logger.Color.terminalCode(Logger.Color.Default, out)
if newLine:
print(text, file=out)
else:
print(text, end="", file=out)
out.flush()
@staticmethod
def fail(msg, file=None, line=-1):
location = ""
if file:
location += file + ":"
if line > 0:
location += str(line) + ":"
if location:
location += " "
Logger.log(location, Logger.Level.Error, color=Logger.Color.Gray, newLine=False, out=sys.stderr)
Logger.log("error: ", Logger.Level.Error, color=Logger.Color.Red, newLine=False, out=sys.stderr)
Logger.log(msg, Logger.Level.Error, out=sys.stderr)
sys.exit(msg)
@staticmethod
def startTest(name):
Logger.log("TEST ", color=Logger.Color.Purple, newLine=False)
Logger.log(name + "... ", newLine=False)
@staticmethod
def testPassed():
Logger.log("PASS", color=Logger.Color.Blue)
@staticmethod
def testFailed(msg, file=None, line=-1):
Logger.log("FAIL", color=Logger.Color.Red)
Logger.fail(msg, file, line)
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