| #!/usr/bin/env python |
| # |
| # Copyright (C) 2018 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. |
| # |
| |
| |
| class Logger(object): |
| """A class to log messages to a list of strings. |
| |
| Attributes: |
| log_message: a list of strings, containing the log messages. |
| log_indent: integer, representing the index level |
| """ |
| |
| def __init__(self): |
| self.log_message = [] |
| self.log_indent = 0 |
| |
| def Clear(self): |
| """Clears the log buffer.""" |
| self.log_message = [] |
| self.log_indent = 0 |
| |
| def Get(self): |
| """Retruns a list of all log message strings.""" |
| return self.log_message |
| |
| def Println(self, msg): |
| """Stores a new string `msg` to the log buffer.""" |
| indent = " " * self.log_indent |
| if msg and type(msg) is not str: |
| msg = str(msg) |
| self.log_message.append(indent + msg) |
| |
| def Indent(self): |
| """Increase indent of log message.""" |
| self.log_indent += 1 |
| |
| def Unindent(self): |
| """Decrease indent of log message.""" |
| if self.log_indent > 0: |
| self.log_indent -= 1 |
