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| 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
| 3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
| 4 | 4 |
| 5 """ Error and information logging for IDL """ | 5 """ Error and information logging for IDL """ |
| 6 | 6 |
| 7 # | |
| 8 # IDL Log | |
| 9 # | |
| 10 # And IDLLog object provides a mechanism for capturing logging output | |
| 11 # and/or sending out via a file handle (usually stdout or stderr). | |
| 12 # | |
| 13 import sys | 7 import sys |
| 14 | 8 |
| 15 | 9 |
| 16 class IDLLog(object): | 10 class IDLLog(object): |
| 11 """Captures and routes logging output. |
| 12 |
| 13 Caputres logging output and/or sends out via a file handle, typically |
| 14 stdout or stderr. |
| 15 """ |
| 17 def __init__(self, name, out): | 16 def __init__(self, name, out): |
| 18 if name: | 17 if name: |
| 19 self.name = '%s : ' % name | 18 self._name = '%s : ' % name |
| 20 else: | 19 else: |
| 21 self.name = '' | 20 self._name = '' |
| 22 | 21 |
| 23 self.out = out | 22 self._out = out |
| 24 self.capture = False | 23 self._capture = False |
| 25 self.console = True | 24 self._console = True |
| 26 self.log = [] | 25 self._log = [] |
| 27 | 26 |
| 28 def Log(self, msg): | 27 def Log(self, msg): |
| 29 line = "%s\n" % (msg) | 28 if self._console: |
| 30 if self.console: self.out.write(line) | 29 line = "%s\n" % (msg) |
| 31 if self.capture: | 30 self._out.write(line) |
| 32 self.log.append(msg) | 31 if self._capture: |
| 33 | 32 self._log.append(msg) |
| 34 def LogTag(self, msg): | |
| 35 line = "%s%s\n" % (self.name, msg) | |
| 36 if self.console: self.out.write(line) | |
| 37 if self.capture: | |
| 38 self.log.append(msg) | |
| 39 | 33 |
| 40 def LogLine(self, filename, lineno, pos, msg): | 34 def LogLine(self, filename, lineno, pos, msg): |
| 41 line = "%s(%d) : %s%s\n" % (filename, lineno, self.name, msg) | 35 if self._console: |
| 42 if self.console: self.out.write(line) | 36 line = "%s(%d) : %s%s\n" % (filename, lineno, self._name, msg) |
| 43 if self.capture: self.log.append(msg) | 37 self._out.write(line) |
| 38 if self._capture: |
| 39 self._log.append(msg) |
| 44 | 40 |
| 45 def SetConsole(self, enable, out = None): | 41 def SetConsole(self, enable): |
| 46 self.console = enable | 42 self._console = enable |
| 47 if out: self.out = out | |
| 48 | 43 |
| 49 def SetCapture(self, enable): | 44 def SetCapture(self, enable): |
| 50 self.capture = enable | 45 self._capture = enable |
| 51 | 46 |
| 52 def DrainLog(self): | 47 def DrainLog(self): |
| 53 out = self.log | 48 out = self._log |
| 54 self.log = [] | 49 self._log = [] |
| 55 return out | 50 return out |
| 56 | 51 |
| 57 ErrOut = IDLLog('Error', sys.stderr) | 52 ErrOut = IDLLog('Error', sys.stderr) |
| 58 WarnOut = IDLLog('Warning', sys.stdout) | 53 WarnOut = IDLLog('Warning', sys.stdout) |
| 59 InfoOut = IDLLog('', sys.stdout) | 54 InfoOut = IDLLog('', sys.stdout) |
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