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Diffstat (limited to 'WebKitTools/Scripts/webkitpy/common/system/deprecated_logging.py')
-rw-r--r-- | WebKitTools/Scripts/webkitpy/common/system/deprecated_logging.py | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/WebKitTools/Scripts/webkitpy/common/system/deprecated_logging.py b/WebKitTools/Scripts/webkitpy/common/system/deprecated_logging.py new file mode 100644 index 0000000..ba1c5eb --- /dev/null +++ b/WebKitTools/Scripts/webkitpy/common/system/deprecated_logging.py @@ -0,0 +1,85 @@ +# Copyright (c) 2009, Google Inc. All rights reserved. +# Copyright (c) 2009 Apple Inc. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# WebKit's Python module for logging +# This module is now deprecated in favor of python's built-in logging.py. + +import os +import sys + +def log(string): + print >> sys.stderr, string + +def error(string): + log("ERROR: %s" % string) + exit(1) + +# Simple class to split output between multiple destinations +class tee: + def __init__(self, *files): + self.files = files + + def write(self, string): + for file in self.files: + file.write(string) + +class OutputTee: + def __init__(self): + self._original_stdout = None + self._original_stderr = None + self._files_for_output = [] + + def add_log(self, path): + log_file = self._open_log_file(path) + self._files_for_output.append(log_file) + self._tee_outputs_to_files(self._files_for_output) + return log_file + + def remove_log(self, log_file): + self._files_for_output.remove(log_file) + self._tee_outputs_to_files(self._files_for_output) + log_file.close() + + @staticmethod + def _open_log_file(log_path): + (log_directory, log_name) = os.path.split(log_path) + if log_directory and not os.path.exists(log_directory): + os.makedirs(log_directory) + return open(log_path, 'a+') + + def _tee_outputs_to_files(self, files): + if not self._original_stdout: + self._original_stdout = sys.stdout + self._original_stderr = sys.stderr + if files and len(files): + sys.stdout = tee(self._original_stdout, *files) + sys.stderr = tee(self._original_stderr, *files) + else: + sys.stdout = self._original_stdout + sys.stderr = self._original_stderr |