| # Copyright (C) 2011, Google 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 parsing and modifying ChangeLog files |
| |
| import codecs |
| import fileinput |
| import re |
| import textwrap |
| |
| |
| class DEPS(object): |
| |
| _variable_regexp = r"\s+'%s':\s+'(?P<value>\d+)'" |
| |
| def __init__(self, path): |
| # FIXME: This should take a FileSystem object. |
| self._path = path |
| |
| def read_variable(self, name): |
| pattern = re.compile(self._variable_regexp % name) |
| for line in fileinput.FileInput(self._path): |
| match = pattern.match(line) |
| if match: |
| return int(match.group("value")) |
| |
| def write_variable(self, name, value): |
| pattern = re.compile(self._variable_regexp % name) |
| replacement_line = " '%s': '%s'" % (name, value) |
| # inplace=1 creates a backup file and re-directs stdout to the file |
| for line in fileinput.FileInput(self._path, inplace=1): |
| if pattern.match(line): |
| print replacement_line |
| continue |
| # Trailing comma suppresses printing newline |
| print line, |