Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 61 insertions, 0 deletions

diff --git a/Tools/Scripts/webkitpy/common/checkout/deps.py b/Tools/Scripts/webkitpy/common/checkout/deps.py
new file mode 100644
index 000000000..2f3a8731e
--- /dev/null
+++ b/Tools/Scripts/webkitpy/common/checkout/deps.py
@@ -0,0 +1,61 @@
+# 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,