Beginnings of some msvs_... emulation (windows ninja)

pylib/gyp/win_tool.py

+#!/usr/bin/env python
+
+# Copyright (c) 2012 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Utility functions for Windows builds.
+
+These functions are executed via gyp-win-tool when using the ninja generator.
+"""
+
+import os
+import shutil
+import sys
+
+
+def main(args):
+  executor = WinTool()
+  exit_code = executor.Dispatch(args)
+  if exit_code is not None:
+    sys.exit(exit_code)
+
+
+class WinTool(object):
+  """This class performs all the Windows tooling steps. The methods can either
+  be executed directly, or dispatched from an argument list."""
+
+  def Dispatch(self, args):
+    """Dispatches a string command to a method."""
+    if len(args) < 1:
+      raise Exception("Not enough arguments")
+
+    method = "Exec%s" % self._CommandifyName(args[0])
+    return getattr(self, method)(*args[1:])
+
+  def _CommandifyName(self, name_string):
+    """Transforms a tool name like recursive-mirror to RecursiveMirror."""
+    return name_string.title().replace('-', '')
+
+  def ExecRecursiveMirror(self, source, dest):
+    """Emulation of rm -rf out && cp -af in out."""
+    if os.path.exists(dest):
+      if os.path.isdir(dest):
+        shutil.rmtree(dest)
+      else:
+        os.unlink(dest)
+    if os.path.isdir(source):
+      shutil.copytree(source, dest)
+    else:
+      shutil.copy2(source, dest)
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))