Update project files to build with libuv and the timer module

script/libuv.py

@@ -22,6 +22,25 @@ def ensure_dir(dir):
 
   os.makedirs(dir)
 
+def rmtree_onerror(func, path, exc_info):
+  """
+  Error handler for ``shutil.rmtree``.
+
+  If the error is due to an access error (read only file)
+  it attempts to add write permission and then retries.
+
+  If the error is for another reason it re-raises the error.
+
+  Usage : ``shutil.rmtree(path, onerror=rmtree_onerror)``
+  """
+  import stat
+  if not os.access(path, os.W_OK):
+    # Is the error an access error?
+    os.chmod(path, stat.S_IWUSR)
+    func(path)
+  else:
+    raise
+
 
 def download_libuv():
   """Clones libuv into build/libuv and checks out the right version."""
@@ -30,7 +49,7 @@ def download_libuv():
   # version number in this script changes.
   if os.path.isdir(LIB_UV_DIR):
     print("Cleaning output directory...")
-    shutil.rmtree(LIB_UV_DIR)
+    shutil.rmtree(LIB_UV_DIR, onerror=rmtree_onerror)
 
   ensure_dir("build")
 
@@ -84,9 +103,7 @@ def build_libuv_linux():
 
 
 def build_libuv_windows():
-  # TODO: Implement me!
-  print("Building for Windows not implemented yet.")
-  sys.exit(1)
+  run(["cmd", "/c", "vcbuild.bat", "release"], cwd=LIB_UV_DIR)
 
 
 def build_libuv():