1 files changed, 98 insertions, 0 deletions
diff --git a/python/servo/platform/windows.py b/python/servo/platform/windows.py
new file mode 100644
index 00000000000..cea8de5a5dd
--- /dev/null
+++ b/python/servo/platform/windows.py
@@ -0,0 +1,98 @@
+# Copyright 2023 The Servo Project Developers. See the COPYRIGHT
+# file at the top-level directory of this distribution.
+#
+# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+# option. This file may not be copied, modified, or distributed
+# except according to those terms.
+
+import os
+import shutil
+import subprocess
+import urllib
+import zipfile
+
+from distutils.version import LooseVersion
+
+import six
+from .base import Base
+from ..util import extract, download_file
+
+DEPS_URL = "https://github.com/servo/servo-build-deps/releases/download/msvc-deps/"
+DEPENDENCIES = {
+    "cmake": "3.14.3",
+    "llvm": "15.0.5",
+    "moztools": "3.2",
+    "ninja": "1.7.1",
+    "nuget": "08-08-2019",
+    "openssl": "111.3.0+1.1.1c-vs2017-2019-09-18",
+    "gstreamer-uwp": "1.16.0.5",
+    "openxr-loader-uwp": "1.0",
+}
+
+
+class Windows(Base):
+    def __init__(self):
+        pass
+
+    @staticmethod
+    def cmake_already_installed(required_version: str) -> bool:
+        cmake_path = shutil.which("cmake")
+        if not cmake_path:
+            return False
+
+        output = subprocess.check_output([cmake_path, "--version"])
+        cmake_version_output = six.ensure_str(output).splitlines()[0]
+        installed_version = cmake_version_output.replace("cmake version ", "")
+        return LooseVersion(installed_version) >= LooseVersion(required_version)
+
+    @classmethod
+    def prepare_file(cls, deps_dir: str, zip_path: str, full_spec: str):
+        if not os.path.isfile(zip_path):
+            zip_url = "{}{}.zip".format(DEPS_URL, urllib.parse.quote(full_spec))
+            download_file(full_spec, zip_url, zip_path)
+
+        print("Extracting {}...".format(full_spec), end='')
+        try:
+            extract(zip_path, deps_dir)
+        except zipfile.BadZipfile:
+            print("\nError: %s.zip is not a valid zip file, redownload..." % full_spec)
+            os.remove(zip_path)
+            cls.prepare_file(deps_dir, zip_path, full_spec)
+        else:
+            print("done")
+
+    def _platform_bootstrap(self, cache_dir: str, _force: bool = False) -> bool:
+        deps_dir = os.path.join(cache_dir, "msvc-dependencies")
+
+        def get_package_dir(package, version) -> str:
+            return os.path.join(deps_dir, package, version)
+
+        to_install = {}
+        for (package, version) in DEPENDENCIES.items():
+            # Don't install CMake if it already exists in PATH
+            if package == "cmake" and self.cmake_already_installed(version):
+                continue
+
+            if not os.path.isdir(get_package_dir(package, version)):
+                to_install[package] = version
+
+        if not to_install:
+            return False
+
+        print("Installing missing MSVC dependencies...")
+        for (package, version) in to_install.items():
+            full_spec = '{}-{}'.format(package, version)
+
+            package_dir = get_package_dir(package, version)
+            parent_dir = os.path.dirname(package_dir)
+            if not os.path.isdir(parent_dir):
+                os.makedirs(parent_dir)
+
+            self.prepare_file(deps_dir, package_dir + ".zip", full_spec)
+
+            extracted_path = os.path.join(deps_dir, full_spec)
+            os.rename(extracted_path, package_dir)
+
+        return True