add release generating script

.gitignore

@@ -2,3 +2,5 @@ __pycache__
 .env
 .mypy_cache
 .vscode
+
+PythonSDK.zip

prepare_release.py

@@ -0,0 +1,53 @@
+import os
+from typing import List
+from zipfile import ZIP_DEFLATED, ZipFile
+
+
+def create_release(release_path: str, mods_folder: str, sdk_files: List[str]) -> None:
+    """
+    Creates a release zip.
+
+    Args:
+        release_path: The path to the release zip.
+        mods_folder: The path to the mods folder to include. Will be copied recursively.
+        sdk_files: A list of paths to the SDK's files, which will be placed in Win32. Will not copy
+                   folder structure.
+    """
+    zip_root = os.path.join("Binaries", "Win32")
+
+    with ZipFile(release_path, "w", ZIP_DEFLATED, compresslevel=9) as zip_file:
+        # Must always be placed in a folder called exactly 'Mods', regardless of where we're copying
+        #  it from
+        zipped_mods_root = os.path.join(zip_root, "Mods")
+
+        for root, _, files in os.walk(mods_folder):
+            for file_name in files:
+                file_path = os.path.join(root, file_name)
+                rel_path = os.path.relpath(file_path, mods_folder)
+                zip_file.write(file_path, os.path.join(zipped_mods_root, rel_path))
+
+        for file_path in sdk_files:
+            file_name = os.path.basename(file_path)
+            zip_file.write(file_path, os.path.join(zip_root, file_name))
+
+
+if __name__ == "__main__":
+    import traceback
+    from argparse import ArgumentParser
+
+    RELEASE_NAME = "PythonSDK.zip"
+    MODS_FOLDER = "Mods"
+
+    parser = ArgumentParser(description="Prepares a release zip. Copies the current Mods folder.")
+    parser.add_argument(
+        "sdk_files",
+        nargs="+",
+        help="The SDK's files, to be placed in Win32. Will not copy folder structure."
+    )
+    args = parser.parse_args()
+
+    try:
+        create_release(RELEASE_NAME, MODS_FOLDER, args.sdk_files)
+    except Exception:
+        traceback.print_exc()
+        input("Press enter to exit")