scripts/project-tools/get_blender_3-6-8.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+
+import email.utils
+import glob
+import hashlib
+import os
+import pathlib
+import requests
+import shutil
+import json
+
+
+def download_file(url, out_folder):
+    print("Downloading: " + url)
+    local_filename = out_folder / url.split('/')[-1]
+    # NOTE the stream=True parameter below
+    with requests.get(url, stream=True) as r:
+        r.raise_for_status()
+        with open(local_filename, 'wb') as f:
+            for chunk in r.iter_content(chunk_size=None):
+                if chunk:
+                    f.write(chunk)
+    return local_filename
+
+
+def shasum_matches(file, sha_sum):
+    with open(file, "rb") as f:
+        digest = hashlib.file_digest(f, "sha256")
+        return digest.hexdigest() == sha_sum
+
+
+current_file_folder_path = pathlib.Path(__file__).parent
+download_folder_path = (
+    current_file_folder_path / "../../shared/artifacts/blender"
+).resolve()
+
+
+os.makedirs(download_folder_path, exist_ok=True)
+
+# Get all urls for the blender builds
+backup_folder_path = download_folder_path / "previous/current_snapshot"
+# This can happen if someone has run the rollback script, so we need to check for it.
+backup_exists = (download_folder_path / "previous/00").exists()
+
+os.makedirs(download_folder_path, exist_ok=True)
+
+if not backup_exists:
+    # Backup the old files
+    os.makedirs(backup_folder_path, exist_ok=True)
+
+    for f in os.listdir(download_folder_path):
+        path_to_file = download_folder_path / f
+        if path_to_file.is_file():
+            shutil.copy(path_to_file, backup_folder_path)
+
+updated_current_files = False
+for file in download_folder_path.iterdir():
+    if file.is_file():
+        os.remove(file)
+        updated_current_files = True
+
+
+files_to_download = [
+    "https://builder.blender.org/download/daily/archive/blender-3.6.8-stable+v36.c331462fc870-darwin.arm64-release.dmg",
+    "https://builder.blender.org/download/daily/archive/blender-3.6.8-stable+v36.c331462fc870-darwin.arm64-release.dmg.sha256",
+    "https://builder.blender.org/download/daily/archive/blender-3.6.8-stable+v36.c331462fc870-darwin.x86_64-release.dmg",
+    "https://builder.blender.org/download/daily/archive/blender-3.6.8-stable+v36.c331462fc870-darwin.x86_64-release.dmg.sha256",
+    "https://builder.blender.org/download/daily/archive/blender-3.6.8-stable+v36.c331462fc870-linux.x86_64-release.tar.xz",
+    "https://builder.blender.org/download/daily/archive/blender-3.6.8-stable+v36.c331462fc870-linux.x86_64-release.tar.xz.sha256",
+    "https://builder.blender.org/download/daily/archive/blender-3.6.8-stable+v36.c331462fc870-windows.amd64-release.zip",
+    "https://builder.blender.org/download/daily/archive/blender-3.6.8-stable+v36.c331462fc870-windows.amd64-release.zip.sha256",
+]
+
+
+for link in files_to_download:
+    download_file(url=link, out_folder=download_folder_path)
+
+# Save download date for use in the rollback script
+with open(download_folder_path / "download_date", "w") as date_file:
+    date_file.write(email.utils.formatdate(localtime=True))
+print("Updated to the latest files")
+
+if updated_current_files:
+    backup_path = download_folder_path / "previous"
+    if not backup_exists:
+        # Put the current backup first in the directory listing
+        os.rename(backup_folder_path, backup_path / "00")
+    backup_dirs = os.listdir(backup_path)
+    backup_dirs.sort(reverse=True)
+
+    # Remove older backup folders if there are more than 10
+    folders_to_remove = len(backup_dirs) - 10
+    if folders_to_remove > 0:
+        for dir in backup_dirs[:folders_to_remove]:
+            shutil.rmtree(backup_path / dir)
+        backup_dirs = backup_dirs[folders_to_remove:]
+
+    # Bump all folder names
+    # Assign a number to each file, reverse the processing order to not overwrite any files.
+    folder_number = len(backup_dirs)
+    for dir in backup_dirs:
+        old_dir = backup_path / dir
+        os.rename(old_dir, backup_path / str(folder_number).zfill(2))
+        folder_number -= 1
+else:
+    if not backup_exists:
+        shutil.rmtree(backup_folder_path)