scripts/project-helper-tools/rollback_blender.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+
+import filecmp
+import os
+from pathlib import Path
+import shutil
+
+# The project base path (where shared, local and svn are located)
+PATH_BASE = Path(__file__).resolve().parent.parent.parent
+PATH_ARTIFACTS = PATH_BASE / 'shared' / 'artifacts' / 'blender'
+PATH_PREVIOUS = PATH_ARTIFACTS / 'previous'
+BACKUP_DIR = PATH_PREVIOUS / '00'
+
+if not BACKUP_DIR.exists():
+    BACKUP_DIR.mkdir()
+    # Backup the current files
+    for file in PATH_ARTIFACTS.iterdir():
+        if file.is_file():
+            shutil.copy(file, BACKUP_DIR)
+
+cur_date_file = PATH_ARTIFACTS / "download_date"
+
+paths = sorted(Path(PATH_PREVIOUS).iterdir())
+
+print("Available builds:\n")
+
+for index, path in enumerate(paths):
+    date_file = path / "download_date"
+    if not date_file.exists():
+        print("ERROR: The backup folder %s is missing a datefile, exiting!" % path)
+
+    with open(date_file, 'r') as file:
+        date = file.read().rstrip()
+
+    if filecmp.cmp(cur_date_file, date_file):
+        print("\033[1mID:\033[0m\033[100m%3i (%s) <current>\033[0m" % (index, date))
+    else:
+        print("\033[1mID:\033[0m%3i (%s)" % (index, date))
+
+print()
+
+input_error_mess = "Please select an index between 0 and " + str(len(paths) - 1)
+selected_index = 0
+
+while True:
+    index_str = input("Select which Blender build number to switch to. (press ENTER to confirm): ")
+    if not index_str.isnumeric():
+        print(input_error_mess)
+        continue
+    index = int(index_str)
+    if index >= 0 and index < len(paths):
+        selected_index = index
+        break
+    print(input_error_mess)
+
+# Remove current files and move the selected snapshot into current folder
+for file in PATH_ARTIFACTS.iterdir():
+    if file.is_file():
+        os.remove(file)
+
+for file in paths[selected_index].iterdir():
+    # Everything should be a file in here but have this check for sanity eitherway.
+    if file.is_file():
+        shutil.copy(file, PATH_ARTIFACTS)