Ticket8814: Added logic to respect .zip backup when present

Author: Chsudeepta

installation_and_upgrade/ibex_install_utils/tasks/backup_tasks.py

@@ -106,14 +106,43 @@ def backup_checker(self) -> None:
         """
         for path in (EPICS_PATH, PYTHON_3_PATH, GUI_PATH):
             path_to_backup = self._path_to_backup(path)
-            if not os.path.exists(os.path.join(path_to_backup, "VERSION.txt")):
+            backup_folder_exists = True
+            backup_zip_exists = False
+            file_to_check = 'VERSION.txt'
+            if not os.path.exists(os.path.join(path_to_backup, file_to_check)):
+                backup_folder_exists = False
+            if not backup_folder_exists:
+                backup_zip_exists = True
+                #The backup might be in the zip files instead of folders
+                backup_zip_file = os.path.join(path_to_backup + ".zip")
+                if os.path.exists(backup_zip_file):
+                    #Extract the file name without extension.
+                    backup_file_name = os.path.basename(path_to_backup)
+                    with zipfile.ZipFile(backup_zip_file, 'r') as backup_ref:
+                        if not file_to_check in backup_ref.namelist():
+                            backup_zip_exists = False
+                else:
+                    backup_zip_exists = False
+
+            if not backup_folder_exists and not backup_zip_exists:
                 self.prompt.prompt_and_raise_if_not_yes(
                     f"Error found with backup. Backup failed at '{path_to_backup}'. "
                     "Please backup manually."
                 )
 
         for path in (SETTINGS_DIR, AUTOSAVE, EPICS_UTILS_PATH):
-            if not os.path.exists(self._path_to_backup(path)):
+            #Either the folder or the corresponding .zip file should exist
+            if (not os.path.exists(self._path_to_backup(path))
+                    and not os.path.exists(self._path_to_backup(path) + ".zip")):
+                self.prompt.prompt_and_raise_if_not_yes(
+                    f"Error found with backup. '{path}' did not back up properly. "
+                    "Please backup manually."
+                )
+
+        for path in (SETTINGS_DIR, AUTOSAVE, EPICS_UTILS_PATH):
+            #Either the folder or the corresponding .zip file should exist
+            if (not os.path.exists(self._path_to_backup(path))
+                    and not os.path.exists(self._path_to_backup(path) + ".zip")):
                 self.prompt.prompt_and_raise_if_not_yes(
                     f"Error found with backup. '{path}' did not back up properly. "
                     "Please backup manually."