diff options
Diffstat (limited to 'rtemsspec/util.py')
| -rw-r--r-- | rtemsspec/util.py | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/rtemsspec/util.py b/rtemsspec/util.py index 2e491244..a1f46372 100644 --- a/rtemsspec/util.py +++ b/rtemsspec/util.py @@ -1,7 +1,7 @@ # SPDX-License-Identifier: BSD-2-Clause """ This module provides utility functions. """ -# Copyright (C) 2020, 2021 embedded brains GmbH & Co. KG +# Copyright (C) 2020, 2023 embedded brains GmbH & Co. KG # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions @@ -33,9 +33,11 @@ import os from pathlib import Path import shutil import subprocess -from typing import Any, List, Optional, Union +from typing import Any, List, Optional, Set, Union import yaml +from rtemsspec.items import ItemMapper + def base64_to_hex(data: str) -> str: """ Converts the data from base64 to hex. """ @@ -79,6 +81,42 @@ def copy_files(src_dir: str, dst_dir: str, files: List[str], shutil.copy2(src_file, dst_file) +def copy_and_substitute(src_file: str, dst_file: str, mapper: ItemMapper, + log_context: str) -> None: + """ + Copies the file from the source to the destination path and performs a + variable substitution on the file content using the item mapper. + """ + logging.info("%s: read: %s", log_context, src_file) + with open(src_file, "r", encoding="utf-8") as src: + logging.info("%s: substitute using mapper of item %s", log_context, + mapper.item.uid) + content = mapper.substitute(src.read()) + logging.info("%s: write: %s", log_context, dst_file) + os.makedirs(os.path.dirname(dst_file), exist_ok=True) + with open(dst_file, "w+", encoding="utf-8") as dst: + dst.write(content) + + +def remove_empty_directories(scope: str, base: str) -> None: + """ + Recursively removes all empty subdirectories of base and base itself if it + gets empty. + + The scope is used for log messages. + """ + removed: Set[str] = set() + for root, subdirs, files in os.walk(base, topdown=False): + if files: + continue + if any(subdir for subdir in subdirs + if os.path.join(root, subdir) not in removed): + continue + logging.info("%s: remove empty directory: %s", scope, root) + os.rmdir(root) + removed.add(root) + + def load_config(config_filename: str) -> Any: """ Loads the configuration file with recursive includes. """ |