diff options
Diffstat (limited to 'kvmd/yamlconf/merger.py')
| -rw-r--r-- | kvmd/yamlconf/merger.py | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/kvmd/yamlconf/merger.py b/kvmd/yamlconf/merger.py new file mode 100644 index 00000000..51a168c8 --- /dev/null +++ b/kvmd/yamlconf/merger.py @@ -0,0 +1,48 @@ +# ========================================================================== # +# # +# KVMD - The main PiKVM daemon. # +# # +# Copyright (C) 2018-2022 Maxim Devaev <[email protected]> # +# # +# This program is free software: you can redistribute it and/or modify # +# it under the terms of the GNU General Public License as published by # +# the Free Software Foundation, either version 3 of the License, or # +# (at your option) any later version. # +# # +# This program is distributed in the hope that it will be useful, # +# but WITHOUT ANY WARRANTY; without even the implied warranty of # +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # +# GNU General Public License for more details. # +# # +# You should have received a copy of the GNU General Public License # +# along with this program. If not, see <https://www.gnu.org/licenses/>. # +# # +# ========================================================================== # + +from typing import Optional + + +# ===== +def _merge(dest: dict, src: dict) -> None: + for key in src: + if key in dest: + if isinstance(dest[key], dict) and isinstance(src[key], dict): + _merge(dest[key], src[key]) + continue + dest[key] = src[key] + + +def yaml_merge(dest: dict, src: dict, source_name: Optional[str]=None) -> None: + """ Merges the source dictionary into the destination dictionary. """ + + # Checking if destination is None + if dest is None: + # We can't merge into a None + raise ValueError(f"Could not merge {source_name} into None. The destination cannot be None") + + # Checking if source is None or empty + if src is None: + # If src is None or empty, there's nothing to merge + return + + _merge(dest, src) |