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# ========================================================================== #
# #
# 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/>. #
# #
# ========================================================================== #
# =====
def yaml_merge(dest: dict, src: dict, src_name: str="") -> 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 {src_name or 'config'} into None. The destination cannot be None")
# Checking if source is None or empty
if not src:
# If src is None or empty, there's nothing to merge
return
_merge(dest, src)
# ======
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]
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