adjutant/stacktask/utils.py
adriant 3476781a0e Changing task_settings to be built off defaults
* Larger shared default dict, which can be overwritten.
* Saves on duplication
* needed for upcoming change to notifications

Change-Id: I60bd7055abdedc0a067e90e3bcdc2dfdc3451cee
2016-02-02 10:53:53 +13:00

32 lines
858 B
Python

from copy import deepcopy
def dict_merge(a, b):
"""
Recursively merges two dicts.
If both a and b have a key who's value is a dict then dict_merge is called
on both values and the result stored in the returned dictionary.
"""
if not isinstance(b, dict):
return b
result = deepcopy(a)
for k, v in b.iteritems():
if k in result and isinstance(result[k], dict):
result[k] = dict_merge(result[k], v)
else:
result[k] = deepcopy(v)
return result
def setup_task_settings(default, task_settings):
"""
Cascading merge of the default settings, and the
settings for each task_type.
"""
new_task_settings = {}
for task, settings in task_settings.iteritems():
new_task_settings[task] = dict_merge(default, settings)
return new_task_settings