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@lucaspg96
Created September 15, 2022 18:43
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Simple utility config function to read yml files and override them with environment variables
import yaml
import os
from pprint import pprint
config = yaml.safe_load(open("config.yml"))
def path_to_env(path):
return path.upper()\
.replace('.','_')
def __get_defined_configs(c = config, current=""):
if isinstance(c,dict):
if not current == "":
current += '.'
paths = []
for k in c:
paths += __get_defined_configs(c[k], current+k)
return paths
else:
return [current]
def set_config(path, value):
global config
keys = path.split(".")
result = config
for i,k in enumerate(keys):
if i == len(keys)-1:
result[k] = value
continue
if not k in result:
result[k] = {}
result = result[k]
def get_config(prefix):
global config
keys = prefix.split(".")
result = config
for k in keys:
result = result.get(k, None)
return result
def load_env_configs():
for path in __get_defined_configs():
env_c = os.getenv(path_to_env(path))
if env_c is not None:
set_config(path, env_c)
load_env_configs()
print("Script configurations:")
pprint(config)
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