Easily find and read application configuration files.
Project description
ccaConfig
a config file utility. Will read yaml formatted config files from various locations in the following order, so that the 'nearer' files override the further ones. Finally, it checks the environment for variables and overrides any set in the config file.
The order of files to read is
/etc/appname.yaml
/etc/appname/appname.yaml
$HOME/.config/appname.yaml
$HOME/Library/Preferences/appname.yaml
$HOME/.appname.yaml
$(pwd)/appname.yaml
Any environment variables of the form
APPNAME_VARIABLENAME
will be found, chopped at the underscore, lower cased and set into the
final configuration i.e: config[variablename]
will exist if there is an
environment variable APPNAME_VARIABLENAME
.
Usage
from ccaconfig.config import ccaConfig
cf = ccaConfig(appname="appname")
config = cf.envOverride()
or, to not take environment variables into account:
from ccaconfig.config import ccaConfig
cf = ccaConfig(appname="appname")
config = cf.findConfig()
Two additional dictionaries can be supplied, the first defaultd
can be
used to set a default config, and the 2nd, overrided
can be used for
config variables that you do not want overridden by any config file found
or from the environment.
from ccaconfig.config import ccaConfig
defd = {"environment": "dev"}
overd = {"product": "myapp"}
cf = ccaConfig(appname="appname", defaultd=defd, overrided=overd)
config = cf.envOverride()
# config["environment"] == "dev" if it is not overridden by a subsequent
# config file or from an environment variable
#
# config["product"] == "myapp" and will not be overridden, at all
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