ShipGeoConfig Namespace Reference

Classes
class	_SingletonDict
class	AttrDict
class	Config
class	ConfigRegistry

Functions
	expand_env (string)

Function Documentation

expand_env()

ShipGeoConfig.expand_env

(

string

)

Expand environment variables in string:
$HOME/bin -> /home/user/bin

Definition at line 10 of file ShipGeoConfig.py.

def expand_env(string):
    """
    Expand environment variables in string:
    $HOME/bin -> /home/user/bin
    """
    while True:
        m = re.search("(\${*(\w+)}*)", string)
        if m is None:
            break
        (env_token, env_name) = m.groups()
        assert env_name in os.environ, "Environment variable '%s' is not defined" % env_name
        env_value = os.environ[env_name]
        string = string.replace(env_token, env_value)
    return string