def get(cls, key, alt=None):
if not cls._loaded:
raise RuntimeError("Attempting to access SettingsManager "
"before it has been loaded.")
checksum = Tools.checksum_file(cls._settings_file)
if checksum != cls._checksum:
cls.load_settings()
return cls._parameters.get(key) or alt
def load_settings(cls,
settings_file=DEFAULT_SETTINGS_PATH,
reloading=False):
loaded = False
# load yaml settings file
path = cls._settings_file = os.environ.get(ENV.settings, None)
if path is None:
path = cls._settings_file = os.path.join(os.path.dirname(__file__),
settings_file)
checksum = Tools.checksum_file(path)
if reloading or checksum != cls._checksum:
for i in range(1, MAX_REGEX + 1):
cls._parameters["fileRegex%i" % i] = dict()
with open(path, "r") as file_:
settings = yaml.safe_load(file_)
# TODO implement value check
# TODO check if interger for port value
# TODO check if diffFileName has been defined
# TODO should be better than this hack
exceptions = ["fileregex%i" % i for i in range(1, MAX_REGEX + 1)]
settings = compact_dict(settings, exceptions=exceptions)
# set up with class variables
for key in cls._parameters.keys():
for set_key, value in settings.items():
if set_key.lower() == key.lower() and value is not None:
cls._parameters[key] = value
cls._parameters = dict(cls._parameters)
cls._loaded = loaded = True
cls._checksum = checksum
return loaded
