def substitute_env_var(string):
match = self.pattern.match(string)
if match is None:
return string
starting, env_var, remaining = match.groups()
LOG.debug(
'Found environment variable {}, will be substituted if found'.
format(env_var))
return substitute_env_var(starting) + os.getenv(
env_var, '{env.' + env_var + '}') + remaining
def initialize_default_checkpoint_store():
LOG.debug('Initialized with default YAML checkpoint store')
checkpoint_store = YamlFileStore()
checkpoint_store.configure({PATH: DEFAULT_CHECKPOINT_FILENAME})
return checkpoint_store