class _LenseConfig(object):
"""
Private class for constructing a configuration object.
"""
def __init__(self, conf):
# Configuration file
self.conf = conf
# JSON object manager
self.json = JSONObject()
# Configuration collection
self.collection = self._build_config()
def _build_config(self):
"""
Internal method to build the configuration collection.
"""
# Parse the default and user configuration files
def_config = self.json.from_config_file(self.conf.replace('.json', '.default.json'))
usr_config = {} if not isfile(self.conf) else self.json.from_config_file(self.conf)
# Merge the configuration files
for section, attrs in def_config.iteritems():
if not section in usr_config:
usr_config[section] = attrs
else:
for key, value in attrs.iteritems():
if not key in usr_config[section]:
usr_config[section][key] = value
# Scan for substitution values
for section, attrs in usr_config.iteritems():
for key, value in attrs.iteritems():
# If processing a relative path
if isinstance(value, str) and re.match(r'^[^\/][\/]+', value):
usr_config[section][key] = '{}/{}'.format(PKG_ROOT, value)
# Parse the configuration file
return Collection(usr_config).get()
def __init__(self, conf):
# Configuration file
self.conf = conf
# JSON object manager
self.json = JSONObject()
# Configuration collection
self.collection = self._build_config()
