def __init__(self):
if not Kentauros.initialised:
Kentauros.cli = CLIArgs()
Kentauros.debug = get_env_debug() or self.cli.get_debug()
Kentauros.verby = __smaller_int__(get_env_verby(), self.cli.get_verby())
Kentauros.conf = ktr_get_conf()
Kentauros.packages = OrderedDict()
Kentauros.initialised = True
def ktr_conf_from_file(conf_type: KtrConfType, file_path: str, errmsg: str=None) -> KtrConf:
"""
This factory method is used to create a :py:class:`KtrConf` instance with values that are read
from an `ini`-style configuration file and store the results in the instance's attributes.
It also stores the :py:class:`ConfigParser` object and file path, in
case they are needed later.
Arguments:
KtrConfType conf_type: type of configuration
str file_path: path to configuration file
str errmsg: error message that will be printed in case the file is not found
Returns:
KtrConf: resulting configuration object
"""
if not os.path.exists(file_path):
if get_env_debug():
print(LOG_PREFIX1 + errmsg, flush=True)
return None
config = ConfigParser()
successful = config.read(file_path)
if not successful:
if errmsg:
print(LOG_PREFIX1 + errmsg, flush=True)
return None
if "main" not in config.sections():
print(LOG_PREFIX1 + "Configuration file invalid (no 'main' section).", flush=True)
print(LOG_PREFIX2 + file_path, flush=True)
return None
basedir = None
try:
basedir = config.get("main", "basedir")
except NoOptionError:
return None
finally:
if basedir == "":
basedir = None
result = KtrConf(conf_type=conf_type, basedir=basedir)
if not result.validate():
print(LOG_PREFIX1 + "Something went wrong during configuration verification.", flush=True)
return None
else:
return result
def from_file(self, file_path: str, errmsg: str=None):
"""
This method is used to read values from an `ini`-style configuration file and store the
results in the instance's attributes.
It also stores the :py:class:`ConfigParser` object and file path, in case they were needed
along the line.
Arguments:
str file_path: path to configuration file
str errmsg: error message that will be printed in case the file is not found
Returns:
KtrConf: returns instance itself or *None* if file is not found.
"""
if not os.path.exists(file_path):
if get_env_debug():
print(LOG_PREFIX1 + errmsg, flush=True)
return None
self.file = file_path
self.conf = ConfigParser()
successful = self.conf.read(self.file)
if not successful:
if errmsg:
print(LOG_PREFIX1 + errmsg, flush=True)
return None
if "main" not in self.conf.sections():
return None
try:
self.basedir = os.path.abspath(__replace_home__(self.conf.get("main", "basedir")))
except NoOptionError:
self.basedir = None
finally:
if self.basedir == "":
self.basedir = None
if not self.validate():
print(LOG_PREFIX1 + "Not all necessary configuration options have been set.",
flush=True)
print(LOG_PREFIX2 + self.file, flush=True)
return None
else:
return self