def __init__(self, config_root):
"""
Prepare Python logger based on a configuration file.
:param: config_root - current package to configure logger for it.
"""
config_file_name = TVBSettings.LOGGER_CONFIG_FILE_NAME
package = __import__(config_root, globals(), locals(), ['__init__'], 0)
package_path = package.__path__[0]
#Specify logging configuration file for current package.
if not TvbProfile.is_library_mode():
logging.config.fileConfig(os.path.join(package_path, config_file_name), disable_existing_loggers=True)
def build_logger(self, parent_module):
"""
Build a logger instance and return it
"""
self._loggers[parent_module] = logger = logging.getLogger(parent_module)
return logger
def set_loggers_level(self, level):
for logger in self._loggers.values():
logger.setLevel(level)
### We make sure a single instance of logger-builder is created.
if "GLOBAL_LOGGER_BUILDER" not in globals():
if TvbProfile.is_library_mode():
GLOBAL_LOGGER_BUILDER = LoggerBuilder('tvb.basic.logger')
else:
GLOBAL_LOGGER_BUILDER = LoggerBuilder('tvb.config.logger')
def get_logger(parent_module=''):
"""
Function to retrieve a new Python logger instance for current module.
:param parent_module: module name for which to create logger.
"""
return GLOBAL_LOGGER_BUILDER.build_logger(parent_module)
""" Return a folder, where all log files are to be stored. """
tmp_path = os.path.join(LibraryProfile.TVB_STORAGE, "logs")
if not os.path.exists(tmp_path):
os.makedirs(tmp_path)
return tmp_path
@classmethod
def initialize_profile(cls):
"""No initialization needed for this particular profile. But useful in general"""
pass
###
### Dependent of the selected profile and framework classes being present or not, load the correct configuration.
###
if TvbProfile.is_library_mode():
## TVB-Simulator-Library is used stand-alone.
TVBSettings = LibraryProfile
else:
## Initialization based on profile is further done in Framework.
from tvb.config.settings import FrameworkSettings
TVBSettings = FrameworkSettings
TVBSettings.initialize_profile()