def __init__(self, workspace=None):
"""
Initialize the Validator.
A workspace may be provided for an easy parameter configuration,
such as location and extension of descriptors, verbosity level, etc.
:param workspace: SONATA workspace object
"""
self._workspace = workspace
self._syntax = True
self._integrity = True
self._topology = True
# create "virtual" workspace if not provided (don't actually create
# file structure)
if not self._workspace:
self._workspace = Workspace('.', log_level='info')
# load configurations from workspace
self._dext = self._workspace.default_descriptor_extension
self._dpath = '.'
self._log_level = self._workspace.log_level
# configure logs
coloredlogs.install(level=self._log_level)
# descriptors storage
self._storage = DescriptorStorage()
# syntax validation
self._schema_validator = SchemaValidator(self._workspace)
# reset event logger
evtlog.reset()
