def _parse_from_stream(self, stream, directory, file_path, address):
level_dom = self._parse_dom(stream, file_path)
# Check schema
schema_checker = SchemaChecker.SchemaChecker()
schema_checker.check_schema(file_path, self.XSD_FILE_PATH)
level_node = LoaderUtilities.find_node(file_path, level_dom, self.SUB_LEVEL + 's')
# Load important nodes
configuration_nodes = LoaderUtilities.find_nodes(file_path, level_node, 'configuration')
user_nodes = LoaderUtilities.find_nodes(file_path, level_node, 'user')
runner_nodes = LoaderUtilities.find_nodes(file_path, level_node, 'runner')
sub_level_nodes = LoaderUtilities.find_nodes(file_path, level_node, self.SUB_LEVEL)
# Parse nodes
configurations = self._parse_configurations(directory, configuration_nodes)
runner = self._parse_runner(directory, runner_nodes)
sub_levels = self._parse_level(address, directory, sub_level_nodes)
# Return structure
level_configuration = self.CONFIG_CLASS(
None,
configurations,
sub_levels,
runner = runner,
)
# We know there can be 0 or 1 node...
if len(user_nodes) > 0:
level_configuration.user = LoaderUtilities.obtain_text_safe(user_nodes[0])
return level_configuration
def _parse_restrictions(self, directory, restriction_nodes):
restrictions = []
for restrictions_node in restriction_nodes:
restriction = LoaderUtilities.obtain_text_safe(restrictions_node)
restrictions.append(
restriction
)
return restrictions
def _parse_server_type_module(self, server_type_node):
text_value = LoaderUtilities.obtain_text_safe(server_type_node)
if text_value.count('::') != 1:
raise LoaderErrors.InvalidConfigurationError(
'Unknown format: %s. module::variable expected' % text_value
)
module_name, _ = text_value.split('::')
module_inst = LoaderUtilities.obtain_from_python_path(module_name)
return module_inst
def _retrieve_variable(self, format_node):
text_value = LoaderUtilities.obtain_text_safe(format_node)
if text_value.count('::') != 1:
raise LoaderErrors.InvalidConfigurationError(
'Unknown format: %s. module::variable expected' % text_value
)
module_name, variable = text_value.split('::')
module_inst = LoaderUtilities.obtain_from_python_path(module_name)
try:
return getattr(module_inst, variable)
except AttributeError:
raise LoaderErrors.InvalidConfigurationError(
'Unknown format: couldn\'t find %s in %s' % (variable, module_name)
)
def _parse_level(self, address, directory, sub_level_nodes):
sub_level_names = [
LoaderUtilities.obtain_text_safe(sub_level_node)
for sub_level_node in sub_level_nodes
]
sub_level_parser = self.PARSER()
sub_levels_configurations = {}
for sub_level_name in sub_level_names:
sub_level_directory = os.sep.join((directory, sub_level_name))
parsed_sub_level = sub_level_parser.parse(
sub_level_directory,
self._generate_address_of_sublevel(
address,
sub_level_name
)
)
sub_levels_configurations[sub_level_name] = parsed_sub_level
return sub_levels_configurations
def _parse_implementation(self, implementation_node):
implementation_class_name = LoaderUtilities.obtain_text_safe(implementation_node)
return LoaderUtilities.obtain_from_python_path(implementation_class_name)
