class TemplateGraph(object):
def __init__(self, aiml_parser=None):
self._aiml_parser = aiml_parser
self.node_lookups = None
template_nodes = None
if aiml_parser is not None:
if aiml_parser.brain is not None:
template_nodes = aiml_parser.brain.configuration.nodes.template_nodes
self._template_factory = TemplateNodeFactory()
self._template_factory.load_nodes_config_from_file(template_nodes)
@property
def aiml_parser(self):
return self._aiml_parser
#
# TEMPLATE_EXPRESSION ::== TEXT | TAG_EXPRESSION | (TEMPLATE_EXPRESSION)*
#
def parse_template_expression(self, pattern):
node = self.get_base_node()
node.parse_template_node(self, pattern)
return node
def get_node_class_by_name(self, name):
if self._template_factory.exists(name):
return self._template_factory.new_node_class(name)
else:
raise ParserException(
"No node [%s] registered in Template Node Factory" % (name))
# Helper function to return TemplateNode
def get_base_node(self):
base_class = self.get_node_class_by_name('base')
return base_class()
# Helper function to return TemplateWordNode
def get_word_node(self, text):
word_class = self.get_node_class_by_name('word')
return word_class(text)
def parse_tag_expression(self, expression, branch):
tag_name = TextUtils.tag_from_text(expression.tag)
if self._template_factory.exists(tag_name):
node_instance = self._template_factory.new_node_class(tag_name)()
node_instance.parse_expression(self, expression)
branch.children.append(node_instance)
else:
self.parse_unknown_as_xml_node(expression, branch)
#######################################################################################################
# UNKNONWN NODE
# When its a node we don't know, add it as a text node. This deals with html nodes creeping into the text
def parse_unknown_as_xml_node(self, expression, branch):
xml_node_class = self.get_node_class_by_name('xml')
xml_node = xml_node_class()
branch.children.append(xml_node)
xml_node.parse_expression(self, expression)
def assert_upload_from_file(self, store):
store.upload_from_file(
os.path.dirname(__file__) + os.sep + "data" + os.sep + "nodes" +
os.sep + "template_nodes.conf")
collection = TemplateNodeFactory()
store.load(collection)
self.assertEqual(64, len(collection.nodes))
self.assertTrue(collection.exists("lowercase"))
def test_load_variables(self):
config = FileStorageConfiguration()
config._template_nodes_storage = FileStoreConfiguration(
file=os.path.dirname(__file__) + os.sep + "data" + os.sep +
"nodes" + os.sep + "template_nodes.conf",
fileformat="text",
encoding="utf-8",
delete_on_start=False)
engine = FileStorageEngine(config)
engine.initialise()
store = FileTemplateNodeStore(engine)
collection = TemplateNodeFactory()
store.load(collection)
self.assertEqual(64, len(collection.nodes))
self.assertTrue(collection.exists("lowercase"))
class TemplateGraph(object):
def __init__(self, aiml_parser):
self._aiml_parser = aiml_parser
self.load_template_node_factory()
@property
def aiml_parser(self):
return self._aiml_parser
@property
def template_factory(self):
return self._template_factory
def load_template_node_factory(self):
template_nodes = self._aiml_parser.brain.configuration.nodes.template_nodes
self._template_factory = TemplateNodeFactory()
self._template_factory.load_nodes_config_from_file(template_nodes)
#
# TEMPLATE_EXPRESSION ::== TEXT | TAG_EXPRESSION | (TEMPLATE_EXPRESSION)*
#
def parse_template_expression(self, pattern):
node = self.get_base_node()
node.parse_template_node(self, pattern)
return node
def get_node_class_by_name(self, name):
if self._template_factory.exists(name):
return self._template_factory.new_node_class(name)
else:
raise ParserException("No node [%s] registered in Template Node Factory"%(name))
# Helper function to return TemplateNode
def get_base_node(self):
base_class = self.get_node_class_by_name('base')
return base_class()
# Helper function to return TemplateWordNode
def get_word_node(self, text):
word_class = self.get_node_class_by_name('word')
return word_class(text)
def parse_tag_expression(self, expression, branch):
tag_name = TextUtils.tag_from_text(expression.tag)
if self._template_factory.exists(tag_name):
if tag_name == "condition":
node_instance = self._template_factory.new_node_class(tag_name)()
else:
node_instance = self._template_factory.new_node_class(tag_name)()
node_instance.parse_expression(self, expression)
branch.children.append(node_instance)
else:
self.parse_unknown_as_xml_node(expression, branch)
#######################################################################################################
# UNKNONWN NODE
# When its a node we don't know, add it as a text node. This deals with html nodes creeping into the text
def parse_unknown_as_xml_node(self, expression, branch):
xml_node_class = self.get_node_class_by_name('xml')
xml_node = xml_node_class()
branch.children.append(xml_node)
xml_node.parse_expression(self, expression)
