def get_condition_name(self, condition):
if 'name' in condition.attrib:
return condition.attrib['name'], TemplateConditionVariable.GLOBAL
elif 'var' in condition.attrib:
return condition.attrib['var'], TemplateConditionVariable.LOCAL
elif 'bot' in condition.attrib:
return condition.attrib['bot'], TemplateConditionVariable.BOT
else:
names = condition.findall('name')
if names:
if len(names) > 1:
raise ParserException("Condition element has multiple name elements", xml_element=condition)
name_text = self.get_text_from_element(condition.find('name'))
return name_text, TemplateConditionVariable.GLOBAL
vars = condition.findall('var')
if vars:
if len(vars) > 1:
raise ParserException("Condition element has multiple var elements", xml_element=condition)
var_text = self.get_text_from_element(condition.find('var'))
return var_text, TemplateConditionVariable.LOCAL
bots = condition.findall('bot')
if bots:
if len(bots) > 1:
raise ParserException("Condition element has multiple bot elements", xml_element=condition)
bot_text = self.get_text_from_element(condition.find('bot'))
return bot_text, TemplateConditionVariable.BOT
return None, TemplateConditionVariable.DEFAULT
def set_attrib(self, attrib_name, attrib_value):
if attrib_name != 'index':
raise ParserException("Invalid attribute name [%s] for this node" % (attrib_name))
if isinstance(attrib_value, int):
int_val = attrib_value
self._sentence = int_val
else:
splits = attrib_value.split(",")
if len(splits) == 1:
try:
self._sentence = int(splits[0])
except Exception as excep:
YLogger.exception(self, "Failed to split string", excep)
raise ParserException("None numeric format [%s] for this node [%s], either 'x' or 'x,y'",
attrib_value, attrib_name)
elif len(splits) == 2:
try:
self._question = int(splits[0])
if splits[1] == '*':
self._sentence = -1
else:
self._sentence = int(splits[1])
except Exception as excep:
YLogger.exception(self, "Failed to split string", excep)
raise ParserException("None numeric format [%s] for this node [%s], either 'x', 'x,y', or 'x,*'",
attrib_value, attrib_name)
if self._sentence == 0:
raise ParserException("Sentence values are 1 based, cannot be 0")
if self._question == 0:
raise ParserException("Question values are 1 based, cannot be 0")
def parse_topic(self, topic_element, namespace):
if 'name' in topic_element.attrib:
name = topic_element.attrib['name']
if name is None or not name:
raise ParserException("Topic name empty or null",
xml_element=topic_element)
xml = "<topic>%s</topic>" % name
YLogger.info(self, "Topic attrib converted to %s", xml)
topic_pattern = ET.fromstring(xml)
else:
raise ParserException("Missing name attribute for topic",
xml_element=topic_element)
category_found = False
num_category = 0
for child in topic_element:
tag_name, _ = self.tag_and_namespace_from_text(child.tag)
if tag_name == 'category':
self.parse_category(child, namespace, topic_pattern)
category_found = True
num_category += 1
else:
raise ParserException("Unknown child node of topic, %s" %
child.tag,
xml_element=topic_element)
if category_found is False:
raise ParserException("No categories in topic",
xml_element=topic_element)
return num_category
def can_add(self, new_node):
if new_node.is_root():
raise ParserException("Cannot add root node to topic node")
if new_node.is_topic():
raise ParserException("Cannot add topic node to topic node")
if new_node.is_that():
raise ParserException("Cannot add that node to topic node")
def can_add(self, new_node: PatternNode):
if new_node.is_root():
raise ParserException("Cannot add root node to existing root node")
if new_node.is_topic():
raise ParserException("Cannot add topic node to root node")
if new_node.is_that():
raise ParserException("Cannot add that node to root node")
if new_node.is_template():
raise ParserException("Cannot add template node to root node")
def get_pattern(self, category_xml, namespace):
patterns = self.find_all(category_xml, "pattern", namespace)
if not patterns:
raise ParserException("No pattern node found in category",
xml_element=category_xml)
elif len(patterns) > 1:
raise ParserException("Multiple <pattern> nodes found in category",
xml_element=category_xml)
else:
return patterns[0]
def set_attrib(self, attrib_name, attrib_value):
if attrib_name != 'level' and attrib_name != 'output':
raise ParserException("Invalid attribute name %s for this node",
attrib_name)
if attrib_value not in ['debug', 'info', 'warning', 'error'] and \
attrib_value not in ["logging", "print"]:
raise ParserException(
"Invalid attribute value %s for this node %s", attrib_value,
attrib_name)
self._level = attrib_value
def parse_expression(self, graph, expression):
super(TemplateAddTripleNode, self).parse_expression(graph, expression)
if self._subj is None:
raise ParserException("<%s> node missing subject attribue/element"%self.node_name)
if self._pred is None:
raise ParserException("<%s> node missing predicate attribue/element"%self.node_name)
if self._obj is None:
raise ParserException("<%s> node missing object attribue/element"%self.node_name)
def set_attrib(self, attrib_name, attrib_value):
if attrib_name != 'index':
raise ParserException("Invalid attribute name [%s] for this node" % (attrib_name))
if isinstance(attrib_value, int):
self._index = attrib_value
else:
try:
self._index = int(attrib_value)
except:
raise ParserException("None numeric format [%s] for this node [%s]", attrib_value, attrib_name)
def check_aiml_tag(self, aiml, filename=None):
# Null check just to be sure
if aiml is None:
raise ParserException("Null root tag", filename=filename)
tag_name, namespace = self.tag_and_namespace_from_text(aiml.tag)
# Then if check is just <aiml>, thats OK
if tag_name != 'aiml':
raise ParserException("Root tag is not <aiml>", filename=filename)
return tag_name, namespace
def test_parser_exception_xml_as_string(self):
element = ET.fromstring("<template />")
exception = ParserException("message",
filename="test.xml",
xml_exception="xml_exception_error",
xml_element=element)
self.assertEqual("message", exception.message)
self.assertEqual("test.xml", exception.filename)
self.assertEqual("xml_exception_error", exception.xml_exception)
self.assertEqual(element, exception._xml_element)
self.assertEqual("message in [test.xml] : xml_exception_error",
exception.format_message())
def get_template(self, category_xml, namespace):
templates = self.find_all(category_xml, "template", namespace)
if not templates:
raise ParserException("No template node found in category",
xml_element=category_xml)
elif len(templates) > 1:
raise ParserException(
"Multiple <template> nodes found in category",
xml_element=category_xml)
else:
return self._template_parser.parse_template_expression(
templates[0])
def parse_query(self, graph, query_name, query):
for child in query:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'subj':
if child.text is not None and child.text.startswith("?"):
if child.text not in self.vars:
YLogger.debug(
self,
"Variable [%s] defined in query element [%s], but not in vars!",
child.text, tag_name)
self.vars.append(child.text)
subj = self.parse_children_as_word_node(graph, child)
elif tag_name == 'pred':
if child.text is not None and child.text.startswith("?"):
if child.text not in self.vars:
YLogger.debug(
self,
"Variable [%s] defined in query element [%s], but not in vars!",
child.text, tag_name)
self.vars.append(child.text)
pred = self.parse_children_as_word_node(graph, child)
elif tag_name == 'obj':
if child.text is not None and child.text.startswith("?"):
if child.text not in self.vars:
YLogger.debug(
self,
"Variable [%s] defined in query element [%s], but not in vars!",
child.text, tag_name)
self.vars.append(child.text)
obj = self.parse_children_as_word_node(graph, child)
else:
YLogger.warning(self, "Unknown tag name [%s] in select query",
tag_name)
if subj is None:
raise ParserException("<subj> element missing from select query")
if pred is None:
raise ParserException("<pred> element missing from select query")
if obj is None:
raise ParserException("<obj> element missing from select query")
if query_name == "q":
self._queries.append(Query(subj, pred, obj))
else:
self._queries.append(NotQuery(subj, pred, obj))
def add_that_to_node(self, that_element, base_node, userid="*"):
try:
current_node = self._pattern_factory.new_node_class('that')(userid)
current_node = base_node.add_that(current_node)
head_text = self.get_text_from_element(that_element)
if head_text is not None:
current_node = self._parse_text(TextUtils.strip_whitespace(head_text), current_node)
added_child = False
for sub_element in that_element:
new_node = self.node_from_element(sub_element)
current_node = current_node.add_child(new_node)
tail_text = self.get_tail_from_element(sub_element)
if tail_text is not None:
current_node = self._parse_text(tail_text, current_node)
added_child = True
if head_text is None:
if added_child is False:
raise ParserException("That node text is empty", xml_element=that_element)
return current_node
except ParserException as parser_excep:
parser_excep.xml_element = that_element
raise parser_excep
def __init__(self, wildcard, userid='*'):
PatternNode.__init__(self, userid)
if wildcard not in self.matching_wildcards():
raise ParserException(
"%s not in valid wildcards %s" %
(wildcard, ", ".join(self.matching_wildcards())))
self._wildcard = wildcard
def parse_type3_condition(self, graph, expression):
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name in ['name', 'var', 'bot']:
pass
elif tag_name == 'li':
list_item = TemplateConditionListItemNode()
name, var_type = self.get_condition_name(child)
list_item._name = name
list_item._var_type = var_type
list_item._value = self.get_condition_value(graph, child)
self.children.append(list_item)
list_item.parse_text(graph, self.get_text_from_element(child))
for sub_pattern in child:
if sub_pattern.tag in ['name', 'var', 'bot', 'value']:
pass
elif sub_pattern.tag == 'loop':
list_item.loop = True
else:
graph.parse_tag_expression(sub_pattern, list_item)
tail_text = self.get_tail_from_element(sub_pattern)
list_item.parse_text(graph, tail_text)
else:
raise ParserException("Invalid element <%s> in condition element" % (tag_name), xml_element=expression)
def parse_expression(self, graph, expression):
name_found = False
if 'name' in expression.attrib:
self.name = self.parse_attrib_value_as_word_node(
graph, expression, 'name')
name_found = True
self.parse_text(graph, self.get_text_from_element(expression))
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'name':
self.name = self.parse_children_as_word_node(graph, child)
self.local = False
name_found = True
else:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
if name_found is False:
raise ParserException("Name not found in bot",
xml_element=expression)
def test_duplicate_grammar_exception_xml(self):
element = ET.fromstring("<template />")
xml_exception = ET.ParseError()
xml_exception.position = []
xml_exception.position.append(1)
xml_exception.position.append(2)
exception = ParserException("message",
filename="test.xml",
xml_exception=xml_exception,
xml_element=element)
self.assertEqual("message", exception.message)
self.assertEqual("test.xml", exception.filename)
self.assertEqual(xml_exception, exception.xml_exception)
self.assertEqual(element, exception._xml_element)
self.assertEqual("message in [test.xml] at [line(1), column(2)]",
exception.format_message())
def parse_expression(self, graph, expression):
li_found = False
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'li':
li_found = True
li_node = graph.get_base_node()
self.children.append(li_node)
li_node.parse_template_node(graph, child)
else:
raise ParserException("Unsupported random child tag: %s" %
(tag_name),
xml_element=expression)
if li_found is False:
raise ParserException("No li children of random element!",
xml_element=expression)
def __init__(self, attribs, text, userid='*'):
PatternNode.__init__(self, userid)
if 'name' in attribs:
self._set_name = attribs['name'].upper()
elif text:
self._set_name = text.upper()
else:
raise ParserException(
"Invalid set node, no name specified as attribute or text")
def find_that(self, category_xml, namespace):
thats = self.find_all(category_xml, "that", namespace)
if len(thats) > 1:
raise ParserException("Multiple <that> nodes found in category",
xml_element=category_xml)
elif len(thats) == 1:
that_element = thats[0]
else:
that_element = ET.fromstring("<that>*</that>")
return that_element
def parse_expression(self, graph, expression):
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'category':
parsed = graph.aiml_parser.parse_category(child,
namespace=None,
topic_element=None,
add_to_graph=False)
learn_category = LearnCategory(parsed[0], parsed[1], parsed[2],
parsed[3])
self.children.append(learn_category)
elif tag_name == 'topic':
raise ParserException("Not supported yet")
else:
raise ParserException("Invalid tag [%s] found in <learn>" %
tag_name)
def find_topic(self, category_xml, namespace, topic_element=None):
topics = self.find_all(category_xml, "topic", namespace)
if topic_element is not None:
if topics:
raise ParserException(
"Topic exists in category AND as parent node",
xml_element=category_xml)
else:
if len(topics) > 1:
raise ParserException(
"Multiple <topic> nodes found in category",
xml_element=category_xml)
elif len(topics) == 1:
topic_element = topics[0]
else:
topic_element = ET.fromstring("<topic>*</topic>")
return topic_element
def __init__(self, attribs, text, userid='*'):
PatternNode.__init__(self, userid)
if 'name' in attribs:
self._property = attribs['name']
elif 'property' in attribs:
self._property = attribs['property']
elif text:
self._property = text
else:
raise ParserException(
"Invalid bot node, neither name or property specified as attribute or text"
)
def __init__(self, aiml_parser, root_node=None):
self._aiml_parser = aiml_parser
self.load_pattern_node_factory()
if root_node is None:
YLogger.debug(self, "Defaulting root to PatternRootNode")
self._root_node = self._pattern_factory.get_root_node()
else:
if root_node.is_root() is False:
raise ParserException("Root node needs to be of base type PatternRootNode")
self._root_node = root_node
def parse_type1_condition(self, graph, expression):
self.parse_text(graph, self.get_text_from_element(expression))
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name in ['name', 'var', 'bot', 'value']:
pass
elif tag_name == 'li':
raise ParserException("li element not allowed as child of condition element",
xml_element=expression)
elif tag_name == 'loop':
raise ParserException("This type of condition cannot have <loop /> element",
xml_element=expression)
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
def node_from_element(self, element, userid="*"):
node_name = TextUtils.tag_from_text(element.tag)
if self._pattern_factory.exists(node_name) is False:
raise ParserException("Unknown node name [%s]"%node_name)
text = None
if element.text is not None:
text = TextUtils.strip_whitespace(element.text)
node_class_instance = self._pattern_factory.new_node_class(node_name)
node_instance = node_class_instance(element.attrib, text, userid)
return node_instance
def __init__(self, attribs, text, userid='*'):
PatternNode.__init__(self, userid)
self._words = []
if 'words' in attribs:
words = attribs['words'].upper()
elif text:
words = text.upper()
else:
raise ParserException(
"Invalid iset node, no words specified as attribute or text")
self._parse_words(words)
self._iset_name = "iset_%d" % (PatternISetNode.iset_count)
PatternISetNode.iset_count += 1
def get_condition_value(self, graph, condition):
if 'value' in condition.attrib:
value_node = graph.get_base_node()
value_node.append(graph.get_word_node(condition.attrib['value']))
return value_node
else:
values = condition.findall('value')
if not values:
return None
elif len(values) > 1:
raise ParserException("Element has multiple value elements", xml_element=condition)
value_node = graph.get_base_node()
value_node.parse_template_node(graph, values[0])
return value_node
def parse_expression(self, graph, expression):
name_found = False
var_found = False
if 'name' in expression.attrib:
self.name = self.parse_attrib_value_as_word_node(graph, expression, 'name')
self.local = False
name_found = True
if 'var' in expression.attrib:
self.name = self.parse_attrib_value_as_word_node(graph, expression, 'var')
self.local = True
var_found = True
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'name':
self.name = self.parse_children_as_word_node(graph, child)
self.local = False
name_found = True
elif tag_name == 'var':
self.name = self.parse_children_as_word_node(graph, child)
self.local = True
var_found = True
elif tag_name == "tuple":
self._tuples = self.parse_children_as_word_node(graph, child)
if name_found is False and var_found is False:
raise ParserException("Invalid get, missing either name or var", xml_element=expression)
if name_found is True and var_found is True:
raise ParserException("Get node has both name AND var values", xml_element=expression)
