def resolve_element_evals(self, bot, clientid, element):
new_element = ET.Element(element.tag)
new_element.text = TextUtils.strip_whitespace(element.text)
for child in element:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'eval':
eval_str = ET.tostring(child, 'utf-8').decode('ascii')
eval_str = TextUtils.strip_whitespace(eval_str)
str_val = "<template>%s</template>" % eval_str
template = ET.fromstring(str_val)
ast = bot.brain.aiml_parser.template_parser.parse_template_expression(template)
resolved = ast.resolve(bot, clientid)
new_element.text += " " + resolved
else:
new_element.append(child)
new_element.text = new_element.text.upper ()
if element.tail is not None:
new_element.tail = TextUtils.strip_whitespace(element.tail)
return new_element
def test_tag_and_namespace_from_text(self):
tag, name = TextUtils.tag_and_namespace_from_text("")
self.assertIsNotNone(tag)
self.assertEqual("", tag)
self.assertIsNone(name)
tag, name = TextUtils.tag_and_namespace_from_text("text")
self.assertIsNotNone(tag)
self.assertEqual("text", tag)
self.assertIsNone(name)
tag, name = TextUtils.tag_and_namespace_from_text("{}")
self.assertIsNotNone(tag)
self.assertEqual("{}", tag)
self.assertIsNone(name)
tag, name = TextUtils.tag_and_namespace_from_text("{http://alicebot.org/2001/AIML}")
self.assertIsNotNone(tag)
self.assertEqual("{http://alicebot.org/2001/AIML}", tag)
self.assertIsNone(name)
tag, name = TextUtils.tag_and_namespace_from_text("{http://alicebot.org/2001/AIML}aiml")
self.assertIsNotNone(tag)
self.assertEqual("aiml", tag)
self.assertIsNotNone(name)
self.assertEqual("{http://alicebot.org/2001/AIML}", name)
def _get_directions_between_addresses_response(self, origin, destination,
country, mode, units):
origin = TextUtils.urlify(origin)
destination = TextUtils.urlify(destination)
url = GoogleMaps.DIRECTIONS.format(origin, destination, country, mode,
units)
return self._get_response_as_json(url)
def resolve_element_evals(self, bot, clientid, element):
new_element = ET.Element(element.tag)
new_element.text = TextUtils.strip_whitespace(element.text)
for child in element:
if child.tag == 'eval':
eval_str = ET.tostring(child, 'utf-8').decode('ascii')
eval_str = TextUtils.strip_whitespace(eval_str)
str_val = "<template>%s</template>" % eval_str
template = ET.fromstring(str_val)
ast = bot.brain.aiml_parser.template_parser.parse_template_expression(template)
resolved = ast.resolve(bot, clientid)
new_element.text += " " + resolved
else:
new_element.append(child)
new_element.text = new_element.text.upper ()
if element.tail is not None:
new_element.tail = TextUtils.strip_whitespace(element.tail)
return new_element
def _get_distance_between_addresses(self, origin, destination, country,
mode, units):
origin = TextUtils.urlify(origin)
destination = TextUtils.urlify(destination)
url = GoogleMaps.DISTANCE.format(origin, destination, country, mode,
units)
return self._get_response_as_json(url)
def test_replace_path_seperator(self):
self.assertEquals("", TextUtils.replace_path_seperator(""))
self.assertEquals(" ", TextUtils.replace_path_seperator(" "))
self.assertEquals(os.sep, TextUtils.replace_path_seperator("/"))
self.assertEquals(".." + os.sep,
TextUtils.replace_path_seperator("../"))
self.assertEquals("\\",
TextUtils.replace_path_seperator("/", "/", "\\"))
def test_extract_namespace_and_tag(self):
tag, namespace = TextUtils._extract_namespace_and_tag("{http://alicebot.org/2001/AIML}")
self.assertEquals(None, namespace)
self.assertEquals(None, tag)
tag, namespace = TextUtils._extract_namespace_and_tag("{http://alicebot.org/2001/AIML}aiml")
self.assertEquals("{http://alicebot.org/2001/AIML}", namespace)
self.assertEquals("aiml", tag)
def test_get_tabs(self):
tabs = TextUtils.get_tabs(0)
self.assertEqual(tabs, "")
tabs = TextUtils.get_tabs(1, tabs="\t")
self.assertEqual(tabs, "\t")
tabs = TextUtils.get_tabs(5, tabs="\t")
self.assertEqual(tabs, "\t\t\t\t\t")
def test_get_tabs(self):
tabs = TextUtils.get_tabs(0)
self.assertEqual(tabs, "")
tabs = TextUtils.get_tabs(1, tabs="\t")
self.assertEqual(tabs, "\t")
tabs = TextUtils.get_tabs(5, tabs="\t")
self.assertEqual(tabs, "\t\t\t\t\t")
def node_from_element(self, element):
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)
node_instance = self._pattern_factory.new_node_class(node_name)
if 'name' in element.attrib:
return node_instance(element.attrib['name'])
else:
return node_instance(TextUtils.strip_whitespace(element.text))
def node_from_element(element):
if element.tag == 'set':
if 'name' in element.attrib:
return PatternSetNode(element.attrib['name'])
else:
return PatternSetNode(TextUtils.strip_whitespace(element.text))
elif element.tag == 'bot':
if 'name' in element.attrib:
return PatternBotNode(element.attrib['name'])
else:
return PatternBotNode(TextUtils.strip_whitespace(element.text))
else:
raise ParserException("Invalid parser graph node <%s>" % element.tag, xml_element=element)
def test_strip_all_whitespace(self):
self.assertEquals("", TextUtils.strip_all_whitespace(""))
self.assertEquals("", TextUtils.strip_all_whitespace(" "))
self.assertEquals("", TextUtils.strip_all_whitespace("\t"))
self.assertEquals("", TextUtils.strip_all_whitespace("\n"))
self.assertEquals("", TextUtils.strip_all_whitespace("\r"))
self.assertEquals("", TextUtils.strip_all_whitespace("\r\t\n"))
self.assertEquals("test", TextUtils.strip_all_whitespace("\r\t\ntest\r\t\n"))
self.assertEquals("testtest", TextUtils.strip_all_whitespace("\r\t\ntest test\r\t\n"))
self.assertEquals("testtest", TextUtils.strip_all_whitespace("\r\t\ntest\n\r\ttest\r\t\n"))
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 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 _parse_node_with_attribs(self, graph, expression):
self._name = TextUtils.tag_from_text(expression.tag)
for attrib_name in expression.attrib:
attrib_value = expression.attrib[attrib_name]
if "<" in attrib_value and ">" in attrib_value:
start = attrib_value.find("<")
end = attrib_value.rfind(">")
front = attrib_value[:start]
middle = attrib_value[start:end + 1]
back = attrib_value[end + 1:]
root = TemplateNode()
root.append(TemplateWordNode(front))
xml = ET.fromstring(middle)
xml_node = TemplateNode()
graph.parse_tag_expression(xml, xml_node)
root.append(xml_node)
root.append(TemplateWordNode(back))
self.set_attrib(attrib_name, root)
else:
self.set_attrib(attrib_name, TemplateWordNode(attrib_value))
self.parse_text(graph, self.get_text_from_element(expression))
for child in expression:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
def test_tag_and_namespace_from_text(self):
tag, name = TextUtils.tag_and_namespace_from_text("")
self.assertIsNotNone(tag)
self.assertEquals("", tag)
self.assertIsNone(name)
tag, name = TextUtils.tag_and_namespace_from_text("text")
self.assertIsNotNone(tag)
self.assertEquals("text", tag)
self.assertIsNone(name)
tag, name = TextUtils.tag_and_namespace_from_text("{http://alicebot.org/2001/AIML}aiml ")
self.assertIsNotNone(tag)
self.assertEquals("aiml", tag)
self.assertIsNotNone(name)
self.assertEquals("{http://alicebot.org/2001/AIML}", name)
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 add_that_to_node(self, that_element, base_node):
current_node = PatternThatNode()
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 = PatternGraph.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
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)
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("Error, name not found in map",
xml_element=expression)
def parse_expression(self, graph, expression):
if 'text' in expression.attrib:
self._text = graph.get_word_node(expression.attrib['text'])
if 'url' in expression.attrib:
self._url = graph.get_word_node(expression.attrib['url'])
if 'postback' in expression.attrib:
self._postback = graph.get_word_node(expression.attrib['postback'])
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'text':
self._text = self.parse_children_as_word_node(graph, child)
elif tag_name == 'url':
self._url = self.parse_children_as_word_node(graph, child)
elif tag_name == 'postback':
self._postback = self.parse_children_as_word_node(graph, child)
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
def parse_expression(self, graph, expression):
if 'subj' in expression.attrib:
self._subj = graph.get_word_node(expression.attrib['subj'])
if 'pred' in expression.attrib:
self._pred = graph.get_word_node(expression.attrib['pred'])
if 'obj' in expression.attrib:
self._obj = graph.get_word_node(expression.attrib['obj'])
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'subj':
self._subj = self.parse_children_as_word_node(graph, child)
elif tag_name == 'pred':
self._pred = self.parse_children_as_word_node(graph, child)
elif tag_name == 'obj':
self._obj = self.parse_children_as_word_node(graph, child)
else:
raise ParserException("Invalid child item in triple")
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
def parse_expression(self, graph, expression):
if 'subj' in expression.attrib:
self._subj = graph.get_word_node(expression.attrib['subj'])
if 'pred' in expression.attrib:
self._pred = graph.get_word_node(expression.attrib['pred'])
if 'obj' in expression.attrib:
self._obj = graph.get_word_node(expression.attrib['obj'])
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'subj':
self._subj = self.parse_children_as_word_node(graph, child)
elif tag_name == 'pred':
self._pred = self.parse_children_as_word_node(graph, child)
elif tag_name == 'obj':
self._obj = self.parse_children_as_word_node(graph, child)
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
def parse_expression(self, graph, expression):
if 'image' in expression.attrib:
self._image = graph.get_word_node(expression.attrib['image'])
if 'title' in expression.attrib:
self._title = graph.get_word_node(expression.attrib['title'])
if 'subtitle' in expression.attrib:
self._subtitle = graph.get_word_node(expression.attrib['subtitle'])
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'image':
self._image = self.parse_children_as_word_node(graph, child)
elif tag_name == 'title':
self._title = self.parse_children_as_word_node(graph, child)
elif tag_name == 'subtitle':
self._subtitle = self.parse_children_as_word_node(graph, child)
elif tag_name == 'button':
button_class = graph.get_node_class_by_name("button")
button = button_class()
button.parse_expression(graph, child)
self._buttons.append(button)
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
def consume(self, bot, clientid, context, words, word_no, type, depth):
if bot.configuration.tab_parse_output is True:
tabs = TextUtils.get_tabs(depth)
else:
tabs = ""
if context.search_depth_exceeded(depth) is True:
#if depth > context.max_search_depth:
if logging.getLogger().isEnabledFor(logging.ERROR):
logging.error("%sMax search depth [%d]exceeded" %
(tabs, context.max_search_depth))
return None
if words.word(word_no) == PatternTopicNode.TOPIC:
if logging.getLogger().isEnabledFor(logging.DEBUG):
logging.debug("%sTopic matched %s" %
(tabs, words.word(word_no)))
return super(PatternTopicNode,
self).consume(bot, clientid, context, words,
word_no + 1, type, depth + 1)
if logging.getLogger().isEnabledFor(logging.DEBUG):
logging.debug("%sTopic NOT matched %s" %
(tabs, words.word(word_no)))
return None
def _parse_node_with_attrib(self,
graph,
expression,
attrib_name,
default_value=None):
attrib_found = False
if attrib_name in expression.attrib:
self.set_attrib(attrib_name,
TemplateWordNode(expression.attrib[attrib_name]))
attrib_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 == attrib_name:
self.set_attrib(attrib_name,
self.parse_children_as_word_node(graph, child))
attrib_found = True
else:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
if attrib_found is False:
if default_value is not None:
YLogger.debug(self, "Setting default value for attrib [%s]",
attrib_name)
self.set_attrib(attrib_name, TemplateWordNode(default_value))
def _parse_node_with_attribs(self, graph, expression, attribs):
attribs_found = []
for attrib in attribs:
attrib_name = attrib[0]
if attrib_name in expression.attrib:
self.set_attrib(attrib_name, expression.attrib[attrib_name])
attribs_found.append(attrib_name)
self.parse_text(graph, self.get_text_from_element(expression))
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
for attrib in attribs:
attrib_name = attrib[0]
if tag_name == attrib_name:
self.set_attrib(attrib[0], self.get_text_from_element(child))
else:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
for attrib in attribs:
attrib_name = attrib[0]
if attrib_name not in attribs_found:
if attrib[1] is not None:
YLogger.debug(self, "Setting default value for attrib [%s]", attrib_name)
self.set_attrib(attrib_name, attrib[1])
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 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 parse_expression(self, graph, expression):
name_found = False
if 'name' in expression.attrib:
name = self.parse_attrib_value_as_word_node(graph, expression, 'name')
name_text = JapaneseLanguage.zenhan_normalize(name.children[0].word)
map_name = name_text.upper()
if graph.aiml_parser.brain.maps.storename(map_name) is None:
if graph.aiml_parser.brain.dynamics.is_dynamic_map(map_name) is False:
raise ParserException("Map[%s] name not found" % map_name, xml_element=expression, nodename='map')
self.name = 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)
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 map", xml_element=expression, nodename='map')
def parse_expression(self, graph, expression):
if 'text' in expression.attrib:
self._text = graph.get_word_node(expression.attrib['text'])
if 'url' in expression.attrib:
self._url = graph.get_word_node(expression.attrib['url'])
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'text':
self._text = self.parse_children_as_word_node(graph, child)
elif tag_name == 'url':
self._url = self.parse_children_as_word_node(graph, child)
else:
raise ParserException("Invalid child nodes in link")
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
if self._text is None:
raise ParserException("Missing text from link")
def parse_expression(self, graph, expression):
subj = None
pred = None
obj = None
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'subj':
subj = self.parse_children_as_word_node(graph, child)
elif tag_name == 'pred':
pred = self.parse_children_as_word_node(graph, child)
elif tag_name == 'obj':
obj = self.parse_children_as_word_node(graph, child)
else:
if logging.getLogger().isEnabledFor(logging.WARNING):
logging.warning("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")
self._query = RDFUniqueStatement(
RDFQuery(subj, pred, obj, RDFQuery.QUERY))
def match_children(self, bot, clientid, children, child_type, words,
word_no, context, type, depth):
if bot.configuration.tab_parse_output is True:
tabs = TextUtils.get_tabs(depth)
else:
tabs = ""
for child in children:
result = child.equals(bot, clientid, words, word_no)
if result.matched is True:
word_no = result.word_no
if logging.getLogger().isEnabledFor(logging.DEBUG):
logging.debug("%s%s matched %s" %
(tabs, child_type, result.matched_phrase))
match_node = Match(type, child, result.matched_phrase)
context.add_match(match_node)
match = child.consume(bot, clientid, context, words,
word_no + 1, type, depth + 1)
if match is not None:
if logging.getLogger().isEnabledFor(logging.DEBUG):
logging.debug("%sMatched %s child, success!" %
(tabs, child_type))
return match, word_no
else:
context.pop_match()
return None, word_no
def _parse_node_with_attribs(self, graph, expression):
self._name = TextUtils.tag_from_text(expression.tag)
for attrib_name in expression.attrib:
attrib_value = expression.attrib[attrib_name]
if "<" in attrib_value and ">" in attrib_value:
start = attrib_value.find("<")
end = attrib_value.rfind(">")
front = attrib_value[:start]
middle = attrib_value[start:end+1]
back = attrib_value[end+1:]
root = TemplateNode()
root.append(TemplateWordNode(front))
xml = ET.fromstring(middle)
xml_node = TemplateNode()
graph.parse_tag_expression(xml, xml_node)
root.append(xml_node)
root.append(TemplateWordNode(back))
self.set_attrib(attrib_name, root)
else:
self.set_attrib(attrib_name, TemplateWordNode(attrib_value))
self.parse_text(graph, self.get_text_from_element(expression))
for child in expression:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
def parse_expression(self, graph, expression):
if 'name' in expression.attrib:
self._slotName = self.parse_attrib_value_as_word_node(
graph, expression, 'name')
if 'item' in expression.attrib:
self._itemName = self.parse_attrib_value_as_word_node(
graph, expression, 'item')
if 'index' in expression.attrib:
self._index = self.parse_attrib_value_as_word_node(
graph, expression, 'index')
self.parse_text(graph, self.get_text_from_element(expression))
for child in expression:
tagName = TextUtils.tag_from_text(child.tag)
if tagName == 'name':
self._slotName = self.parse_children_as_word_node(graph, child)
if tagName == 'item':
self._itemName = self.parse_children_as_word_node(graph, child)
if tagName == 'index':
self._index = self.parse_children_as_word_node(graph, child)
else:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
if self._slotName is None or self._itemName is None:
raise ParserException("Missing either slot or item",
xml_element=expression,
nodename='nluslot')
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, _ = TextUtils.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 _parse_node_with_attrib(self,
graph,
expression,
attrib_name,
default_value=None):
attrib_found = True
if attrib_name in expression.attrib:
self.set_attrib(attrib_name, expression.attrib[attrib_name])
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 == attrib_name:
self.set_attrib(attrib_name, self.get_text_from_element(child))
else:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
if attrib_found is False:
if logging.getLogger().isEnabledFor(logging.DEBUG):
logging.debug("Setting default value for attrib [%s]",
attrib_name)
self.set_attrib(attrib_name, default_value)
def _parse_node_with_attribs(self, graph, expression, attribs):
attribs_found = []
for attrib in attribs:
attrib_name = attrib[0]
if attrib_name in expression.attrib:
self.set_attrib(attrib_name, expression.attrib[attrib_name])
attribs_found.append(attrib_name)
self.parse_text(graph, self.get_text_from_element(expression))
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
for attrib in attribs:
attrib_name = attrib[0]
if tag_name == attrib_name:
self.set_attrib(attrib[0], self.get_text_from_element(child))
else:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
for attrib in attribs:
attrib_name = attrib[0]
if attrib_name not in attribs_found:
if attrib[1] is not None:
YLogger.debug(self, "Setting default value for attrib [%s]", attrib_name)
self.set_attrib(attrib_name, attrib[1])
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 == 'name':
pass
elif tag_name == 'var':
pass
elif tag_name == 'value':
pass
elif tag_name == 'li':
raise ParserException(
"Error, li element not allowed as child of condition element",
xml_element=expression)
elif tag_name == 'loop':
raise ParserException(
"Error, 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 parse_expression(self, graph, expression):
if 'text' in expression.attrib:
self._text = graph.get_word_node(expression.attrib['text'])
if 'url' in expression.attrib:
self._url = graph.get_word_node(expression.attrib['url'])
if 'postback' in expression.attrib:
self._postback = graph.get_word_node(expression.attrib['postback'])
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'text':
self._text = self.parse_children_as_word_node(graph, child)
elif tag_name == 'url':
self._url = self.parse_children_as_word_node(graph, child)
elif tag_name == 'postback':
self._postback = self.parse_children_as_word_node(graph, child)
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
if self._text is None:
raise ParserException("Missing text element",
xml_element=expression,
nodename='button')
def get_tail_from_element(self, element):
text = element.tail
if text is not None:
text = TextUtils.strip_whitespace(text)
if text == "":
return None
return text
return None
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)
def _parse_text(self, pattern_text, current_node):
#words = pattern_text.split(" ")
stripped = pattern_text.strip()
words = stripped.split(" ")
for word in words:
if word != '': # Blank nodes add no value, ignore them
word = TextUtils.strip_whitespace(word)
new_node = PatternGraph.node_from_text(word)
current_node = current_node.add_child(new_node)
return current_node
def parse_expression(self, graph, expression):
if 'format' in expression.attrib:
self.interval_format = graph.get_word_node(expression.attrib['format'])
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'format':
self.interval_format = graph.get_word_node(self.get_text_from_element(child))
elif tag_name == 'style':
node = graph.get_base_node()
node.parse_text(graph, self.get_text_from_element(child))
for sub_child in child:
graph.parse_tag_expression(sub_child, node)
node.parse_text(graph, self.get_text_from_element(child))
self.style = node
elif tag_name == 'from':
node = graph.get_base_node()
node.parse_text(graph, self.get_text_from_element(child))
for sub_child in child:
graph.parse_tag_expression(sub_child, node)
node.parse_text(graph, self.get_text_from_element(child))
self.interval_from = node
elif tag_name == 'to':
node = graph.get_base_node()
node.parse_text(graph, self.get_text_from_element(child))
for sub_child in child:
graph.parse_tag_expression(sub_child, node)
node.parse_text(graph, self.get_text_from_element(child))
self.interval_to = node
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
if self.interval_format is None:
YLogger.warning(self, "Interval node, format missing, defaulting to 'c%%'!")
self.interval_format = "%c"
if self.style is None:
YLogger.warning(self, "style node, format missing, defaulting to 'days'!")
self.style = "days"
if self.interval_from is None:
YLogger.warning(self, "interval_from node, format missing !")
if self.interval_to is None:
YLogger.warning(self, "interval_to node, format missing !")
def parse_last_sentences_from_response(self, response):
# TODO Issue here when the response is more than just a simple sentence
# If the response contains punctuation such as "Hello. There" then THAT is none
response = re.sub(r'<\s*br\s*/>\s*', ".", response)
response = re.sub(r'<br></br>*', ".", response)
sentences = response.split(".")
sentences = [x for x in sentences if x]
last_sentence = sentences[-1]
that_pattern = TextUtils.strip_all_punctuation(last_sentence)
that_pattern = that_pattern.strip()
# TODO Added this to catch a failed sentence
if that_pattern == "":
that_pattern = '*'
return that_pattern
def to_xml(self, client_context):
xml = "<%s"%self._name
for attrib_name in self._attribs:
if isinstance(self._attribs[attrib_name], str):
attrib_value = self._attribs[attrib_name]
else:
attrib_value = self._attribs[attrib_name].resolve(client_context)
escaped = TextUtils.html_escape(attrib_value)
xml += ' %s="%s"' % (attrib_name, escaped)
xml += ">"
child_xml = self.children_to_xml(client_context)
xml += child_xml
xml += "</%s>"%self._name
return xml
def resolve_to_string(self, client_context):
xml = "<%s" % self._name
for attrib_name in self._attribs:
if isinstance(self._attribs[attrib_name], str):
attrib_value = self._attribs[attrib_name]
else:
attrib_value = self._attribs[attrib_name].resolve(client_context)
escaped = TextUtils.html_escape(attrib_value)
escaped = escaped.replace(" ", "")
xml += ' %s="%s"' % (attrib_name, escaped)
xml += ">"
xml += self.resolve_children_to_string(client_context)
xml += "</%s>" % self._name
return xml
def consume(self, bot, clientid, context, words, word_no, type, depth):
tabs = TextUtils.get_tabs(word_no)
if depth > context.max_search_depth:
logging.error("%sMax search depth [%d]exceeded" % (tabs, context.max_search_depth))
return None
if words.word(word_no) == PatternTopicNode.TOPIC:
logging.debug("%sTopic matched %s" % (tabs, words.word(word_no)))
return super(PatternTopicNode, self).consume(bot, clientid, context, words, word_no+1, type, depth+1)
logging.debug("%sTopic NOT matched %s" % (tabs, words.word(word_no)))
return None
def _parse_text(self, pattern_text, current_node, userid="*"):
stripped = pattern_text.strip()
words = self._aiml_parser.brain.tokenizer.texts_to_words(stripped)
for word in words:
if word != '': # Blank nodes add no value, ignore them
word = TextUtils.strip_whitespace(word)
new_node = self.node_from_text(word, userid=userid)
current_node = current_node.add_child(new_node)
return current_node
def parse_expression(self, graph, expression):
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'item':
item = self.parse_children_as_word_node(graph, child)
self._items.append(item)
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
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 parse_expression(self, graph, expression):
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'card':
card_class = graph.get_node_class_by_name("card")
card = card_class()
card.parse_expression(graph, child)
self._cards.append(card)
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
def parse_expression(self, graph, expression):
if 'seconds' in expression.attrib:
self._seconds = graph.get_word_node(expression.attrib['text'])
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'seconds':
self._seconds = self.parse_children_as_word_node(graph, child)
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
def parse_expression(self, graph, expression):
if 'path' in expression.attrib:
self.path = expression.attrib['path']
head_text = self.get_text_from_element(expression)
self.parse_text(graph, head_text)
for child in expression:
tag_name = TextUtils.tag_from_text(child.tag)
if tag_name == 'path':
self.path = self.get_text_from_element(child)
else:
graph.parse_tag_expression(child, self)
tail_text = self.get_tail_from_element(child)
self.parse_text(graph, tail_text)
if self.path is None:
raise ParserException("EXTENSION node, path attribute missing !")
def _parse_node_with_attrib(self, graph, expression, attrib_name, default_value=None):
attrib_found = True
if attrib_name in expression.attrib:
self.set_attrib(attrib_name, expression.attrib[attrib_name])
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 == attrib_name:
self.set_attrib(attrib_name, self.get_text_from_element(child))
else:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
if attrib_found is False:
YLogger.debug(self, "Setting default value for attrib [%s]", attrib_name)
self.set_attrib(attrib_name, default_value)
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
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
elif tag_name == 'var':
self.name = self.parse_children_as_word_node(graph, child)
self.local = True
var_found = True
else:
graph.parse_tag_expression(child, self)
self.parse_text(graph, self.get_tail_from_element(child))
if name_found is True and var_found is True:
raise ParserException("Set node has both name AND var values", xml_element=expression)
if name_found is False and var_found is False:
raise ParserException("Set node has both name AND var values", xml_element=expression)
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 ask_question(self, bot, clientid, sentence) -> str:
conversation = bot.get_conversation(clientid)
topic_pattern = conversation.predicate("topic")
if topic_pattern is None:
logging.info("No Topic pattern default to [*]")
topic_pattern = "*"
else:
logging.info("Topic pattern = [%s]", topic_pattern)
try:
that_question = conversation.nth_question(2)
that_sentence = that_question.current_sentence()
# If the last response was valid, i.e not none and not empty string, then use
# that as the that_pattern, otherwise we default to '*' as pattern
if that_sentence.response is not None and that_sentence.response != '':
that_pattern = TextUtils.strip_all_punctuation(that_sentence.response)
logging.info("That pattern = [%s]", that_pattern)
else:
logging.info("That pattern, no response, default to [*]")
that_pattern = "*"
except Exception:
logging.info("No That pattern default to [*]")
that_pattern = "*"
match_context = self._aiml_parser.match_sentence(bot, clientid,
sentence,
topic_pattern=topic_pattern,
that_pattern=that_pattern)
if match_context is not None:
template_node = match_context.template_node()
logging.debug("AIML Parser evaluating template [%s]", template_node.to_string())
return template_node.template.resolve(bot, clientid)
return None