def test_error_writing(self):
configuration = DebugFileConfiguration(name="tests", filename="./testfile.txt")
self.remove_file_assert_not_there(configuration.filename)
writer = ErrorsFileWriter(configuration)
self.assertIsNotNone(writer)
writer.save_entry("error1", "test.aiml", 100, 103)
self.assertIsNotNone(writer.entries)
self.assertEquals(1, len(writer.entries))
writer.save_entry("error2", "test.aiml", 200, 203)
self.assertEquals(2, len(writer.entries))
writer.save_content()
self.assertTrue(os.path.exists(configuration.filename))
self.remove_file_assert_not_there(configuration.filename)
def test_errors_file_write(self):
tmpdir = os.path.dirname(__file__) + os.sep + "tmp"
tmpfile = "errors.txt"
if os.path.exists(tmpdir):
shutil.rmtree(tmpdir)
self.assertFalse(os.path.exists(tmpdir))
configuration = MockFileConfiguration(dirs=tmpdir,
filename=tmpfile,
format="txt",
delete_on_start=False)
fileWriter = ErrorsFileWriter(configuration)
fileWriter.write_header()
fileWriter.save_entry("error-info", "filename", "10", "11")
fileWriter.save_content()
target = tmpdir + os.sep + tmpfile
self.assertTrue(os.path.exists(target))
if os.path.exists(tmpdir):
shutil.rmtree(tmpdir)
self.assertFalse(os.path.exists(tmpdir))
def test_init(self):
filename = get_os_specific_path() + os.sep + "errirs.txt"
config = FileWriterConfiguration(filename=filename,
fileformat="txt",
mode="a",
encoding="utf-8",
delete_on_start=False)
writer = ErrorsFileWriter(config)
self.assertIsNotNone(writer)
writer.save_entry("<xml>Duplicate with line numbers</xml>",
"test.aiml", 100, 666)
writer.save_entry("<xml>Duplicate with no line numbers</xml>",
"test2.aiml")
self.assertEquals(2, len(writer.entries))
writer.save_content()
self.assertTrue(os.path.exists(filename))
if os.path.exists(filename):
os.remove(filename)
self.assertFalse(os.path.exists(filename))
class AIMLParser(object):
RE_PATTERN_OF_TAG_AND_NAMESPACE_FROM_TEXT = re.compile("^{.*}.*$")
RE_MATCH_OF_TAG_AND_NAMESPACE_FROM_TEXT = re.compile("^({.*})(.*)$")
def __init__(self, brain):
self._brain = brain
self._pattern_parser = self.create_pattern_graph()
self._template_parser = self.create_template_graph()
self._aiml_loader = self.create_aiml_loader()
self._num_categories = 0
self._duplicates = None
self._errors = None
def create_pattern_graph(self):
return PatternGraph(aiml_parser=self)
def create_template_graph(self):
return TemplateGraph(aiml_parser=self)
def create_aiml_loader(self):
return AIMLLoader(self)
def __getstate__(self):
# We don't need to pickle the File Writes for duplicates and errors,
# __getstate__ is called during the pickling process to determin whih
# attributes to load, so we remove the ones we don't want pickling
d = dict(self.__dict__)
del d['_brain']
if '_errors' in d:
del d['_errors']
if '_duplicates' in d:
del d['_duplicates']
return d
@property
def brain(self):
return self._brain
@property
def num_categories(self):
return self._num_categories
@property
def pattern_parser(self):
return self._pattern_parser
@property
def template_parser(self):
return self._template_parser
def create_debug_storage(self, configuration):
if configuration.files.aiml_files.errors is not None:
self._errors = ErrorsFileWriter(
configuration.files.aiml_files.errors)
if configuration.files.aiml_files.duplicates is not None:
self._duplicates = DuplicatesFileWriter(
configuration.files.aiml_files.duplicates)
def save_debug_files(self, configuration):
if configuration.files.aiml_files.errors is not None:
num_errors = self._errors.save_content()
if num_errors > 0:
print("WARNING:%d errors detected" % num_errors)
self._errors.print_content()
if configuration.files.aiml_files.duplicates is not None:
num_dupes = self._duplicates.save_content()
if num_dupes > 0:
print("WARNING: %d duplicated grammars detected" % num_dupes)
self._duplicates.print_content()
def display_debug_info(self, configuration):
if self._errors is not None:
self._errors.display_debug_info()
if self._duplicates is not None:
self._duplicates.display_debug_info()
def load_files_from_directory(self, configuration):
start = datetime.datetime.now()
total_aimls_loaded = 0
for file in configuration.files.aiml_files.files:
aimls_loaded = self._aiml_loader.load_dir_contents(
file, configuration.files.aiml_files.directories,
configuration.files.aiml_files.extension)
total_aimls_loaded = len(aimls_loaded)
stop = datetime.datetime.now()
diff = stop - start
YLogger.info(self, "Total processing time %.6f secs",
diff.total_seconds())
YLogger.info(self,
"Loaded a total of %d aiml files with %d categories",
total_aimls_loaded, self.num_categories)
if diff.total_seconds() > 0:
YLogger.info(self, "Thats approx %f aiml files per sec",
total_aimls_loaded / diff.total_seconds())
def load_single_file(self, configuration):
start = datetime.datetime.now()
self._aiml_loader.load_single_file_contents(
configuration.files.aiml_files.file)
stop = datetime.datetime.now()
diff = stop - start
YLogger.info(self, "Total processing time %.6f secs",
diff.total_seconds())
YLogger.info(self, "Loaded a single aiml file with %d categories",
self.num_categories)
def load_aiml(self, configuration: BrainConfiguration):
if configuration.files.aiml_files is not None:
self.create_debug_storage(configuration)
if configuration.files.aiml_files.has_multiple_files():
self.load_files_from_directory(configuration)
elif configuration.files.aiml_files.has_single_file():
self.load_single_file(configuration)
else:
YLogger.info(
self,
"No AIML files or file defined in configuration to load")
self.save_debug_files(configuration)
self.display_debug_info(configuration)
else:
YLogger.info(
self, "No AIML files or file defined in configuration to load")
def tag_and_namespace_from_text(self, text):
# If there is a namespace, then it looks something like
# {http://alicebot.org/2001/AIML}aiml
if AIMLParser.RE_PATTERN_OF_TAG_AND_NAMESPACE_FROM_TEXT.match(
text) is None:
# If that pattern does not exist, assume that the text is the tag name
return text, None
# Otherwise, extract namespace and tag name
groupings = AIMLParser.RE_MATCH_OF_TAG_AND_NAMESPACE_FROM_TEXT.match(
text)
if groupings is not None:
namespace = groupings.group(1).strip()
tag_name = groupings.group(2).strip()
return tag_name, namespace
return None, None
def tag_from_text(self, text):
tag, _ = self.tag_and_namespace_from_text(text)
return tag
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 parse_from_file(self, filename):
"""
Parse an AIML file and return all the cateogeries found in the file
:param filename: Name of file to parse
:return list of categories parsed from file:
"""
YLogger.info(self, "Loading aiml file: " + filename)
try:
tree = ET.parse(filename, parser=LineNumberingParser())
aiml = tree.getroot()
_, namespace = self.check_aiml_tag(aiml, filename=filename)
start = datetime.datetime.now()
num_categories = self.parse_aiml(aiml, namespace, filename)
stop = datetime.datetime.now()
diff = stop - start
YLogger.info(self, "Processed %s with %d categories in %f.2 secs",
filename, num_categories, diff.total_seconds())
except Exception as excep:
YLogger.exception(
self,
"Failed to load contents of AIML file from [%s]" % filename,
excep)
def parse_from_text(self, text):
"""
Parse an AIML text version of an aiml file and return all the cateogeries found in the file
:param text: Fully validated AIML snippet
:return list of categories parsed from file:
"""
aiml = ET.fromstring(text)
_, namespace = self.check_aiml_tag(aiml)
self.parse_aiml(aiml, namespace)
#########################################################################################
#
# <?xml version = "1.0" encoding = "UTF-8"?>
# <aiml>
# <category>
# :
# </category>
# <topic>
# <category>
# :
# </category>
# </topic>
# </aiml>
#
def handle_aiml_duplicate(self, dupe_excep, filename, expression):
if self._duplicates is not None:
if logging.getLogger().isEnabledFor(logging.ERROR):
dupe_excep.filename = filename
msg = dupe_excep.format_message()
YLogger.error(self, msg)
startline = None
if hasattr(expression, "_start_line_number"):
startline = str(expression._start_line_number)
endline = None
if hasattr(expression, "_end_line_number"):
endline = str(expression._end_line_number)
self._duplicates.save_entry(dupe_excep.message, filename,
startline, endline)
def handle_aiml_error(self, parser_excep, filename, expression):
if self._errors is not None:
if logging.getLogger().isEnabledFor(logging.ERROR):
parser_excep.filename = filename
msg = parser_excep.format_message()
YLogger.error(self, msg)
startline = None
if hasattr(expression, "_start_line_number"):
startline = str(expression._start_line_number)
endline = None
if hasattr(expression, "_end_line_number"):
endline = str(expression._end_line_number)
self._errors.save_entry(parser_excep.message, filename, startline,
endline)
def parse_aiml(self, aiml_xml, namespace, filename=None):
self.parse_version(aiml_xml)
categories_found = False
num_category = 0
for expression in aiml_xml:
tag_name, namespace = self.tag_and_namespace_from_text(
expression.tag)
if tag_name == 'topic':
try:
num_topic_categories = self.parse_topic(
expression, namespace)
num_category += num_topic_categories
categories_found = True
except DuplicateGrammarException as dupe_excep:
self.handle_aiml_duplicate(dupe_excep, filename,
expression)
except ParserException as parser_excep:
self.handle_aiml_error(parser_excep, filename, expression)
elif tag_name == 'category':
try:
self.parse_category(expression, namespace)
categories_found = True
num_category += 1
except DuplicateGrammarException as dupe_excep:
self.handle_aiml_duplicate(dupe_excep, filename,
expression)
except ParserException as parser_excep:
self.handle_aiml_error(parser_excep, filename, expression)
else:
raise ParserException("Unknown top level tag, %s" %
expression.tag,
xml_element=expression)
if categories_found is False:
YLogger.warning(self, "no categories in aiml file")
return num_category
#########################################################################################
#
# AIML_VERSION ::== 0.9 | 1.0 | 1.1 | 2.0
#
def parse_version(self, aiml):
if 'version' in aiml.attrib:
version = aiml.attrib['version']
if version not in ['0.9', '1.0', '1.1', '2.0']:
YLogger.warning(self,
"Version number not a supported version: %s",
version)
else:
YLogger.warning(self, "No version info, defaulting to 2.0")
version = "2.0"
return version
#########################################################################################
#
# TOPIC_EXPRESSION:: == <topic name = "PATTERN_EXPRESSION" > (CATEGORY_EXPRESSION) + < / topic >
#
# PATTERN_EXPRESSION:: == WORD | PRIORITY_WORD | WILDCARD | SET_STATEMENT | PATTERN_SIDE_BOT_PROPERTY_EXPRESSION
# PATTERN_EXPRESSION:: == PATTERN_EXPRESSION PATTERN_EXPRESSION
#
# This means both topic and that can also be a set of words, stars, hash, sets and bots
#
# CATEGORY_EXPRESSION:: == <category>
# <pattern> PATTERN_EXPRESSION </pattern>
# (<that> PATTERN_EXPRESSION </that>)
# (<topic> PATTERN_EXPRESSION </topic>)
# < template > TEMPLATE_EXPRESSION < / template >
# </category>
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 find_all(self, element, name, namespace):
if namespace is not None:
search = '%s%s' % (namespace, name)
return element.findall(search)
return element.findall(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 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 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 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 parse_category(self,
category_xml,
namespace,
topic_element=None,
add_to_graph=True):
topic_element = self.find_topic(category_xml, namespace, topic_element)
that_element = self.find_that(category_xml, namespace)
template_graph_root = self.get_template(category_xml, namespace)
pattern = self.get_pattern(category_xml, namespace)
if add_to_graph is True:
self._pattern_parser.add_pattern_to_graph(pattern, topic_element,
that_element,
template_graph_root)
self._num_categories += 1
return (pattern, topic_element, that_element, template_graph_root)
def match_sentence(self, client_context, pattern_sentence, topic_pattern,
that_pattern):
topic_sentence = Sentence(client_context.brain.tokenizer,
topic_pattern)
that_sentence = Sentence(client_context.brain.tokenizer, that_pattern)
YLogger.debug(
client_context,
"AIML Parser matching sentence [%s], topic=[%s], that=[%s] ",
pattern_sentence.text(), topic_pattern, that_pattern)
sentence = Sentence(client_context.brain.tokenizer)
sentence.append_sentence(pattern_sentence)
sentence.append_word('__TOPIC__')
sentence.append_sentence(topic_sentence)
sentence.append_word('__THAT__')
sentence.append_sentence(that_sentence)
YLogger.debug(client_context, "Matching [%s]",
sentence.words_from_current_pos(0))
context = MatchContext(
max_search_depth=client_context.bot.configuration.max_search_depth,
max_search_timeout=client_context.bot.configuration.
max_search_timeout,
tokenizer=client_context.brain.tokenizer)
template = self._pattern_parser._root_node.match(
client_context, context, sentence)
if template is not None:
context._template_node = template
context.list_matches(client_context) # score을 log로 출력
# Save the matched context for the associated sentence
pattern_sentence.matched_context = context
return context
return None
class AIMLParser(object):
RE_PATTERN_OF_TAG_AND_NAMESPACE_FROM_TEXT = re.compile("^{.*}.*$")
RE_MATCH_OF_TAG_AND_NAMESPACE_FROM_TEXT = re.compile("^({.*})(.*)$")
def __init__(self, brain):
self._brain = brain
self._pattern_parser = self.create_pattern_graph()
self._template_parser = self.create_template_graph()
self._aiml_loader = self.create_aiml_loader()
self._num_categories = 0
self._duplicates = None
self._errors = None
def create_pattern_graph(self):
return PatternGraph(aiml_parser=self)
def create_template_graph(self):
return TemplateGraph(aiml_parser=self)
def create_aiml_loader(self):
return AIMLLoader(self)
def __getstate__(self):
# We don't need to pickle the File Writes for duplicates and errors,
# __getstate__ is called during the pickling process to determin whih
# attributes to load, so we remove the ones we don't want pickling
d = dict(self.__dict__)
del d['_brain']
if '_errors' in d:
del d['_errors']
if '_duplicates' in d:
del d['_duplicates']
return d
@property
def brain(self):
return self._brain
@property
def num_categories(self):
return self._num_categories
@property
def pattern_parser(self):
return self._pattern_parser
@property
def template_parser(self):
return self._template_parser
def create_debug_storage(self, configuration):
if configuration.files.aiml_files.errors is not None:
self._errors = ErrorsFileWriter(configuration.files.aiml_files.errors)
if configuration.files.aiml_files.duplicates is not None:
self._duplicates = DuplicatesFileWriter(configuration.files.aiml_files.duplicates)
def save_debug_files(self, configuration):
if configuration.files.aiml_files.errors is not None:
num_errors = self._errors.save_content()
if num_errors > 0:
print("WARNING:%d errors detected"%num_errors)
self._errors.print_content()
if configuration.files.aiml_files.duplicates is not None:
num_dupes = self._duplicates.save_content()
if num_dupes > 0:
print("WARNING: %d duplicated grammars detected"%num_dupes)
self._duplicates.print_content()
def display_debug_info(self, configuration):
if self._errors is not None:
self._errors.display_debug_info()
if self._duplicates is not None:
self._duplicates.display_debug_info()
def load_files_from_directory(self, configuration):
start = datetime.datetime.now()
total_aimls_loaded = 0
for file in configuration.files.aiml_files.files:
aimls_loaded = self._aiml_loader.load_dir_contents(file,
configuration.files.aiml_files.directories,
configuration.files.aiml_files.extension,
filename_as_userid=False)
total_aimls_loaded = len(aimls_loaded)
stop = datetime.datetime.now()
diff = stop - start
YLogger.info(self, "Total processing time %.6f secs", diff.total_seconds())
YLogger.info(self, "Loaded a total of %d aiml files with %d categories", total_aimls_loaded, self.num_categories)
if diff.total_seconds() > 0:
YLogger.info(self, "Thats approx %f aiml files per sec", total_aimls_loaded / diff.total_seconds())
def load_learnf_files_from_directory(self, configuration):
if configuration.defaults.learnf_path is not None:
aimls_loaded = self._aiml_loader.load_dir_contents(configuration.defaults.learnf_path,
False,
configuration.files.aiml_files.extension,
filename_as_userid=True)
total_aimls_loaded = len(aimls_loaded)
YLogger.info(self, "Loaded a total of %d learnf aiml files", total_aimls_loaded)
def load_single_file(self, configuration):
start = datetime.datetime.now()
self._aiml_loader.load_single_file_contents(configuration.files.aiml_files.file)
stop = datetime.datetime.now()
diff = stop - start
YLogger.info(self, "Total processing time %.6f secs", diff.total_seconds())
YLogger.info(self, "Loaded a single aiml file with %d categories", self.num_categories)
def empty(self):
self._pattern_parser.empty()
def load_aiml(self, configuration: BrainConfiguration):
if configuration.files.aiml_files is not None:
self.create_debug_storage(configuration)
if configuration.files.aiml_files.has_multiple_files():
self.load_files_from_directory(configuration)
self.load_learnf_files_from_directory(configuration)
elif configuration.files.aiml_files.has_single_file():
self.load_single_file(configuration)
self.load_learnf_files_from_directory(configuration)
else:
YLogger.info(self, "No AIML files or file defined in configuration to load")
self.save_debug_files(configuration)
self.display_debug_info(configuration)
else:
YLogger.info(self, "No AIML files or file defined in configuration to load")
def tag_and_namespace_from_text(self, text):
# If there is a namespace, then it looks something like
# {http://alicebot.org/2001/AIML}aiml
if AIMLParser.RE_PATTERN_OF_TAG_AND_NAMESPACE_FROM_TEXT.match(text) is None:
# If that pattern does not exist, assume that the text is the tag name
return text, None
# Otherwise, extract namespace and tag name
groupings = AIMLParser.RE_MATCH_OF_TAG_AND_NAMESPACE_FROM_TEXT.match(text)
if groupings is not None:
namespace = groupings.group(1).strip()
tag_name = groupings.group(2).strip()
return tag_name, namespace
return None, None
def tag_from_text(self, text):
tag, _ = self.tag_and_namespace_from_text(text)
return tag
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 parse_from_file(self, filename, userid="*"):
"""
Parse an AIML file and return all the cateogeries found in the file
:param filename: Name of file to parse
:return list of categories parsed from file:
"""
YLogger.info(self, "Loading aiml file: " + filename)
try:
tree = ET.parse(filename, parser=LineNumberingParser())
aiml = tree.getroot()
_, namespace = self.check_aiml_tag(aiml, filename=filename)
start = datetime.datetime.now()
num_categories = self.parse_aiml(aiml, namespace, filename, userid=userid)
stop = datetime.datetime.now()
diff = stop - start
YLogger.info(self, "Processed %s with %d categories in %f.2 secs", filename, num_categories, diff.total_seconds())
except Exception as excep:
YLogger.exception(self, "Failed to load contents of AIML file from [%s]"%filename, excep)
def parse_from_text(self, text):
"""
Parse an AIML text version of an aiml file and return all the cateogeries found in the file
:param text: Fully validated AIML snippet
:return list of categories parsed from file:
"""
aiml = ET.fromstring(text)
_, namespace = self.check_aiml_tag(aiml)
self.parse_aiml(aiml, namespace)
#########################################################################################
#
# <?xml version = "1.0" encoding = "UTF-8"?>
# <aiml>
# <category>
# :
# </category>
# <topic>
# <category>
# :
# </category>
# </topic>
# </aiml>
#
def handle_aiml_duplicate(self, dupe_excep, filename, expression):
if self._duplicates is not None:
if logging.getLogger().isEnabledFor(logging.ERROR):
dupe_excep.filename = filename
msg = dupe_excep.format_message()
YLogger.error(self, msg)
startline = None
if hasattr(expression, "_start_line_number"):
startline = str(expression._start_line_number)
endline = None
if hasattr(expression, "_end_line_number"):
endline = str(expression._end_line_number)
self._duplicates.save_entry(dupe_excep.message, filename, startline, endline)
def handle_aiml_error(self, parser_excep, filename, expression):
if self._errors is not None:
if logging.getLogger().isEnabledFor(logging.ERROR):
parser_excep.filename = filename
msg = parser_excep.format_message()
YLogger.error(self, msg)
startline = None
if hasattr(expression, "_start_line_number"):
startline = str(expression._start_line_number)
endline = None
if hasattr(expression, "_end_line_number"):
endline = str(expression._end_line_number)
self._errors.save_entry(parser_excep.message, filename, startline, endline)
def parse_aiml(self, aiml_xml, namespace, filename=None, userid="*"):
self.parse_version(aiml_xml)
categories_found = False
num_category = 0
for expression in aiml_xml:
tag_name, namespace = self.tag_and_namespace_from_text(expression.tag)
if tag_name == 'topic':
try:
num_topic_categories = self.parse_topic(expression, namespace)
num_category += num_topic_categories
categories_found = True
except DuplicateGrammarException as dupe_excep:
self.handle_aiml_duplicate(dupe_excep, filename, expression)
except ParserException as parser_excep:
self.handle_aiml_error(parser_excep, filename, expression)
elif tag_name == 'category':
try:
self.parse_category(expression, namespace, userid=userid)
categories_found = True
num_category += 1
except DuplicateGrammarException as dupe_excep:
self.handle_aiml_duplicate(dupe_excep, filename, expression)
except ParserException as parser_excep:
self.handle_aiml_error(parser_excep, filename, expression)
else:
raise ParserException("Unknown top level tag, %s" % expression.tag, xml_element=expression)
if categories_found is False:
YLogger.warning(self, "no categories in aiml file")
return num_category
#########################################################################################
#
# AIML_VERSION ::== 0.9 | 1.0 | 1.1 | 2.0
#
def parse_version(self, aiml):
if 'version' in aiml.attrib:
version = aiml.attrib['version']
if version not in ['0.9', '1.0', '1.1', '2.0']:
YLogger.warning(self, "Version number not a supported version: %s", version)
else:
YLogger.warning(self, "No version info, defaulting to 2.0")
version = "2.0"
return version
#########################################################################################
#
# TOPIC_EXPRESSION:: == <topic name = "PATTERN_EXPRESSION" > (CATEGORY_EXPRESSION) + < / topic >
#
# PATTERN_EXPRESSION:: == WORD | PRIORITY_WORD | WILDCARD | SET_STATEMENT | PATTERN_SIDE_BOT_PROPERTY_EXPRESSION
# PATTERN_EXPRESSION:: == PATTERN_EXPRESSION PATTERN_EXPRESSION
#
# This means both topic and that can also be a set of words, stars, hash, sets and bots
#
# CATEGORY_EXPRESSION:: == <category>
# <pattern> PATTERN_EXPRESSION </pattern>
# (<that> PATTERN_EXPRESSION </that>)
# (<topic> PATTERN_EXPRESSION </topic>)
# < template > TEMPLATE_EXPRESSION < / template >
# </category>
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 find_all(self, element, name, namespace):
if namespace is not None:
search = '%s%s'%(namespace, name)
return element.findall(search)
return element.findall(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 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 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 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 parse_category(self, category_xml, namespace, topic_element=None, add_to_graph=True, userid="*"):
topic_element = self.find_topic(category_xml, namespace, topic_element)
that_element = self.find_that(category_xml, namespace)
template_graph_root = self.get_template(category_xml, namespace)
pattern = self.get_pattern(category_xml, namespace)
if add_to_graph is True:
self._pattern_parser.add_pattern_to_graph(pattern, topic_element, that_element, template_graph_root, userid=userid)
self._num_categories += 1
return (pattern, topic_element, that_element, template_graph_root)
def match_sentence(self, client_context, pattern_sentence, topic_pattern, that_pattern):
topic_sentence = Sentence(client_context.brain.tokenizer, topic_pattern)
that_sentence = Sentence(client_context.brain.tokenizer, that_pattern)
YLogger.debug(client_context, "AIML Parser matching sentence [%s], topic=[%s], that=[%s] ",
pattern_sentence.text(), topic_pattern, that_pattern)
sentence = Sentence(client_context.brain.tokenizer)
sentence.append_sentence(pattern_sentence)
sentence.append_word('__TOPIC__')
sentence.append_sentence(topic_sentence)
sentence.append_word('__THAT__')
sentence.append_sentence(that_sentence)
YLogger.debug(client_context, "Matching [%s]", sentence.words_from_current_pos(0))
context = MatchContext(max_search_depth=client_context.bot.configuration.max_search_depth,
max_search_timeout=client_context.bot.configuration.max_search_timeout,
tokenizer=client_context.brain.tokenizer)
template = self._pattern_parser._root_node.match(client_context, context, sentence)
if template is not None:
context._template_node = template
context.list_matches(client_context)
# Save the matched context for the associated sentence
pattern_sentence.matched_context = context
return context
return None