def test_template7(self):
template1 = Template.create("here we have slot {A} and slot {B}")
fillers = Assignment()
fillers.add_pair("A", "apple")
fillers.add_pair("B", "banana")
assert template1.fill_slots(fillers) == "here we have slot apple and slot banana"
fillers.remove_pair("B")
assert Template.create(template1.fill_slots(fillers)).get_slots().pop() == "B"
def test_template4(self):
template1 = Template.create("hi my name is {name}")
assert str(template1.match("hi my name is Pierre Lison ").get_value("name")) == "Pierre Lison"
template2 = Template.create("{name} is my name")
assert str(template2.match("Pierre Lison is my name").get_value("name")) == "Pierre Lison"
template3 = Template.create("hi my name is {name} and I need coffee")
assert str(template3.match("hi my name is Pierre and I need coffee ").get_value("name")) == "Pierre"
def test_template8(self):
template = Template.create("here we have a test")
assert not template.match("here we have a test2").is_matching()
assert not template.partial_match("here we have a test2").is_matching()
assert template.partial_match("here we have a test that is working").is_matching()
assert not template.match("here we have a test that is working").is_matching()
template2 = Template.create("bla")
assert not template2.partial_match("bla2").is_matching()
assert not template2.partial_match("blabla").is_matching()
assert template2.partial_match("bla bla").is_matching()
assert not template2.match("bla bla").is_matching()
def test_one_char_and_parenthesis(self):
t = Template.create("?")
assert t.partial_match("how are you?").is_matching()
assert t.partial_match("how are you ?").is_matching()
t = Template.create("Pred1({X})")
assert t.match("Pred1(FirstTest)").is_matching()
assert t.match("Pred1(Pred2(Bla))").is_matching()
assert str(t.match("Pred1(Pred2(Bla))").get_value("X")) == "Pred2(Bla)"
t = Template.create("Pred2({X},{Y})")
assert str(t.match("Pred2(Bla,Blo)").get_value("X")) == "Bla"
assert str(t.match("Pred2(Bla,Blo)").get_value("Y")) == "Blo"
assert str(t.match("Pred2(Bla(1,2),Blo)").get_value("Y")) == "Blo"
assert str(t.match("Pred2(Bla,Blo(1,2))").get_value("X")) == "Bla"
def test_complex_regex(self):
t = Template.create("a (pizza)? margherita")
assert t.match("a margherita").is_matching()
assert t.match("a pizza margherita").is_matching()
assert not t.match("a pizza").is_matching()
assert t.partial_match("I would like a margherita").is_matching()
t2 = Template.create("a (bottle of)? (beer|wine)")
assert t2.match("a beer").is_matching()
assert t2.match("a bottle of wine").is_matching()
assert not t2.match("a bottle of").is_matching()
assert not t2.match("a coke").is_matching()
assert t2.partial_match("I would like a bottle of beer").is_matching()
t3 = Template.create("move (a (little)? bit)? (to the)? left")
assert t3.match("move a little bit to the left").is_matching()
assert t3.match("move a bit to the left").is_matching()
assert t3.match("move to the left").is_matching()
assert t3.match("move a little bit left").is_matching()
assert not t3.match("move a to the left").is_matching()
t4 = Template.create("I want beer(s)?")
assert t4.match("I want beer").is_matching()
assert t4.match("I want beers").is_matching()
assert not t4.match("I want beer s").is_matching()
t5 = Template.create("(beer(s)?|wine)")
assert t5.match("beer").is_matching()
assert t5.match("beers").is_matching()
assert t5.match("wine").is_matching()
assert not t5.match("wines").is_matching()
assert not t5.match("beer wine").is_matching()
assert Template.create("* (to the|at the)? left of").match("window to the left of").is_matching()
assert Template.create("* (to the|at the)? left of").match("window left of").is_matching()
assert Template.create("* (to the|at the)? left of").match("left of").is_matching()
def add_trigger(self, trigger):
"""
Adds a new trigger to the model, defined by the variable label
:param trigger: the variable
"""
self._triggers.append(Template.create(trigger))
def ground(self, grounding):
"""
Ground the slots in the effect variable and value (given the assignment) and
returns the resulting effect.
:param grounding: the grounding
:return: the grounded effect
"""
new_t = Template.create(self._label_template.fill_slots(grounding))
new_v = Template.create(self._value_template.fill_slots(grounding))
if new_t.is_under_specified() or new_v.is_under_specified():
return TemplateEffect(new_t, new_v, self._priority,
self._exclusive, self._negated)
else:
return BasicEffect(str(new_t), ValueFactory.create(str(new_v)),
self._priority, self._exclusive, self._negated)
def test_template6(self):
template1 = Template.create("{anything}")
assert str(template1.match("bla bla bla").get_value("anything")) == "bla bla bla"
template2 = Template.create("{anything} is good")
assert str(template2.match("bla bla bla is good").get_value("anything")) == "bla bla bla"
assert not template2.match("blo blo").is_matching()
assert not template2.match("bla bla bla is bad").contains_var("anything")
assert template2.match("blo is good").is_matching()
template3 = Template.create("this could be {anything}")
assert str(template3.match("this could be pretty much anything").get_value("anything")) == "pretty much anything"
assert not template3.match("but not this").is_matching()
assert not template3.match("this could beA").is_matching()
assert not template3.partial_match("this could beA").is_matching()
assert not template3.match("this could be").is_matching()
assert not template3.partial_match("this could be").is_matching()
def parse_effect(str_val):
"""
Parses the string representing the effect, and returns the corresponding effect.
:param str_val: the string representing the effect
:return: the corresponding effect
"""
if " ^ " in str_val:
effects = list()
for split in str_val.split(" ^ "):
sub_output = Effect.parse_effect(split)
effects += sub_output.get_sub_effects()
return Effect(effects)
else:
if "Void" in str_val:
return Effect(list())
var = ""
val = ""
exclusive = True
negated = False
if ":=" in str_val:
var = str_val.split(":=")[0]
val = str_val.split(":=")[1]
val = "None" if "{}" in val else val
elif "!=" in str_val:
var = str_val.split("!=")[0]
val = str_val.split("!=")[1]
negated = True
elif "+=" in str_val:
var = str_val.split("+=")[0]
val = str_val.split("+=")[1]
exclusive = False
tvar = Template.create(var)
tval = Template.create(val)
if tvar.is_under_specified() or tval.is_under_specified():
return Effect(TemplateEffect(tvar, tval, 1, exclusive,
negated))
else:
return Effect(
BasicEffect(var, ValueFactory.create(val), 1, exclusive,
negated))
def get_input_variables(self):
"""
Returns the input variables associated with the case
:return: the set of input variables
"""
input_vars = set(self._condition.get_input_variables())
for slot in self._condition.get_slots():
template = Template.create(slot)
input_vars.add(template)
for effect in self.get_effects():
for input_variable in effect.get_value_slots():
input_vars.add(Template.create(input_variable))
return input_vars
def _get_sub_effect(node, priority):
"""
Extracts a basic effect from the XML specification.
:param node: the XML node
:param priority: the rule priority
:return: the corresponding basic effect
"""
node_keys = node.keys()
if 'var' not in node_keys:
raise ValueError()
variable_name = node.attrib['var']
if 'value' in node_keys:
value = node.attrib['value']
elif 'var2' in node_keys:
value = '{' + node.attrib['var2'] + '}'
else:
value = 'None'
value = re.sub(r'\s+', ' ', value)
exclusive = True
if 'exclusive' in node_keys:
if node.attrib['exclusive'].lower() == 'false':
exclusive = False
negated = 'relation' in node_keys and XMLRuleReader._get_relation(node) == Relation.UNEQUAL
# "clear" effect is outdated
if node.tag.lower() == 'clear':
value = 'None'
# checking for other attributes
for attrib_key in node_keys:
if attrib_key not in ['var', 'var2', 'value', 'relation', 'exclusive']:
raise ValueError()
template_variable = Template.create(variable_name)
template_value = Template.create(value)
if template_variable.is_under_specified() or template_value.is_under_specified():
return TemplateEffect(template_variable, template_value, priority, exclusive, negated)
else:
return BasicEffect(variable_name, ValueFactory.create(str(template_value)), priority, exclusive, negated)
def test_template2(self):
template = Template.create("hi my name is {name}")
utterance1 = "hi my name is Pierre, how are you?"
assert template.partial_match(utterance1).is_matching()
utterance2 = "hello how are you?"
assert not template.partial_match(utterance2).is_matching()
utterance3 = "hi my name is Pierre"
assert template.partial_match(utterance3).is_matching()
assert template.match(utterance3).is_matching()
def test_template3(self):
template = Template.create("hi my name is {name} and I need coffee")
utterance1 = " hi my name is Pierre and i need coffee "
utterance2 = "hi my name is Pierre and I need coffee right now"
assert template.partial_match(utterance1).is_matching()
assert template.partial_match(utterance2).is_matching()
utterance3 = "hello how are you?"
assert not template.partial_match(utterance3).is_matching()
assert not template.match(utterance3).is_matching()
assert template.match(utterance1).is_matching()
def test_star(self):
t1 = Template.create("here is * test")
assert t1.match("here is test").is_matching()
assert t1.match("here is a test").is_matching()
assert t1.match("here is a great test").is_matching()
assert not t1.match("here is a bad nest").is_matching()
t1 = Template.create("* test")
assert t1.match("test").is_matching()
assert t1.match("great test").is_matching()
assert not t1.match("here is a bad nest").is_matching()
t1 = Template.create("test *")
assert t1.match("test").is_matching()
assert t1.match("test that works").is_matching()
assert not t1.match("nest that is bad").is_matching()
t1 = Template.create("this is a * {test}")
assert t1.match("this is a ball").is_matching()
assert t1.match("this is a really great ball").is_matching()
assert not t1.match("this is huge").is_matching()
assert str(t1.match("this is a ball").get_value("test")) == "ball"
assert str(t1.match("this is a great blue ball").get_value("test")) == "ball"
t1 = Template.create("* {test}")
assert str(t1.match("this is a great ball").get_value("test")) == "ball"
assert str(t1.match("ball").get_value("test")) == "ball"
t1 = Template.create("{test} *")
assert str(t1.match("great ball").get_value("test")) == "great ball"
assert str(t1.match("ball").get_value("test")) == "ball"
def get_prob(self, condition):
"""
Returns the probability of eq=true given the condition
:param condition: the conditional assignment
:return: the probability of eq=true
"""
predicted = None
actual = None
for input_var in condition.get_variables():
if input_var == self._base_var + "^p":
predicted = condition.get_value(input_var)
elif input_var == self._base_var + "'":
actual = condition.get_value(input_var)
elif input_var == self._base_var:
actual = condition.get_value(input_var)
if predicted is None or actual is None:
raise ValueError()
if predicted == ValueFactory.none() or actual == ValueFactory.none():
return EquivalenceDistribution.none_prob
elif predicted == actual:
return 1.0
elif isinstance(predicted, StringVal) and isinstance(actual, StringVal):
str1 = str(predicted)
str2 = str(actual)
if Template.create(str1).match(str2).is_matching() or Template.create(str2).match(str1).is_matching():
return 1.0
return 0.0
elif len(predicted.get_sub_values()) > 0 and len(actual.get_sub_values()) > 0:
vals0 = predicted.get_sub_values()
vals1 = actual.get_sub_values()
intersect = set(vals0)
intersect.intersection_update(vals1)
return float(len(intersect) / len(vals0))
else:
return 0.0
def test_real_function(self):
# def add(*x):
# return ValueFactory.create(sum([float(item) for item in x]))
#
# def substract(*x):
# return ValueFactory.create(value=float(x[0]) - sum([float(item) for item in x[1:]]))
#
Settings.add_function("add", lambda *x: ValueFactory.create(sum([float(item) for item in x])))
Settings.add_function("substract", lambda *x: ValueFactory.create(float(x[0]) - sum([float(item) for item in x[1:]])))
t = Template.create("add({X},{Y})")
assert t.fill_slots(Assignment.create_from_string("X=1 ^ Y=2")) == "3"
t = Template.create("add(4,{Y},{Z})")
assert t.fill_slots(Assignment.create_from_string("Z=3 ^ Y=2")) == "9"
t = Template.create("add(4,2)")
assert t.fill_slots(Assignment.create_from_string("Z=3 ^ Y=2")) == "6"
t = Template.create("add(substract({X},{Y}),{Z})")
assert isinstance(t, FunctionalTemplate)
assert t.fill_slots(Assignment.create_from_string("X=3 ^ Y=1 ^ Z=2")) == "4"
t = Template.create("add(substract({X},{Y}),substract({Z}, {A}))")
assert isinstance(t, FunctionalTemplate)
assert t.fill_slots(Assignment.create_from_string("X=3 ^ Y=1 ^ Z=4 ^ A=2")) == "4"
def __contains__(self, item):
"""
Returns true if subvalue is a substring of the current StringVal, and false otherwise.
:param item: the value
:return: true is subvalue is a substring of the object, false otherwise
"""
if isinstance(item, StringVal):
if item._template is None:
from templates.template import Template
item._template = Template.create(item._value)
return item._template.partial_match(self._value).is_matching()
else:
# TODO: check bug > subvalue.toString().contains(str): not a proper comparison
return str(item) in self._value # corrected version.
def get_functions(expression):
functions = set()
for matcher in MathExpression.function_pattern.finditer(expression):
function_s = matcher.captures()[0]
nb_open_parentheses = 0
for idx, c in enumerate(expression):
if c == '(':
nb_open_parentheses += 1
elif c == ')' and nb_open_parentheses > 1:
nb_open_parentheses -= 1
elif c == ')':
function_s += expression[matcher.end():idx + 1]
if Settings.is_function(function_s):
functional_template = Template.create(function_s)
functions.add(functional_template)
break
return functions
def __init__(self, arg1=None, arg2=None, arg3=None):
if isinstance(arg1, str) and isinstance(arg2, str) and isinstance(
arg3, Relation):
variable, value, relation = arg1, arg2, arg3
"""
Creates a new basic condition, given a variable label, an expected value, and
a relation to hold between the variable and its value
:param variable: the variable
:param value: the value
:param relation: the relation to hold
"""
self._variable = Template.create(variable)
self._template_value = Template.create(value)
self._ground_value = None if self._template_value.is_under_specified(
) else ValueFactory.create(value)
self._relation = relation
elif isinstance(arg1, str) and isinstance(arg2, Value) and isinstance(
arg3, Relation):
variable, value, relation = arg1, arg2, arg3
"""
Creates a new basic condition, given a variable label, an expected value, and
a relation to hold between the variable and its value
:param variable: the variable
:param value: the value
:param relation: the relation to hold
"""
self._variable = Template.create(variable)
self._template_value = Template.create(str(value))
self._ground_value = value
self._relation = relation
elif isinstance(arg1, BasicConditionWrapper) and isinstance(
arg2, Assignment) and arg3 is None:
condition, grounding = arg1, arg2
"""
Creates a new basic condition that represented the grounding of the provided
condition together with the value assignment
:param condition: the condition (with free variables)
:param grounding: the grounding assignment
"""
self._variable = condition._variable
if self._variable.is_under_specified():
self._variable = Template.create(
self._variable.fill_slots(grounding))
self._relation = condition._relation
self._template_value = condition._template_value
self._ground_value = condition._ground_value
if len(self._template_value.get_slots()) > 0:
self._template_value = Template.create(
self._template_value.fill_slots(grounding))
if not self._template_value.is_under_specified():
self._ground_value = ValueFactory.create(
str(self._template_value))
else:
raise NotImplementedError()
def _get_sub_condition(node):
"""
Extracting a partial condition from a rule specification
:param node: the XML node
:return: the corresponding condition
"""
# extracting a basic condition
if node.tag == 'if':
if 'var' not in node.keys():
raise ValueError()
variable_name = node.attrib['var']
template = Template.create(variable_name)
if template.is_under_specified():
template = Template.create(str(template).replace('*', '{' + str(random.randint(1, 99)) + '}'))
value_str = None
if 'value' in node.keys():
value_str = node.attrib['value']
if value_str is not None:
relation = XMLRuleReader._get_relation(node)
condition = BasicCondition(variable_name, value_str, relation)
else:
if 'var2' not in node.keys():
raise ValueError()
second_variable = node.attrib['var2']
relation = XMLRuleReader._get_relation(node)
condition = BasicCondition(variable_name, '{' + second_variable + '}', relation)
for attrib_key in node.attrib.keys():
if attrib_key not in ['var', 'var2', 'value', 'relation']:
raise ValueError()
return condition
# extracting a conjunction or disjunction
if node.tag == 'or' or node.tag == 'and':
conditions = list()
for child_node in node:
if XMLUtils.has_content(child_node):
conditions.append(XMLRuleReader._get_sub_condition(child_node))
return ComplexCondition(conditions, BinaryOperator.OR if node.tag == 'or' else BinaryOperator.AND)
# extracting a negated conjunction
if node.tag == 'neg' or node.tag == 'not':
conditions = list()
for child_node in node:
if XMLUtils.has_content(child_node):
conditions.append(XMLRuleReader._get_sub_condition(child_node))
return conditions[0] if len(conditions) == 1 else ComplexCondition(conditions, BinaryOperator.AND)
if XMLUtils.has_content(node):
raise ValueError()
return VoidCondition()
def create_relation(self, str_representation):
"""
Creates a template from its string representation
"""
return Template.create(str_representation)
def copy_value(self, template):
"""
Copies a template
"""
return Template.create(str(template))
def test_template5(self):
template1 = Template.create("hi this is {A} and this is {B}")
assert str(template1.match("hi this is an apple and this is a banana").get_value("A")) == "an apple"
assert str(template1.match("hi this is an apple and this is a banana").get_value("B")) == "a banana"
def test_template_math(self):
assert MathExpression("1+2").evaluate() == pytest.approx(3.0, abs=0.001)
assert MathExpression("-1.2*3").evaluate() == pytest.approx(-3.6, abs=0.001)
t = Template.create("{X}+2")
assert str(t.fill_slots(Assignment("X", "3"))) == "5"
def test_template1(self):
template = Template.create("this is a first test")
utterance = "bla bla this is a first test bla"
assert template.partial_match(utterance).is_matching()
def test_functions(self):
t = Template.create("{X}+{Y}")
assert t.fill_slots(Assignment.create_from_string("X=1 ^ Y=2")) == "3"
assert t.fill_slots(Assignment.create_from_string("X=[1,2] ^ Y=4")) == "[1, 2, 4]"
t = Template.create("{X}-{Y}")
assert t.fill_slots(Assignment.create_from_string("X=[1,2] ^ Y=2")) == "[1]"
def test_double(self):
t = Template.create("MakeOrder({Price})")
assert t.match("MakeOrder(179)").is_matching()
assert t.match("MakeOrder(179.0)").is_matching()
assert not t.match("MakkeOrder(179.0)").is_matching()
assert not t.match("MakkeOrder()").is_matching()
def test_match_in_string(self):
t = Template.create("{X}th of March")
assert t.match("20th of March").is_matching()
assert t.partial_match("on the 20th of March").is_matching()
assert not t.match("20 of March").is_matching()
