def process(self,
statement,
additional_response_selection_parameters=None):
"""
Takes a statement string.
Returns the equation from the statement with the mathematical terms solved.
"""
from mathparse import mathparse
input_text = statement.text
# Use the result cached by the process method if it exists
if input_text in self.cache:
cached_result = self.cache[input_text]
self.cache = {}
return cached_result
# Getting the mathematical terms within the input statement
expression = mathparse.extract_expression(
input_text, language=self.language.ISO_639.upper())
response = Statement(text=expression)
try:
response.text += ' = ' + str(
mathparse.parse(expression,
language=self.language.ISO_639.upper()))
# The confidence is 1 if the expression could be evaluated
response.confidence = 1
except mathparse.PostfixTokenEvaluationException:
response.confidence = 0
return response
def process(self, statement):
"""
Takes a statement string.
Returns the equation from the statement with the mathematical terms solved.
"""
from mathparse import mathparse
input_text = statement.text
# Use the result cached by the process method if it exists
if input_text in self.cache:
cached_result = self.cache[input_text]
self.cache = {}
return cached_result
# Getting the mathematical terms within the input statement
expression = mathparse.extract_expression(input_text, language=self.language)
response = Statement(text=expression)
try:
response.text += ' = ' + str(
mathparse.parse(expression, language=self.language)
)
# The confidence is 1 if the expression could be evaluated
response.confidence = 1
except mathparse.PostfixTokenEvaluationException:
response.confidence = 0
return response
def solve(self, statement):
de_word = ['mathparse']
statement = get_stem(statement, de_word)
statement = statement.replace("to the power", "^")
statement = statement.replace("into", "*")
statement = statement.replace("multiplied by", "*")
statement = statement.replace("divided by", "/")
statement = statement.replace("by", "/")
expression = mathparse.extract_expression(statement, language='ENG')
ans = mathparse.parse(expression)
gui.display(f"{expression} = {ans}")
talk(f"{expression} = {ans}")
def test_extract_expression_simple_additon_words(self):
result = mathparse.extract_expression('What is three plus three?',
language='ENG')
self.assertEqual(result, 'three plus three')
def test_extract_expression_simple_additon(self):
result = mathparse.extract_expression('What is 3 + 3?', language='ENG')
self.assertEqual(result, '3 + 3')
def test_ignore_punctuation(self):
result = mathparse.extract_expression('3?', language='ENG')
self.assertEqual(result, '3')
def test_extract_expression(self):
result = mathparse.extract_expression('3 + 3', language='ENG')
self.assertEqual(result, '3 + 3')
def test_empty_string(self):
result = mathparse.extract_expression('', language='ENG')
self.assertEqual(result, '')
