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 process(self, statement):
from chatter.chatterbot.conversation import Statement
now = datetime.now()
time_features = self.time_question_features(statement.text.lower())
confidence = self.classifier.classify(time_features)
response = Statement('The current time is ' + now.strftime('%I:%M %p'))
response.confidence = confidence
return response
