def match(self, user_input):
if re.match(self.regex, user_input.text):
return models.ErrorResult(
True, "That's right, but please "
"give me a full sentence...")
else:
return models.ErrorResult(False)
def match(self, user_input):
match_obj = re.match(self.regex, user_input.text)
if match_obj:
job = match_obj.group('job')
if job in common.JOBS and job != self.expected_job:
return models.ErrorResult(True, 'Wrong answer.')
return models.ErrorResult(False)
def where_are_you_from(user_input):
"""
I am [country].
"""
if re.match('^I am %s(.)?$' % common_regex.NAME, user_input.text):
return models.ErrorResult(True, 'You must use "from" in this '
'sentence.')
return models.ErrorResult(False)
def match(self, user_input):
# a one word is a one word answer, not an attempt at a sentence.
# will be captured by the short answer rule where necessary.
error = len(user_input) > 1 and common.head(user_input).pos_ != 'VERB'
if error:
return models.ErrorResult(
True, 'You need to use "is" '
'in your sentence.')
return models.ErrorResult(False)
def match(self, user_input):
result = False
for pattern in self.patterns:
if re.match(pattern, user_input.text) is not None:
result = True
if result:
return models.ErrorResult(True, 'For a woman, use "she".')
else:
return models.ErrorResult(False)
def match(self, user_input):
if re.match(r'^She is a Doctor(.)?$', user_input.text):
return models.ErrorResult(
True, 'For "doctor" use a small "d". '
'It is a noun. We only use a big '
'letter for a name or at the start '
'of a sentence.')
else:
return models.ErrorResult(False)
def match(self, user_input):
patterns = [r'^She is a cook(.)?$', r'^It is a cook(.)?$']
result = False
for pattern in patterns:
if re.match(pattern, user_input.text) is not None:
result = True
if result:
return models.ErrorResult(True, 'For a man, use "he".')
else:
return models.ErrorResult(False)
def how_are_you(user_input):
"""
Error set:
I'm fine thank you. [Missing comma]
"""
if re.match(r'.*[a-z]( thank you)(.)?$', user_input.text):
return models.ErrorResult(True,
'You must use a comma before "thank you".')
if re.match(r'.*[a-z]( thanks)(.)?$', user_input.text):
return models.ErrorResult(True,
'You must use a comma before "thanks".')
return models.ErrorResult(False)
def nice_to_meet_you(user_input):
"""
Error set:
Nice to meet you [missing ', too']
Nice to meet you too [missing ,
"""
r_1 = r'^Nice to meet you(.)?$'
if re.match(r_1, user_input.text):
return models.ErrorResult(True, 'You must say "too".')
r_2 = r'^Nice to meet you too(.)?$'
if re.match(r_2, user_input.text):
return models.ErrorResult(True, 'You must use a comma before "too".')
return models.ErrorResult(False)
def match(self, user_input):
head = common.head(user_input)
if head.pos_ == 'VERB':
if len(user_input) > head.i + 1:
next_token = user_input[head.i + 1]
if head.lemma_ == 'be' and next_token.pos_ == 'NOUN':
return models.ErrorResult(
True,
'You must use "a" or "an" before a noun like "%s"' %
next_token.text)
if head.lemma_ == 'have' and next_token.pos_ == 'ADJ':
return models.ErrorResult(
True, 'You must use "a" or "an" before a noun.')
return models.ErrorResult(False)
def match(self, user_input):
head = common.head(user_input)
if head.pos_ == 'VERB':
if len(user_input) > head.i + 1:
next_token = user_input[head.i + 1]
if next_token.pos_ == 'DET':
noun = user_input[head.i + 2]
vowel_at_front = noun.text[0] in common.VOWELS
if vowel_at_front and next_token.text == 'a':
return models.ErrorResult(
True, 'If a noun (like "%s") starts with a vowel'
' (%s), you must use "an".' %
(noun.text, ' '.join(common.VOWELS)))
if not vowel_at_front and next_token.text == 'an':
return models.ErrorResult(
True,
'If a noun (like "%s") does not start with a vowel '
'(%s), you must use "a".' %
(noun.text, ' '.join(common.VOWELS)))
return models.ErrorResult(False)
def match(self, user_input):
if user_input[0].pos_ == 'INTJ': # yes or no
head = common.head(user_input) # likely to be is
if user_input[0].text == 'Yes':
if len(user_input) > head.i + 1: # I think that maths is right
follow = user_input[head.i + 1]
if follow.pos_ == 'ADV' and follow.text in common.NEGATIONS:
return models.ErrorResult(
True, "If you want so say 'Yes', "
"then make sure to use 'is'")
if user_input[0].text == 'No':
if len(user_input) > head.i + 1:
follow = user_input[head.i + 1]
follow_error = follow.pos_ != 'ADV' \
and follow.text not in common.NEGATIONS
if follow_error or len(user_input) < head.i + 2:
return models.ErrorResult(
True, "If you want to say 'No', '"
"then make sure to use 'is "
"not' or 'isn't'.")
return models.ErrorResult(False)
def what_is_your_name(user_input):
"""
Error set:
1: He is Sina. [wrong subject]
2: invalid name
3: I am tim. [Non-capital name]
"""
# 1
incorrect_subjects = ['You', 'He', 'She', 'This']
head = next(t for t in user_input if t.head == t)
if user_input[0].text in incorrect_subjects:
return models.ErrorResult(
True, 'You must give me YOUR name. Start with "I"...')
# 2
if user_input.text in common.INVALID_NAMES:
return models.ErrorResult(True, 'That is not a name.')
# 3
if len(user_input) == 1 and user_input[0].is_lower:
return models.ErrorResult(
True, 'Your name must start with a big letter: '
'"Steve" and not "steve".')
if head.lemma_ == 'be':
right_children = list(head.rights)
if len(right_children) >= 1:
name = right_children[0] # first is all we want
# 2
if name.text in common.INVALID_NAMES:
return models.ErrorResult(True, 'That is not a name.')
# 3
if name.is_lower:
if name.pos_ == 'NOUN':
return models.ErrorResult(
True, 'Your name must start with a big letter: '
'"Steve" and not "steve".')
if name.pos_ == 'ADJ':
temp = NLP(name.text)
if temp[0].pos_ == 'NOUN':
return models.ErrorResult(
True, 'Your name must start with a big letter: '
'"Steve" and not "steve".')
return models.ErrorResult(False)
def how_old_are_you(user_input):
return models.ErrorResult(False)
def match(self, user_input):
if re.match(self.regex, user_input.text):
return models.ErrorResult(
True, 'Wrong subject. Please use %s' % self.expected_subject)
return models.ErrorResult(False)
def what_grade_are_you_in(user_input):
return models.ErrorResult(False)
def match(self, user_input):
if re.match(r"^((Yes|No), (she|it)|(She|It)) (is|isn't)(.)?$",
user_input.text):
return models.ErrorResult(True, 'He is a man. You must '
'use "he".')
return models.ErrorResult(False)
def match(self, user_input):
if re.match(r'Yes(, he is)?(.)?$', user_input.text):
return models.ErrorResult(True, 'Wrong answer.')
return models.ErrorResult(False)
def match(self, user_input):
if re.match(self.regex, user_input.text):
return models.ErrorResult(True, 'You must use a comma "," '
'after "No"')
else:
return models.ErrorResult(False)
def match(self, user_input):
if re.match(r'^My Father is a %s(.)?$' % common_regex.JOB,
user_input.text):
return models.ErrorResult(True, "Don't use a big 'F' for father.")
else:
return models.ErrorResult(False)
def match(self, user_input):
if user_input[0].is_lower:
return models.ErrorResult(
True, 'A sentence must start with a '
'big letter.')
return models.ErrorResult(False)