def new_question(self, L, H):
"""
Return values:
OK: new question created, all ok
ERR_NO_INTERVALLS: no new question because no intervals are selected
ERR_PICKY: you have to solve this question before you are allowed to create new
"""
if self.m_timeout_handle:
gobject.source_remove(self.m_timeout_handle)
self.m_timeout_handle = None
if solfege.app.m_test_mode:
old_tonika = self.m_tonika
if old_tonika:
old_toptone = old_tonika + self.m_interval
self.m_P.next_test_question()
self.m_interval = self.m_P.m_test_questions[self.m_P.m_test_idx]
# FIXME use tone pitch range from preferences window.
self.m_tonika = mpd.MusicalPitch()
# Do this loop to make sure two questions in a row does not have
# the same top or bottom tone.
while True:
self.m_tonika.randomize("f", "f'")
if not old_tonika:
break
if old_tonika != self.m_tonika and self.m_tonika + self.m_interval != old_toptone:
break
self.q_status = self.QSTATUS_NEW
return self.OK
if self.get_bool("config/picky_on_new_question") and self.q_status in [self.QSTATUS_NEW, self.QSTATUS_WRONG]:
return Teacher.ERR_PICKY
if self.get_list("intervals") == []:
self.q_status = self.QSTATUS_NO
return Teacher.ERR_NO_INTERVALLS
last_question = self.m_interval
last_tonika = self.m_tonika
L, H = utils.adjust_low_high_to_irange(L, H, self.get_list("intervals"))
while 1:
# in this loop we will try to make a question that is not the
# same that the last one.
self.m_tonika, self.m_interval = utils.random_tonika_and_interval(L, H, self.get_list("intervals"))
if last_question is None:
break
if (self.m_interval == last_question and self.m_tonika == last_tonika) and (
len(self.get_list("intervals")) > 1 or (H - L) > 1
):
continue
break
assert self.m_tonika
self.q_status = self.QSTATUS_NEW
return Teacher.OK
def new_question(self, L, H):
assert isinstance(L, basestring)
assert isinstance(H, basestring)
if self.get_list('ask_for_intervals_0') == []:
return self.ERR_CONFIGURE
L, H = utils.adjust_low_high_to_irange(L, H,
self.get_list('ask_for_intervals_0'))
if self.m_timeout_handle:
gobject.source_remove(self.m_timeout_handle)
self.m_timeout_handle = None
if solfege.app.m_test_mode:
old_tonika = self.m_tonika
if old_tonika:
old_toptone = old_tonika + self.m_question[0]
self.m_P.next_test_question()
self.m_question = [self.m_P.m_test_questions[self.m_P.m_test_idx]]
#FIXME use tone pitch range from preferences window.
self.m_tonika = mpd.MusicalPitch()
# Do this loop to make sure two questions in a row does not have
# the same top or bottom tone.
while True:
self.m_tonika.randomize("f", "f'")
if not old_tonika:
break
if old_tonika != self.m_tonika and self.m_tonika + self.m_question[0] != old_toptone:
break
self.q_status = self.QSTATUS_NEW
return self.OK
if self.get_bool('config/picky_on_new_question') \
and self.q_status in [self.QSTATUS_NEW, self.QSTATUS_WRONG]:
return self.ERR_PICKY
self.q_status = self.QSTATUS_NO
last_tonika = self.m_tonika
last_question = self.m_question
for x in range(10):# we try max 10 times to get a question that
# is different from the last one.
self.m_tonika, i = utils.random_tonika_and_interval(L, H,
self.get_list('ask_for_intervals_0'))
self.m_question = [i]
t = self.m_tonika + i
for x in range(1, self.get_int('number_of_intervals=1')):
if not self.get_list('ask_for_intervals_%i' % x):
return self.ERR_CONFIGURE
i = utils.random_interval(t, L, H,
self.get_list('ask_for_intervals_%i' % x))
if not i:
# if we can't find an interval that is with the range
# we, find the interval that is closest to the range
# of notes the user want. This mean that the questions
# are not necessarily that random.
low = mpd.MusicalPitch.new_from_int(L)
high = mpd.MusicalPitch.new_from_int(H)
off = 1000
best = None
for interval in self.get_list('ask_for_intervals_%i'%x):
try:
if t + interval > high:
if t + interval - high < off:
off = t + interval - high
best = interval
if t + interval < low:
if low - (t + interval) < off:
off = low - (t + interval)
best = interval
except ValueError:
return self.ERR_CONFIGURE
i = best
self.m_question.append(i)
t = t + i
if last_tonika is not None \
and last_tonika == self.m_tonika \
and last_question == self.m_question:
continue
break
self.q_status = self.QSTATUS_NEW
return self.OK
