def getPgroup(self, ev):
""" Get group for bass pattern.
Fields - start, length, note, volume
"""
if len(ev) != 4:
error("There must be n groups of 4 in a pattern definition, "
"not <%s>" % ' '.join(ev))
a = Pgroup()
a.offset = self.setBarOffset(ev[0])
a.duration = MMA.notelen.getNoteLen(ev[1])
a.addoctave = 0
# parse the offset (field 3) ... n[n][#s&b+-]
offset = ev[2]
point = 0
while (offset[point:point + 1].isdigit()): # grab digit(s) >1
point += 1
n = int(offset[0:point])
if n < 1:
error("Note offset in Bass must be greater that 0, not '%s'." % n)
while n > 7:
n -= 7
a.addoctave += 12
a.noteoffset = n - 1
emsg = offset[point:]
n = offset[point:point + 1] # grab accidental
if n == '#' or n == 'S':
a.accidental = 1
point += 1
elif n == 'B' or n == '&':
a.accidental = -1
point += 1
else:
a.accidental = 0
for n in ev[2][point:]: # octave modifiers
if n == '+':
a.addoctave += 12
elif n == '-':
a.addoctave -= 12
else:
error(
"Only '- + # b &' are permitted after a noteoffset, not '%s'"
% emsg)
# and, finally, the volume
a.vol = stoi(ev[3], "Note volume in Bass definition not int")
return a
def getPgroup(self, ev):
""" Get group for bass pattern.
Fields - start, length, note, volume
"""
if len(ev) != 4:
error("There must be n groups of 4 in a pattern definition, "
"not <%s>" % ' '.join(ev))
a = Pgroup()
a.offset = self.setBarOffset(ev[0])
a.duration = MMA.notelen.getNoteLen(ev[1])
offset = ev[2]
n = offset[0]
if n in "1234567":
a.noteoffset = int(n) - 1
else:
error("Note offset in Bass must be '1'...'7', not '%s'" % n)
n = offset[1:2]
if n == "#":
a.accidental = 1
ptr = 2
elif n == 'B' or n == '&':
a.accidental = -1
ptr = 2
else:
a.accidental = 0
ptr = 1
a.addoctave = 0
for n in ev[2][ptr:]:
if n == '+':
a.addoctave += 12
elif n == '-':
a.addoctave -= 12
else:
error(
"Only '- + # b &' are permitted after a noteoffset, not '%s'"
% n)
a.vol = stoi(ev[3], "Note volume in Bass definition not int")
return a
def getPgroup(self, ev):
""" Get group for bass pattern.
Fields - start, length, note, volume
"""
if len(ev) != 4:
error("There must be n groups of 4 in a pattern definition, "
"not <%s>" % ' '.join(ev))
a = Pgroup()
a.offset = self.setBarOffset(ev[0])
a.duration = MMA.notelen.getNoteLen(ev[1])
offset = ev[2]
n = offset[0]
if n in "1234567":
a.noteoffset = int(n) - 1
else:
error("Note offset in Bass must be '1'...'7', not '%s'" % n)
n = offset[1:2]
if n == "#":
a.accidental = 1
ptr = 2
elif n == 'B' or n == '&':
a.accidental = -1
ptr = 2
else:
a.accidental = 0
ptr = 1
a.addoctave = 0
for n in ev[2][ptr:]:
if n == '+':
a.addoctave += 12
elif n == '-':
a.addoctave -= 12
else:
error("Only '- + # b &' are permitted after a noteoffset, not '%s'" % n)
a.vol = stoi(ev[3], "Note volume in Bass definition not int")
return a