import new
import string
from rational import *
+import re
+
+def escape_ly_output_string (input_string):
+ return_string = input_string
+ needs_quotes = not re.match ("^[a-zA-ZäöüÜÄÖßñ]*$", return_string);
+ if needs_quotes:
+ return_string = "\"" + string.replace (return_string, "\"", "\\\"") + "\""
+ return return_string
+
class Xml_node:
def __init__ (self):
def get_creator (self, type):
creators = self.get_named_children ('creator')
- # return the first creator tag that has type 'editor'
+ # return the first creator tag that has the particular type
for i in creators:
if hasattr (i, 'type') and i.type == type:
return i.get_text ()
class Hash_comment (Music_xml_node):
pass
+class Hash_text (Music_xml_node):
+ pass
class Pitch (Music_xml_node):
def get_step (self):
print 'error: requested time signature, but time sig unknown'
return (4, 4)
- def get_clef_sign (self):
+ # returns clef information in the form ("cleftype", position, octave-shift)
+ def get_clef_information (self):
+ clefinfo = ['G', 2, 0]
mxl = self.get_named_attribute ('clef')
+ if not mxl:
+ return clefinfo
sign = mxl.get_maybe_exist_named_child ('sign')
if sign:
- return sign.get_text ()
- else:
- print 'clef requested, but unknow'
- return 'G'
+ clefinfo[0] = sign.get_text()
+ line = mxl.get_maybe_exist_named_child ('line')
+ if line:
+ clefinfo[1] = string.atoi (line.get_text ())
+ octave = mxl.get_maybe_exist_named_child ('clef-octave-change')
+ if octave:
+ clefinfo[2] = string.atoi (octave.get_text ())
+ return clefinfo
def get_key_signature (self):
"return (fifths, mode) tuple"
self.instrument_name = ''
def get_duration_log (self):
- ch = self.get_maybe_exist_typed_child (get_class (u'type'))
+ ch = self.get_maybe_exist_typed_child (get_class (u'type'))
- if ch:
- log = ch.get_text ().strip()
- return {'eighth': 3,
+ if ch:
+ log = ch.get_text ().strip()
+ return {'256th': 8,
+ '128th': 7,
+ '64th': 6,
+ '32nd': 5,
+ '16th': 4,
+ 'eighth': 3,
'quarter': 2,
'half': 1,
- '16th': 4,
- '32nd': 5,
- 'breve': -1,
- 'long': -2,
- 'whole': 0}.get (log)
- else:
- return 0
+ 'whole': 0,
+ 'breve': -1,
+ 'long': -2}.get (log, 0)
+ else:
+ sys.stderr.write ("Encountered note without duration (no <type> element): %s\n" % self)
+ return 0
def get_factor (self):
- return 1
+ return 1
def get_pitches (self):
- return self.get_typed_children (get_class (u'pitch'))
+ return self.get_typed_children (get_class (u'pitch'))
class Part_list (Music_xml_node):
def __init__ (self):
elif text == "_" and continued:
return "__"
elif continued and text:
- return "\"" + text + "\" --"
+ return escape_ly_output_string (text) + " --"
elif continued:
return "--"
elif text:
- return "\"" + text + "\""
+ return escape_ly_output_string (text)
else:
return ""
measure_start_moment = now
measure_position = Rational (0)
for n in m.get_all_children ():
+ if isinstance (n, Hash_text):
+ continue
dur = Rational (0)
if n.__class__ == Attributes:
and n.get_maybe_exist_typed_child (Chord)):
now = last_moment
measure_position = last_measure_position
-
- last_moment = now
- last_measure_position = measure_position
- n._when = now
+ n._when = now
n._measure_position = measure_position
- n._duration = dur
- now += dur
- measure_position += dur
+ n._duration = dur
+ if dur > Rational (0):
+ last_moment = now
+ last_measure_position = measure_position
+ now += dur
+ measure_position += dur
if n._name == 'note':
instrument = n.get_maybe_exist_named_child ('instrument')
if instrument:
self.editorial = False
self.cautionary = False
+class Music_xml_spanner (Music_xml_node):
+ def get_type (self):
+ if hasattr (self, 'type'):
+ return self.type
+ else:
+ return 0
+ def get_size (self):
+ if hasattr (self, 'size'):
+ return string.atoi (self.size)
+ else:
+ return 0
+
+class Wedge (Music_xml_spanner):
+ pass
-class Tuplet(Music_xml_node):
+class Tuplet (Music_xml_spanner):
pass
-class Slur (Music_xml_node):
+class Slur (Music_xml_spanner):
def get_type (self):
return self.type
-class Beam (Music_xml_node):
+class Beam (Music_xml_spanner):
def get_type (self):
return self.get_text ()
def is_primary (self):
return self.number == "1"
+
+class Wavy_line (Music_xml_spanner):
+ pass
+class Pedal (Music_xml_spanner):
+ pass
+
+class Glissando (Music_xml_spanner):
+ pass
+
+class Octave_shift (Music_xml_spanner):
+ # default is 8 for the octave-shift!
+ def get_size (self):
+ if hasattr (self, 'size'):
+ return string.atoi (self.size)
+ else:
+ return 8
+
class Chord (Music_xml_node):
pass
class DirType (Music_xml_node):
pass
+class Bend (Music_xml_node):
+ def bend_alter (self):
+ alter = self.get_maybe_exist_named_child ('bend-alter')
+ if alter:
+ return alter.get_text()
+ else:
+ return 0
+
+
## need this, not all classes are instantiated
## for every input file. Only add those classes, that are either directly
## used by class name or extend Music_xml_node in some way!
class_dict = {
'#comment': Hash_comment,
+ '#text': Hash_text,
'accidental': Accidental,
'attributes': Attributes,
'beam' : Beam,
+ 'bend' : Bend,
'chord': Chord,
'dot': Dot,
'direction': Direction,
'direction-type': DirType,
'duration': Duration,
+ 'glissando': Glissando,
'grace': Grace,
'identification': Identification,
'lyric': Lyric,
'measure': Measure,
'notations': Notations,
'note': Note,
+ 'octave-shift': Octave_shift,
'part': Part,
'part-list': Part_list,
+ 'pedal': Pedal,
'pitch': Pitch,
'rest': Rest,
'slur': Slur,
+ 'staff': Staff,
'syllabic': Syllabic,
'text': Text,
'time-modification': Time_modification,
+ 'tuplet': Tuplet,
'type': Type,
+ 'wavy-line': Wavy_line,
+ 'wedge': Wedge,
'work': Work,
}