UNDEF = 255
state = UNDEF
+strict = 0
voice_idx_dict = {}
header = {}
header['footnotes'] = ''
DIGITS='0123456789'
alphabet="ABCDEFGHIJKLMNOPQRSTUVWXYZ"
HSPACE=' \t'
+midi_specs = ''
+
+def error (msg):
+ sys.stderr.write (msg)
+ if strict:
+ sys.exit (1)
+
def check_clef(s):
if not s:
ks = voice_idx_dict.keys()
ks.sort ()
for k in ks:
+ if re.match('[1-9]', k):
+ m = alphabet[string.atoi(k)]
+ else:
+ m = k
for i in range (len(slyrics[voice_idx_dict[k]])):
l=alphabet[i]
- outf.write ("\nwords%sV%s = \\lyrics {" % (k, l))
+ outf.write ("\nwords%sV%s = \\lyrics {" % (m, l))
outf.write ("\n" + slyrics [voice_idx_dict[k]][i])
outf.write ("\n}")
ks = voice_idx_dict.keys()
ks.sort ()
for k in ks:
- outf.write ("\nvoice%s = \\notes {" % k)
+ if re.match ('[1-9]', k):
+ m = alphabet[string.atoi(k)]
+ else:
+ m = k
+ outf.write ("\nvoice%s = \\notes {" % m)
dump_default_bar(outf)
if repeat_state[voice_idx_dict[k]]:
outf.write("\n\\repeat volta 2 {")
outf.write("}")
outf.write ("\n}")
+def try_parse_q(a):
+ global midi_specs
+ #assume that Q takes the form "Q:1/4=120"
+ #There are other possibilities, but they are deprecated
+ if string.count(a, '/') == 1:
+ array=string.split(a,'/')
+ numerator=array[0]
+ if numerator != 1:
+ sys.stderr.write("abc2ly: Warning, unable to translate a Q specification with a numerator of %s: %s\n" % (numerator, a))
+ array2=string.split(array[1],'=')
+ denominator=array2[0]
+ perminute=array2[1]
+ duration=str(string.atof(denominator)/string.atoi(numerator))
+ midi_specs=string.join(["\\tempo", duration, "=", perminute])
+ else:
+ sys.stderr.write("abc2ly: Warning, unable to parse Q specification: %s\n" % a)
+
def dump_score (outf):
outf.write (r"""\score{
\notes <
ks = voice_idx_dict.keys ();
ks.sort ()
for k in ks:
+ if re.match('[1-9]', k):
+ m = alphabet[string.atoi(k)]
+ else:
+ m = k
if k == 'default' and len (voice_idx_dict) > 1:
break
if len ( slyrics [voice_idx_dict[k]] ):
outf.write ("\n\t\\context Staff=\"%s\"\n\t{\n" %k )
if k != 'default':
outf.write ("\t \\voicedefault\n")
- outf.write ("\t \\voice%s " % k)
+ outf.write ("\t \\voice%s " % m)
outf.write ("\n\t}\n")
if len ( slyrics [voice_idx_dict[k]] ):
outf.write ("\n\t\\context Lyrics=\"%s\" \n\t<\t" % k)
+ if re.match('[1-9]',k):
+ m = alphabet[string.atoi(k)]
+ else:
+ m = k
for i in range (len(slyrics[voice_idx_dict[k]])):
l=alphabet[i]
- outf.write("\n\t { \\words%sV%s }" % ( k, l) )
+ outf.write("\n\t { \\words%sV%s }" % ( m, l) )
outf.write ( "\n\t>\n" )
outf.write ("\n >")
outf.write ("\n\t\\paper {\n")
if part_names:
outf.write ("\t \\translator \n\t {\n")
outf.write ("\t\t\\StaffContext\n")
- outf.write ("\t\t\\consists Staff_margin_engraver\n")
+# outf.write ("\t\t\\consists Staff_margin_engraver\n")
outf.write ("\t }\n")
- outf.write ("\t}\n\t\\midi {}\n}\n")
+ outf.write ("\t}\n\t\\midi {%s}\n}\n" % midi_specs)
n = i.tell ()
i.seek (0,0)
except:
- sys.stderr.write ("can't open file: %s\n" % f)
+ sys.stderr.write ("can't open file: `%s'\n" % f)
return ''
s = i.read (n)
if len (s) <= 0:
- sys.stderr.write ("gulped empty file: %s\n" % f)
+ sys.stderr.write ("gulped empty file: `%s'\n" % f)
i.close ()
return s
type = k[0:3]
if key_lookup.has_key(type):
return("%s \\%s" % ( key, key_lookup[type]))
- sys.stderr.write("Unknown key type %s ignored\n" % type)
+ sys.stderr.write("Unknown key type `%s' ignored\n" % type)
return key
def shift_key (note, acc , shift):
key_count = flat_key_seq.index (keytup)
accseq = map (lambda x: (3*x + 3 ) % 7, range (1, key_count + 1))
else:
+ error ("Huh?")
raise "Huh"
key_table = [0] * 7
lyrics_append(a)
if g == 'w': # vocals
slyrics_append (a)
-
+ if g == 'Q': #tempo
+ try_parse_q (a)
return ''
return ln
(str, num) = parse_num (str)
if not num:
num = 1
-
- if str[0] == '/':
- while str[:1] == '/':
- str= str[1:]
- d = 2
- if str[0] in DIGITS:
- (str, d) =parse_num (str)
+ if len(str):
+ if str[0] == '/':
+ if len(str[0]):
+ while str[:1] == '/':
+ str= str[1:]
+ d = 2
+ if str[0] in DIGITS:
+ (str, d) =parse_num (str)
- den = den * d
+ den = den * d
den = den * default_len
while str and artic_tbl.has_key(str[:1]):
state.next_articulation = state.next_articulation + artic_tbl[str[:1]]
if not artic_tbl[str[:1]]:
- sys.stderr.write("Warning: ignoring %s\n" % str[:1] )
+ sys.stderr.write("Warning: ignoring `%s'\n" % str[:1] )
str = str[1:]
ln = junk_space (ln)
if ln:
- msg = "%s: %d: Huh? Don't understand\n" % (fn, lineno)
- sys.stderr.write (msg)
+ error ("%s: %d: Huh? Don't understand\n" % (fn, lineno))
left = orig_ln[0:-len (ln)]
sys.stderr.write (left + '\n')
sys.stderr.write (' ' * len (left) + ln + '\n')
-h, --help this help
-o, --output=FILE set output filename to FILE
-v, --version version information
-
+ -s, --strict be strict about succes.
+
This program converts ABC music files (see
http://www.gre.ac.uk/~c.walshaw/abc2mtex/abc.txt) To LilyPond input.
"""
-(options, files) = getopt.getopt (sys.argv[1:], 'vo:h', ['help','version', 'output='])
+(options, files) = getopt.getopt (sys.argv[1:], 'vo:hs', ['help','version', 'output=', 'strict'])
out_filename = ''
for opt in options:
if o== '--help' or o == '-h':
help ()
sys.exit (0)
- if o == '--version' or o == '-v':
+ elif o == '--version' or o == '-v':
print_version ()
sys.exit(0)
-
- if o == '--output' or o == '-o':
+ elif o == '--strict' or o == '-s':
+ strict = 1
+ elif o == '--output' or o == '-o':
out_filename = a
else:
print o
if f == '-':
f = ''
- sys.stderr.write ('Parsing... [%s]\n' % f)
+ sys.stderr.write ('Parsing `%s\'...\n' % f)
parse_file (f)
if not out_filename:
out_filename = os.path.basename (os.path.splitext (f)[0]) + ".ly"
- sys.stderr.write ('Ly output to: %s...' % out_filename)
+ sys.stderr.write ('lilypond output to: `%s\'...' % out_filename)
outf = open (out_filename, 'w')
# dump_global (outf)