program_name = 'abc2ly'
version = '@TOPLEVEL_VERSION@'
+if version == '@' + 'TOPLEVEL_VERSION' + '@':
+ version = '1.2.6' # uGUHGUHGHGUGH
+
import __main__
import getopt
import sys
import re
import string
-try:
- import mpz
-except:
- sys.stderr.write ("This script needs Python 1.5.1\n")
- sys.exit (1)
-
+import os
-voice_idx_dict = {}
+voice_idx_dict = {}
header = {}
lyrics = []
voices = []
# assert 0
# current_voice_idx >= 0
-global_voice_stuff = []
default_len = 8
global_key = [0] * 7 # UGH
names = ["One", "Two", "Three"]
pass
-def dump_global (outf):
- outf.write ("\nglobal = \\notes{")
- for i in global_voice_stuff:
- outf.write (i);
- outf.write ("\n}")
-
def dump_header (outf,hdr):
outf.write ('\\header {')
def dump_score (outf):
outf.write (r"""\score{
- \notes<
- \global""")
+ \notes <
+""")
ks = voice_idx_dict.keys ();
ks.sort ()
if m:
__main__.default_len = string.atoi ( m.group (1))
+def set_default_len_from_time_sig (s):
+ m = re.search ('([0-9]+)/([0-9]+)', s)
+ if m:
+ n = string.atoi (m.group (1))
+ d = string.atoi (m.group (2))
+ if (n * 1.0 )/(d * 1.0) < 0.75:
+ default_len = 16
+ else:
+ default_len = 8
+
def gulp_file(f):
try:
i = open(f)
'5' : '4/5',
'6' : '4/6',
'7' : '6/7',
- '9': '8/9',
+ '9' : '8/9',
}
if g == 'M':
if a == 'C':
a = '4/4'
- global_voice_stuff.append ('\\time %s;' % a)
+# global_voice_stuff.append ('\\time %s;' % a)
+ set_default_len_from_time_sig (a)
+ voices_append ('\\time %s;' % a)
if g == 'K':
__main__.global_key =compute_key (a)# ugh.
+ voices_append ('\\key %s;' % a)
- global_voice_stuff.append ('\\key %s;' % a)
if g == 'O':
header ['origin'] = a
if g == 'X':
header_append ('history', a)
if g == 'B':
header ['book'] = a
+ if g == 'C':
+ header ['composer'] = a
if g == 'S':
header ['subtitle'] = a
if g == 'L':
base = 1
# (num / den) / defaultlen < 1/base
- while base * multiply_tup[0] < defaultlen * multiply_tup[1]:
+ while base * multiply_tup[0] < multiply_tup[1]:
base = base * 2
self.next_den = 1
self.parsing_tuplet = 0
-# return (num,den,dots)
+
+
+# return (str, num,den,dots)
def parse_duration (str, parser_state):
num = 0
den = parser_state.next_den
num = 1
if str[0] == '/':
- while str[0] == '/':
+ while str[:1] == '/':
str= str[1:]
d = 2
if str[0] in DIGITS:
den = den * d
+ den = den * default_len
+
current_dots = parser_state.next_dots
parser_state.next_dots = 0
+
+ while str[0] == ' ':
+ str = str [1:]
+
while str[0] == '>':
str = str [1:]
current_dots = current_dots + 1;
parser_state.next_den = parser_state.next_den * 2
-
+
while str[0] == '<':
str = str [1:]
den = den * 2
parser_state.next_dots = parser_state.next_dots + 1
-
+
+
+
+ try_dots = [3, 2, 1]
+ for d in try_dots:
+ f = 1 << d
+ multiplier = (2*f-1)
+ if num % multiplier == 0 and den % f == 0:
+ num = num / multiplier
+ den = den / f
+ current_dots = current_dots + d
return (str, num,den,current_dots)
def try_parse_articulation (str, state):
- if str and str[0] == '.':
+ if str[:1] =='.':
state.next_articulation = state.next_articulation + '-.'
str = str[1:]
+
+ if str[:1] =='~':
+ state.next_articulation = state.next_articulation + '-\\trill'
+ str = str[1:]
+ if str[:1] =='H':
+ state.next_articulation = state.next_articulation + '-\\fermata'
+ str = str[1:]
+
# s7m2 input doesnt care about spaces
if re.match('[ \t]*\(', str):
str = string.lstrip (str)
slur_begin =0
- while str and str[0] == '(' and str[1] not in DIGITS:
+ while str[:1] =='(' and str[1] not in DIGITS:
slur_begin = slur_begin + 1
state.next_articulation = state.next_articulation + '('
str = str[1:]
str = string.lstrip (str)
slur_end =0
- while str and str[0] == ')':
+ while str[:1] ==')':
slur_end = slur_end + 1
str = str[1:]
def try_parse_guitar_chord (str, state):
- if str and str[0] == '"':
+ if str[:1] =='"':
str = str[1:]
gc = ''
while str and str[0] != '"':
return str
str = str[1:]
- if str and str[0] == 'K':
+ if str[:1] =='K':
key_table = compute_key ()
return str
# :| left repeat
# |: right repeat
# :: left-right repeat
-#
+# |1 volta 1
+# |2 volta 2
+bar_dict = {
+'|]' : '|.',
+'||' : '||',
+'[|' : '||',
+':|' : ':|',
+'|:' : '|:',
+'::' : '::',
+'|1' : '|',
+'|2' : '|',
+':|2' : ':|'
+}
+
+
+warn_about = ['|:', '::', ':|', '|1', ':|2', '|2']
def try_parse_bar (str,state):
- if str and str[0] == '|':
+ bs = None
+
+ # first try the longer one
+ for trylen in [3,2]:
+ if str[:trylen] and bar_dict.has_key (str[:trylen]):
+ s = str[:trylen]
+ bs = "\\bar \"%s\";" % bar_dict[s]
+ if s in warn_about:
+ sys.stderr.write('Warning kludging for barline `%s\'\n' % s)
+ str = str[trylen:]
+ break
- if state.parsing_tuplet:
- state.parsing_tuplet =0
- voices_append ('} ')
-
- bs = ''
+ if str[:1] == '|':
+ bs = '|\n'
str = str[1:]
- if str:
- if str[0] == ']':
- bs = '|.'
- if str[0] == '|':
- bs = '||'
- if str[0] == '|:':
- sys.stderr.write ("warning: repeat kludge\n")
- bs = '|:'
- if bs:
- voices_append ('\\bar "%s";' % bs)
- str = str[1:]
-
- if str and str[:2] == '[|':
- if state.parsing_tuplet:
- state.parsing_tuplet =0
- voices_append ('} ')
- sys.stderr.write ("warning: thick-thin bar kludge\n")
- voices_append ('\\bar "||";')
- str = str[2:]
-
- if str and str[:2] == ':|':
+
+ if bs <> None:
if state.parsing_tuplet:
state.parsing_tuplet =0
voices_append ('} ')
- sys.stderr.write ("warning: repeat kludge\n")
- voices_append ('\\bar ":|:";')
- str = str[2:]
-
- if str and str[:2] == '::':
- if state.parsing_tuplet:
- state.parsing_tuplet =0
- voices_append ('} ')
-
- sys.stderr.write ("warning: repeat kludge\n")
- voices_append ('\\bar ":|:";')
- str = str[2:]
+ voices_append (bs)
return str
-
+
def try_parse_tie (str):
- if str and str[0] == '-':
+ if str[:1] =='-':
str = str[1:]
voices_append (' ~ ')
return str
def try_parse_chord_delims (str):
- if str and str[0] == '[':
+ if str[:1] =='[':
str = str[1:]
voices_append ('<')
ch = ''
- if str and str[0] == ']':
+ if str[:1] ==']':
str = str[1:]
ch = '>'
end = 0
- while str and str[0] == ')':
+ while str[:1] ==')':
end = end + 1
str = str[1:]
return str
def try_parse_grace_delims (str):
- if str and str[0] == '{':
+ if str[:1] =='{':
str = str[1:]
voices_append ('\\grace { ')
- if str and str[0] == '}':
+ if str[:1] =='}':
str = str[1:]
voices_append ('}')
state = Parser_state ()
lineno = 0
- sys.stderr.write ("Parsing line ... ")
+ sys.stderr.write ("Line ... ")
sys.stderr.flush ()
for ln in ls:
def help ():
print r"""
-This is an ABC to mudela convertor.
+Convert ABC to Mudela.
-Usage: abc2ly INPUTFILE
+Usage: abc2ly [OPTION]... ABC-FILE
--h, --help this help.
--o, --output set output filename
+Options:
+ -h, --help this help
+ -o, --output=FILE set output filename to FILE
+ -v, --version version information
"""
+def print_version ():
+ print r"""abc2ly (GNU lilypond) %s""" % version
-identify()
-(options, files) = getopt.getopt (sys.argv[1:], 'o:h', ['help', 'output='])
+
+(options, files) = getopt.getopt (sys.argv[1:], 'vo:h', ['help','version', 'output='])
out_filename = ''
for opt in options:
a = opt[1]
if o== '--help' or o == '-h':
help ()
+ sys.exit (0)
+ if o == '--version' or o == '-v':
+ print_version ()
+ sys.exit(0)
+
if o == '--output' or o == '-o':
out_filename = a
else:
print o
raise getopt.error
+identify()
+header['tagline'] = 'Lily was here %s -- automatically converted from ABC' % version
for f in files:
if f == '-':
f = ''
+ sys.stderr.write ('Parsing... [%s]\n' % f)
parse_file (f)
- outf = None
- if out_filename:
- outf = open (out_filename, 'w')
- else:
- outf = sys.stdout
-
+ if not out_filename:
+ out_filename = os.path.basename (os.path.splitext (f)[0]) + ".ly"
+ sys.stderr.write ('Ly output to: %s...' % out_filename)
+ outf = open (out_filename, 'w')
- dump_global (outf)
+# dump_global (outf)
dump_lyrics (outf)
dump_voices (outf)
dump_score (outf)
-
+ sys.stderr.write ('\n')