def parse_id666(data):
#http://snesmusic.org/files/spc_file_format.txt
tags = {}
tags["title"] = data[:32]
tags["album"] = data[32:64]
tags["dumper"] = data[64:80]
tags["comments"] = data[80:112]
# Artist differs based on binary or text mode, which is implicit.
# Instead of detecting "perfectly", we'll just detect enough for
# the "artist" field. This fails for artist names that begin with
# numbers or symbols less than ascii value A.
if getbyte(data, 130) < b'A':
try:
tags["~#length"] = int(data[123:126].strip(b"\x00"))
except ValueError:
pass
tags["artist"] = data[131:163]
else:
tags["artist"] = data[130:162]
for k in listkeys(tags):
if k[:2] == "~#":
continue
tags[k] = tags[k].replace(b"\x00", b"").decode("ascii", "ignore")
if not tags[k]:
del tags[k]
return tags
def parse_id666(data):
#http://snesmusic.org/files/spc_file_format.txt
tags = {}
tags["title"] = data[:32]
tags["album"] = data[32:64]
tags["dumper"] = data[64:80]
tags["comments"] = data[80:112]
# Artist differs based on binary or text mode, which is implicit.
# Instead of detecting "perfectly", we'll just detect enough for
# the "artist" field. This fails for artist names that begin with
# numbers or symbols less than ascii value A.
if getbyte(data, 130) < b'A':
try:
tags["~#length"] = int(data[123:126].strip(b"\x00"))
except ValueError:
pass
tags["artist"] = data[131:163]
else:
tags["artist"] = data[130:162]
for k in listkeys(tags):
if k[:2] == "~#":
continue
tags[k] = tags[k].replace(b"\x00", b"").decode("ascii", "ignore")
if not tags[k]:
del tags[k]
return tags
def __init__(self, filename):
with translate_errors():
with open(filename, "rb") as h:
head = h.read(46)
if len(head) != 46 or head[:27] != b"SNES-SPC700 Sound File Data":
raise IOError("Not a valid SNES-SPC700 file")
if getbyte(head, 35) == b"\x1a":
data = h.read(210)
if len(data) == 210:
self.update(parse_id666(data))
self.setdefault("title", fsdecode(os.path.basename(filename)[:-4]))
self.sanitize(filename)
def __init__(self, filename):
with translate_errors():
with open(filename, "rb") as h:
head = h.read(46)
if len(head) != 46 or \
head[:27] != b'SNES-SPC700 Sound File Data':
raise IOError("Not a valid SNES-SPC700 file")
if getbyte(head, 35) == b'\x1a':
data = h.read(210)
if len(data) == 210:
self.update(parse_id666(data))
self.setdefault("title", fsdecode(os.path.basename(filename)[:-4]))
self.sanitize(filename)