def parse(lines):
"""returns a TOCFile object from an iterator of lines
raises TOCException if some problem occurs parsing the file"""
TRACKLINE = re.compile(r'TRACK AUDIO')
lines = list(lines)
if ('CD_DA' not in [line.strip() for line in lines]):
raise TOCException(_(u"No CD_DA TOC header found"))
lines = iter(lines)
toc = TOCFile()
track = None
track_number = 0
line_number = 0
try:
while (True):
line_number += 1
line = lines.next().strip()
if (len(line) == 0):
pass
elif (TRACKLINE.match(line)):
if (track is not None):
toc.tracks[track.number] = track
track_number += 1
track = Track(track_number)
else:
if (track is not None):
track.lines.append(line)
if (line.startswith('FILE') or
line.startswith('AUDIOFILE')):
if ('"' in line):
track.indexes = map(
parse_timestamp,
re.findall(r'\d+:\d+:\d+|\d+',
line[line.rindex('"') + 1:]))
else:
track.indexes = map(
parse_timestamp,
re.findall(r'\d+:\d+:\d+|\d+',
line))
elif (line.startswith('START')):
track.start = parse_timestamp(line[len('START '):])
else:
toc.lines.append(line)
except StopIteration:
if (track is not None):
toc.tracks[track.number] = track
return toc
def parse(lines):
"""Returns a TOCFile object from an iterator of lines.
Raises TOCException if some problem occurs parsing the file."""
TRACKLINE = re.compile(r'TRACK AUDIO')
lines = list(lines)
if ('CD_DA' not in [line.strip() for line in lines]):
raise TOCException(_(u"No CD_DA TOC header found"))
lines = iter(lines)
toc = TOCFile()
track = None
track_number = 0
line_number = 0
try:
while (True):
line_number += 1
line = lines.next().strip()
if (len(line) == 0):
pass
elif (TRACKLINE.match(line)):
if (track is not None):
toc.tracks[track.number] = track
track_number += 1
track = Track(track_number)
else:
if (track is not None):
track.lines.append(line)
if (line.startswith('FILE')
or line.startswith('AUDIOFILE')):
if ('"' in line):
track.indexes = map(
parse_timestamp,
re.findall(r'\d+:\d+:\d+|\d+',
line[line.rindex('"') + 1:]))
else:
track.indexes = map(
parse_timestamp,
re.findall(r'\d+:\d+:\d+|\d+', line))
elif (line.startswith('START')):
track.start = parse_timestamp(line[len('START '):])
else:
toc.lines.append(line)
except StopIteration:
if (track is not None):
toc.tracks[track.number] = track
return toc
def parse(lines):
"""Returns a TOCFile object from an iterator of lines.
Raises TOCException if some problem occurs parsing the file."""
TRACKLINE = re.compile(r"TRACK AUDIO")
lines = list(lines)
if "CD_DA" not in [line.strip() for line in lines]:
raise TOCException(_(u"No CD_DA TOC header found"))
lines = iter(lines)
toc = TOCFile()
track = None
track_number = 0
line_number = 0
try:
while True:
line_number += 1
line = lines.next().strip()
if len(line) == 0:
pass
elif TRACKLINE.match(line):
if track is not None:
toc.tracks[track.number] = track
track_number += 1
track = Track(track_number)
else:
if track is not None:
track.lines.append(line)
if line.startswith("FILE") or line.startswith("AUDIOFILE"):
if '"' in line:
track.indexes = map(
parse_timestamp, re.findall(r"\d+:\d+:\d+|\d+", line[line.rindex('"') + 1 :])
)
else:
track.indexes = map(parse_timestamp, re.findall(r"\d+:\d+:\d+|\d+", line))
elif line.startswith("START"):
track.start = parse_timestamp(line[len("START ") :])
else:
toc.lines.append(line)
except StopIteration:
if track is not None:
toc.tracks[track.number] = track
return toc
def __parse__(lines):
"""returns a TOCFile object from an iterator of lines
raises TOCException if some problem occurs parsing the file"""
import re
from fractions import Fraction
from audiotools import parse_timestamp, Sheet, SheetTrack, SheetIndex
CATALOG = re.compile(r'CATALOG\s*"(.*?)"')
AUDIOFILE = re.compile(
r'(AUDIO)?FILE\s*".*?"\s*(\d+:\d+:\d+|\d+)\s*(\d+:\d+:\d+|\d+)?')
ISRC = re.compile(r'ISRC\s*"(.*)"')
START = re.compile(r'START\s*(\d+:\d+:\d+|\d+)')
INDEX = re.compile(r'INDEX\s*(\d+:\d+:\d+|\d+)')
def make_indexes(index_start, index_offsets):
for (number, offset) in enumerate(index_offsets, index_start):
yield SheetIndex(number, Fraction(offset, 75))
lines = list(lines)
#FIXME - make this less stupid
if ('CD_DA' not in [line.strip() for line in lines]):
from .text import ERR_TOC_NO_HEADER
raise TOCException(ERR_TOC_NO_HEADER)
lines = iter(lines)
cuesheet_tracks = []
cuesheet_catalog_number = None
track_number = None
track_audio = True
track_ISRC = None
index_start = 1
index_offsets = []
line_number = 0
try:
while (True):
line_number += 1
line = lines.next().strip()
if (len(line) == 0):
pass
elif (line == "TRACK AUDIO"):
#start a new track
if (track_number is not None):
cuesheet_tracks.append(
SheetTrack(track_number,
list(make_indexes(index_start,
index_offsets)),
track_audio,
track_ISRC))
track_number += 1
track_indexes = []
track_audio = True
track_ISRC = None
else:
track_number = 1
elif (track_number is not None):
#first index, which may be 1 or 0
first_index = AUDIOFILE.match(line)
if (first_index is not None):
index_start = 1
index_offsets = [parse_timestamp(first_index.group(2))]
continue
start = START.match(line)
if (start is not None):
#first index point is number 0
#and add a new index point number 1
assert(len(index_offsets) == 1)
index_start = 0
index_offsets.append(
index_offsets[0] + parse_timestamp(start.group(1)))
continue
index = INDEX.match(line)
if (index is not None):
#add a new index point
index_offsets.append(parse_timestamp(index.group(1)))
continue
isrc = ISRC.match(line)
if (isrc is not None):
#add ISRC to track
track_ISRC = isrc.group(1)
else:
catalog = CATALOG.match(line)
if (catalog is not None):
cuesheet_catalog_number = catalog.group(1)
continue
except StopIteration:
if (track_number is not None):
cuesheet_tracks.append(
SheetTrack(track_number,
list(make_indexes(index_start,
index_offsets)),
track_audio,
track_ISRC))
return Sheet(cuesheet_tracks, cuesheet_catalog_number)
def __parse__(lines):
"""returns a TOCFile object from an iterator of lines
raises TOCException if some problem occurs parsing the file"""
import re
from fractions import Fraction
from audiotools import parse_timestamp, Sheet, SheetTrack, SheetIndex
CATALOG = re.compile(r'CATALOG\s*"(.*?)"')
AUDIOFILE = re.compile(
r'(AUDIO)?FILE\s*".*?"\s*(\d+:\d+:\d+|\d+)\s*(\d+:\d+:\d+|\d+)?')
ISRC = re.compile(r'ISRC\s*"(.*)"')
START = re.compile(r'START\s*(\d+:\d+:\d+|\d+)')
INDEX = re.compile(r'INDEX\s*(\d+:\d+:\d+|\d+)')
def make_indexes(index_start, index_offsets):
for (number, offset) in enumerate(index_offsets, index_start):
yield SheetIndex(number, Fraction(offset, 75))
lines = list(lines)
#FIXME - make this less stupid
if ('CD_DA' not in [line.strip() for line in lines]):
from .text import ERR_TOC_NO_HEADER
raise TOCException(ERR_TOC_NO_HEADER)
lines = iter(lines)
cuesheet_tracks = []
cuesheet_catalog_number = None
track_number = None
track_audio = True
track_ISRC = None
index_start = 1
index_offsets = []
line_number = 0
try:
while (True):
line_number += 1
line = lines.next().strip()
if (len(line) == 0):
pass
elif (line == "TRACK AUDIO"):
#start a new track
if (track_number is not None):
cuesheet_tracks.append(
SheetTrack(
track_number,
list(make_indexes(index_start, index_offsets)),
track_audio, track_ISRC))
track_number += 1
track_indexes = []
track_audio = True
track_ISRC = None
else:
track_number = 1
elif (track_number is not None):
#first index, which may be 1 or 0
first_index = AUDIOFILE.match(line)
if (first_index is not None):
index_start = 1
index_offsets = [parse_timestamp(first_index.group(2))]
continue
start = START.match(line)
if (start is not None):
#first index point is number 0
#and add a new index point number 1
assert (len(index_offsets) == 1)
index_start = 0
index_offsets.append(index_offsets[0] +
parse_timestamp(start.group(1)))
continue
index = INDEX.match(line)
if (index is not None):
#add a new index point
index_offsets.append(parse_timestamp(index.group(1)))
continue
isrc = ISRC.match(line)
if (isrc is not None):
#add ISRC to track
track_ISRC = isrc.group(1)
else:
catalog = CATALOG.match(line)
if (catalog is not None):
cuesheet_catalog_number = catalog.group(1)
continue
except StopIteration:
if (track_number is not None):
cuesheet_tracks.append(
SheetTrack(track_number,
list(make_indexes(index_start, index_offsets)),
track_audio, track_ISRC))
return Sheet(cuesheet_tracks, cuesheet_catalog_number)
