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subutil.py
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#!/usr/bin/python
# -*- coding: UTF-8 -*-
import re
def tounicode( sub ):
if sub.startswith('\xef\xbb\xbf'):
return sub.decode("utf-8-sig",'ignore'), "utf-8-sig"
elif sub.startswith( ('\xff\xfe\x00\x00', '\x00\x00\xfe\xff') ):
return sub.decode("utf-32",'ignore'), "utf-32"
elif sub.startswith( ('\xff\xfe', '\xfe\xff') ):
return sub.decode("utf-16",'ignore'), "utf-16"
iso = win = utf = 0
for i in (161, 166, 172, 177, 182, 188):
iso += sub.count(chr(i))
for i in (140, 143, 156, 159, 165, 185):
win += sub.count(chr(i))
for i in (195, 196, 197):
utf += sub.count(chr(i))
if win > utf and win > iso:
return sub.decode("CP1250",'ignore'), "CP1250"
if utf > iso and utf > win:
return sub.decode("utf-8",'ignore'), "utf-8"
return sub.decode("iso-8859-2",'ignore'), "iso-8859-2"
def detect_format(list):
"""
Detect the format of input subtitles file.
input: contents of a file as list
returns: format (srt, tmp, mdvd) or "" if unknown
"""
re_mdvd = re.compile("^\{(\d+)\}\{(\d*)\}\s*(.*)")
re_srt = re.compile("^(\d+):(\d+):(\d+),\d+\s*-->.*")
re_tmp = re.compile("^(\d+):(\d+):(\d+):(.*)")
re_sub2 = re.compile("^(\d+):(\d+):(\d+)\.\d+\s*\,.*")
re_mpl2 = re.compile("^\[(\d+)\]\[(\d+)\]\s*(.*)")
for line in list:
if re_mdvd.match(line):
return "mdvd"
elif re_srt.match(line):
return "srt"
elif re_tmp.match(line):
return "tmp"
elif re_sub2.match(line):
return "sub2"
elif re_mpl2.match(line):
return "mpl2"
return "unknown"
def read_mdvd(list, fps):
"""
Read micro-dvd subtitles.
input: contents of a file as list
returns: list of subtitles in form: [[time_start in secs, time_end in secs, line1, ...],....]
"""
re1 = re.compile("^\{(\d+)\}\{(\d*)\}\s*(.*)")
subtitles = []
while len(list)>0:
x = list.pop(0)
m = re1.match(x, 0)
if m:
time1 = int(m.group(1))
subt = [ time1 / fps ]
time2 = m.group(2)
if time2 == '':
time2 = int(time1) + 20
subt.append(int(time2) / fps)
texts = m.group(3).strip().split("|")
for i in range(len(texts)):
text = texts[i]
if text.lower().startswith('{c:') or text.lower().startswith('{y:'):
end_marker = text.index('}')
if end_marker:
text = text[end_marker + 1:]
texts[i] = text
subt.extend(texts)
subtitles.append(subt)
return subtitles
def read_mpl2(list):
"""
Read mpl2 subtitles
input: contents of a file as list
returns: list of subtitles in form: [[time_start in secs, time_end is secs, line1, ...],.....]
"""
re1 = re.compile("^\[(\d+)\]\[(\d+)\]\s*(.*)")
subtitles = []
while len(list)>0:
m = re1.match(list.pop(0),0);
if m:
subt = [int(m.group(1))*0.1]
subt.append(int(m.group(2))*0.1)
subt.extend(m.group(3).strip().split("|"))
subtitles.append(subt)
return subtitles
def read_sub2(list):
"""
Reads subviewer 2.0 format subtitles, e.g. :
00:01:54.75,00:01:58.54
You shall not pass!
input: contents of a file as list
returns: list of subtitles in form: [[time_dep, time_end, line1, ...],[time_dep, time_end, line1, ...],....]
"""
re1 = re.compile("^(\d+):(\d+):(\d+)\.(\d+)\s*\,\s*(\d+):(\d+):(\d+)\.(\d+).*$")
subtitles = []
try:
while len(list)>0:
m = re1.match(list.pop(0), 0)
if m:
subt = [int(m.group(1))*3600 + int(m.group(2))*60 + int(m.group(3)) + int(m.group(4))/100.0]
subt.append(int(m.group(5))*3600 + int(m.group(6))*60 + int(m.group(7)) + int(m.group(8))/100.0)
l = list.pop(0).strip()
lines = l.split("[br]")
for i in range(0,len(lines)):
subt.append(lines[i])
subtitles.append(subt)
except IndexError:
sys.stderr.write("Warning: it seems like input file is damaged or too short.\n")
return subtitles
def read_srt(list):
"""
Reads srt subtitles.
input: contents of a file as list
returns: list of subtitles in form: [[time_dep, time_end, line1, ...],[time_dep, time_end, line1, ...],....]
"""
re1 = re.compile("^(\d+)\s*$")
re2 = re.compile("^(\d+):(\d+):(\d+),(\d+)\s*-->\s*(\d+):(\d+):(\d+),(\d+).*$")
re3 = re.compile("^\s*$")
subtitles = []
try:
while len(list)>0:
if re1.match(list.pop(0), 0):
m = re2.match(list.pop(0), 0)
if m:
subt = [int(m.group(1))*3600 + int(m.group(2))*60 + int(m.group(3)) + int(m.group(4))/1000.0]
subt.append(int(m.group(5))*3600 + int(m.group(6))*60 + int(m.group(7)) + int(m.group(8))/1000.0)
l = list.pop(0)
while not re3.match(l, 0):
#subt.append(string.replace(l[:-1], "\r", ""))
subt.append(l.strip())
l = list.pop(0)
subtitles.append(subt)
except IndexError:
sys.stderr.write("Warning: it seems like input file is damaged or too short.\n")
return subtitles
def read_tmp(list):
"""
Reads tmplayer (tmp) subtitles.
input: contents of a file as list
returns: list of subtitles in form: [[time_dep, time_end, line1, ...],[time_dep, time_end, line1, ...],....]
"""
re1 = re.compile("^(\d+):(\d+):(\d+):(.*)")
subtitles = []
subs={}
while len(list)>0:
m = re1.match(list.pop(0), 0)
if m:
time = int(m.group(1))*3600 + int(m.group(2))*60 + int(m.group(3))
if subs.has_key(time) :
subs[time].extend(m.group(4).strip().split("|"))
else:
subs[time] = m.group(4).strip().split("|")
times = subs.keys()
times.sort()
for i in range(0,len(times)):
next_time = 1;
while not subs.has_key(times[i]+next_time) and next_time < 4 :
next_time = next_time + 1
subt = [ times[i] , times[i] + next_time]
subt.extend(subs[times[i]])
subtitles.append(subt)
return subtitles
def to_srt(list):
"""
Converts list of subtitles (internal format) to srt format
"""
outl = []
count = 1
for l in list:
secs1 = l[0]
h1 = int(secs1/3600)
m1 = int(int(secs1%3600)/60)
s1 = int(secs1%60)
f1 = (secs1 - int(secs1))*1000
secs2 = l[1]
h2 = int(secs2/3600)
m2 = int(int(secs2%3600)/60)
s2 = int(secs2%60)
f2 = (secs2 - int(secs2))*1000
outl.append("%d\n%.2d:%.2d:%.2d,%.3d --> %.2d:%.2d:%.2d,%.3d\n%s\n\n" % (count,h1,m1,s1,f1,h2,m2,s2,f2,"\n".join(l[2:])))
count = count + 1
return outl
def sub_fix_times(sub):
for i in range( len(sub) - 2 ):
approx = min(1 + ( len(" ".join(sub[i][2:])) / 10 ), 9.9) # 10 char per second
# print sub[i][0],sub[i][1], sub[i][1] - sub[i][0], approx
if (sub[i + 1 ][0] <= sub[i][0]):
sub[i + 1 ][0] = sub[i][0] + approx + 0.2
#jesli mniej niz 1s
if sub[i][1] - sub[i][0] < 1:
sub[i][1] = sub[i][0] + approx
# end < start or end > start++ or displayed longer then 15s
if (sub[i][1] < sub[i][0]) or (sub[i][1] > sub[i + 1][0]) or ( sub[i][1] - sub[i][0] > 15):
if ( sub[i][0] + approx ) < sub[i + 1][0]:
sub[i][1] = sub[i][0] + approx
else:
sub[i][1] = sub[i + 1][0] - 0.2
return sub
def read_subs(subs, fps):
"""
Import subtitles from list src, using format fmt
input : strings, format (srt,mdvd,tmp)
returns: list of subtitles in form: [[time in secs, line1, ...],[time in secs, line1, ...],....]
"""
fmt = detect_format(subs)
if fmt == "tmp":
return read_tmp(subs)
elif fmt == "srt":
return read_srt(subs)
elif fmt == "mdvd":
return read_mdvd(subs, fps)
elif fmt == "sub2":
return read_sub2(subs)
elif fmt == "mpl2":
return read_mpl2(subs)
else:
return []
def xxto_srt_utf8(subs, fps = 0):
subs_u , org_cod = tounicode(subs)
subs = subs_u.replace('\r','').split('\n')
subs = "".join(to_srt( sub_fix_times(read_sub(subs, fps) )))
subs = subs.encode("utf-8-sig")
return subs