srt parsing moved to ox.srt.load

This commit is contained in:
j 2012-01-02 22:15:01 +05:30
parent 4c25291c88
commit 7757582aaf
1 changed files with 5 additions and 61 deletions

View File

@ -171,67 +171,11 @@ class File(models.Model):
return None
def srt(self, offset=0):
def _detectEncoding(fp):
bomDict={ # bytepattern : name
(0x00, 0x00, 0xFE, 0xFF): "utf_32_be",
(0xFF, 0xFE, 0x00, 0x00): "utf_32_le",
(0xFE, 0xFF, None, None): "utf_16_be",
(0xFF, 0xFE, None, None): "utf_16_le",
(0xEF, 0xBB, 0xBF, None): "utf_8",
}
# go to beginning of file and get the first 4 bytes
oldFP = fp.tell()
fp.seek(0)
(byte1, byte2, byte3, byte4) = tuple(map(ord, fp.read(4)))
# try bom detection using 4 bytes, 3 bytes, or 2 bytes
bomDetection = bomDict.get((byte1, byte2, byte3, byte4))
if not bomDetection:
bomDetection = bomDict.get((byte1, byte2, byte3, None))
if not bomDetection:
bomDetection = bomDict.get((byte1, byte2, None, None))
## if BOM detected, we're done :-)
fp.seek(oldFP)
if bomDetection:
return bomDetection
encoding = 'latin-1'
#more character detecting magick using http://chardet.feedparser.org/
fp.seek(0)
rawdata = fp.read()
encoding = chardet.detect(rawdata)['encoding']
fp.seek(oldFP)
return encoding
def parseTime(t):
return offset + ox.time2ms(t.replace(',', '.')) / 1000
srt = []
f = open(self.data.path)
encoding = _detectEncoding(f)
data = f.read()
f.close()
try:
data = unicode(data, encoding)
except:
try:
data = unicode(data, 'latin-1')
except:
print "failed to detect encoding, giving up"
return srt
data = data.replace('\r\n', '\n')
srts = re.compile('(\d\d:\d\d:\d\d[,.]\d\d\d)\s*-->\s*(\d\d:\d\d:\d\d[,.]\d\d\d)\s*(.+?)\n\n', re.DOTALL)
i = 0
for s in srts.findall(data):
_s = {'id': str(i),
'in': parseTime(s[0]), 'out': parseTime(s[1]), 'value': s[2].strip()}
if srt and srt[-1]['out'] > _s['in']:
srt[-1]['out'] = _s['in']
srt.append(_s)
i += 1
srt = ox.load_srt(self.data.path)
#subtitles should not overlap
for i in range(1, len(srt)):
if srt[i-1]['out'] > srt[i]['in']:
srt[i-1]['out'] = srt[i]['in']
return srt
def editable(self, user):