fix python3 ox.srt

ox/srt.py

@@ -1,10 +1,11 @@
 # -*- coding: utf-8 -*-
 # vi:si:et:sw=4:sts=4:ts=4
 from __future__ import with_statement, division, print_function
-import chardet
-import re
 import codecs
+import re
 
+import chardet
+from six import PY2
 import ox
 
 
@@ -23,7 +24,10 @@ def _detect_encoding(fp):
     # 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)))
+    if PY2:
+        (byte1, byte2, byte3, byte4) = [ord(b) for b in fp.read(4)]
+    else:
+        (byte1, byte2, byte3, byte4) = fp.read(4)
 
     # try bom detection using 4 bytes, 3 bytes, or 2 bytes
     bomDetection = bomDict.get((byte1, byte2, byte3, byte4))
@@ -31,7 +35,7 @@ def _detect_encoding(fp):
         bomDetection = bomDict.get((byte1, byte2, byte3, None))
         if not bomDetection:
             bomDetection = bomDict.get((byte1, byte2, None, None))
-    ## if BOM detected, we're done :-)
+    # if BOM detected, we're done :-)
     fp.seek(oldFP)
     if bomDetection:
         return bomDetection
@@ -42,7 +46,7 @@ def _detect_encoding(fp):
     # if data can be decoded as utf-8 use that, try chardet otherwise
     # chardet detects utf-8 as ISO-8859-2 most of the time
     try:
-        data = unicode(rawdata, 'utf-8')
+        rawdata.decode('utf-8')
         encoding = 'utf-8'
     except:
         encoding = chardet.detect(rawdata)['encoding']
@@ -63,23 +67,25 @@ def load(filename, offset=0):
     def parse_time(t):
         return offset + ox.time2ms(t.replace(',', '.')) / 1000
 
-    with open(filename) as f:
+    with open(filename, 'rb') as f:
         encoding = _detect_encoding(f)
         data = f.read()
     try:
-        data = unicode(data, encoding)
+        data = data.decode(encoding)
     except:
         try:
-            data = unicode(data, 'latin-1')
+            data = data.decode('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).*?\n(.*?)\n\n', re.DOTALL)
+    regexp = r'(\d\d:\d\d:\d\d[,.]\d\d\d)\s*?-->\s*?(\d\d:\d\d:\d\d[,.]\d\d\d).*?\n(.*?)\n\n'
+    srts = re.compile(regexp, re.DOTALL)
     i = 0
     for s in srts.findall(data):
-        _s = {'id': str(i),
+        _s = {
+            'id': str(i),
             'in': parse_time(s[0]),
             'out': parse_time(s[1]),
             'value': s[2].strip()