initial pypo commit

3rd_party/pypo/util/cue_file.py

@@ -0,0 +1,81 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# author Jonas Ohrstrom <jonas@digris.ch>
+
+import sys
+import shutil
+import random
+import string
+import time
+from datetime import timedelta
+import os
+import logging
+
+from mutagen.mp3 import MP3
+
+
+class CueFile():
+
+    def __init__(self):
+        logger = logging.getLogger("cue_file")
+        logger.debug("init")
+
+    def cue(self, src, dst, cue_in, cue_out):
+        
+        logger = logging.getLogger("cue_file.cue")
+        logger.debug("cue file: %s %s %s %s", src, dst, cue_in, cue_out)
+        
+        # mutagen
+        audio = MP3(src)
+        dur = round(audio.info.length, 3)
+
+        logger.debug("duration by mutagen: %s", dur)
+        
+        cue_out = round(float(dur) - cue_out, 3)
+        
+        str_cue_in = str(timedelta(seconds=cue_in)).replace(".", "+") # hh:mm:ss+mss, eg 00:00:20+000
+        str_cue_out = str(timedelta(seconds=cue_out)).replace(".", "+") #
+        
+        """
+        now a bit a hackish part, don't know how to do this better...
+        need to cut the digits after the "+"
+        """
+        ts = str_cue_in.split("+")
+        try:
+            if len(ts[1]) == 6:
+                ts[1] = ts[1][0:3]
+                str_cue_in = "%s+%s" % (ts[0], ts[1])
+        except Exception, e:
+            pass
+        
+        ts = str_cue_out.split("+")
+        try:
+            if len(ts[1]) == 6:
+                ts[1] = ts[1][0:3]
+                str_cue_out = "%s+%s" % (ts[0], ts[1])
+        except Exception, e:
+            pass
+        
+        #sys.stderr.write(str(timedelta(seconds=cue_in)).replace(".", "+") + '\n\n')
+        logger.debug("in: %s", str_cue_in)
+        logger.debug("out: %s", str(str_cue_out) )
+
+#        command = 'mp3cut -o %s -t %s-%s %s' % (dst, str_cue_in, str_cue_out, src);
+#        logger.info("command: %s", command)
+#        os.system(command + ' >/dev/null')
+#
+#        command = 'mp3val -f %s' % (dst);
+#        logger.info("command: %s", command)
+#        os.system(command + ' >/dev/null')
+
+        command = 'mp3cut -o %s -t %s-%s %s' % (dst + '.tmp.mp3', str_cue_in, str_cue_out, src);
+        logger.info("command: %s", command)
+        os.system(command + ' >/dev/null')
+
+        command = 'lame -b 32 %s %s' % (dst + '.tmp.mp3', dst);
+        logger.info("command: %s", command)
+        os.system(command + ' >/dev/null')
+
+        
+        return dst