code.delx.au - mediapc-tools/blob - mythsymlink

   1 #!/usr/bin/env python2
   2
   3 import os
   4 import random
   5 import re
   6 import socket
   7 import sys
   8
   9 import lxml.etree
  10 import MySQLdb
  11
  12 os.chdir(sys.argv[1])
  13
  14 # Remove any symlinks and empty dirs in the tree
  15 for dirpath, dirnames, filenames in os.walk(".", topdown=False):
  16     for filename in filenames:
  17         filename = os.path.join(dirpath, filename)
  18         if os.path.islink(filename):
  19             os.unlink(filename)
  20     for dirname in dirnames:
  21         dirname = os.path.join(dirpath, dirname)
  22         os.rmdir(dirname)
  23
  24 # Connect to the MythTV database based on the MythTV config
  25 with open(os.path.expanduser("~/.mythtv/config.xml")) as f:
  26     config_xml = lxml.etree.parse(f, lxml.etree.XMLParser(encoding="utf-8"))
  27
  28 db_connection = MySQLdb.connect(
  29     host = config_xml.xpath("/Configuration/Database/Host/text()")[0],
  30     port = int(config_xml.xpath("/Configuration/Database/Port/text()")[0]),
  31     user = config_xml.xpath("/Configuration/Database/UserName/text()")[0],
  32     passwd = config_xml.xpath("/Configuration/Database/Password/text()")[0],
  33     db = config_xml.xpath("/Configuration/Database/DatabaseName/text()")[0],
  34 )
  35 cursor = db_connection.cursor(MySQLdb.cursors.DictCursor)
  36
  37 # Regexp for what is allowed in the symlink name
  38 unsafe = re.compile("[^a-zA-Z0-9\-_ ,\\.]+")
  39
  40 try:
  41     localhostname = config_xml.xpath("/Configuration/LocalHostName/text()")[0]
  42 except IndexError:
  43     localhostname = socket.gethostname()
  44
  45 # Find the recordings directory
  46 cursor.execute("""
  47     SELECT * FROM settings
  48     WHERE value='RecordFilePrefix' AND hostname='%s'
  49 """ % localhostname)
  50 recordingsdir = cursor.fetchone()["data"]
  51
  52 # Now find all the recordings we have at the moment
  53 cursor.execute("""
  54     SELECT title, subtitle, starttime, basename, watched FROM recorded
  55 """)
  56 for row in cursor:
  57     title = row["title"]
  58     starttime = str(row["starttime"]).replace(":", "-")
  59     subtitle = row["subtitle"]
  60     basename = row["basename"]
  61     watched = bool(row["watched"])
  62
  63     title = unsafe.sub("", title)
  64     subtitle = unsafe.sub("", subtitle)
  65     extn = os.path.splitext(basename)[1]
  66
  67
  68     if subtitle:
  69         filename = "%s - %s%s" % (starttime, subtitle, extn)
  70     else:
  71         filename = "%s%s" % (starttime, extn)
  72     if watched:
  73         filename = "watched/" + filename
  74
  75     source = "%s/%s" % (recordingsdir, basename)
  76     dest = "%s/%s" % (title, filename)
  77
  78     if not os.path.isfile(source):
  79         continue
  80
  81     if os.path.isfile(dest):
  82         dest = os.path.splitext(dest)[0] + ' - unique' + str(random.randint(1000, 9999)) + extn
  83
  84     dirnames = dest.split("/")[:-1]
  85     for i in xrange(1, len(dirnames)+1):
  86         dirname = "/".join(dirnames[:i])
  87         if not os.path.isdir(dirname):
  88             os.mkdir(dirname)
  89
  90     try:
  91         os.symlink(source, dest)
  92     except Exception, e:
  93         print e, "--", source, "->", dest
  94         sys.exit(1)