/[svn.andrew.net.au]/mythtvdotpy/MythTV/Frontend.py
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Annotation of /mythtvdotpy/MythTV/Frontend.py

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Revision 8 - (hide annotations)
Mon Nov 6 18:11:25 2006 UTC (15 years, 8 months ago) by apollock
Original Path: mythtvdotpy/Frontend.py
File MIME type: text/x-python
File size: 2412 byte(s)
Initial check in

1 apollock 8 #!/usr/bin/python
2    
3     import socket
4     import datetime
5    
6     class Frontend:
7     """Class for operating on a MythTV frontend"""
8    
9     def __init__(self, host, port=6546):
10     self.host = host
11     self.port = port
12     self.ready = False
13     self.socket = None
14    
15    
16     def _connect(self):
17     """Create a connection to the frontend"""
18    
19     self.socket = socket.socket()
20     self.socket.connect((self.host, self.port))
21     if self.socket.recv(4096).splitlines()[-1] == '# ':
22     self.ready = True
23    
24    
25     def _sendcmd(self, cmd):
26     """Send a command to the frontend"""
27    
28     #TODO(apollock): raise an exception if not ready
29     if self.ready:
30     self.socket.send("%s\r\n" % cmd)
31     return self.socket.recv(4096).splitlines()
32    
33    
34     def location(self):
35     """Return what location the front end is currently in"""
36    
37     location = {}
38     self._connect()
39     result = self._sendcmd("query location")[0].split(" ")
40     #TODO(apollock): convert date and time to something other
41     # than a string
42     # Maybe return a location object instead?
43    
44     location['where'] = result[0]
45    
46     if location['where'] == 'Playback':
47     location['what'] = result[1]
48     location['position'] = result[2]
49     location['length'] = result[4]
50     location['speed'] = result[5]
51     location['chanid'] = result[6]
52     recdate = result[7].split("T")[0].split("-")
53     location['recdate'] = datetime.date(int(recdate[0]), int(recdate[1]), int(recdate[2]))
54     rectime = result[7].split("T")[1].split(":")
55     location['rectime'] = datetime.time(int(rectime[0]), int(rectime[1]), int(rectime[2]))
56     if location['what'] == 'Recorded':
57     location['title'] = self.recording(location['chanid'], location['recdate'].isoformat(), location['rectime'].isoformat())
58     elif location['where'] == 'PlaybackBox':
59     pass
60     elif location['where'] == 'MainMenu':
61     pass
62    
63     return location
64    
65    
66     def recording(self, chanid, recdate, rectime):
67     """Returns recording information for a specified recording"""
68    
69     self._connect()
70     result = self._sendcmd("query recording %s %sT%s" %
71     (chanid, recdate, rectime))[0].split(" ")
72    
73     return " ".join(result[2:])
74    
75    
76     def pause(self):
77     """Pauses the playback"""
78    
79     self._connect()
80     result = self._sendcmd("play speed pause")[0]
81     if result != "OK":
82     #TODO(apollock): raise some sort of exception
83     pass
84    
85    
86     def play(self):
87     """Resumes playback"""
88     self._connect()
89     result = self._sendcmd("play speed normal")[0]
90     if result != "OK":
91     #TODO(apollock): raise some sort of exception
92     pass

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