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cc-3447: pypo telnet class

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This commit is contained in:
Martin Konecny 2012-03-15 23:14:19 -04:00
parent 275fc7f987
commit c8c9e46228
3 changed files with 132 additions and 74 deletions
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114
python_apps/pypo/pypopush.py
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@ -18,6 +18,8 @@ retrieved ("first-in, first-out"); however, lists are not efficient for this pur
from collections import deque
from threading import Thread
from threading import Lock
from api_clients import api_client
from configobj import ConfigObj
@ -38,12 +40,14 @@ except Exception, e:
sys.exit()
class PypoPush(Thread):
def __init__(self, q):
def __init__(self, q, telnet_lock):
Thread.__init__(self)
self.api_client = api_client.api_client_factory(config)
self.queue = q
self.media = dict()
self.telnet_lock = telnet_lock
self.liquidsoap_state_play = True
self.push_ahead = 10
@ -161,13 +165,20 @@ class PypoPush(Thread):
This function connects to Liquidsoap to find what media items are in its queue.
"""
tn = telnetlib.Telnet(LS_HOST, LS_PORT)
self.telnet_lock.acquire()
msg = 'queue.queue\n'
tn.write(msg)
response = tn.read_until("\r\n").strip(" \r\n")
tn.write('exit\n')
tn.read_all()
try:
tn = telnetlib.Telnet(LS_HOST, LS_PORT)
msg = 'queue.queue\n'
tn.write(msg)
response = tn.read_until("\r\n").strip(" \r\n")
tn.write('exit\n')
tn.read_all()
except Exception, e:
self.logger.error(str(e))
finally:
self.telnet_lock.release()
liquidsoap_queue_approx = []
@ -243,21 +254,28 @@ class PypoPush(Thread):
if 'queue_id' in media_item:
queue_id = media_item['queue_id']
tn = telnetlib.Telnet(LS_HOST, LS_PORT)
msg = "queue.remove %s\n" % queue_id
tn.write(msg)
response = tn.read_until("\r\n").strip("\r\n")
if "No such request in my queue" in response:
"""
Cannot remove because Liquidsoap started playing the item. Need
to use source.skip instead
"""
msg = "source.skip"
tn.write("source.skip")
self.telnet_lock.acquire()
try:
tn = telnetlib.Telnet(LS_HOST, LS_PORT)
msg = "queue.remove %s\n" % queue_id
tn.write(msg)
response = tn.read_until("\r\n").strip("\r\n")
if "No such request in my queue" in response:
"""
Cannot remove because Liquidsoap started playing the item. Need
to use source.skip instead
"""
msg = "source.skip"
tn.write("source.skip")
tn.write("exit\n")
tn.read_all()
except Exception, e:
self.logger.error(str(e))
finally:
self.telnet_lock.release()
tn.write("exit\n")
tn.read_all()
else:
self.logger.error("'queue_id' key doesn't exist in media_item dict()")
@ -294,30 +312,36 @@ class PypoPush(Thread):
about which show is playing.
"""
tn = telnetlib.Telnet(LS_HOST, LS_PORT)
#tn.write(("vars.pypo_data %s\n"%liquidsoap_data["schedule_id"]).encode('utf-8'))
annotation = media_item['annotation']
msg = 'queue.push %s\n' % annotation.encode('utf-8')
self.logger.debug(msg)
tn.write(msg)
queue_id = tn.read_until("\r\n").strip("\r\n")
#remember the media_item's queue id which we may use
#later if we need to remove it from the queue.
media_item['queue_id'] = queue_id
#add media_item to the end of our queue
self.pushed_objects[queue_id] = media_item
show_name = media_item['show_name']
msg = 'vars.show_name %s\n' % show_name.encode('utf-8')
tn.write(msg)
self.logger.debug(msg)
tn.write("exit\n")
self.logger.debug(tn.read_all())
self.telnet_lock.acquire()
try:
tn = telnetlib.Telnet(LS_HOST, LS_PORT)
#tn.write(("vars.pypo_data %s\n"%liquidsoap_data["schedule_id"]).encode('utf-8'))
annotation = media_item['annotation']
msg = 'queue.push %s\n' % annotation.encode('utf-8')
self.logger.debug(msg)
tn.write(msg)
queue_id = tn.read_until("\r\n").strip("\r\n")
#remember the media_item's queue id which we may use
#later if we need to remove it from the queue.
media_item['queue_id'] = queue_id
#add media_item to the end of our queue
self.pushed_objects[queue_id] = media_item
show_name = media_item['show_name']
msg = 'vars.show_name %s\n' % show_name.encode('utf-8')
tn.write(msg)
self.logger.debug(msg)
tn.write("exit\n")
self.logger.debug(tn.read_all())
except Exception, e:
self.logger.error(str(e))
finally:
self.telnet_lock.release()
def run(self):
loops = 0