3 #from time import datetime
4 from Tools import Directories, Notifications
6 from Components.config import config
10 from Screens.MessageBox import MessageBox
11 from Screens.SubserviceSelection import SubserviceSelection
12 import NavigationInstance
14 from Tools.XMLTools import elementsWithTag, mergeText
15 from ServiceReference import ServiceReference
17 # ok, for descriptions etc we have:
18 # service reference (to get the service name)
20 # description (description)
21 # event data (ONLY for time adjustments etc.)
24 # parses an event, and gives out a (begin, end, name, duration, eit)-tuple.
26 name = ev.getEventName()
27 description = ev.getShortDescription()
28 begin = ev.getBeginTime()
29 end = begin + ev.getDuration()
31 return (begin, end, name, description, eit)
33 # please do not translate log messages
34 class RecordTimerEntry(timer.TimerEntry):
35 def __init__(self, serviceref, begin, end, name, description, eit, disabled = False):
36 timer.TimerEntry.__init__(self, int(begin), int(end))
38 assert isinstance(serviceref, ServiceReference)
40 self.service_ref = serviceref
44 self.description = description
45 self.disabled = disabled
47 self.record_service = None
48 self.start_prepare = 0
53 def log(self, code, msg):
54 self.log_entries.append((int(time.time()), code, msg))
58 self.state = self.StateWaiting
59 self.first_try_prepare = True
62 def calculateFilename(self):
63 service_name = self.service_ref.getServiceName()
64 # begin_date = datetime.fromtimestamp(begin).strf...
67 print "begin_date: ", begin_date
68 print "service_name: ", service_name
69 print "name:", self.name
70 print "description: ", self.description
72 self.Filename = Directories.getRecordingFilename(service_name)
73 self.log(0, "Filename calculated as: '%s'" % self.Filename)
74 #begin_date + " - " + service_name + description)
77 self.calculateFilename()
78 self.record_service = NavigationInstance.instance.recordService(self.service_ref)
79 if self.record_service == None:
80 self.log(1, "'record service' failed")
83 prep_res = self.record_service.prepare(self.Filename + ".ts")
85 self.log(2, "'prepare' failed: error %d" % prep_res)
86 self.record_service = None
89 self.log(3, "prepare ok, writing meta information to %s" % self.Filename)
91 f = open(self.Filename + ".ts.meta", "w")
92 f.write(str(self.service_ref) + "\n")
93 f.write(self.name + "\n")
94 f.write(self.description + "\n")
95 f.write(str(self.begin) + "\n")
98 self.log(4, "failed to write meta information")
101 def do_backoff(self):
102 if self.backoff == 0:
106 if self.backoff > 100:
108 self.log(10, "backoff: retry in %d seconds" % self.backoff)
111 next_state = self.state + 1
112 self.log(5, "activating state %d" % next_state)
114 if next_state == self.StatePrepared:
115 if self.tryPrepare():
116 self.log(6, "prepare ok, waiting for begin")
117 # fine. it worked, resources are allocated.
118 self.next_activation = self.begin
122 self.log(7, "prepare failed")
123 if self.first_try_prepare:
124 self.first_try_prepare = False
125 if config.recording.asktozap.value == 0:
126 self.log(8, "asking user to zap away")
127 Notifications.AddNotificationWithCallback(self.failureCB, MessageBox, _("A timer failed to record!\nDisable TV and try again?\n"))
128 else: # zap without asking
129 self.log(9, "zap without asking")
134 self.start_prepare = time.time() + self.backoff
136 elif next_state == self.StateRunning:
137 self.log(11, "start recording")
138 record_res = self.record_service.start()
141 self.log(13, "start record returned %d" % record_res)
144 self.begin = time.time() + self.backoff
148 elif next_state == self.StateEnded:
149 self.log(12, "stop recording")
150 self.record_service.stop()
151 self.record_service = None
154 def getNextActivation(self):
155 if self.state == self.StateEnded:
158 next_state = self.state + 1
160 return {self.StatePrepared: self.start_prepare,
161 self.StateRunning: self.begin,
162 self.StateEnded: self.end }[next_state]
164 def failureCB(self, answer):
166 self.log(13, "ok, zapped away")
167 #NavigationInstance.instance.stopUserServices()
168 NavigationInstance.instance.playService(self.service_ref.ref)
170 self.log(14, "user didn't want to zap away, record will probably fail")
172 def timeChanged(self):
173 old_prepare = self.start_prepare
174 self.start_prepare = self.begin - self.prepare_time
177 if old_prepare != self.start_prepare:
178 self.log(15, "record time changed, start prepare is now: %s" % time.ctime(self.start_prepare))
180 def createTimer(xml):
181 begin = int(xml.getAttribute("begin"))
182 end = int(xml.getAttribute("end"))
183 serviceref = ServiceReference(str(xml.getAttribute("serviceref")))
184 description = xml.getAttribute("description").encode("utf-8")
185 repeated = xml.getAttribute("repeated").encode("utf-8")
187 disabled = eval(xml.getAttribute("disabled"))
191 eit = long(xml.getAttribute("eit").encode("utf-8"))
194 name = xml.getAttribute("name").encode("utf-8")
195 #filename = xml.getAttribute("filename").encode("utf-8")
196 entry = RecordTimerEntry(serviceref, begin, end, name, description, eit, disabled)
197 entry.repeated = int(repeated)
199 for l in elementsWithTag(xml.childNodes, "log"):
200 time = int(l.getAttribute("time"))
201 code = int(l.getAttribute("code"))
202 msg = mergeText(l.childNodes).strip()
203 entry.log_entries.append((time, code, msg))
207 class RecordTimer(timer.Timer):
209 timer.Timer.__init__(self)
211 self.Filename = Directories.resolveFilename(Directories.SCOPE_CONFIG, "timers.xml")
216 print "unable to load timers from file!"
218 def isRecording(self):
220 for timer in self.timer_list:
221 if timer.isRunning():
227 doc = xml.dom.minidom.parse(self.Filename)
229 root = doc.childNodes[0]
230 for timer in elementsWithTag(root.childNodes, "timer"):
231 self.record(createTimer(timer))
233 def strToXML(self, str):
234 return str.replace('&', '&').replace('<', '<').replace('>', '>').replace("'", '''). replace('"', '&qout;')
237 #doc = xml.dom.minidom.Document()
238 #root_element = doc.createElement('timers')
239 #doc.appendChild(root_element)
240 #root_element.appendChild(doc.createTextNode("\n"))
242 #for timer in self.timer_list + self.processed_timers:
243 # some timers (instant records) don't want to be saved.
247 #t = doc.createTextNode("\t")
248 #root_element.appendChild(t)
249 #t = doc.createElement('timer')
250 #t.setAttribute("begin", str(int(timer.begin)))
251 #t.setAttribute("end", str(int(timer.end)))
252 #t.setAttribute("serviceref", str(timer.service_ref))
253 #t.setAttribute("repeated", str(timer.repeated))
254 #t.setAttribute("name", timer.name)
255 #t.setAttribute("description", timer.description)
256 #t.setAttribute("eit", str(timer.eit))
258 #for time, code, msg in timer.log_entries:
259 #t.appendChild(doc.createTextNode("\t\t"))
260 #l = doc.createElement('log')
261 #l.setAttribute("time", str(time))
262 #l.setAttribute("code", str(code))
263 #l.appendChild(doc.createTextNode(msg))
265 #t.appendChild(doc.createTextNode("\n"))
267 #root_element.appendChild(t)
268 #t = doc.createTextNode("\n")
269 #root_element.appendChild(t)
272 #file = open(self.Filename, "w")
279 list.append('<?xml version="1.0" ?>\n')
280 list.append('<timers>\n')
282 for timer in self.timer_list + self.processed_timers:
286 list.append('<timer')
287 list.append(' begin="' + str(int(timer.begin)) + '"')
288 list.append(' end="' + str(int(timer.end)) + '"')
289 list.append(' serviceref="' + str(timer.service_ref) + '"')
290 list.append(' repeated="' + str(int(timer.repeated)) + '"')
291 list.append(' name="' + str(self.strToXML(timer.name)) + '"')
292 list.append(' description="' + str(self.strToXML(timer.description)) + '"')
293 list.append(' eit="' + str(timer.eit) + '"')
294 list.append(' disabled="' + str(int(timer.disabled)) + '"')
297 for time, code, msg in timer.log_entries:
299 list.append(' code="' + str(code) + '"')
300 list.append(' time="' + str(time) + '"')
302 list.append(str(msg))
303 list.append('</log>\n')
306 list.append('</timer>\n')
308 list.append('</timers>\n')
310 file = open(self.Filename, "w")
315 def record(self, entry):
317 print "[Timer] Record " + str(entry)
319 self.addTimerEntry(entry)
321 def removeEntry(self, entry):
322 print "[Timer] Remove " + str(entry)
325 entry.repeated = False
328 # this sets the end time to current time, so timer will be stopped.
331 if entry.state != entry.StateEnded:
332 self.timeChanged(entry)
334 print "state: ", entry.state
335 print "in processed: ", entry in self.processed_timers
336 print "in running: ", entry in self.timer_list
337 # now the timer should be in the processed_timers list. remove it from there.
338 self.processed_timers.remove(entry)