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 = time.strftime("%Y%m%d %H%M", time.localtime(self.begin))
66 print "begin_date: ", begin_date
67 print "service_name: ", service_name
68 print "name:", self.name
69 print "description: ", self.description
71 filename = begin_date + " - " + service_name
73 filename += " - " + self.name
75 self.Filename = Directories.getRecordingFilename(filename)
76 self.log(0, "Filename calculated as: '%s'" % self.Filename)
77 #begin_date + " - " + service_name + description)
80 self.calculateFilename()
81 self.record_service = NavigationInstance.instance.recordService(self.service_ref)
82 if self.record_service == None:
83 self.log(1, "'record service' failed")
86 prep_res = self.record_service.prepare(self.Filename + ".ts")
88 self.log(2, "'prepare' failed: error %d" % prep_res)
89 self.record_service = None
92 self.log(3, "prepare ok, writing meta information to %s" % self.Filename)
94 f = open(self.Filename + ".ts.meta", "w")
95 f.write(str(self.service_ref) + "\n")
96 f.write(self.name + "\n")
97 f.write(self.description + "\n")
98 f.write(str(self.begin) + "\n")
101 self.log(4, "failed to write meta information")
104 def do_backoff(self):
105 if self.backoff == 0:
109 if self.backoff > 100:
111 self.log(10, "backoff: retry in %d seconds" % self.backoff)
114 next_state = self.state + 1
115 self.log(5, "activating state %d" % next_state)
117 if next_state == self.StatePrepared:
118 if self.tryPrepare():
119 self.log(6, "prepare ok, waiting for begin")
120 # fine. it worked, resources are allocated.
121 self.next_activation = self.begin
125 self.log(7, "prepare failed")
126 if self.first_try_prepare:
127 self.first_try_prepare = False
128 if config.recording.asktozap.value == 0:
129 self.log(8, "asking user to zap away")
130 Notifications.AddNotificationWithCallback(self.failureCB, MessageBox, _("A timer failed to record!\nDisable TV and try again?\n"))
131 else: # zap without asking
132 self.log(9, "zap without asking")
137 self.start_prepare = time.time() + self.backoff
139 elif next_state == self.StateRunning:
140 self.log(11, "start recording")
141 record_res = self.record_service.start()
144 self.log(13, "start record returned %d" % record_res)
147 self.begin = time.time() + self.backoff
151 elif next_state == self.StateEnded:
152 self.log(12, "stop recording")
153 self.record_service.stop()
154 self.record_service = None
157 def getNextActivation(self):
158 if self.state == self.StateEnded:
161 next_state = self.state + 1
163 return {self.StatePrepared: self.start_prepare,
164 self.StateRunning: self.begin,
165 self.StateEnded: self.end }[next_state]
167 def failureCB(self, answer):
169 self.log(13, "ok, zapped away")
170 #NavigationInstance.instance.stopUserServices()
171 NavigationInstance.instance.playService(self.service_ref.ref)
173 self.log(14, "user didn't want to zap away, record will probably fail")
175 def timeChanged(self):
176 old_prepare = self.start_prepare
177 self.start_prepare = self.begin - self.prepare_time
180 if old_prepare != self.start_prepare:
181 self.log(15, "record time changed, start prepare is now: %s" % time.ctime(self.start_prepare))
183 def createTimer(xml):
184 begin = int(xml.getAttribute("begin"))
185 end = int(xml.getAttribute("end"))
186 serviceref = ServiceReference(str(xml.getAttribute("serviceref")))
187 description = xml.getAttribute("description").encode("utf-8")
188 repeated = xml.getAttribute("repeated").encode("utf-8")
190 disabled = eval(xml.getAttribute("disabled"))
194 eit = long(xml.getAttribute("eit").encode("utf-8"))
197 name = xml.getAttribute("name").encode("utf-8")
198 #filename = xml.getAttribute("filename").encode("utf-8")
199 entry = RecordTimerEntry(serviceref, begin, end, name, description, eit, disabled)
200 entry.repeated = int(repeated)
202 for l in elementsWithTag(xml.childNodes, "log"):
203 time = int(l.getAttribute("time"))
204 code = int(l.getAttribute("code"))
205 msg = mergeText(l.childNodes).strip()
206 entry.log_entries.append((time, code, msg))
210 class RecordTimer(timer.Timer):
212 timer.Timer.__init__(self)
214 self.Filename = Directories.resolveFilename(Directories.SCOPE_CONFIG, "timers.xml")
219 print "unable to load timers from file!"
221 def isRecording(self):
223 for timer in self.timer_list:
224 if timer.isRunning():
230 doc = xml.dom.minidom.parse(self.Filename)
232 root = doc.childNodes[0]
233 for timer in elementsWithTag(root.childNodes, "timer"):
234 self.record(createTimer(timer))
236 def strToXML(self, str):
237 return str.replace('&', '&').replace('<', '<').replace('>', '>').replace("'", '''). replace('"', '&qout;')
240 #doc = xml.dom.minidom.Document()
241 #root_element = doc.createElement('timers')
242 #doc.appendChild(root_element)
243 #root_element.appendChild(doc.createTextNode("\n"))
245 #for timer in self.timer_list + self.processed_timers:
246 # some timers (instant records) don't want to be saved.
250 #t = doc.createTextNode("\t")
251 #root_element.appendChild(t)
252 #t = doc.createElement('timer')
253 #t.setAttribute("begin", str(int(timer.begin)))
254 #t.setAttribute("end", str(int(timer.end)))
255 #t.setAttribute("serviceref", str(timer.service_ref))
256 #t.setAttribute("repeated", str(timer.repeated))
257 #t.setAttribute("name", timer.name)
258 #t.setAttribute("description", timer.description)
259 #t.setAttribute("eit", str(timer.eit))
261 #for time, code, msg in timer.log_entries:
262 #t.appendChild(doc.createTextNode("\t\t"))
263 #l = doc.createElement('log')
264 #l.setAttribute("time", str(time))
265 #l.setAttribute("code", str(code))
266 #l.appendChild(doc.createTextNode(msg))
268 #t.appendChild(doc.createTextNode("\n"))
270 #root_element.appendChild(t)
271 #t = doc.createTextNode("\n")
272 #root_element.appendChild(t)
275 #file = open(self.Filename, "w")
282 list.append('<?xml version="1.0" ?>\n')
283 list.append('<timers>\n')
285 for timer in self.timer_list + self.processed_timers:
289 list.append('<timer')
290 list.append(' begin="' + str(int(timer.begin)) + '"')
291 list.append(' end="' + str(int(timer.end)) + '"')
292 list.append(' serviceref="' + str(timer.service_ref) + '"')
293 list.append(' repeated="' + str(int(timer.repeated)) + '"')
294 list.append(' name="' + str(self.strToXML(timer.name)) + '"')
295 list.append(' description="' + str(self.strToXML(timer.description)) + '"')
296 list.append(' eit="' + str(timer.eit) + '"')
297 list.append(' disabled="' + str(int(timer.disabled)) + '"')
300 for time, code, msg in timer.log_entries:
302 list.append(' code="' + str(code) + '"')
303 list.append(' time="' + str(time) + '"')
305 list.append(str(msg))
306 list.append('</log>\n')
309 list.append('</timer>\n')
311 list.append('</timers>\n')
313 file = open(self.Filename, "w")
318 def record(self, entry):
320 print "[Timer] Record " + str(entry)
322 self.addTimerEntry(entry)
324 def removeEntry(self, entry):
325 print "[Timer] Remove " + str(entry)
328 entry.repeated = False
331 # this sets the end time to current time, so timer will be stopped.
334 if entry.state != entry.StateEnded:
335 self.timeChanged(entry)
337 print "state: ", entry.state
338 print "in processed: ", entry in self.processed_timers
339 print "in running: ", entry in self.timer_list
340 # now the timer should be in the processed_timers list. remove it from there.
341 self.processed_timers.remove(entry)