X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/cb50b5479d207eae71e302ff37e5960281c039c8..d7010ab56f9b823d56a5a5fa3ba7f7764bbfece4:/RecordTimer.py diff --git a/RecordTimer.py b/RecordTimer.py index 1a64c5ef..e375c9f2 100644 --- a/RecordTimer.py +++ b/RecordTimer.py @@ -1,109 +1,208 @@ import time import codecs #from time import datetime -from Tools import Directories +from Tools import Directories, Notifications +from Components.config import config import timer import xml.dom.minidom +from Screens.MessageBox import MessageBox +from Screens.SubserviceSelection import SubserviceSelection import NavigationInstance -from Tools.XMLTools import elementsWithTag +from Tools.XMLTools import elementsWithTag, mergeText from ServiceReference import ServiceReference +# ok, for descriptions etc we have: +# service reference (to get the service name) +# name (title) +# description (description) +# event data (ONLY for time adjustments etc.) + + +# parses an event, and gives out a (begin, end, name, duration, eit)-tuple. +def parseEvent(ev): + name = ev.getEventName() + description = ev.getShortDescription() + begin = ev.getBeginTime() + end = begin + ev.getDuration() + eit = ev.getEventId() + return (begin, end, name, description, eit) + +# please do not translate log messages class RecordTimerEntry(timer.TimerEntry): - def __init__(self, begin, end, serviceref, epg, description): + def __init__(self, serviceref, begin, end, name, description, eit): timer.TimerEntry.__init__(self, int(begin), int(end)) assert isinstance(serviceref, ServiceReference) self.service_ref = serviceref - - if epg is not None: - self.epg_data = "" - #str(epg.m_event_name) - else: - self.epg_data = "" - + self.eit = eit self.dontSave = False + self.name = name self.description = description self.timer = None self.record_service = None + self.log_entries = [] + self.resetState() + + def log(self, code, msg): + self.log_entries.append((int(time.time()), code, msg)) + print "[TIMER]", msg + + def resetState(self): + self.state = self.StateWaiting + self.first_try_prepare = True + self.timeChanged() + def calculateFilename(self): service_name = self.service_ref.getServiceName() # begin_date = datetime.fromtimestamp(begin).strf... begin_date = "" - if self.epg_data is not None: - description = " - " + self.epg_data - else: - description = "" - print "begin_date: " + str(begin_date) - print "service_name: " + str(service_name) - print "description: " + str(description) + print "begin_date: ", begin_date + print "service_name: ", service_name + print "name:", self.name + print "description: ", self.description + self.Filename = Directories.getRecordingFilename(service_name) + self.log(0, "Filename calculated as: '%s'" % self.Filename) #begin_date + " - " + service_name + description) - - # build filename from epg - - # pff das geht noch nicht... -# if epg == None: -# self.Filename = "recording.ts" -# else: -# self.Filename = "record_" + str(epg.m_event_name) + ".ts" -# -# print "------------ record filename: %s" % (self.Filename) - - def activate(self, event): - if event == self.EventPrepare: - self.calculateFilename() - self.record_service = NavigationInstance.instance.recordService(self.service_ref) - if self.record_service == None: - print "timer record failed." - else: - self.record_service.prepare(self.Filename + ".ts") + def tryPrepare(self): + self.calculateFilename() + self.record_service = NavigationInstance.instance.recordService(self.service_ref) + if self.record_service == None: + self.log(1, "'record service' failed") + return False + else: + prep_res = self.record_service.prepare(self.Filename + ".ts") + if prep_res: + self.log(2, "'prepare' failed: error %d" % prep_res) + self.record_service = None + return False + + self.log(3, "prepare ok, writing meta information to %s" % self.Filename) + try: f = open(self.Filename + ".ts.meta", "w") f.write(str(self.service_ref) + "\n") - f.write(self.epg_data + "\n") - del f - - elif self.record_service == None: - if event != self.EventAbort: - print "timer record start failed, can't finish recording." - elif event == self.EventStart: - self.record_service.start() - print "timer started!" - elif event == self.EventEnd or event == self.EventAbort: + f.write(self.name + "\n") + f.write(self.description + "\n") + f.write(str(self.begin) + "\n") + f.close() + except: + self.log(4, "failed to write meta information") + return True + + def do_backoff(self): + if self.backoff == 0: + self.backoff = 5 + else: + self.backoff *= 2 + if self.backoff > 100: + self.backoff = 100 + self.log(10, "backoff: retry in %d seconds" % self.backoff) + + def activate(self): + next_state = self.state + 1 + self.log(5, "activating state %d" % next_state) + + if next_state == self.StatePrepared: + if self.tryPrepare(): + self.log(6, "prepare ok, waiting for begin") + # fine. it worked, resources are allocated. + self.next_activation = self.begin + self.backoff = 0 + return True + + self.log(7, "prepare failed") + if self.first_try_prepare: + self.first_try_prepare = False + if config.recording.asktozap.value == 0: + self.log(8, "asking user to zap away") + Notifications.AddNotificationWithCallback(self.failureCB, MessageBox, _("A timer failed to record!\nDisable TV and try again?\n")) + else: # zap without asking + self.log(9, "zap without asking") + self.failureCB(True) + + self.do_backoff() + # retry + self.start_prepare = time.time() + self.backoff + return False + elif next_state == self.StateRunning: + self.log(11, "start recording") + record_res = self.record_service.start() + + if record_res: + self.log(13, "start record returned %d" % record_res) + self.do_backoff() + # retry + self.begin = time.time() + self.backoff + return False + + return True + elif next_state == self.StateEnded: + self.log(12, "stop recording") self.record_service.stop() self.record_service = None - print "Timer successfully ended" + return True + def getNextActivation(self): + if self.state == self.StateEnded: + return self.end + + next_state = self.state + 1 + + return {self.StatePrepared: self.start_prepare, + self.StateRunning: self.begin, + self.StateEnded: self.end }[next_state] + + def failureCB(self, answer): + if answer == True: + self.log(13, "ok, zapped away") + #NavigationInstance.instance.stopUserServices() + NavigationInstance.instance.playService(self.service_ref.ref) + else: + self.log(14, "user didn't want to zap away, record will probably fail") + + def timeChanged(self): + self.start_prepare = self.begin - self.prepare_time + self.backoff = 0 + self.log(15, "record time changed, start prepare is now: %s" % time.ctime(self.start_prepare)) def createTimer(xml): begin = int(xml.getAttribute("begin")) end = int(xml.getAttribute("end")) serviceref = ServiceReference(str(xml.getAttribute("serviceref"))) - description = xml.getAttribute("description") - repeated = xml.getAttribute("repeated") - epgdata = xml.getAttribute("epgdata") - #filename = xml.getAttribute("filename") - entry = RecordTimerEntry(begin, end, serviceref, epgdata, description) + description = xml.getAttribute("description").encode("utf-8") + repeated = xml.getAttribute("repeated").encode("utf-8") + eit = xml.getAttribute("eit").encode("utf-8") + name = xml.getAttribute("name").encode("utf-8") + #filename = xml.getAttribute("filename").encode("utf-8") + entry = RecordTimerEntry(serviceref, begin, end, name, description, eit) entry.repeated = int(repeated) + + for l in elementsWithTag(xml.childNodes, "log"): + time = int(l.getAttribute("time")) + code = int(l.getAttribute("code")) + msg = mergeText(l.childNodes).strip() + entry.log_entries.append((time, code, msg)) + return entry class RecordTimer(timer.Timer): def __init__(self): timer.Timer.__init__(self) - self.Filename = Directories.resolveFilename(Directories.SCOPE_USERETC, "timers.xml") + self.Filename = Directories.resolveFilename(Directories.SCOPE_CONFIG, "timers.xml") try: self.loadTimer() - except: + except IOError: print "unable to load timers from file!" - + def isRecording(self): isRunning = False for timer in self.timer_list: @@ -133,44 +232,50 @@ class RecordTimer(timer.Timer): t = doc.createTextNode("\t") root_element.appendChild(t) t = doc.createElement('timer') - t.setAttribute("begin", str(timer.begin)) - t.setAttribute("end", str(timer.end)) + t.setAttribute("begin", str(int(timer.begin))) + t.setAttribute("end", str(int(timer.end))) t.setAttribute("serviceref", str(timer.service_ref)) t.setAttribute("repeated", str(timer.repeated)) - #t.setAttribute("epgdata", timer.) + t.setAttribute("name", timer.name) t.setAttribute("description", timer.description) + t.setAttribute("eit", str(timer.eit)) + + for time, code, msg in timer.log_entries: + t.appendChild(doc.createTextNode("\t\t")) + l = doc.createElement('log') + l.setAttribute("time", str(time)) + l.setAttribute("code", str(code)) + l.appendChild(doc.createTextNode(msg)) + t.appendChild(l) + t.appendChild(doc.createTextNode("\n")) + root_element.appendChild(t) t = doc.createTextNode("\n") root_element.appendChild(t) file = open(self.Filename, "w") - doc.writexml(codecs.getwriter('UTF-8')(file)) + doc.writexml(file) file.write("\n") file.close() - + def record(self, entry): + entry.timeChanged() print "[Timer] Record " + str(entry) entry.Timer = self self.addTimerEntry(entry) def removeEntry(self, entry): print "[Timer] Remove " + str(entry) + + # avoid re-enqueuing + entry.repeated = False - if entry.state == timer.TimerEntry.StateRunning: - print "remove running timer." - entry.end = time.time() + # abort timer. + # this sets the end time to current time, so timer will be stopped. + entry.abort() + + if entry.state != entry.StateEnded: self.timeChanged(entry) - elif entry.state != timer.TimerEntry.StateEnded: - entry.activate(timer.TimerEntry.EventAbort) - self.timer_list.remove(entry) - - self.calcNextActivation() - print "timer did not yet start - removing" - - # the timer was aborted, and removed. - return - else: - print "timer did already end - doing nothing." print "state: ", entry.state print "in processed: ", entry in self.processed_timers