save playlist on leaving the media player (currently saved with line by line service...
[enigma2.git] / RecordTimer.py
index d893382..1d34395 100644 (file)
 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 enigma import quitMainloop, eEPGCache, eEPGCachePtr
+
+from Screens.MessageBox import MessageBox
 import NavigationInstance
+from time import localtime
 
-from Tools.XMLTools import elementsWithTag
+from Tools.XMLTools import elementsWithTag, mergeText, stringToXML
 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.
+# begin and end will be corrected
+def parseEvent(ev):
+       name = ev.getEventName()
+       description = ev.getShortDescription()
+       begin = ev.getBeginTime()
+       end = begin + ev.getDuration()
+       eit = ev.getEventId()
+       begin -= config.recording.margin_before.value[0] * 60
+       end += config.recording.margin_after.value[0] * 60
+       return (begin, end, name, description, eit)
+
+class AFTEREVENT:
+       NONE = 0
+       STANDBY = 1
+       DEEPSTANDBY = 2
+
+# 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, disabled = False, justplay = False, afterEvent = AFTEREVENT.NONE, checkOldTimers = False):
                timer.TimerEntry.__init__(self, int(begin), int(end))
                
-               assert isinstance(serviceref, ServiceReference)
+               if checkOldTimers == True:
+                       if self.begin < time.time() - 1209600:
+                               self.begin = int(time.time())
                
-               self.service_ref = serviceref
+               if self.end < self.begin:
+                       self.end = self.begin
                
-               if epg is not None:
-                       self.epg_data = ""
-                       #str(epg.m_event_name)
-               else:
-                       self.epg_data = ""
+               assert isinstance(serviceref, ServiceReference)
                
+               self.service_ref = serviceref
+               self.eit = eit
                self.dontSave = False
+               self.name = name
                self.description = description
+               self.disabled = disabled
                self.timer = None
                self.record_service = None
+               self.start_prepare = 0
+               self.justplay = justplay
+               self.afterEvent = afterEvent
+               self.session = 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.cancelled = False
+               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)
-               self.Filename = Directories.getRecordingFilename(service_name)
-               #begin_date + " - " + service_name + description)
+               begin_date = time.strftime("%Y%m%d %H%M", time.localtime(self.begin))
                
-               # build filename from epg
+               print "begin_date: ", begin_date
+               print "service_name: ", service_name
+               print "name:", self.name
+               print "description: ", self.description
                
-               # 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)
-       
+               filename = begin_date + " - " + service_name
+               if self.name:
+                       filename += " - " + self.name
+
+               self.Filename = Directories.getRecordingFilename(filename)
+               self.log(0, "Filename calculated as: '%s'" % self.Filename)
+               #begin_date + " - " + service_name + description)
        
-       def activate(self, event):
-               if event == self.EventPrepare:
+       def tryPrepare(self):
+               if self.justplay:
+                       return True
+               else:
                        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")
-                               f = open(self.Filename + ".ts.meta", "w")
-                               f.write(str(self.service_ref) + "\n")
-                               f.write(self.epg_data + "\n")
-                               del f
+                               self.log(1, "'record service' failed")
+                               return False
+                       else:
+                               event_id = self.eit
+                               if event_id is None:
+                                       event_id = -1
+                               prep_res = self.record_service.prepare(self.Filename + ".ts", self.begin, self.end, event_id )
+                               if prep_res:
+                                       self.log(2, "'prepare' failed: error %d" % prep_res)
+                                       self.record_service = None
+                                       return False
+
+                               if self.repeated:
+                                       epgcache = eEPGCache.getInstance()
+                                       queryTime=self.begin+(self.end-self.begin)/2
+                                       evt = epgcache.lookupEventTime(self.service_ref.ref, queryTime)
+                                       if evt:
+                                               self.description = evt.getShortDescription()
+                               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.name + "\n")
+                                       f.write(self.description + "\n")
+                                       f.write(str(self.begin) + "\n")
+                                       f.close()
+                               except IOError:
+                                       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"), timeout=20)
+                               else: # zap without asking
+                                       self.log(9, "zap without asking")
+                                       Notifications.AddNotification(MessageBox, _("In order to record a timer, the TV was switched to the recording service!\n"), type=MessageBox.TYPE_INFO, timeout=20)
+                                       self.failureCB(True)
+
+                       self.do_backoff()
+                       # retry
+                       self.start_prepare = time.time() + self.backoff
+                       return False
+               elif next_state == self.StateRunning:
+                       # if this timer has been cancelled, just go to "end" state.
+                       if self.cancelled:
+                               return True
+
+                       if self.justplay:
+                               self.log(11, "zapping")
+                               NavigationInstance.instance.playService(self.service_ref.ref)
+                               return True
+                       else:
+                               self.log(11, "start recording")
+                               record_res = self.record_service.start()
                                
-               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:
-                       self.record_service.stop()
-                       self.record_service = None
-                       print "Timer successfully ended"
+                               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")
+                       if not self.justplay:
+                               self.record_service.stop()
+                               self.record_service = None
+                       if self.afterEvent == AFTEREVENT.STANDBY:
+                               if self.session is not None:
+                                       self.session.open(Standby, self)
+                       elif self.afterEvent == AFTEREVENT.DEEPSTANDBY:
+                               quitMainloop(1)
+                       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):
+               old_prepare = self.start_prepare
+               self.start_prepare = self.begin - self.prepare_time
+               self.backoff = 0
+               
+               if old_prepare != self.start_prepare:
+                       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")
+       disabled = long(xml.getAttribute("disabled") or "0")
+       justplay = long(xml.getAttribute("justplay") or "0")
+       afterevent = str(xml.getAttribute("afterevent") or "nothing")
+       afterevent = { "nothing": AFTEREVENT.NONE, "standby": AFTEREVENT.STANDBY, "deepstandby": AFTEREVENT.DEEPSTANDBY }[afterevent]
+       if xml.hasAttribute("eit") and xml.getAttribute("eit") != "None":
+               eit = long(xml.getAttribute("eit"))
+       else:
+               eit = None
+       
+       name = xml.getAttribute("name").encode("utf-8")
+       #filename = xml.getAttribute("filename").encode("utf-8")
+       entry = RecordTimerEntry(serviceref, begin, end, name, description, eit, disabled, justplay, afterevent)
        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().encode("utf-8")
+               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:
-                       if timer.isRunning():
+                       if timer.isRunning() and not timer.justplay:
                                isRunning = True
                return isRunning
        
@@ -118,61 +282,142 @@ class RecordTimer(timer.Timer):
                root = doc.childNodes[0]
                for timer in elementsWithTag(root.childNodes, "timer"):
                        self.record(createTimer(timer))
-       
+
        def saveTimer(self):
-               doc = xml.dom.minidom.Document()
-               root_element = doc.createElement('timers')
-               doc.appendChild(root_element)
-               root_element.appendChild(doc.createTextNode("\n"))
+               #doc = xml.dom.minidom.Document()
+               #root_element = doc.createElement('timers')
+               #doc.appendChild(root_element)
+               #root_element.appendChild(doc.createTextNode("\n"))
                
-               for timer in self.timer_list + self.processed_timers:
+               #for timer in self.timer_list + self.processed_timers:
                        # some timers (instant records) don't want to be saved.
                        # skip them
+                       #if timer.dontSave:
+                               #continue
+                       #t = doc.createTextNode("\t")
+                       #root_element.appendChild(t)
+                       #t = doc.createElement('timer')
+                       #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("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(file)
+               #file.write("\n")
+               #file.close()
+
+               list = []
+
+               list.append('<?xml version="1.0" ?>\n')
+               list.append('<timers>\n')
+               
+               for timer in self.timer_list + self.processed_timers:
                        if timer.dontSave:
                                continue
-                       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("serviceref", str(timer.service_ref))
-                       t.setAttribute("repeated", str(timer.repeated))                 
-                       #t.setAttribute("epgdata", timer.)
-                       t.setAttribute("description", timer.description)
-                       root_element.appendChild(t)
-                       t = doc.createTextNode("\n")
-                       root_element.appendChild(t)
+
+                       list.append('<timer')
+                       list.append(' begin="' + str(int(timer.begin)) + '"')
+                       list.append(' end="' + str(int(timer.end)) + '"')
+                       list.append(' serviceref="' + str(timer.service_ref) + '"')
+                       list.append(' repeated="' + str(int(timer.repeated)) + '"')
+                       list.append(' name="' + str(stringToXML(timer.name)) + '"')
+                       list.append(' description="' + str(stringToXML(timer.description)) + '"')
+                       list.append(' afterevent="' + str(stringToXML({ AFTEREVENT.NONE: "nothing", AFTEREVENT.STANDBY: "standby", AFTEREVENT.DEEPSTANDBY: "deepstandby" }[timer.afterEvent])) + '"')
+                       if timer.eit is not None:
+                               list.append(' eit="' + str(timer.eit) + '"')
+                       list.append(' disabled="' + str(int(timer.disabled)) + '"')
+                       list.append(' justplay="' + str(int(timer.justplay)) + '"')
+                       list.append('>\n')
+                       
+                       #for time, code, msg in timer.log_entries:
+                               #list.append('<log')
+                               #list.append(' code="' + str(code) + '"')
+                               #list.append(' time="' + str(time) + '"')
+                               #list.append('>')
+                               #list.append(str(msg))
+                               #list.append('</log>\n')
+
+                       
+                       list.append('</timer>\n')
+
+               list.append('</timers>\n')
 
                file = open(self.Filename, "w")
-               doc.writexml(codecs.getwriter('UTF-8')(file))
-               file.write("\n")
+               for x in list:
+                       file.write(x)
                file.close()
-       
+
        def record(self, entry):
+               entry.timeChanged()
                print "[Timer] Record " + str(entry)
                entry.Timer = self
                self.addTimerEntry(entry)
+               
+       def isInTimer(self, eventid, begin, duration, service):
+               time_match = 0
+               chktime = None
+               chktimecmp = None
+               chktimecmp_end = None
+               end = begin + duration
+               for x in self.timer_list:
+                       if str(x.service_ref) == str(service):
+                               #if x.eit is not None and x.repeated == 0:
+                               #       if x.eit == eventid:
+                               #               return duration
+                               if x.repeated != 0:
+                                       if chktime is None:
+                                               chktime = localtime(begin)
+                                               chktimecmp = chktime.tm_wday * 1440 + chktime.tm_hour * 60 + chktime.tm_min
+                                               chktimecmp_end = chktimecmp + (duration / 60)
+                                       time = localtime(x.begin)
+                                       for y in range(7):
+                                               if x.repeated & (2 ** y):
+                                                       timecmp = y * 1440 + time.tm_hour * 60 + time.tm_min
+                                                       if timecmp <= chktimecmp < (timecmp + ((x.end - x.begin) / 60)):
+                                                               time_match = ((timecmp + ((x.end - x.begin) / 60)) - chktimecmp) * 60
+                                                       elif chktimecmp <= timecmp < chktimecmp_end:
+                                                               time_match = (chktimecmp_end - timecmp) * 60
+                               else: #if x.eit is None:
+                                       if begin <= x.begin <= end:
+                                               diff = end - x.begin
+                                               if time_match < diff:
+                                                       time_match = diff
+                                       elif x.begin <= begin <= x.end:
+                                               diff = x.end - begin
+                                               if time_match < diff:
+                                                       time_match = diff
+               return time_match
 
        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