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.
25 # begin and end will be corrected
27 name = ev.getEventName()
28 description = ev.getShortDescription()
29 begin = ev.getBeginTime()
30 end = begin + ev.getDuration()
32 begin -= config.recording.margin_before.value[0] * 60
33 end += config.recording.margin_after.value[0] * 60
34 return (begin, end, name, description, eit)
36 # please do not translate log messages
37 class RecordTimerEntry(timer.TimerEntry):
38 def __init__(self, serviceref, begin, end, name, description, eit, disabled = False):
39 timer.TimerEntry.__init__(self, int(begin), int(end))
41 assert isinstance(serviceref, ServiceReference)
43 self.service_ref = serviceref
47 self.description = description
48 self.disabled = disabled
50 self.record_service = None
51 self.start_prepare = 0
56 def log(self, code, msg):
57 self.log_entries.append((int(time.time()), code, msg))
61 self.state = self.StateWaiting
62 self.first_try_prepare = True
65 def calculateFilename(self):
66 service_name = self.service_ref.getServiceName()
67 begin_date = time.strftime("%Y%m%d %H%M", time.localtime(self.begin))
69 print "begin_date: ", begin_date
70 print "service_name: ", service_name
71 print "name:", self.name
72 print "description: ", self.description
74 filename = begin_date + " - " + service_name
76 filename += " - " + self.name
78 self.Filename = Directories.getRecordingFilename(filename)
79 self.log(0, "Filename calculated as: '%s'" % self.Filename)
80 #begin_date + " - " + service_name + description)
83 self.calculateFilename()
84 self.record_service = NavigationInstance.instance.recordService(self.service_ref)
85 if self.record_service == None:
86 self.log(1, "'record service' failed")
92 prep_res = self.record_service.prepare(self.Filename + ".ts", self.begin, self.end, event_id )
94 self.log(2, "'prepare' failed: error %d" % prep_res)
95 self.record_service = None
98 self.log(3, "prepare ok, writing meta information to %s" % self.Filename)
100 f = open(self.Filename + ".ts.meta", "w")
101 f.write(str(self.service_ref) + "\n")
102 f.write(self.name + "\n")
103 f.write(self.description + "\n")
104 f.write(str(self.begin) + "\n")
107 self.log(4, "failed to write meta information")
110 def do_backoff(self):
111 if self.backoff == 0:
115 if self.backoff > 100:
117 self.log(10, "backoff: retry in %d seconds" % self.backoff)
120 next_state = self.state + 1
121 self.log(5, "activating state %d" % next_state)
123 if next_state == self.StatePrepared:
124 if self.tryPrepare():
125 self.log(6, "prepare ok, waiting for begin")
126 # fine. it worked, resources are allocated.
127 self.next_activation = self.begin
131 self.log(7, "prepare failed")
132 if self.first_try_prepare:
133 self.first_try_prepare = False
134 if config.recording.asktozap.value == 0:
135 self.log(8, "asking user to zap away")
136 Notifications.AddNotificationWithCallback(self.failureCB, MessageBox, _("A timer failed to record!\nDisable TV and try again?\n"))
137 else: # zap without asking
138 self.log(9, "zap without asking")
143 self.start_prepare = time.time() + self.backoff
145 elif next_state == self.StateRunning:
146 self.log(11, "start recording")
147 record_res = self.record_service.start()
150 self.log(13, "start record returned %d" % record_res)
153 self.begin = time.time() + self.backoff
157 elif next_state == self.StateEnded:
158 self.log(12, "stop recording")
159 self.record_service.stop()
160 self.record_service = None
163 def getNextActivation(self):
164 if self.state == self.StateEnded:
167 next_state = self.state + 1
169 return {self.StatePrepared: self.start_prepare,
170 self.StateRunning: self.begin,
171 self.StateEnded: self.end }[next_state]
173 def failureCB(self, answer):
175 self.log(13, "ok, zapped away")
176 #NavigationInstance.instance.stopUserServices()
177 NavigationInstance.instance.playService(self.service_ref.ref)
179 self.log(14, "user didn't want to zap away, record will probably fail")
181 def timeChanged(self):
182 old_prepare = self.start_prepare
183 self.start_prepare = self.begin - self.prepare_time
186 if old_prepare != self.start_prepare:
187 self.log(15, "record time changed, start prepare is now: %s" % time.ctime(self.start_prepare))
189 def createTimer(xml):
190 begin = int(xml.getAttribute("begin"))
191 end = int(xml.getAttribute("end"))
192 serviceref = ServiceReference(str(xml.getAttribute("serviceref")))
193 description = xml.getAttribute("description").encode("utf-8")
194 repeated = xml.getAttribute("repeated").encode("utf-8")
195 disabled = long(xml.getAttribute("disabled") or "0")
196 if xml.hasAttribute("eit") and xml.getAttribute("eit") != "None":
197 eit = long(xml.getAttribute("eit"))
201 name = xml.getAttribute("name").encode("utf-8")
202 #filename = xml.getAttribute("filename").encode("utf-8")
203 entry = RecordTimerEntry(serviceref, begin, end, name, description, eit, disabled)
204 entry.repeated = int(repeated)
206 for l in elementsWithTag(xml.childNodes, "log"):
207 time = int(l.getAttribute("time"))
208 code = int(l.getAttribute("code"))
209 msg = mergeText(l.childNodes).strip().encode("utf-8")
210 entry.log_entries.append((time, code, msg))
214 class RecordTimer(timer.Timer):
216 timer.Timer.__init__(self)
218 self.Filename = Directories.resolveFilename(Directories.SCOPE_CONFIG, "timers.xml")
223 print "unable to load timers from file!"
225 def isRecording(self):
227 for timer in self.timer_list:
228 if timer.isRunning():
234 doc = xml.dom.minidom.parse(self.Filename)
236 root = doc.childNodes[0]
237 for timer in elementsWithTag(root.childNodes, "timer"):
238 self.record(createTimer(timer))
240 def strToXML(self, str):
241 return str.replace('&', '&').replace('<', '<').replace('>', '>').replace("'", '''). replace('"', '&qout;')
244 #doc = xml.dom.minidom.Document()
245 #root_element = doc.createElement('timers')
246 #doc.appendChild(root_element)
247 #root_element.appendChild(doc.createTextNode("\n"))
249 #for timer in self.timer_list + self.processed_timers:
250 # some timers (instant records) don't want to be saved.
254 #t = doc.createTextNode("\t")
255 #root_element.appendChild(t)
256 #t = doc.createElement('timer')
257 #t.setAttribute("begin", str(int(timer.begin)))
258 #t.setAttribute("end", str(int(timer.end)))
259 #t.setAttribute("serviceref", str(timer.service_ref))
260 #t.setAttribute("repeated", str(timer.repeated))
261 #t.setAttribute("name", timer.name)
262 #t.setAttribute("description", timer.description)
263 #t.setAttribute("eit", str(timer.eit))
265 #for time, code, msg in timer.log_entries:
266 #t.appendChild(doc.createTextNode("\t\t"))
267 #l = doc.createElement('log')
268 #l.setAttribute("time", str(time))
269 #l.setAttribute("code", str(code))
270 #l.appendChild(doc.createTextNode(msg))
272 #t.appendChild(doc.createTextNode("\n"))
274 #root_element.appendChild(t)
275 #t = doc.createTextNode("\n")
276 #root_element.appendChild(t)
279 #file = open(self.Filename, "w")
286 list.append('<?xml version="1.0" ?>\n')
287 list.append('<timers>\n')
289 for timer in self.timer_list + self.processed_timers:
293 list.append('<timer')
294 list.append(' begin="' + str(int(timer.begin)) + '"')
295 list.append(' end="' + str(int(timer.end)) + '"')
296 list.append(' serviceref="' + str(timer.service_ref) + '"')
297 list.append(' repeated="' + str(int(timer.repeated)) + '"')
298 list.append(' name="' + str(self.strToXML(timer.name)) + '"')
299 list.append(' description="' + str(self.strToXML(timer.description)) + '"')
300 if timer.eit is not None:
301 list.append(' eit="' + str(timer.eit) + '"')
302 list.append(' disabled="' + str(int(timer.disabled)) + '"')
305 for time, code, msg in timer.log_entries:
307 list.append(' code="' + str(code) + '"')
308 list.append(' time="' + str(time) + '"')
310 list.append(str(msg))
311 list.append('</log>\n')
314 list.append('</timer>\n')
316 list.append('</timers>\n')
318 file = open(self.Filename, "w")
323 def record(self, entry):
325 print "[Timer] Record " + str(entry)
327 self.addTimerEntry(entry)
329 def removeEntry(self, entry):
330 print "[Timer] Remove " + str(entry)
333 entry.repeated = False
336 # this sets the end time to current time, so timer will be stopped.
339 if entry.state != entry.StateEnded:
340 self.timeChanged(entry)
342 print "state: ", entry.state
343 print "in processed: ", entry in self.processed_timers
344 print "in running: ", entry in self.timer_list
345 # now the timer should be in the processed_timers list. remove it from there.
346 self.processed_timers.remove(entry)