add messenger class for unifying logging and mail sending
This commit is contained in:
Jonathan Baecker
parent
1c105f0d49
commit
73bf0f71c0
101
ffplayout.py
101
ffplayout.py
@ -271,7 +271,29 @@ class Mailer:
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self.send_mail(msg)
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mailer = Mailer()
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class Messenger:
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"""
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all logging and mail messages end up here,
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from here they go to logger and mailer
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"""
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def __init__(self):
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self._mailer = Mailer()
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def debug(self, msg):
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logger.debug(msg.replace('\\n', ' '))
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def info(self, msg):
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logger.info(msg.replace('\\n', ' '))
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self._mailer.info(msg)
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def warning(self, msg):
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logger.warning(msg.replace('\\n', ' '))
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self._mailer.warning(msg)
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def error(self, msg):
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logger.error(msg.replace('\\n', ' '))
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self._mailer.error(msg)
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# ------------------------------------------------------------------------------
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@ -284,12 +306,13 @@ class MediaProbe:
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"""
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def load(self, file):
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self.src = file
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self.format = None
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self.audio = []
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self.video = []
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cmd = ['ffprobe', '-v', 'quiet', '-print_format',
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'json', '-show_format', '-show_streams', file]
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'json', '-show_format', '-show_streams', self.src]
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info = json.loads(check_output(cmd).decode(encoding='UTF-8'))
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@ -403,7 +426,7 @@ def valid_json(file):
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json_object = json.load(file)
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return json_object
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except ValueError:
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logger.error("Playlist {} is not JSON conform".format(file))
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Messenger.error("Playlist {} is not JSON conform".format(file))
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return None
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@ -421,13 +444,9 @@ def check_sync(begin, encoder):
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# check that we are in tolerance time
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if _general.stop and abs(time_distance) > _general.threshold:
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mailer.error(
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Messenger.error(
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'Sync tolerance value exceeded with {0:.2f} seconds,\n'
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'program terminated!'.format(time_distance))
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logger.error(
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('Sync tolerance value exceeded with '
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'{0:.2f} seconds, program terminated!').format(time_distance)
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)
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encoder.terminate()
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sys.exit(1)
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@ -447,14 +466,12 @@ def check_length(json_nodes, total_play_time):
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date = get_date(True)
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if total_play_time < length - 5:
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mailer.error(
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Messenger.error(
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'Playlist ({}) is not long enough!\n'
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'total play time is: {}'.format(
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'Total play time is: {}'.format(
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date,
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timedelta(seconds=total_play_time))
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)
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logger.error('Playlist is only {} hours long!'.format(
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timedelta(seconds=total_play_time)))
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def validate_thread(clip_nodes):
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@ -498,11 +515,10 @@ def validate_thread(clip_nodes):
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line = '\n'.join(missing)
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if line:
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logger.error('Validation error :: {}'.format(line))
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error += line + '\nIn line: {}\n\n'.format(node)
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if error:
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mailer.error(
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Messenger.error(
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'Validation error, check JSON playlist, '
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'values are missing:\n{}'.format(error)
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)
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@ -537,7 +553,7 @@ def set_length(duration, seek, out):
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def loop_input(source, src_duration, target_duration):
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# loop filles n times
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loop_count = math.ceil(target_duration / src_duration)
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logger.info(
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Messenger.info(
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'Loop "{0}" {1} times, total duration: {2:.2f}'.format(
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source, loop_count, target_duration))
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return ['-stream_loop', str(loop_count),
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@ -567,7 +583,7 @@ def gen_filler(duration):
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"""
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if not _storage.filler:
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# when no filler is set, generate a dummy
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logger.warning('No filler is set!')
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Messenger.warning('No filler is set!')
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return gen_dummy(duration)
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else:
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# get duration from filler
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@ -583,7 +599,7 @@ def gen_filler(duration):
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if file_duration:
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if file_duration > duration:
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# cut filler
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logger.info(
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Messenger.info(
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'Generate filler with {0:.2f} seconds'.format(duration))
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return ['-i', _storage.filler] + set_length(
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file_duration, 0, duration)
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@ -591,7 +607,7 @@ def gen_filler(duration):
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# loop file n times
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return loop_input(_storage.filler, file_duration, duration)
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else:
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logger.error("Can't get filler length, generate dummy!")
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Messenger.error("Can't get filler length, generate dummy!")
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return gen_dummy(duration)
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@ -609,8 +625,7 @@ def src_or_dummy(src, dur, seek, out):
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else:
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return seek_in(seek) + ['-i', src] + set_length(dur, seek, out)
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else:
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mailer.error('Clip not exist:\n{}'.format(src))
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logger.error('Clip not exist: {}'.format(src))
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Messenger.error('Clip not exist:\n{}'.format(src))
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return gen_dummy(out - seek)
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@ -644,23 +659,22 @@ def gen_input(src, begin, dur, seek, out, last):
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new_len = dur - (time_diff - ref_time)
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if time_diff >= ref_time:
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logger.info('we are under time, new_len is: {0:.2f}'.format(
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Messenger.info('we are under time, new_len is: {0:.2f}'.format(
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new_len))
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src_cmd = src_or_dummy(src, dur, 0, new_len)
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else:
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src_cmd = src_or_dummy(src, dur, 0, dur)
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mailer.error(
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Messenger.error(
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'Playlist is not long enough:\n{0:.2f} seconds needed.'.format(
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new_len))
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logger.error('Playlist is {} seconds to short'.format(new_len))
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return src_cmd, new_len - dur
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elif time_diff > ref_time:
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new_len = out - seek - (time_diff - ref_time)
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# when we over the 24 hours range, trim clip
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logger.info('we are over time, new_len is: {0:.2f}'.format(new_len))
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Messenger.info('we are over time, new_len is: {0:.2f}'.format(new_len))
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# When calculated length from last clip is longer then 5 seconds,
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# we use the clip. When the length is less then 5 and bigger then 1
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@ -806,7 +820,7 @@ def add_audio(probe, duration):
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line = []
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if not probe.audio:
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logger.warning('Clip has no audio!')
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Messenger.warning('Clip "{}" has no audio!'.format(probe.src))
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line = [
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'aevalsrc=0:channel_layout=2:duration={}:sample_rate={}'.format(
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duration, 48000)]
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@ -980,19 +994,20 @@ class MediaWatcher:
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self._media.add(event.src_path)
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logger.info('Add file to media list: "{}"'.format(event.src_path))
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Messenger.info('Add file to media list: "{}"'.format(event.src_path))
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def on_moved(self, event):
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self._media.remove(event.src_path)
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self._media.add(event.dest_path)
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logger.info('Move file from "{}" to "{}"'.format(event.src_path,
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Messenger.info('Move file from "{}" to "{}"'.format(event.src_path,
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event.dest_path))
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def on_deleted(self, event):
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self._media.remove(event.src_path)
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logger.info('Remove file from media list: "{}"'.format(event.src_path))
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Messenger.info(
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'Remove file from media list: "{}"'.format(event.src_path))
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def stop(self):
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self.observer.stop()
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@ -1112,7 +1127,7 @@ class GetSourceIter(object):
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if mod_time > self.last_mod_time:
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self.clip_nodes = valid_json(req)
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self.last_mod_time = mod_time
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logger.info('open: ' + self.json_file)
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Messenger.info('open: ' + self.json_file)
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validate_thread(self.clip_nodes)
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except (request.URLError, socket.timeout):
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self.eof_handling('Get playlist from url failed!', False)
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@ -1125,7 +1140,7 @@ class GetSourceIter(object):
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self.clip_nodes = valid_json(f)
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self.last_mod_time = mod_time
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logger.info('open: ' + self.json_file)
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Messenger.info('open: ' + self.json_file)
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validate_thread(self.clip_nodes)
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else:
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# when we have no playlist for the current day,
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@ -1161,12 +1176,11 @@ class GetSourceIter(object):
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try:
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output = check_output(cmd).decode('utf-8')
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except CalledProcessError as err:
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logger.error("ffprobe error: {}".format(err))
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Messenger.error("ffprobe error: {}".format(err))
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output = None
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if not output:
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mailer.error('Clip not exist:\n{}'.format(self.src))
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logger.error('Clip not exist: {}'.format(self.src))
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Messenger.error('Clip not exist:\n{}'.format(self.src))
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self.src = None
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elif is_float(output):
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self.duration = float(output)
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@ -1241,7 +1255,6 @@ class GetSourceIter(object):
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self.duration = abs(new_len)
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self.list_date = get_date(False)
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self.last_mod_time = 0.0
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# TODO: remove -> self.first?
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self.first = False
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self.last_time = 0.0
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@ -1262,10 +1275,10 @@ class GetSourceIter(object):
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if get_time('stamp') - self.timestamp > 3600 \
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and message != self.last_error:
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self.last_error = message
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mailer.error('{}\n{}'.format(message, self.json_file))
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Messenger.error('{}\n{}'.format(message, self.json_file))
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self.timestamp = get_time('stamp')
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logger.error('{} {}'.format(message, self.json_file))
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Messenger.error('{} {}'.format(message, self.json_file))
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self.last = False
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@ -1347,7 +1360,7 @@ class GetSourceIter(object):
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else:
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if not _playlist.start or 'length' not in self.clip_nodes:
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# when we reach currect end, stop script
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logger.info('Playlist reach End!')
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Messenger.info('Playlist reach End!')
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return
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elif self.begin == self.init_time:
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@ -1380,7 +1393,7 @@ def main():
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'-f', 'mpegts', '-']
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if os.path.isfile(_text.textfile):
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logger.info('Overlay text file: "{}"'.format(_text.textfile))
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Messenger.info('Overlay text file: "{}"'.format(_text.textfile))
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overlay = [
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'-vf', ("drawtext=box={}:boxcolor='{}':boxborderw={}"
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":fontsize={}:fontcolor={}:fontfile='{}':textfile={}"
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@ -1411,20 +1424,20 @@ def main():
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watcher = None
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get_source = GetSourceIter(encoder)
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else:
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logger.info("start folder mode")
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Messenger.info("start folder mode")
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media = MediaStore()
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watcher = MediaWatcher(media)
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get_source = GetSource(media)
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try:
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for src_cmd in get_source.next():
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logger.debug('src_cmd: "{}"'.format(src_cmd))
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Messenger.debug('src_cmd: "{}"'.format(src_cmd))
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if src_cmd[0] == '-i':
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current_file = src_cmd[1]
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else:
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current_file = src_cmd[3]
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logger.info('play: "{}"'.format(current_file))
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Messenger.info('play: "{}"'.format(current_file))
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with Popen([
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'ffmpeg', '-v', 'error', '-hide_banner', '-nostats'
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@ -1438,15 +1451,15 @@ def main():
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encoder.stdin.write(buf)
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except BrokenPipeError:
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logger.error('Broken Pipe!')
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Messenger.error('Broken Pipe!')
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terminate_processes(decoder, encoder, watcher)
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except SystemExit:
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logger.info("got close command")
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Messenger.info("got close command")
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terminate_processes(decoder, encoder, watcher)
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except KeyboardInterrupt:
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logger.warning('program terminated')
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Messenger.warning('program terminated')
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terminate_processes(decoder, encoder, watcher)
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# close encoder when nothing is to do anymore
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