6 from django.template import loader
7 import xml.etree.ElementTree as ET
14 from .models import Track, SomaLogLine, LOCAL_BASE_PATH
17 def get_current_nonstop_track():
19 soma_log_line = SomaLogLine.objects.select_related().order_by('-play_timestamp')[0]
23 if soma_log_line.play_timestamp < (datetime.datetime.now() - datetime.timedelta(hours=1)):
24 # last known line is way too old
26 if not soma_log_line.on_air:
27 # nonstop should be on air but it's not :/
30 current_nonstop_file = soma_log_line.filepath
31 if not 'Tranches/' in current_nonstop_file.filepath and (
32 not 'tracks/' in current_nonstop_file.filepath):
33 # nonstop is playing but it's not a nonstop track :/
35 current_track = soma_log_line.filepath.track
36 if current_track is None:
37 # nonstop is playing a nonstop track, but it's unknown :/
39 d = {'track_title': current_track.title}
40 if current_track.artist:
41 d['track_artist'] = current_track.artist.name
45 def get_diffusion_file_path(diffusion):
46 return u'diffusions-auto/%s--%s' % (
47 diffusion.datetime.strftime('%Y%m%d-%H%M'),
48 diffusion.episode.emission.slug)
50 def is_already_in_soma(diffusion):
51 return os.path.exists(os.path.join(LOCAL_BASE_PATH, get_diffusion_file_path(diffusion)))
53 class DuplicateDiffusionSlot(Exception):
56 def add_diffusion(diffusion):
57 soundfile = diffusion.episode.soundfile_set.filter(fragment=False)[0]
58 diffusion_path = get_diffusion_file_path(diffusion)
61 if os.path.exists(LOCAL_BASE_PATH):
62 if os.path.exists(os.path.join(LOCAL_BASE_PATH, diffusion_path)):
63 raise DuplicateDiffusionSlot()
64 os.mkdir(os.path.join(LOCAL_BASE_PATH, diffusion_path))
65 shutil.copyfile(soundfile.file.path,
66 os.path.join(LOCAL_BASE_PATH, diffusion_path, os.path.basename(soundfile.file.path)))
69 palinsesti_template = loader.get_template('nonstop/soma_palinsesti.xml')
71 context['diffusion_path'] = diffusion_path
72 context['episode'] = diffusion.episode
73 context['start'] = diffusion.datetime
74 # end should be a bit before the real end of file so the same file doesn't
76 context['end'] = diffusion.datetime + datetime.timedelta(seconds=(soundfile.duration or 300) - 180)
78 palinsesti = palinsesti_template.render(context)
79 palinsesti_xml = ET.fromstring(palinsesti.encode('utf-8'))
83 connection = pysoma.open_tcp('soma.panik', 12521, '', 0)
84 palinsesto_xml = ET.fromstring(connection.get_palinsesto())
85 palinsesto_xml.append(palinsesti_xml)
86 with open('/tmp/soma.pl', 'w') as fd:
87 fd.write(ET.tostring(palinsesto_xml))
89 connection.new_palinsesto('/tmp/soma.pl')
92 # give it some time (...)
94 connection = pysoma.open_tcp('soma.panik', 12521, '', 0)
95 connection.set_default_palinsesto()