forked from rc/aircox
137 lines
4.4 KiB
Python
137 lines
4.4 KiB
Python
"""
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Check over programs' sound files, scan them, and add them to the
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database if they are not there yet.
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It tries to parse the file name to get the date of the diffusion of an
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episode and associate the file with it; We use the following format:
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yyyymmdd[_n][_][title]
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Where:
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'yyyy' is the year of the episode's diffusion;
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'mm' is the month of the episode's diffusion;
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'dd' is the day of the episode's diffusion;
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'n' is the number of the episode (if multiple episodes);
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'title' the title of the sound;
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"""
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import os
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import re
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from argparse import RawTextHelpFormatter
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from django.core.management.base import BaseCommand, CommandError
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from django.utils import timezone
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from aircox_programs.models import *
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import aircox_programs.settings as settings
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class Command (BaseCommand):
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help= __doc__
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def report (self, program = None, component = None, *content):
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if not component:
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print('{}: '.format(program), *content)
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else:
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print('{}, {}: '.format(program, component), *content)
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def add_arguments (self, parser):
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parser.formatter_class=RawTextHelpFormatter
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def handle (self, *args, **options):
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programs = Program.objects.filter()
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for program in programs:
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self.check(program, program.path + '/public', public = True)
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self.check(program, program.path + '/podcasts', embed = True)
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self.check(program, program.path + '/private')
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def get_sound_info (self, path):
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"""
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Parse file name to get info on the assumption it has the correct
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format (given in Command.help)
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"""
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r = re.search('^(?P<year>[0-9]{4})'
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'(?P<month>[0-9]{2})'
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'(?P<day>[0-9]{2})'
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'(_(?P<n>[0-9]+))?'
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'_?(?P<name>.*)\.\w+$',
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os.path.basename(path))
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if not (r and r.groupdict()):
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self.report(program, path, "file path is not correct, use defaults")
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r = {
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'name': os.path.splitext(path)
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}
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r['path'] = path
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return r
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def ensure_sound (self, sound_info):
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"""
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Return the Sound for the given sound_info; If not found, create it
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without saving it.
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"""
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sound = Sound.objects.filter(path = path)
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if sound:
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sound = sound[0]
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else:
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sound = Sound(path = path, title = sound_info['name'])
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def find_episode (self, program, sound_info):
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"""
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For a given program, and sound path check if there is an episode to
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associate to, using the diffusion's date.
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If there is no matching episode, return None.
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"""
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# check on episodes
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diffusion = Diffusion.objects.filter(
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program = program,
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date__year = int(sound_info['year']),
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date__month = int(sound_info['month']),
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date__day = int(sound_info['day'])
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)
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if not diffusion.count():
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self.report(program, path, 'no diffusion found for the given date')
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return
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diffusion = diffusion[0]
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return diffusion.episode or None
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def check (self, program, dir_path, public = False, embed = False):
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"""
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Scan a given directory that is associated to the given program, and
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update sounds information
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Return a list of scanned sounds
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"""
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if not os.path.exists(dir_path):
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return
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paths = []
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for path in os.listdir(dir_path):
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path = dir_path + '/' + path
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if not path.endswith(settings.AIRCOX_SOUNDFILE_EXT):
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continue
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paths.append(path)
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sound_info = self.get_sound_info(path)
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sound = self.ensure_sound(sound_info)
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sound.public = public
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# episode and relation
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if 'year' in sound_info:
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episode = self.find_episode(program, sound_info)
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if episode:
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for sound_ in episode.sounds.get_queryset():
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if sound_.path == sound.path:
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break
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else:
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self.report(program, path, 'associate sound to episode ',
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episode.id)
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episode.sounds.add(sound)
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return paths
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