X-Git-Url: https://git.mdrn.pl/audio.git/blobdiff_plain/6b9d2a8ea0a58826f0f30f135a3f7d065b3bb435..eee35e00bf0d0eb3d2a9f08f72c7052962fecbf6:/apps/archive/tasks.py?ds=inline diff --git a/apps/archive/tasks.py b/apps/archive/tasks.py deleted file mode 100644 index a46b79c..0000000 --- a/apps/archive/tasks.py +++ /dev/null @@ -1,214 +0,0 @@ -from datetime import datetime -import errno -import mimetypes -import os -import os.path -import pipes -import stat -import subprocess -from tempfile import NamedTemporaryFile -from time import sleep - -#from celery.decorators import task -from celery.task import Task -from django.db.models import F -from fabric import api -from fabric.network import disconnect_all -from mutagen import File -from mutagen import id3 - -import mutagen - -from archive.constants import status -from archive.models import Audiobook -from archive.settings import (BUILD_PATH, COVER_IMAGE, - UPLOAD_HOST, UPLOAD_USER, UPLOAD_PASSWORD, UPLOAD_PATH, UPLOAD_CMD, UPLOAD_SUDO) -from archive.utils import ExistingFile - -api.env.host_string = UPLOAD_HOST -api.env.user = UPLOAD_USER -api.env.password = UPLOAD_PASSWORD - -class AudioFormatTask(Task): - abstract = True - - class RemoteOperationError(BaseException): - pass - - @classmethod - def set_status(cls, aid, status): - Audiobook.objects.filter(pk=aid).update( - **{'%s_status' % cls.ext: status}) - - @staticmethod - def encode(in_path, out_path): - raise NotImplemented - - @classmethod - def set_tags(cls, audiobook, file_name): - tags = getattr(audiobook, "%s_tags" % cls.ext)['tags'] - if not tags.get('flac_sha1'): - tags['flac_sha1'] = audiobook.get_source_sha1() - audio = File(file_name) - for k, v in tags.items(): - audio[k] = v - audio.save() - - @classmethod - def save(cls, audiobook, file_name): - field = "%s_file" % cls.ext - getattr(audiobook, field).save( - "%d.%s" % (audiobook.pk, cls.ext), - ExistingFile(file_name), - save=False - ) - os.chmod(getattr(audiobook, field).path, stat.S_IREAD|stat.S_IWRITE|stat.S_IRGRP|stat.S_IROTH) - Audiobook.objects.filter(pk=audiobook.pk).update( - **{field: getattr(audiobook, field)}) - - @classmethod - def published(cls, aid): - kwargs = { - "%s_published_tags" % cls.ext: F("%s_tags" % cls.ext), - "%s_tags" % cls.ext: None, - "%s_published" % cls.ext: datetime.now(), - '%s_status' % cls.ext: None, - } - Audiobook.objects.filter(pk=aid).update(**kwargs) - - @classmethod - def put(cls, audiobook, path): - tags = getattr(audiobook, "%s_tags" % cls.ext) - prefix, slug = tags['url'].rstrip('/').rsplit('/', 1) - name = tags['name'] - command = UPLOAD_CMD + (u' %s %s %s %s %s %s > output.txt' % ( - pipes.quote(os.path.join(UPLOAD_PATH, os.path.basename(path))), - pipes.quote(slug), - pipes.quote(name), - pipes.quote(audiobook.part_name), - audiobook.index, - audiobook.parts_count, - )).encode('utf-8') - try: - api.put(path, UPLOAD_PATH) - if UPLOAD_SUDO: - api.sudo(command, user=UPLOAD_SUDO, shell=False) - else: - api.run(command) - disconnect_all() - except SystemExit, e: - raise cls.RemoteOperationError - - def run(self, aid, publish=True): - aid = int(aid) - audiobook = Audiobook.objects.get(id=aid) - self.set_status(aid, status.ENCODING) - - try: - os.makedirs(BUILD_PATH) - except OSError as e: - if e.errno == errno.EEXIST: - pass - else: - raise - - out_file = NamedTemporaryFile(delete=False, prefix='%d-' % aid, suffix='.%s' % self.ext, dir=BUILD_PATH) - out_file.close() - self.encode(audiobook.source_file.path, out_file.name) - self.set_status(aid, status.TAGGING) - self.set_tags(audiobook, out_file.name) - self.set_status(aid, status.SENDING) - - if publish: - self.put(audiobook, out_file.name) - self.published(aid) - else: - self.set_status(aid, None) - - self.save(audiobook, out_file.name) - - def on_failure(self, exc, task_id, args, kwargs, einfo): - aid = (args[0], kwargs.get('aid'))[0] - self.set_status(aid, None) - - -class Mp3Task(AudioFormatTask): - ext = 'mp3' - - # these shouldn't be staticmethods - def id3_text(tag, text): - return tag(encoding=1, text=text) - def id3_url(tag, text): - return tag(url=text) - def id3_comment(tag, text, lang=u'pol'): - return tag(encoding=1, lang=lang, desc=u'', text=text) - def id3_priv(tag, text, what=u''): - return tag(owner='wolnelektury.pl?%s' % what, data=text.encode('utf-8')) - - TAG_MAP = { - 'album': (id3_text, id3.TALB), - 'albumartist': (id3_text, id3.TPE2), - 'artist': (id3_text, id3.TPE1), - 'conductor': (id3_text, id3.TPE3), - 'copyright': (id3_text, id3.TCOP), - 'date': (id3_text, id3.TDRC), - 'genre': (id3_text, id3.TCON), - 'language': (id3_text, id3.TLAN), - 'organization': (id3_text, id3.TPUB), - 'title': (id3_text, id3.TIT2), - 'comment': (id3_comment, id3.COMM, 'pol'), - 'contact': (id3_url, id3.WOAF), - 'license': (id3_url, id3.WCOP), - 'flac_sha1': (id3_priv, id3.PRIV, 'flac_sha1'), - 'project': (id3_priv, id3.PRIV, 'project'), - 'funded_by': (id3_priv, id3.PRIV, 'funded_by'), - } - - @staticmethod - def encode(in_path, out_path): - # 44.1kHz 64kbps mono MP3 - subprocess.check_call(['ffmpeg', - '-i', in_path.encode('utf-8'), - '-ar', '44100', - '-ab', '64k', - '-ac', '1', - '-y', - '-acodec', 'libmp3lame', - out_path.encode('utf-8') - ]) - - @classmethod - def set_tags(cls, audiobook, file_name): - mp3_tags = audiobook.mp3_tags['tags'] - if not mp3_tags.get('flac_sha1'): - mp3_tags['flac_sha1'] = audiobook.get_source_sha1() - audio = id3.ID3(file_name) - for k, v in mp3_tags.items(): - factory_tuple = cls.TAG_MAP[k] - factory, tagtype = factory_tuple[:2] - audio.add(factory(tagtype, v, *factory_tuple[2:])) - - if COVER_IMAGE: - mime = mimetypes.guess_type(COVER_IMAGE) - f = open(COVER_IMAGE) - audio.add(id3.APIC(encoding=0, mime=mime, type=3, desc=u'', data=f.read())) - f.close() - - audio.save() - - -class OggTask(AudioFormatTask): - ext = 'ogg' - - @staticmethod - def encode(in_path, out_path): - # 44.1kHz 64kbps mono Ogg Vorbis - subprocess.check_call(['ffmpeg', - '-i', in_path.encode('utf-8'), - '-ar', '44100', - '-ab', '64k', - '-ac', '1', - '-y', - '-acodec', 'libvorbis', - out_path.encode('utf-8') - ])