kopia lustrzana https://dev.funkwhale.audio/funkwhale/funkwhale
153 wiersze
3.9 KiB
Python
153 wiersze
3.9 KiB
Python
import os
|
|
import pathlib
|
|
import mimetypes
|
|
|
|
import magic
|
|
import mutagen
|
|
import pydub
|
|
|
|
from django.conf import settings
|
|
from django.core.cache import cache
|
|
from django.db.models import F
|
|
|
|
from funkwhale_api.common import throttling
|
|
from funkwhale_api.common.search import get_fts_query # noqa
|
|
from funkwhale_api.common.search import get_query # noqa
|
|
from funkwhale_api.common.search import normalize_query # noqa
|
|
|
|
|
|
def guess_mimetype(f):
|
|
b = min(1000000, f.size)
|
|
t = magic.from_buffer(f.read(b), mime=True)
|
|
if not t.startswith("audio/"):
|
|
t = guess_mimetype_from_name(f.name)
|
|
|
|
return t
|
|
|
|
|
|
def guess_mimetype_from_name(name):
|
|
# failure, we try guessing by extension
|
|
mt, _ = mimetypes.guess_type(name)
|
|
if mt:
|
|
t = mt
|
|
else:
|
|
t = EXTENSION_TO_MIMETYPE.get(name.split(".")[-1])
|
|
return t
|
|
|
|
|
|
def compute_status(jobs):
|
|
statuses = jobs.order_by().values_list("status", flat=True).distinct()
|
|
errored = any([status == "errored" for status in statuses])
|
|
if errored:
|
|
return "errored"
|
|
pending = any([status == "pending" for status in statuses])
|
|
if pending:
|
|
return "pending"
|
|
return "finished"
|
|
|
|
|
|
AUDIO_EXTENSIONS_AND_MIMETYPE = [
|
|
# keep the most correct mimetype for each extension at the bottom
|
|
("mp3", "audio/mp3"),
|
|
("mp3", "audio/mpeg3"),
|
|
("mp3", "audio/x-mp3"),
|
|
("mp3", "audio/mpeg"),
|
|
("ogg", "video/ogg"),
|
|
("ogg", "audio/ogg"),
|
|
("opus", "audio/opus"),
|
|
("aac", "audio/x-m4a"),
|
|
("m4a", "audio/x-m4a"),
|
|
("flac", "audio/x-flac"),
|
|
("flac", "audio/flac"),
|
|
]
|
|
|
|
EXTENSION_TO_MIMETYPE = {ext: mt for ext, mt in AUDIO_EXTENSIONS_AND_MIMETYPE}
|
|
MIMETYPE_TO_EXTENSION = {mt: ext for ext, mt in AUDIO_EXTENSIONS_AND_MIMETYPE}
|
|
|
|
SUPPORTED_EXTENSIONS = list(
|
|
sorted(set([ext for ext, _ in AUDIO_EXTENSIONS_AND_MIMETYPE]))
|
|
)
|
|
|
|
|
|
def get_ext_from_type(mimetype):
|
|
return MIMETYPE_TO_EXTENSION.get(mimetype)
|
|
|
|
|
|
def get_type_from_ext(extension):
|
|
if extension.startswith("."):
|
|
# we remove leading dot
|
|
extension = extension[1:]
|
|
return EXTENSION_TO_MIMETYPE.get(extension)
|
|
|
|
|
|
def get_audio_file_data(f):
|
|
data = mutagen.File(f)
|
|
if not data:
|
|
return
|
|
d = {}
|
|
d["bitrate"] = getattr(data.info, "bitrate", 0)
|
|
d["length"] = data.info.length
|
|
|
|
return d
|
|
|
|
|
|
def get_actor_from_request(request):
|
|
actor = None
|
|
if hasattr(request, "actor"):
|
|
actor = request.actor
|
|
elif request.user.is_authenticated:
|
|
actor = request.user.actor
|
|
|
|
return actor
|
|
|
|
|
|
def transcode_file(input, output, input_format, output_format, **kwargs):
|
|
with input.open("rb"):
|
|
audio = pydub.AudioSegment.from_file(input, format=input_format)
|
|
return transcode_audio(audio, output, output_format, **kwargs)
|
|
|
|
|
|
def transcode_audio(audio, output, output_format, **kwargs):
|
|
with output.open("wb"):
|
|
return audio.export(output, format=output_format, **kwargs)
|
|
|
|
|
|
def increment_downloads_count(upload, user, wsgi_request):
|
|
ident = throttling.get_ident(user=user, request=wsgi_request)
|
|
cache_key = "downloads_count:upload-{}:{}-{}".format(
|
|
upload.pk, ident["type"], ident["id"]
|
|
)
|
|
|
|
value = cache.get(cache_key)
|
|
if value:
|
|
# download already tracked
|
|
return
|
|
|
|
upload.downloads_count = F("downloads_count") + 1
|
|
upload.track.downloads_count = F("downloads_count") + 1
|
|
|
|
upload.save(update_fields=["downloads_count"])
|
|
upload.track.save(update_fields=["downloads_count"])
|
|
|
|
duration = max(upload.duration or 0, settings.MIN_DELAY_BETWEEN_DOWNLOADS_COUNT)
|
|
|
|
cache.set(cache_key, 1, duration)
|
|
|
|
|
|
def browse_dir(root, path):
|
|
if ".." in path:
|
|
raise ValueError("Relative browsing is not allowed")
|
|
|
|
root = pathlib.Path(root)
|
|
real_path = root / path
|
|
|
|
dirs = []
|
|
files = []
|
|
for el in sorted(os.listdir(real_path)):
|
|
if os.path.isdir(real_path / el):
|
|
dirs.append({"name": el, "dir": True})
|
|
else:
|
|
files.append({"name": el, "dir": False})
|
|
|
|
return dirs + files
|