ArchiveBox/archivebox/extractors/media.py
2020-09-17 09:09:52 -05:00

97 lines
2.9 KiB
Python

__package__ = 'archivebox.extractors'
from pathlib import Path
from typing import Optional
from ..index.schema import Link, ArchiveResult, ArchiveOutput, ArchiveError
from ..system import run, chmod_file
from ..util import (
enforce_types,
is_static_file,
)
from ..config import (
MEDIA_TIMEOUT,
SAVE_MEDIA,
SAVE_PLAYLISTS,
YOUTUBEDL_BINARY,
YOUTUBEDL_VERSION,
CHECK_SSL_VALIDITY
)
from ..logging_util import TimedProgress
@enforce_types
def should_save_media(link: Link, out_dir: Optional[Path]=None) -> bool:
out_dir = out_dir or link.link_dir
if is_static_file(link.url):
return False
if (out_dir / "media").exists():
return False
return SAVE_MEDIA
@enforce_types
def save_media(link: Link, out_dir: Optional[Path]=None, timeout: int=MEDIA_TIMEOUT) -> ArchiveResult:
"""Download playlists or individual video, audio, and subtitles using youtube-dl"""
out_dir = out_dir or Path(link.link_dir)
output: ArchiveOutput = 'media'
output_path = out_dir / output
output_path.mkdir(exist_ok=True)
cmd = [
YOUTUBEDL_BINARY,
'--write-description',
'--write-info-json',
'--write-annotations',
'--write-thumbnail',
'--no-call-home',
'--no-check-certificate',
'--user-agent',
'--all-subs',
'--extract-audio',
'--keep-video',
'--ignore-errors',
'--geo-bypass',
'--audio-format', 'mp3',
'--audio-quality', '320K',
'--embed-thumbnail',
'--add-metadata',
*(['--yes-playlist'] if SAVE_PLAYLISTS else []),
*([] if CHECK_SSL_VALIDITY else ['--no-check-certificate']),
link.url,
]
status = 'succeeded'
timer = TimedProgress(timeout, prefix=' ')
try:
result = run(cmd, cwd=str(output_path), timeout=timeout + 1)
chmod_file(output, cwd=str(out_dir))
if result.returncode:
if (b'ERROR: Unsupported URL' in result.stderr
or b'HTTP Error 404' in result.stderr
or b'HTTP Error 403' in result.stderr
or b'URL could be a direct video link' in result.stderr
or b'Unable to extract container ID' in result.stderr):
# These happen too frequently on non-media pages to warrant printing to console
pass
else:
hints = (
'Got youtube-dl response code: {}.'.format(result.returncode),
*result.stderr.decode().split('\n'),
)
raise ArchiveError('Failed to save media', hints)
except Exception as err:
status = 'failed'
output = err
finally:
timer.end()
return ArchiveResult(
cmd=cmd,
pwd=str(out_dir),
cmd_version=YOUTUBEDL_VERSION,
output=output,
status=status,
**timer.stats,
)