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from __future__ import unicode_literals
from .common import FileDownloader
from .external import get_external_downloader
from .f4m import F4mFD
from .hls import HlsFD
from .hls import NativeHlsFD
from .http import HttpFD
from .rtsp import RtspFD
from .rtmp import RtmpFD
from .dash import DashSegmentsFD
from ..utils import (
determine_protocol,
)
PROTOCOL_MAP = {
'rtmp': RtmpFD,
'm3u8_native': NativeHlsFD,
'm3u8': HlsFD,
'mms': RtspFD,
'rtsp': RtspFD,
'f4m': F4mFD,
'dash_segments': DashSegmentsFD,
}
def get_suitable_downloader(info_dict, params={}):
"""Get the downloader class that can handle the info dict."""
protocol = determine_protocol(info_dict)
info_dict['protocol'] = protocol
external_downloader = params.get('external_downloader')
if external_downloader is not None:
ed = get_external_downloader(external_downloader)
if ed.supports(info_dict):
return ed
if protocol == 'm3u8' and params.get('hls_prefer_native'):
return NativeHlsFD
return PROTOCOL_MAP.get(protocol, HttpFD)
__all__ = [
'get_suitable_downloader',
'FileDownloader',
]
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