f110830c472eb451d77b48fa9337bd5feee55952
[youtube-dl] / youtube_dl / downloader / __init__.py
1 from __future__ import unicode_literals
2
3 from .common import FileDownloader
4 from .external import get_external_downloader
5 from .f4m import F4mFD
6 from .hls import HlsFD
7 from .hls import NativeHlsFD
8 from .http import HttpFD
9 from .rtsp import RtspFD
10 from .rtmp import RtmpFD
11
12 from ..utils import (
13     determine_protocol,
14 )
15
16 PROTOCOL_MAP = {
17     'rtmp': RtmpFD,
18     'm3u8_native': NativeHlsFD,
19     'm3u8': HlsFD,
20     'mms': RtspFD,
21     'rtsp': RtspFD,
22     'f4m': F4mFD,
23 }
24
25
26 def get_suitable_downloader(info_dict, params={}):
27     """Get the downloader class that can handle the info dict."""
28     protocol = determine_protocol(info_dict)
29     info_dict['protocol'] = protocol
30
31     external_downloader = params.get('external_downloader')
32     if external_downloader is not None:
33         ed = get_external_downloader(external_downloader)
34         if ed.supports(info_dict):
35             return ed
36
37     if protocol == 'm3u8' and params.get('hls_prefer_native'):
38         return NativeHlsFD
39
40     return PROTOCOL_MAP.get(protocol, HttpFD)
41
42
43 __all__ = [
44     'get_suitable_downloader',
45     'FileDownloader',
46 ]