Python m3u8 parser.
To load a playlist into an object from uri, file path or directly from string, use the load/loads functions:
import m3u8
playlist = m3u8.load('http://videoserver.com/playlist.m3u8') # this could also be an absolute filename
print(playlist.segments)
print(playlist.target_duration)
# if you already have the content as string, use
playlist = m3u8.loads('#EXTM3U8 ... etc ... ')To dump a playlist from an object to the console or a file, use the dump/dumps functions:
import m3u8
playlist = m3u8.load('http://videoserver.com/playlist.m3u8')
print(playlist.dumps())
# if you want to write a file from its content
playlist.dump('playlist.m3u8')- #EXT-X-TARGETDURATION
- #EXT-X-MEDIA-SEQUENCE
- #EXT-X-DISCONTINUITY-SEQUENCE
- #EXT-X-PROGRAM-DATE-TIME
- #EXT-X-MEDIA
- #EXT-X-PLAYLIST-TYPE
- #EXT-X-KEY
- #EXT-X-STREAM-INF
- #EXT-X-VERSION
- #EXT-X-ALLOW-CACHE
- #EXT-X-ENDLIST
- #EXTINF
- #EXT-X-I-FRAMES-ONLY
- #EXT-X-BITRATE
- #EXT-X-BYTERANGE
- #EXT-X-I-FRAME-STREAM-INF
- #EXT-X-IMAGES-ONLY
- #EXT-X-IMAGE-STREAM-INF
- #EXT-X-TILES
- #EXT-X-DISCONTINUITY
- #EXT-X-CUE-OUT
- #EXT-X-CUE-OUT-CONT
- #EXT-X-CUE-IN
- #EXT-X-CUE-SPAN
- #EXT-OATCLS-SCTE35
- #EXT-X-INDEPENDENT-SEGMENTS
- #EXT-X-MAP
- #EXT-X-START
- #EXT-X-SERVER-CONTROL
- #EXT-X-PART-INF
- #EXT-X-PART
- #EXT-X-RENDITION-REPORT
- #EXT-X-SKIP
- #EXT-X-SESSION-DATA
- #EXT-X-PRELOAD-HINT
- #EXT-X-SESSION-KEY
- #EXT-X-DATERANGE
- #EXT-X-GAP
- #EXT-X-CONTENT-STEERING
The segments may or may not be encrypted. The keys attribute list will be a list with all the different keys as described with #EXT-X-KEY:
Each key has the next properties:
method: ex.: "AES-128"uri: the key uri, ex.: "http://videoserver.com/key.bin"iv: the initialization vector, if available. OtherwiseNone.
If no #EXT-X-KEY is found, the keys list will have a unique element None. Multiple keys are supported.
If unencrypted and encrypted segments are mixed in the M3U8 file, then the list will contain a None element, with one or more keys afterwards.
To traverse the list of keys available:
import m3u8
m3u8_obj = m3u8.loads('#EXTM3U8 ... etc ...')
len(m3u8_obj.keys) # => returns the number of keys available in the list (normally 1)
for key in m3u8_obj.keys:
if key: # First one could be None
key.uri
key.method
key.ivThere are cases where listing segments for a given key is important. It's possible to retrieve the list of segments encrypted with one key via by_key method in the segments list.
Example of getting the segments with no encryption:
import m3u8
m3u8_obj = m3u8.loads('#EXTM3U8 ... etc ...')
segmk1 = m3u8_obj.segments.by_key(None)
# Get the list of segments encrypted using last key
segm = m3u8_obj.segments.by_key( m3u8_obj.keys[-1] )With this method, is now possible also to change the key from some of the segments programmatically:
import m3u8
m3u8_obj = m3u8.loads('#EXTM3U8 ... etc ...')
# Create a new Key and replace it
new_key = m3u8.Key("AES-128", "/encrypted/newkey.bin", None, iv="0xf123ad23f22e441098aa87ee")
for segment in m3u8_obj.segments.by_key( m3u8_obj.keys[-1] ):
segment.key = new_key
# Remember to sync the key from the list as well
m3u8_obj.keys[-1] = new_keyA playlist can have a list to other playlist files, this is used to represent multiple bitrates videos, and it's called variant streams. See an example here.
variant_m3u8 = m3u8.loads('#EXTM3U8 ... contains a variant stream ...')
variant_m3u8.is_variant # in this case will be True
for playlist in variant_m3u8.playlists:
playlist.uri
playlist.stream_info.bandwidththe playlist object used in the for loop above has a few attributes:
uri: the url to the streamstream_info: aStreamInfoobject (actually a namedtuple) with all the attributes available to #EXT-X-STREAM-INFmedia: a list of relatedMediaobjects with all the attributes available to #EXT-X-MEDIAplaylist_type: the type of the playlist, which can be one of VOD (video on demand) or EVENT
NOTE: the following attributes are not implemented yet, follow issue 4 for updates
alternative_audios: its an empty list, unless it's a playlist with Alternative audio, in this case it's a list withMediaobjects with all the attributes available to #EXT-X-MEDIAalternative_videos: same asalternative_audios
A variant playlist can also have links to I-frame playlists, which are used to specify where the I-frames are in a video. See Apple's documentation on this for more information. These I-frame playlists can be accessed in a similar way to regular playlists.
variant_m3u8 = m3u8.loads('#EXTM3U ... contains a variant stream ...')
for iframe_playlist in variant_m3u8.iframe_playlists:
iframe_playlist.uri
iframe_playlist.iframe_stream_info.bandwidthThe iframe_playlist object used in the for loop above has a few attributes:
uri: the url to the I-frame playlistbase_uri: the base uri of the variant playlist (if given)iframe_stream_info: aStreamInfoobject (same as a regular playlist)
Quoting the documentation:
Lines that start with the character '#' are either comments or tags.
Tags begin with #EXT. They are case-sensitive. All other lines that
begin with '#' are comments and SHOULD be ignored.This library ignores all the non-standard tags by default. If you want them to be collected while loading the file content, you need to pass a function to the load/loads functions, following the example below:
import m3u8
def get_movie(line, lineno, data, state):
if line.startswith('#MOVIE-NAME:'):
custom_tag = line.split(':')
data['movie'] = custom_tag[1].strip()
m3u8_obj = m3u8.load('http://videoserver.com/playlist.m3u8', custom_tags_parser=get_movie)
print(m3u8_obj.data['movie']) # million dollar babyAlso you are able to override parsing of existing standard tags. To achieve this your custom_tags_parser function have to return boolean True - it will mean that you fully implement parsing of current line therefore 'main parser' can go to next line.
import re
import m3u8
from m3u8 import protocol
from m3u8.parser import save_segment_custom_value
def parse_iptv_attributes(line, lineno, data, state):
# Customize parsing #EXTINF
if line.startswith(protocol.extinf):
title = ''
chunks = line.replace(protocol.extinf + ':', '').split(',', 1)
if len(chunks) == 2:
duration_and_props, title = chunks
elif len(chunks) == 1:
duration_and_props = chunks[0]
additional_props = {}
chunks = duration_and_props.strip().split(' ', 1)
if len(chunks) == 2:
duration, raw_props = chunks
matched_props = re.finditer(r'([\w\-]+)="([^"]*)"', raw_props)
for match in matched_props:
additional_props[match.group(1)] = match.group(2)
else:
duration = duration_and_props
if 'segment' not in state:
state['segment'] = {}
state['segment']['duration'] = float(duration)
state['segment']['title'] = title
# Helper function for saving custom values
save_segment_custom_value(state, 'extinf_props', additional_props)
# Tell 'main parser' that we expect an URL on next lines
state['expect_segment'] = True
# Tell 'main parser' that it can go to next line, we've parsed current fully.
return True
if __name__ == '__main__':
PLAYLIST = """#EXTM3U
#EXTINF:-1 timeshift="0" catchup-days="7" catchup-type="flussonic" tvg-id="channel1" group-title="Group1",Channel1
http://str00.iptv.domain/7331/mpegts?token=longtokenhere
"""
parsed = m3u8.loads(PLAYLIST, custom_tags_parser=parse_iptv_attributes)
first_segment_props = parsed.segments[0].custom_parser_values['extinf_props']
print(first_segment_props['tvg-id']) # 'channel1'
print(first_segment_props['group-title']) # 'Group1'
print(first_segment_props['catchup-type']) # 'flussonic'Helper functions get_segment_custom_value() and save_segment_custom_value() are intended for getting/storing your parsed values per segment into Segment class. After that all custom values will be accessible via property custom_parser_values of Segment instance.
If you don't want to use urllib to download playlists, having more control on how objects are fetched over the internet, you can use your own client. requests is a well known Python HTTP library and it can be used with `m3u8`:
import m3u8
import requests
class RequestsClient():
def download(self, uri, timeout=None, headers={}, verify_ssl=True):
o = requests.get(uri, timeout=timeout, headers=headers)
return o.text, o.url
playlist = m3u8.load('http://videoserver.com/playlist.m3u8', http_client=RequestsClient())
print(playlist.dumps())The advantage of using a custom HTTP client is to refine SSL verification, proxies, performance, flexibility, etc.
In case you need to use a proxy but can't use a system wide proxy (HTTP/HTTPS proxy environment variables), you can pass your HTTP/HTTPS proxies as a dict to the load function.
import m3u8
proxies = {
'http': 'http://10.10.1.10:3128',
'https': 'http://10.10.1.10:1080',
}
http_client = m3u8.httpclient.DefaultHTTPClient(proxies)
playlist = m3u8.load('http://videoserver.com/playlist.m3u8', http_client=http_client) # this could also be an absolute filename
print(playlist.dumps())It works with the default client only. Custom HTTP clients must implement this feature.
$ ./runtestsAll contributions are welcome, but we will merge a pull request if, and only if, it
- has tests
- follows the code conventions
If you plan to implement a new feature or something that will take more than a few minutes, please open an issue to make sure we don't work on the same thing.
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