def fmt_streams(self):
"""Returns a list of streams if they have been initialized.
If the streams have not been initialized, finds all relevant
streams and initializes them.
"""
self.check_availability()
if self._fmt_streams:
return self._fmt_streams
self._fmt_streams = []
# https://github.com/pytube/pytube/issues/165
stream_maps = ["url_encoded_fmt_stream_map"]
if "adaptive_fmts" in self.player_config_args:
stream_maps.append("adaptive_fmts")
# unscramble the progressive and adaptive stream manifests.
for fmt in stream_maps:
if not self.age_restricted and fmt in self.vid_info:
extract.apply_descrambler(self.vid_info, fmt)
extract.apply_descrambler(self.player_config_args, fmt)
extract.apply_signature(self.player_config_args, fmt, self.js)
# build instances of :class:`Stream <Stream>`
# Initialize stream objects
stream_manifest = self.player_config_args[fmt]
for stream in stream_manifest:
video = Stream(
stream=stream,
player_config_args=self.player_config_args,
monostate=self.stream_monostate,
)
self._fmt_streams.append(video)
self.stream_monostate.title = self.title
self.stream_monostate.duration = self.length
return self._fmt_streams
def initialize_stream_objects(self, fmt: str) -> None:
"""Convert manifest data to instances of :class:`Stream <Stream>`.
Take the unscrambled stream data and uses it to initialize
instances of :class:`Stream <Stream>` for each media stream.
:param str fmt:
Key in stream manifest (``ytplayer_config``) containing progressive
download or adaptive streams (e.g.: ``url_encoded_fmt_stream_map``
or ``adaptive_fmts``).
:rtype: None
"""
stream_manifest = self.player_config_args[fmt]
for stream in stream_manifest:
video = Stream(
stream=stream,
player_config_args=self.player_config_args,
monostate=self.stream_monostate,
)
self.fmt_streams.append(video)
def _download(stream: Stream) -> None:
print("\n{fn} | {fs} bytes".format(fn=stream.default_filename,
fs=stream.filesize))
stream.download()
sys.stdout.write("\n")
def _download(stream: Stream, target: Optional[str] = None) -> None:
filesize_megabytes = stream.filesize // 1048576
print(f"{stream.default_filename} | {filesize_megabytes} MB")
stream.download(output_path=target)
sys.stdout.write("\n")
