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Allow extractors to designate formats/subtitles for impersonation (#13778)

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Authored by: bashonly
This commit is contained in:
bashonly
2025-07-20 18:05:43 -05:00
committed by GitHub
parent f9dff95cb1
commit 32809eb2da
4 changed files with 54 additions and 20 deletions
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30
yt_dlp/extractor/common.py
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@@ -38,7 +38,6 @@ from ..networking.exceptions import (
TransportError,
network_exceptions,
)
from ..networking.impersonate import ImpersonateTarget
from ..utils import (
IDENTITY,
JSON_LD_RE,
@@ -259,6 +258,11 @@ class InfoExtractor:
* key The key (as hex) used to decrypt fragments.
If `key` is given, any key URI will be ignored
* iv The IV (as hex) used to decrypt fragments
* impersonate Impersonate target(s). Can be any of the following entities:
* an instance of yt_dlp.networking.impersonate.ImpersonateTarget
* a string in the format of CLIENT[:OS]
* a list or a tuple of CLIENT[:OS] strings or ImpersonateTarget instances
* a boolean value; True means any impersonate target is sufficient
* downloader_options A dictionary of downloader options
(For internal use only)
* http_chunk_size Chunk size for HTTP downloads
@@ -336,6 +340,7 @@ class InfoExtractor:
* "name": Name or description of the subtitles
* "http_headers": A dictionary of additional HTTP headers
to add to the request.
* "impersonate": Impersonate target(s); same as the "formats" field
"ext" will be calculated from URL if missing
automatic_captions: Like 'subtitles'; contains automatically generated
captions instead of normal subtitles
@@ -884,26 +889,17 @@ class InfoExtractor:
extensions = {}
if impersonate in (True, ''):
impersonate = ImpersonateTarget()
requested_targets = [
t if isinstance(t, ImpersonateTarget) else ImpersonateTarget.from_str(t)
for t in variadic(impersonate)
] if impersonate else []
available_target = next(filter(self._downloader._impersonate_target_available, requested_targets), None)
available_target, requested_targets = self._downloader._parse_impersonate_targets(impersonate)
if available_target:
extensions['impersonate'] = available_target
elif requested_targets:
message = 'The extractor is attempting impersonation, but '
message += (
'no impersonate target is available' if not str(impersonate)
else f'none of these impersonate targets are available: "{", ".join(map(str, requested_targets))}"')
info_msg = ('see https://github.com/yt-dlp/yt-dlp#impersonation '
'for information on installing the required dependencies')
msg = 'The extractor is attempting impersonation'
if require_impersonation:
raise ExtractorError(f'{message}; {info_msg}', expected=True)
self.report_warning(f'{message}; if you encounter errors, then {info_msg}', only_once=True)
raise ExtractorError(
self._downloader._unavailable_targets_message(requested_targets, note=msg, is_error=True),
expected=True)
self.report_warning(
self._downloader._unavailable_targets_message(requested_targets, note=msg), only_once=True)
try:
return self._downloader.urlopen(self._create_request(url_or_request, data, headers, query, extensions))