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Implement --add-header without modifying std_headers

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Closes #2526, #1614
This commit is contained in:
pukkandan 2022-01-29 03:25:35 +05:30
parent e48b3875ec
commit 8b7539d27c
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10 changed files with 28 additions and 29 deletions
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5
README.md
View file

@ -737,9 +737,6 @@ ## Workarounds:
--prefer-insecure Use an unencrypted connection to retrieve
information about the video (Currently
supported only for YouTube)
--user-agent UA Specify a custom user agent
--referer URL Specify a custom referer, use if the video
access is restricted to one domain
--add-header FIELD:VALUE Specify a custom HTTP header and its value,
separated by a colon ":". You can use this
option multiple times
@ -1866,6 +1863,8 @@ #### Redundant options
--reject-title REGEX --match-filter "title !~= (?i)REGEX"
--min-views COUNT --match-filter "view_count >=? COUNT"
--max-views COUNT --match-filter "view_count <=? COUNT"
--user-agent UA --add-header "User-Agent:UA"
--referer URL --add-header "Referer:URL"
#### Not recommended

8
yt_dlp/YoutubeDL.py
View file

@ -83,6 +83,7 @@
make_dir,
make_HTTPS_handler,
MaxDownloadsReached,
merge_headers,
network_exceptions,
number_of_digits,
orderedSet,
@ -332,6 +333,7 @@ class YoutubeDL(object):
nocheckcertificate: Do not verify SSL certificates
prefer_insecure: Use HTTP instead of HTTPS to retrieve information.
At the moment, this is only supported by YouTube.
http_headers: A dictionary of custom headers to be used for all requests
proxy: URL of the proxy server to use
geo_verification_proxy: URL of the proxy to use for IP address verification
on geo-restricted sites.
@ -647,6 +649,9 @@ def check_deprecated(param, option, suggestion):
else self.params['format'] if callable(self.params['format'])
else self.build_format_selector(self.params['format']))
# Set http_headers defaults according to std_headers
self.params['http_headers'] = merge_headers(std_headers, self.params.get('http_headers', {}))
self._setup_opener()
if auto_init:
@ -2250,8 +2255,7 @@ def restore_last_token(self):
return _build_selector_function(parsed_selector)
def _calc_headers(self, info_dict):
res = std_headers.copy()
res.update(info_dict.get('http_headers') or {})
res = merge_headers(self.params['http_headers'], info_dict.get('http_headers') or {})
cookies = self._calc_cookies(info_dict)
if cookies:

15
yt_dlp/__init__.py
View file

@ -41,6 +41,7 @@
SameFileError,
setproctitle,
std_headers,
traverse_obj,
write_string,
)
from .update import run_update
@ -75,20 +76,15 @@ def _real_main(argv=None):
parser, opts, args = parseOpts(argv)
warnings, deprecation_warnings = [], []
# Set user agent
if opts.user_agent is not None:
std_headers['User-Agent'] = opts.user_agent
# Set referer
opts.headers.setdefault('User-Agent', opts.user_agent)
if opts.referer is not None:
std_headers['Referer'] = opts.referer
# Custom HTTP headers
std_headers.update(opts.headers)
opts.headers.setdefault('Referer', opts.referer)
# Dump user agent
if opts.dump_user_agent:
write_string(std_headers['User-Agent'] + '\n', out=sys.stdout)
ua = traverse_obj(opts.headers, 'User-Agent', casesense=False, default=std_headers['User-Agent'])
write_string(f'{ua}\n', out=sys.stdout)
sys.exit(0)
# Batch file verification
@ -767,6 +763,7 @@ def report_deprecation(val, old, new=None):
'legacyserverconnect': opts.legacy_server_connect,
'nocheckcertificate': opts.no_check_certificate,
'prefer_insecure': opts.prefer_insecure,
'http_headers': opts.headers,
'proxy': opts.proxy,
'socket_timeout': opts.socket_timeout,
'bidi_workaround': opts.bidi_workaround,

3
yt_dlp/extractor/instagram.py
View file

@ -17,7 +17,6 @@
get_element_by_attribute,
int_or_none,
lowercase_escape,
std_headers,
str_or_none,
str_to_int,
traverse_obj,
@ -503,7 +502,7 @@ def _extract_graphql(self, data, url):
'%s' % rhx_gis,
'',
'%s:%s' % (rhx_gis, csrf_token),
'%s:%s:%s' % (rhx_gis, csrf_token, std_headers['User-Agent']),
'%s:%s:%s' % (rhx_gis, csrf_token, self.get_param('http_headers')['User-Agent']),
]
# try all of the ways to generate a GIS query, and not only use the

3
yt_dlp/extractor/mildom.py
View file

@ -8,7 +8,6 @@
from .common import InfoExtractor
from ..utils import (
std_headers,
update_url_query,
random_uuidv4,
try_get,
@ -70,7 +69,7 @@ def _fetch_dispatcher_config(self):
'clu': '',
'wh': '1919*810',
'rtm': self.iso_timestamp(),
'ua': std_headers['User-Agent'],
'ua': self.get_param('http_headers')['User-Agent'],
}).encode('utf8')).decode('utf8').replace('\n', ''),
}).encode('utf8'))
self._DISPATCHER_CONFIG = self._parse_json(base64.b64decode(tmp['data']), 'initialization')

3
yt_dlp/extractor/openload.py
View file

@ -16,7 +16,6 @@
ExtractorError,
get_exe_version,
is_outdated_version,
std_headers,
Popen,
)
@ -208,7 +207,7 @@ def get(self, url, html=None, video_id=None, note=None, note2='Executing JS on w
replaces = self.options
replaces['url'] = url
user_agent = headers.get('User-Agent') or std_headers['User-Agent']
user_agent = headers.get('User-Agent') or self.get_param('http_headers')['User-Agent']
replaces['ua'] = user_agent.replace('"', '\\"')
replaces['jscode'] = jscode

3
yt_dlp/extractor/rtve.py
View file

@ -17,7 +17,6 @@
qualities,
remove_end,
remove_start,
std_headers,
try_get,
)
@ -71,7 +70,7 @@ class RTVEALaCartaIE(InfoExtractor):
}]
def _real_initialize(self):
user_agent_b64 = base64.b64encode(std_headers['User-Agent'].encode('utf-8')).decode('utf-8')
user_agent_b64 = base64.b64encode(self.get_param('http_headers')['User-Agent'].encode('utf-8')).decode('utf-8')
self._manager = self._download_json(
'http://www.rtve.es/odin/loki/' + user_agent_b64,
None, 'Fetching manager info')['manager']

3
yt_dlp/extractor/vimeo.py
View file

@ -28,7 +28,6 @@
parse_qs,
sanitized_Request,
smuggle_url,
std_headers,
str_or_none,
try_get,
unified_timestamp,
@ -758,7 +757,7 @@ def _try_album_password(self, url):
def _real_extract(self, url):
url, data = unsmuggle_url(url, {})
headers = std_headers.copy()
headers = self.get_param('http_headers').copy()
if 'http_headers' in data:
headers.update(data['http_headers'])
if 'Referer' not in headers:

7
yt_dlp/options.py
View file

@ -860,17 +860,16 @@ def _dict_from_options_callback(
workarounds.add_option(
'--user-agent',
metavar='UA', dest='user_agent',
help='Specify a custom user agent')
help=optparse.SUPPRESS_HELP)
workarounds.add_option(
'--referer',
metavar='URL', dest='referer', default=None,
help='Specify a custom referer, use if the video access is restricted to one domain',
)
help=optparse.SUPPRESS_HELP)
workarounds.add_option(
'--add-header',
metavar='FIELD:VALUE', dest='headers', default={}, type='str',
action='callback', callback=_dict_from_options_callback,
callback_kwargs={'multiple_keys': False, 'process_key': None},
callback_kwargs={'multiple_keys': False},
help='Specify a custom HTTP header and its value, separated by a colon ":". You can use this option multiple times',
)
workarounds.add_option(

7
yt_dlp/utils.py
View file

@ -1372,7 +1372,7 @@ def http_request(self, req):
if url != url_escaped:
req = update_Request(req, url=url_escaped)
for h, v in std_headers.items():
for h, v in self._params.get('http_headers', std_headers).items():
# Capitalize is needed because of Python bug 2275: http://bugs.python.org/issue2275
# The dict keys are capitalized because of this bug by urllib
if h.capitalize() not in req.headers:
@ -5436,3 +5436,8 @@ def _cancel_all_tasks(loop):
has_websockets = bool(compat_websockets)
def merge_headers(*dicts):
"""Merge dicts of network headers case insensitively, prioritizing the latter ones"""
return {k.capitalize(): v for k, v in itertools.chain.from_iterable(map(dict.items, dicts))}