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Do not load system certificates when certifi is used

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This causes `CERTIFICATE_VERIFY_FAILED` if there is an
expired/bad certificate in the system store

Partially reverts 8a82af3511

Related: #4145
This commit is contained in:
pukkandan 2022-06-23 07:56:29 +05:30
parent a3976e0760
commit 168bbc4f38
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2 changed files with 14 additions and 13 deletions
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4
README.md
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@ -146,8 +146,8 @@ Some of yt-dlp's default options are different from that of youtube-dl and youtu
* Thumbnail embedding in `mp4` is done with mutagen if possible. Use `--compat-options embed-thumbnail-atomicparsley` to force the use of AtomicParsley instead
* Some private fields such as filenames are removed by default from the infojson. Use `--no-clean-infojson` or `--compat-options no-clean-infojson` to revert this
* When `--embed-subs` and `--write-subs` are used together, the subtitles are written to disk and also embedded in the media file. You can use just `--embed-subs` to embed the subs and automatically delete the separate file. See [#630 (comment)](https://github.com/yt-dlp/yt-dlp/issues/630#issuecomment-893659460) for more info. `--compat-options no-keep-subs` can be used to revert this
* `certifi` will be used for SSL root certificates, if installed. If you want to use only system certificates, use `--compat-options no-certifi`
* youtube-dl tries to remove some superfluous punctuations from filenames. While this can sometimes be helpful, it is often undesirable. So yt-dlp tries to keep the fields in the filenames as close to their original values as possible. You can use `--compat-options filename-sanitization` to revert to youtube-dl's behavior
* `certifi` will be used for SSL root certificates, if installed. If you want to use system certificates (e.g. self-signed), use `--compat-options no-certifi`
* youtube-dl tries to remove some superfluous punctuations from filenames. While this can sometimes be helpfull, it is often undesirable. So yt-dlp tries to keep the fields in the filenames as close to their original values as possible. You can use `--compat-options filename-sanitization` to revert to youtube-dl's behavior
For ease of use, a few more compat options are available:

23
yt_dlp/utils.py
View file

@ -950,17 +950,18 @@ def make_HTTPS_handler(params, **kwargs):
if opts_check_certificate:
if has_certifi and 'no-certifi' not in params.get('compat_opts', []):
context.load_verify_locations(cafile=certifi.where())
try:
context.load_default_certs()
# Work around the issue in load_default_certs when there are bad certificates. See:
# https://github.com/yt-dlp/yt-dlp/issues/1060,
# https://bugs.python.org/issue35665, https://bugs.python.org/issue45312
except ssl.SSLError:
# enum_certificates is not present in mingw python. See https://github.com/yt-dlp/yt-dlp/issues/1151
if sys.platform == 'win32' and hasattr(ssl, 'enum_certificates'):
for storename in ('CA', 'ROOT'):
_ssl_load_windows_store_certs(context, storename)
context.set_default_verify_paths()
else:
try:
context.load_default_certs()
# Work around the issue in load_default_certs when there are bad certificates. See:
# https://github.com/yt-dlp/yt-dlp/issues/1060,
# https://bugs.python.org/issue35665, https://bugs.python.org/issue45312
except ssl.SSLError:
# enum_certificates is not present in mingw python. See https://github.com/yt-dlp/yt-dlp/issues/1151
if sys.platform == 'win32' and hasattr(ssl, 'enum_certificates'):
for storename in ('CA', 'ROOT'):
_ssl_load_windows_store_certs(context, storename)
context.set_default_verify_paths()
client_certfile = params.get('client_certificate')
if client_certfile: