I can't set `default_doi_resolver` in `settings.yml` if I'm using
`use_default_settings`. Searx seems to try to interpret all settings at root
level in `settings.yml` as dict, which is correct except for
`default_doi_resolver` which is at root level and a string::
File "/usr/lib/python3.9/site-packages/searx/settings_loader.py", line 125, in load_settings
update_settings(default_settings, user_settings)
File "/usr/lib/python3.9/site-packages/searx/settings_loader.py", line 61, in update_settings
update_dict(default_settings[k], v)
File "/usr/lib/python3.9/site-packages/searx/settings_loader.py", line 48, in update_dict
for k, v in user_dict.items():
AttributeError: 'str' object has no attribute 'items'
Signed-off-by: Markus Heiser <markus@darmarit.de>
Suggested-by: @0xhtml https://github.com/searx/searx/issues/2722#issuecomment-813391659
Instead of a hard-coded `oadoi.org` default, use the default value from
`settings.yml`.
Fix an issue in the themes: The replacement 'current_doi_resolver' contains the
doi_resolver_url, not the name of the DOI resolver. Compare return value of::
searx.plugins.oa_doi_rewrite.get_doi_resolver(...)
Fix a typo in `get_doi_resolver(..)`: suggested by @kvch:
*L32 should set doi_resolver not doi_resolvers*
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>