Rather than only checking for an available update on app init, the check
for updates now performs the check once every 24 hours on the first
request sent after that period.
This also now catches the requests.exceptions.ConnectionError that is
thrown if the app is initialized without an active internet connection.
Fixes#649
* Integrate Farside into Whoogle
When instances are ratelimited (when a captcha is returned instead of
the user's search results) the user can now hop to a new instance via
Farside, a new backend service that redirects users to working instances
of a particular frontend. In this case, it presents a user with a
Farside link to a new Whoogle (or Searx) instance instead, so that the
user can resume their search.
For the generated Farside->Whoogle link, the generated link includes the
user's current Whoogle configuration settings as URL params, to ensure a
more seamless transition between instances. This doesn't translate to
the Farside->Searx link, but potentially could with some changes.
* Expand conversion of config<->url params
Config settings can now be translated to and from URL params using a
predetermined set of "safe" keys (i.e. config settings that easily
translate to URL params).
* Allow jumping instances via Farside when ratelimited
When instances are ratelimited (when a captcha is returned instead of
the user's search results) the user can now hop to a new instance via
Farside, a new backend service that redirects users to working instances
of a particular frontend. In this case, it presents a user with a
Farside link to a new Whoogle (or Searx) instance instead, so that the
user can resume their search.
For the generated Farside->Whoogle link, the generated link includes the
user's current Whoogle configuration settings as URL params, to ensure a
more seamless transition between instances. This doesn't translate to
the Farside->Searx link, but potentially could with some changes.
Closes#554Closes#559
This checks the latest released version of Whoogle against
the current app version, and shows an "update available"
message if the current version num < latest release num.
Closes#305