Brilliant, thanks very much Marko!
Joe
On 11 October 2017 at 14:19, Marko Obrovac <mobrovac(a)wikimedia.org>
wrote:
Hello Joe,
On 11 October 2017 at 14:27, Joe Wass <jwass(a)crossref.org> wrote:
Hi there,
I hope this is the right list for a RESTBase query? Let me know if this
is the wrong list, or I should head over to Phabricator.
I'm visiting a large number of Wikipedia pages' specific versions (for
the Crossref Event Data service, if you're interested -
https://www.eventdata.crossref.org/guide ). I'm getting page ids /
versions from EventStreams. I'm using the RESTBase API because it gives the
cleanest HTML and it was recommended to me for the volume of queries, e.g.
https://ceb.wikipedia.org/api/rest_v1/page/html/Quebrada_Fan
tasma/13659774
I want to get the *canonical URL* for that version page, e.g.
https://ceb.wikipedia.org/wiki/Quebrada_Fantasma
The 'normal' HTML view of a page supplies the canonical URL as a <link
rel="canonical"> tag, but the RESTBase response doesn't. It does supply
an
isVersionOf link though:
<link rel="dc:isVersionOf"
href="//ceb.wikipedia.org/wiki
/Quebrada_Fantasma"/>
Questions:
1 - Is the isVersionOf URL in RESTBase identical to the "official"
canonical URL that I would get from the HTML metadata (using https:)?
Yes, it is :)
2 - Is the "title" component of the RESTBase URL the same as used in
the Canonical URL? The Swagger docs say "Page title. Use underscores
instead of spaces. Example: Main_Page". I'm not clear if that is the same
thing.
Yes, that is the canonical title of the page, with the exception that
forward slashes need to be encoded when contacting the REST API, whereas
that is not needed (but allowed) for the canonical URL. So for the page
entitled "Page/SubPage", you need to provide "Page%2FSubPage" to the
REST
API. Note that you will still get the correct canonical URL in the
`dc:isVersionOf` field.
3 - Is there a general recommended way of getting the canonical URL for
a page from RESTBase?
You can either use the `dc:isVersionOf` field, or use the simple
transform: https://{{domain}}/api/rest_v1/page/html/{title} => https://
{{domain}}/wiki/{title} which is guaranteed to work.
Cheers,
Marko
Marko Obrovac, PhD
Senior Services Engineer
Wikimedia Foundation
Thanks in advance!
Joe Wass
https://en.wikipedia.org/wiki/User:Afandian
Crossref
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