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Refactored alternate_url_json mechanism, refs #1620, #1533

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This commit is contained in:
Simon Willison 2022-02-02 13:32:47 -08:00
commit 8d5779acf0
10 changed files with 27 additions and 62 deletions
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17
datasette/views/base.py
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@ -55,6 +55,7 @@ class DatasetteError(Exception):
class BaseView:
ds = None
has_json_alternate = True
def __init__(self, datasette):
self.ds = datasette
@ -137,10 +138,20 @@ class BaseView:
],
},
}
# Hacky cheat to add extra headers
headers = {}
if "_extra_headers" in context:
headers.update(context["_extra_headers"])
if self.has_json_alternate:
alternate_url_json = self.ds.absolute_url(
request,
self.ds.urls.path(path_with_format(request=request, format="json")),
)
template_context["alternate_url_json"] = alternate_url_json
headers.update(
{
"Link": '{}; rel="alternate"; type="application/json+datasette"'.format(
alternate_url_json
)
}
)
return Response.html(
await self.ds.render_template(
template,