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raise_404() function for use in custom templates, closes #964

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This commit is contained in:
Simon Willison 2020-09-14 10:39:13 -07:00
commit 699be7dea9
3 changed files with 97 additions and 27 deletions
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24
datasette/app.py
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@ -1053,19 +1053,27 @@ class DatasetteRouter:
headers["Location"] = location
return ""
def raise_404(message=""):
raise NotFoundExplicit(message)
context.update(
{
"custom_header": custom_header,
"custom_status": custom_status,
"custom_redirect": custom_redirect,
"raise_404": raise_404,
}
)
body = await self.ds.render_template(
template,
context,
request=request,
view_name="page",
)
try:
body = await self.ds.render_template(
template,
context,
request=request,
view_name="page",
)
except NotFoundExplicit as e:
await self.handle_500(request, send, e)
return
# Pull content-type out into separate parameter
content_type = "text/html; charset=utf-8"
matches = [k for k in headers if k.lower() == "content-type"]
@ -1199,3 +1207,7 @@ def route_pattern_from_filepath(filepath):
else:
re_bits.append(re.escape(bit))
return re.compile("".join(re_bits))
class NotFoundExplicit(NotFound):
pass