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render_cell(value) plugin hook, closes #352

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New plugin hook for customizing the way cells values are rendered in HTML.

The first full example of this hook in use is https://github.com/simonw/datasette-json-html
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Simon Willison 2018-08-04 17:14:56 -07:00 • committed by GitHub
commit 4ac9132240
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10 changed files with 150 additions and 30 deletions
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20
datasette/views/base.py
View file

@ -13,6 +13,7 @@ from sanic.exceptions import NotFound
from sanic.views import HTTPMethodView
from datasette import __version__
from datasette.plugins import pm
from datasette.utils import (
CustomJSONEncoder,
InterruptedError,
@ -493,14 +494,19 @@ class BaseView(RenderMixin):
display_row = []
for value in row:
display_value = value
if value in ("", None):
display_value = jinja2.Markup(" ")
elif is_url(str(value).strip()):
display_value = jinja2.Markup(
'<a href="{url}">{url}</a>'.format(
url=jinja2.escape(value.strip())
# Let the plugins have a go
plugin_value = pm.hook.render_cell(value=value)
if plugin_value is not None:
display_value = plugin_value
else:
if value in ("", None):
display_value = jinja2.Markup("&nbsp;")
elif is_url(str(display_value).strip()):
display_value = jinja2.Markup(
'<a href="{url}">{url}</a>'.format(
url=jinja2.escape(value.strip())
)
)
)
display_row.append(display_value)
display_rows.append(display_row)
return {