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can_render mechanism for register_output_renderer, closes #770

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This commit is contained in:
Simon Willison 2020-05-27 22:57:05 -07:00
commit 5ab411c733
6 changed files with 108 additions and 18 deletions
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26
tests/plugins/register_output_renderer.py
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@ -2,6 +2,26 @@ from datasette import hookimpl
import json
async def can_render(
datasette, columns, rows, sql, query_name, database, table, request, view_name
):
# We stash this on datasette so the calling unit test can see it
datasette._can_render_saw = {
"datasette": datasette,
"columns": columns,
"rows": rows,
"sql": sql,
"query_name": query_name,
"database": database,
"table": table,
"request": request,
"view_name": view_name,
}
if request.args.get("_no_can_render"):
return False
return True
async def render_test_all_parameters(
datasette, columns, rows, sql, query_name, database, table, request, view_name, data
):
@ -39,6 +59,10 @@ def render_test_no_parameters():
@hookimpl
def register_output_renderer(datasette):
return [
{"extension": "testall", "render": render_test_all_parameters},
{
"extension": "testall",
"render": render_test_all_parameters,
"can_render": can_render,
},
{"extension": "testnone", "callback": render_test_no_parameters},
]