issue_comments

I got this far: ```diff diff --git a/datasette/handle_exception.py b/datasette/handle_exception.py index 8b7e83e3..31d41e00 100644 --- a/datasette/handle_exception.py +++ b/datasette/handle_exception.py @@ -54,7 +54,17 @@ def handle_exception(datasette, request, exception): headers = {} if datasette.cors: add_cors_headers(headers) - if request.path.split("?")[0].endswith(".json"): + # Return JSON error under certain conditions + should_return_json = ( + # URL ends in .json + request.path.split("?")[0].endswith(".json") + or + # Hints from incoming request headers + request.headers.get("content-type") == "application/json" + or "application/json" in request.headers.get("accept", "") + ) + breakpoint() + if should_return_json: return Response.json(info, status=status, headers=headers) else: template = datasette.jinja_env.select_template(templates) diff --git a/tests/test_api_write.py b/tests/test_api_write.py index f27d143f..982543a6 100644 --- a/tests/test_api_write.py +++ b/tests/test_api_write.py @@ -1140,6 +1140,38 @@ async def test_create_table_permissions( assert data["errors"] == expected_errors

+@pytest.mark.asyncio +@pytest.mark.parametrize( + "headers,expect_json", + ( + ({}, False), + ({"Accept": "text/html"}, True), + ({"Accept": "application/json"}, True), + ({"Content-Type": "application/json"}, True), + ({"Accept": "application/json, text/plain, /"}, True), + ({"Content-Type": "application/json"}, True), + ({"accept": "application/json, text/plain, /"}, True), + ({"content-type": "application/json"}, True), + ), +) +async def test_permission_errors_html_and_json(ds_write, headers, expect_json): + request_headers = {"Authorization": "Bearer bad_token"} + request_headers.update(headers) + response = await ds_write.client.post( + "/data/-/create", + json={}, + headers=request_headers, + ) + assert response.status_code == 403 + if expect_json: + data = response.json() + assert data["ok"] is False + assert data["errors"] == ["Permission denied"] + else: + assert response.headers["Content-Type"] == "text/html; charset=utf-8" + assert "Permission denied" in response.text + + @pytest.mark.asyncio @pytest.mark.parametrize( "input,expected_rows_after", ``` Then decided I would punt this until the next milestone.

I fixed this issue to help research this further: - https://github.com/simonw/datasette-ripgrep/issues/26

Now this search works:

https://ripgrep.datasette.io/-/ripgrep?pattern=return+_error&literal=on&glob=datasette%2F**

I wish I had this feature! - https://github.com/simonw/datasette-ripgrep/issues/24

Looks like I have both _error() and _errors() functions in there!