issues: 973139047
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| id | node_id | number | title | user | state | locked | assignee | milestone | comments | created_at | updated_at | closed_at | author_association | pull_request | body | repo | type | active_lock_reason | performed_via_github_app | reactions | draft | state_reason |
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| 973139047 | MDU6SXNzdWU5NzMxMzkwNDc= | 1439 | Rethink how .ext formats (v.s. ?_format=) works before 1.0 | 9599 | closed | 0 | 3268330 | 48 | 2021-08-17T23:32:51Z | 2022-03-15T20:51:26Z | 2022-03-15T20:51:26Z | OWNER | Datasette currently has surprising special behaviour for if a table name ends in `.csv` - which can happen when a tool like `csvs-to-sqlite` creates tables that match the filename that they were imported from. https://latest.datasette.io/fixtures/table%2Fwith%2Fslashes.csv illustrates this behaviour: it links to `.csv` and `.json` that look like this: - https://latest.datasette.io/fixtures/table%2Fwith%2Fslashes.csv?_format=json - https://latest.datasette.io/fixtures/table%2Fwith%2Fslashes.csv?_format=csv&_size=max Where normally Datasette would add the `.csv` or `.json` extension to the path component of the URL (as seen on other pages such as https://latest.datasette.io/fixtures/facet_cities) here the [path_with_format() function](https://github.com/simonw/datasette/blob/adb5b70de5cec3c3dd37184defe606a082c232cf/datasette/utils/__init__.py#L710) notices that there is already a `.` in the path and instead adds `?_format=csv` to the query string instead. The problem with this mechanism is that it's pretty surprising. Anyone writing external code to Datasette who wants to get back the `.csv` or `.json` version giving the URL to a table page will need to know about and implement this behaviour themselves. That's likely to cause all kinds of bugs in the future. | 107914493 | issue | {"url": "https://api.github.com/repos/simonw/datasette/issues/1439/reactions", "total_count": 0, "+1": 0, "-1": 0, "laugh": 0, "hooray": 0, "confused": 0, "heart": 0, "rocket": 0, "eyes": 0} | completed |