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Add cache-busted static asset helper (#2804)

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* Add cache-busted static asset helper

Add a static() helper for Datasette, plugin, and mounted static assets that appends content-based hashes, caches hashes in production, and serves matching hashed asset URLs with immutable far-future cache headers.

Closes #2800
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Simon Willison 2026-06-23 13:44:58 -07:00 • committed by GitHub
commit 5eca46a4bc
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25 changed files with 361 additions and 65 deletions
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7
tests/test_utils.py
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@ -11,6 +11,7 @@ from datasette.utils.sqlite import (
sqlite_table_type,
supports_returning,
)
import hashlib
import json
import os
import pathlib
@ -835,6 +836,12 @@ def test_pairs_to_nested_config(pairs, expected):
assert actual == expected
def test_sha256_file(tmp_path):
path = tmp_path / "test.txt"
path.write_text("hello")
assert utils.sha256_file(path, chunk_size=2) == hashlib.sha256(b"hello").hexdigest()
@pytest.mark.asyncio
async def test_calculate_etag(tmp_path):
path = tmp_path / "test.txt"