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d1dbb40362Tools for profiling Datasette's request/response cycle in-process with Python 3.15's profiling.sampling, plus the patches proposed by the study (one per optimisation, and ALL-combined.diff). The patches are not applied to the code. A report with measurements follows. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01F8mEgRS8swZfYqwqrVMeo5
14 lines
550 B
Diff
14 lines
550 B
Diff
diff --git a/datasette/views/base.py b/datasette/views/base.py
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index 7262edb..f2d63aa 100644
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--- a/datasette/views/base.py
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+++ b/datasette/views/base.py
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@@ -335,4 +335,9 @@ async def stream_csv(datasette, fetch_data, request, database):
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)
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headers["content-disposition"] = disposition
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+ if request.method == "HEAD":
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+ # A HEAD response has no body, so don't generate (and paginate) the CSV
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+ async def stream_fn(r):
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+ pass
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+
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return AsgiStream(stream_fn, headers=headers, content_type=content_type)
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