[3.14] gh-119452: Block until data is read #142176
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!buildbot AMD64 Windows11 Non-Debug |
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🤖 New build scheduled with the buildbot fleet by @hugovk for commit 56a1e65 🤖 Results will be shown at: https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F142176%2Fmerge The command will test the builders whose names match following regular expression: The builders matched are:
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encukou
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Dec 2, 2025
| cursize = 0 | ||
| data = self.rfile.read(min(nbytes, _MIN_READ_BUF_SIZE)) | ||
| while (len(data) < nbytes and len(data) != cursize and | ||
| select.select([self.rfile._sock], [], [], 0)[0]): |
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According to the current docs this should be omitted.
It might be better to document what None does: #142177
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Windows builds are timing out on GitHub Actions: https://github.com/python/cpython/actions/runs/19851448458/job/56879004094?pr=142176 |
encukou
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Dec 2, 2025
This reads/writes data as available, making the CGI application responsible for managing any timeouts when receiving data from clients. Data is read in chunks of bounded size, and passed on immediately (except stderr, which is combined into a single message as before). This does need 3 threads. (As does process.communicate.)
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Possible fix for #119455 (comment), see also #119455 (review).