8000 gh-120317: Lock around global state in the tokenize module by lysnikolaou · Pull Request #120318 · python/cpython · GitHub
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gh-120317: Lock around global state in the tokenize module #120318

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Merged
merged 13 commits into from
Jul 16, 2024
Merged

gh-120317: Lock around global state in the tokenize module #120318

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900dd6a
gh-120317: Lock around tokenizer calls in the tokenizer module
lysnikolaou Jun 10, 2024
abf568a
Use Py_BEGIN_CRITICAL_SECTION
lysnikolaou Jun 10, 2024
9dfe174
Add more locking around global tokenizer state
lysnikolaou Jun 10, 2024
5fd07b6
Add test
lysnikolaou Jun 10, 2024
814d9af
Address feedback & improve test
lysnikolaou Jun 10, 2024
c1093be
Guard atomic store behind Py_GIL_DISABLED
lysnikolaou Jun 10, 2024
117d256
Add requires working threading decorator to test
lysnikolaou Jun 10, 2024
975f01a
Merge branch 'main' into tokenize-thread-safety
lysnikolaou Jun 11, 2024
ca466fa
Lock around all of tokenizeriter_next
lysnikolaou Jun 11, 2024
3abb8ab
Merge branch 'main' into tokenize-thread-safety
lysnikolaou Jun 12, 2024
601e539
Fix formatting
lysnikolaou Jun 12, 2024
6290f19
Merge branch 'main' into tokenize-thread-safety
lysnikolaou Jul 1, 2024
0ddde2f
Change sleeping time
lysnikolaou Jul 1, 2024
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Merge branch 'main' into tokenize-thread-safety
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@lysnikolaou
lysnikolaou committed Jun 11, 2024
commit 975f01aa1a058b3583b8f579d83ca9900ada101c
5 changes: 4 additions & 1 deletion Python/Python-tokenize.c
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Original file line number Diff line number Diff line change
Expand Up @@ -189,7 +189,9 @@ _get_current_line(tokenizeriterobject *it, const char *line_start, Py_ssize_t si
Py_XDECREF(it->last_line);
line = PyUnicode_DecodeUTF8(line_start, size, "replace");
it->last_line = line;
it->byte_col_offset_diff = 0;
if (it->tok->lineno != it->last_end_lineno) {
it->byte_col_offset_diff = 0;
}
}
else {
// Line hasn't changed so we reuse the cached one.
Expand Down Expand Up @@ -226,6 +228,7 @@ _get_col_offsets(tokenizeriterobject *it, struct token token, const char *line_s
}
}
it->last_lineno = lineno;
it->last_end_lineno = end_lineno;
}

static PyObject *
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