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bpo-45562: Print tokenizer debug messages to stderr (GH-29250) · python/cpython@10bbd41

@@ -1047,9 +1047,9 @@ tok_nextc(struct tok_state *tok)

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}

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#if defined(Py_DEBUG)

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if (Py_DebugFlag) {

1050-

printf("line[%d] = ", tok->lineno);

1050+

fprintf(stderr, "line[%d] = ", tok->lineno);

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print_escape(stdout, tok->cur, tok->inp - tok->cur);

1052-

printf(" tok->done = %d\n", tok->done);

1052+

fprintf(stderr, " tok->done = %d\n", tok->done);

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}

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#endif

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if (!rc) {

@@ -2127,8 +2127,8 @@ _PyTokenizer_FindEncodingFilename(int fd, PyObject *filename)

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void

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tok_dump(int type, char *start, char *end)

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{

2130-

printf("%s", _PyParser_TokenNames[type]);

2130+

fprintf(stderr, "%s", _PyParser_TokenNames[type]);

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if (type == NAME || type == NUMBER || type == STRING || type == OP)

2132-

printf("(%.*s)", (int)(end - start), start);

2132+

fprintf(stderr, "(%.*s)", (int)(end - start), start);

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}

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#endif // Py_DEBUG