bpo-45562: Ensure all tokenizer debug messages are printed to stderr (GH-29270)

miss-islington · pablogsal · web-flow · commit d8ca47c943c4 · 2021-10-29T10:21:15.000-07:00
(cherry picked from commit cdc7a58) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
@@ -1047,7 +1047,7 @@ tok_nextc(struct tok_state *tok)
 #if defined(Py_DEBUG)
         if (Py_DebugFlag) {
             fprintf(stderr, "line[%d] = ", tok->lineno);
-            print_escape(stdout, tok->cur, tok->inp - tok->cur);
+            print_escape(stderr, tok->cur, tok->inp - tok->cur);
             fprintf(stderr, "  tok->done = %d\n", tok->done);
         }
 #endif

Original file line number	Diff line number	Diff line change
`@@ -1047,7 +1047,7 @@ tok_nextc(struct tok_state *tok)`
`1047`	`1047`	`#if defined(Py_DEBUG)`
`1048`	`1048`	`if (Py_DebugFlag) {`
`1049`	`1049`	`fprintf(stderr, "line[%d] = ", tok->lineno);`
`1050`		`- print_escape(stdout, tok->cur, tok->inp - tok->cur);`
	`1050`	`+ print_escape(stderr, tok->cur, tok->inp - tok->cur);`
`1051`	`1051`	`fprintf(stderr, " tok->done = %d\n", tok->done);`
`1052`	`1052`	`}`
`1053`	`1053`	`#endif`