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authorMartin v. Löwis <martin@v.loewis.de>2005-01-27 18:56:16 (GMT)
committerMartin v. Löwis <martin@v.loewis.de>2005-01-27 18:56:16 (GMT)
commit13a1fde4da63c92fdb86b6bcf4d2d21928c80bc8 (patch)
treede4623a84142b573fb538248ca50b7d75d9c0f07 /Python/sysmodule.c
parentbc029af436f90723e5b5bda4b9842d19153fe0a3 (diff)
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Partially revert #1074011; don't try to fflush stdin.
Backported to 2.3 and 2.4.
Diffstat (limited to 'Python/sysmodule.c')
-rw-r--r--Python/sysmodule.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 3045c46..dc46697 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -947,7 +947,16 @@ _PySys_Init(void)
m = Py_InitModule3("sys", sys_methods, sys_doc);
sysdict = PyModule_GetDict(m);
- sysin = PyFile_FromFile(stdin, "<stdin>", "r", _check_and_flush);
+ /* Closing the standard FILE* if sys.std* goes aways causes problems
+ * for embedded Python usages. Closing them when somebody explicitly
+ * invokes .close() might be possible, but the FAQ promises they get
+ * never closed. However, we still need to get write errors when
+ * writing fails (e.g. because stdout is redirected), so we flush the
+ * streams and check for errors before the file objects are deleted.
+ * On OS X, fflush()ing stdin causes an error, so we exempt stdin
+ * from that procedure.
+ */
+ sysin = PyFile_FromFile(stdin, "<stdin>", "r", NULL);
sysout = PyFile_FromFile(stdout, "<stdout>", "w", _check_and_flush);
syserr = PyFile_FromFile(stderr, "<stderr>", "w", _check_and_flush);
if (PyErr_Occurred())