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bpo-41006: Remove init_sys_streams() hack (GH-20954) 

The encodings.latin_1 module is no longer imported at startup. Now it
is only imported when it is the filesystem encoding or the stdio encoding.
This commit is contained in:
Victor Stinner 2020-06-18 01:11:46 +02:00 committed by GitHub
parent 4c18fc8f1d
commit 1bf7959dce
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 2 additions and 13 deletions
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2
Misc/NEWS.d/next/Core and Builtins/2020-06-18-00-07-09.bpo-41006.H-wN-d.rst Normal file
View File

@ -0,0 +1,2 @@
The ``encodings.latin_1`` module is no longer imported at startup. Now it is
only imported when it is the filesystem encoding or the stdio encoding.

13
Python/pylifecycle.c
View File

@ -1939,7 +1939,6 @@ static PyStatus
init_sys_streams(PyThreadState *tstate)
{
PyObject *iomod = NULL;
PyObject *m;
PyObject *std = NULL;
int fd;
PyObject * encoding_attr;
@ -1959,18 +1958,6 @@ init_sys_streams(PyThreadState *tstate)
}
#endif
/* Hack to avoid a nasty recursion issue when Python is invoked
in verbose mode: pre-import the Latin-1 and UTF-8 codecs */
if ((m = PyImport_ImportModule("encodings.utf_8")) == NULL) {
goto error;
}
Py_DECREF(m);
if (!(m = PyImport_ImportModule("encodings.latin_1"))) {
goto error;
}
Py_DECREF(m);
if (!(iomod = PyImport_ImportModule("io"))) {
goto error;
}