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bpo-40834: Fix truncate when sending str object with channel (GH-20555) 

(cherry picked from commit 29c117202e)

Co-authored-by: An Long <aisk@users.noreply.github.com>
This commit is contained in:
Miss Islington (bot) 2020-06-13 05:44:50 -07:00 committed by GitHub
parent 7e57c367d6
commit 26db10a431
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3 changed files with 5 additions and 1 deletions
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3
Lib/test/test__xxsubinterpreters.py
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@ -392,6 +392,9 @@ class ShareableTypeTests(unittest.TestCase):
self._assert_values(i.to_bytes(2, 'little', signed=True)
for i in range(-1, 258))
def test_strs(self):
self._assert_values(['hello world', '你好世界', ''])
def test_int(self):
self._assert_values(itertools.chain(range(-1, 258),
[sys.maxsize, -sys.maxsize - 1]))

1
Misc/NEWS.d/next/Library/2020-05-31-15-52-18.bpo-40834.MO9_hb.rst Normal file
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@ -0,0 +1 @@
Fix truncate when sending str object with_xxsubinterpreters.channel_send.

2
Python/pystate.c
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@ -1639,7 +1639,7 @@ _str_shared(PyObject *obj, _PyCrossInterpreterData *data)
struct _shared_str_data *shared = PyMem_NEW(struct _shared_str_data, 1);
shared->kind = PyUnicode_KIND(obj);
shared->buffer = PyUnicode_DATA(obj);
shared->len = PyUnicode_GET_LENGTH(obj) - 1;
shared->len = PyUnicode_GET_LENGTH(obj);
data->data = (void *)shared;
Py_INCREF(obj);
data->obj = obj; // Will be "released" (decref'ed) when data released.