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[3.8] bpo-40834: Fix truncate when sending str object with channel (GH-20555) #20853

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Merged
miss-islington merged 1 commit into from
Jun 13, 2020
Merged

[3.8] bpo-40834: Fix truncate when sending str object with channel (GH-20555) #20853

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3 changes: 3 additions & 0 deletions Lib/test/test__xxsubinterpreters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -392,6 +392,9 @@ def test_bytes(self):
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]))
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2020-05-31-15-52-18.bpo-40834.MO9_hb.rst
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@@ -0,0 +1 @@
Fix truncate when sending str object with_xxsubinterpreters.channel_send.
2 changes: 1 addition & 1 deletion Python/pystate.c
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Expand Up @@ -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.
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