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bpo-30246: fix several error messages which only mention bytes in struct #1421

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Merged
merged 3 commits into from
Sep 14, 2017
Merged

bpo-30246: fix several error messages which only mention bytes in struct #1421

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3bfa7fd
fix several error messages which only mention bytes in struct
zhangyangyu May 3, 2017
dbf53ad
rephrase according to Serhiy's comments
zhangyangyu May 3, 2017
16b9a0c
better wording suggested by Martin
zhangyangyu May 5, 2017
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9 changes: 5 additions & 4 deletions Modules/_struct.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1481,7 +1481,8 @@ Struct___init___impl(PyStructObject *self, PyObject *format)
if (!PyBytes_Check(format)) {
Py_DECREF(format);
PyErr_Format(PyExc_TypeError,
"Struct() argument 1 must be a bytes object, not %.200s",
"Struct() argument 1 must be a str or bytes object, "
"not %.200s",
Py_TYPE(format)->tp_name);
return -1;
}
Expand Down Expand Up @@ -1563,7 +1564,7 @@ Struct_unpack_impl(PyStructObject *self, Py_buffer *buffer)
assert(self->s_codes != NULL);
if (buffer->len != self->s_size) {
PyErr_Format(StructError,
"unpack requires a bytes object of length %zd",
"unpack requires a buffer of %zd bytes",
self->s_size);
return NULL;
}
Expand Down Expand Up @@ -1734,8 +1735,8 @@ Struct_iter_unpack(PyStructObject *self, PyObject *buffer)
}
if (iter->buf.len % self->s_size != 0) {
PyErr_Format(StructError,
"iterative unpacking requires a bytes length "
"multiple of %zd",
"iterative unpacking requires a buffer of "
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"length" is lost.

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I delibrately discard it. Now the error messages in struct all get a "requires a buffer of %d bytes" format.

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“. . . a buffer of a multiple of . . .” would read better to me. Or simpler: “requires a multiple of . . . bytes”.

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Done.

"a multiple of %zd bytes",
self->s_size);
Py_DECREF(iter);
return NULL;
Expand Down