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bpo-39353: Deprecate the binhex module (GH-18025)

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Deprecate binhex4 and hexbin4 standards. Deprecate the binhex module
and the following binascii functions:

* b2a_hqx(), a2b_hqx()
* rlecode_hqx(), rledecode_hqx()
* crc_hqx()
This commit is contained in:
Victor Stinner 2020-01-22 20:44:22 +01:00 • committed by GitHub
parent 14d80d0b60
commit beea26b57e
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 120 additions and 25 deletions
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33
Modules/binascii.c
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@ -613,6 +613,11 @@ static PyObject *
binascii_a2b_hqx_impl(PyObject *module, Py_buffer *data)
/*[clinic end generated code: output=4d6d8c54d54ea1c1 input=0d914c680e0eed55]*/
{
if (PyErr_WarnEx(PyExc_DeprecationWarning,
"binascii.a2b_hqx() is deprecated", 1) < 0) {
return NULL;
}
const unsigned char *ascii_data;
unsigned char *bin_data;
int leftbits = 0;
@ -701,6 +706,11 @@ static PyObject *
binascii_rlecode_hqx_impl(PyObject *module, Py_buffer *data)
/*[clinic end generated code: output=393d79338f5f5629 input=e1f1712447a82b09]*/
{
if (PyErr_WarnEx(PyExc_DeprecationWarning,
"binascii.rlecode_hqx() is deprecated", 1) < 0) {
return NULL;
}
const unsigned char *in_data;
unsigned char *out_data;
unsigned char ch;
@ -763,6 +773,11 @@ static PyObject *
binascii_b2a_hqx_impl(PyObject *module, Py_buffer *data)
/*[clinic end generated code: output=d0aa5a704bc9f7de input=9596ebe019fe12ba]*/
{
if (PyErr_WarnEx(PyExc_DeprecationWarning,
"binascii.b2a_hqx() is deprecated", 1) < 0) {
return NULL;
}
unsigned char *ascii_data;
const unsigned char *bin_data;
int leftbits = 0;
@ -818,6 +833,11 @@ static PyObject *
binascii_rledecode_hqx_impl(PyObject *module, Py_buffer *data)
/*[clinic end generated code: output=9826619565de1c6c input=54cdd49fc014402c]*/
{
if (PyErr_WarnEx(PyExc_DeprecationWarning,
"binascii.rledecode_hqx() is deprecated", 1) < 0) {
return NULL;
}
const unsigned char *in_data;
unsigned char *out_data;
unsigned char in_byte, in_repeat;
@ -932,7 +952,7 @@ error:
/*[clinic input]
binascii.crc_hqx -> unsigned_int
binascii.crc_hqx
data: Py_buffer
crc: unsigned_int(bitwise=True)
@ -941,10 +961,15 @@ binascii.crc_hqx -> unsigned_int
Compute CRC-CCITT incrementally.
[clinic start generated code]*/
static unsigned int
static PyObject *
binascii_crc_hqx_impl(PyObject *module, Py_buffer *data, unsigned int crc)
/*[clinic end generated code: output=8ec2a78590d19170 input=f18240ff8c705b79]*/
/*[clinic end generated code: output=2fde213d0f547a98 input=56237755370a951c]*/
{
if (PyErr_WarnEx(PyExc_DeprecationWarning,
"binascii.crc_hqx() is deprecated", 1) < 0) {
return NULL;
}
const unsigned char *bin_data;
Py_ssize_t len;
@ -956,7 +981,7 @@ binascii_crc_hqx_impl(PyObject *module, Py_buffer *data, unsigned int crc)
crc = ((crc<<8)&0xff00) ^ crctab_hqx[(crc>>8)^*bin_data++];
}
return crc;
return PyLong_FromUnsignedLong(crc);
}
#ifndef USE_ZLIB_CRC32