bpo-41842: Add codecs.unregister() function (GH-22360)
Add codecs.unregister() and PyCodec_Unregister() functions
to unregister a codec search function.
diff --git a/Modules/_codecsmodule.c b/Modules/_codecsmodule.c
index 9520721..08a3d4a 100644
--- a/Modules/_codecsmodule.c
+++ b/Modules/_codecsmodule.c
@@ -69,6 +69,27 @@
}
/*[clinic input]
+_codecs.unregister
+ search_function: object
+ /
+
+Unregister a codec search function and clear the registry's cache.
+
+If the search function is not registered, do nothing.
+[clinic start generated code]*/
+
+static PyObject *
+_codecs_unregister(PyObject *module, PyObject *search_function)
+/*[clinic end generated code: output=1f0edee9cf246399 input=dd7c004c652d345e]*/
+{
+ if (PyCodec_Unregister(search_function) < 0) {
+ return NULL;
+ }
+
+ Py_RETURN_NONE;
+}
+
+/*[clinic input]
_codecs.lookup
encoding: str
/
@@ -992,6 +1013,7 @@
static PyMethodDef _codecs_functions[] = {
_CODECS_REGISTER_METHODDEF
+ _CODECS_UNREGISTER_METHODDEF
_CODECS_LOOKUP_METHODDEF
_CODECS_ENCODE_METHODDEF
_CODECS_DECODE_METHODDEF
diff --git a/Modules/clinic/_codecsmodule.c.h b/Modules/clinic/_codecsmodule.c.h
index 249065c..e2ebb68 100644
--- a/Modules/clinic/_codecsmodule.c.h
+++ b/Modules/clinic/_codecsmodule.c.h
@@ -15,6 +15,17 @@
#define _CODECS_REGISTER_METHODDEF \
{"register", (PyCFunction)_codecs_register, METH_O, _codecs_register__doc__},
+PyDoc_STRVAR(_codecs_unregister__doc__,
+"unregister($module, search_function, /)\n"
+"--\n"
+"\n"
+"Unregister a codec search function and clear the registry\'s cache.\n"
+"\n"
+"If the search function is not registered, do nothing.");
+
+#define _CODECS_UNREGISTER_METHODDEF \
+ {"unregister", (PyCFunction)_codecs_unregister, METH_O, _codecs_unregister__doc__},
+
PyDoc_STRVAR(_codecs_lookup__doc__,
"lookup($module, encoding, /)\n"
"--\n"
@@ -2827,4 +2838,4 @@
#ifndef _CODECS_CODE_PAGE_ENCODE_METHODDEF
#define _CODECS_CODE_PAGE_ENCODE_METHODDEF
#endif /* !defined(_CODECS_CODE_PAGE_ENCODE_METHODDEF) */
-/*[clinic end generated code: output=eeead01414be6e42 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=9a97e2ddf3e69072 input=a9049054013a1b77]*/