Run Argument Clinic: METH_VARARGS=>METH_FASTCALL

Issue #29286. Run Argument Clinic to get the new faster METH_FASTCALL calling
convention for functions using "boring" positional arguments.

Manually fix _elementtree: _elementtree_XMLParser_doctype() must remain
consistent with the clinic code.

5 files changed, 82 insertions, 38 deletions

diff --git a/Modules/_io/clinic/bufferedio.c.h b/Modules/_io/clinic/bufferedio.c.h
index ed584f8e9f..4337ecfaa9 100644
--- a/Modules/_io/clinic/bufferedio.c.h
+++ b/Modules/_io/clinic/bufferedio.c.h
@@ -309,22 +309,26 @@ PyDoc_STRVAR(_io__Buffered_truncate__doc__,
 "\n");
 
 #define _IO__BUFFERED_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io__Buffered_truncate, METH_VARARGS, _io__Buffered_truncate__doc__},
+    {"truncate", (PyCFunction)_io__Buffered_truncate, METH_FASTCALL, _io__Buffered_truncate__doc__},
 
 static PyObject *
 _io__Buffered_truncate_impl(buffered *self, PyObject *pos);
 
 static PyObject *
-_io__Buffered_truncate(buffered *self, PyObject *args)
+_io__Buffered_truncate(buffered *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *pos = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "truncate",
+    if (!_PyArg_UnpackStack(args, nargs, "truncate",
         0, 1,
         &pos)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("truncate", kwnames)) {
+        goto exit;
+    }
     return_value = _io__Buffered_truncate_impl(self, pos);
 
 exit:
@@ -496,4 +500,4 @@ _io_BufferedRandom___init__(PyObject *self, PyObject *args, PyObject *kwargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=e6e584216a10d67e input=a9049054013a1b77]*/
+/*[clinic end generated code: output=e37b969b1acaa09c input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/bytesio.c.h b/Modules/_io/clinic/bytesio.c.h
index 11b976c503..656e7ecd13 100644
--- a/Modules/_io/clinic/bytesio.c.h
+++ b/Modules/_io/clinic/bytesio.c.h
@@ -158,22 +158,26 @@ PyDoc_STRVAR(_io_BytesIO_read__doc__,
 "Return an empty bytes object at EOF.");
 
 #define _IO_BYTESIO_READ_METHODDEF    \
-    {"read", (PyCFunction)_io_BytesIO_read, METH_VARARGS, _io_BytesIO_read__doc__},
+    {"read", (PyCFunction)_io_BytesIO_read, METH_FASTCALL, _io_BytesIO_read__doc__},
 
 static PyObject *
 _io_BytesIO_read_impl(bytesio *self, PyObject *arg);
 
 static PyObject *
-_io_BytesIO_read(bytesio *self, PyObject *args)
+_io_BytesIO_read(bytesio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *arg = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "read",
+    if (!_PyArg_UnpackStack(args, nargs, "read",
         0, 1,
         &arg)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("read", kwnames)) {
+        goto exit;
+    }
     return_value = _io_BytesIO_read_impl(self, arg);
 
 exit:
@@ -190,22 +194,26 @@ PyDoc_STRVAR(_io_BytesIO_read1__doc__,
 "Return an empty bytes object at EOF.");
 
 #define _IO_BYTESIO_READ1_METHODDEF    \
-    {"read1", (PyCFunction)_io_BytesIO_read1, METH_VARARGS, _io_BytesIO_read1__doc__},
+    {"read1", (PyCFunction)_io_BytesIO_read1, METH_FASTCALL, _io_BytesIO_read1__doc__},
 
 static PyObject *
 _io_BytesIO_read1_impl(bytesio *self, PyObject *size);
 
 static PyObject *
-_io_BytesIO_read1(bytesio *self, PyObject *args)
+_io_BytesIO_read1(bytesio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *size = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "read1",
+    if (!_PyArg_UnpackStack(args, nargs, "read1",
         0, 1,
         &size)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("read1", kwnames)) {
+        goto exit;
+    }
     return_value = _io_BytesIO_read1_impl(self, size);
 
 exit:
@@ -223,22 +231,26 @@ PyDoc_STRVAR(_io_BytesIO_readline__doc__,
 "Return an empty bytes object at EOF.");
 
 #define _IO_BYTESIO_READLINE_METHODDEF    \
-    {"readline", (PyCFunction)_io_BytesIO_readline, METH_VARARGS, _io_BytesIO_readline__doc__},
+    {"readline", (PyCFunction)_io_BytesIO_readline, METH_FASTCALL, _io_BytesIO_readline__doc__},
 
 static PyObject *
 _io_BytesIO_readline_impl(bytesio *self, PyObject *arg);
 
 static PyObject *
-_io_BytesIO_readline(bytesio *self, PyObject *args)
+_io_BytesIO_readline(bytesio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *arg = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "readline",
+    if (!_PyArg_UnpackStack(args, nargs, "readline",
         0, 1,
         &arg)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("readline", kwnames)) {
+        goto exit;
+    }
     return_value = _io_BytesIO_readline_impl(self, arg);
 
 exit:
@@ -256,22 +268,26 @@ PyDoc_STRVAR(_io_BytesIO_readlines__doc__,
 "total number of bytes in the lines returned.");
 
 #define _IO_BYTESIO_READLINES_METHODDEF    \
-    {"readlines", (PyCFunction)_io_BytesIO_readlines, METH_VARARGS, _io_BytesIO_readlines__doc__},
+    {"readlines", (PyCFunction)_io_BytesIO_readlines, METH_FASTCALL, _io_BytesIO_readlines__doc__},
 
 static PyObject *
 _io_BytesIO_readlines_impl(bytesio *self, PyObject *arg);
 
 static PyObject *
-_io_BytesIO_readlines(bytesio *self, PyObject *args)
+_io_BytesIO_readlines(bytesio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *arg = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "readlines",
+    if (!_PyArg_UnpackStack(args, nargs, "readlines",
         0, 1,
         &arg)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("readlines", kwnames)) {
+        goto exit;
+    }
     return_value = _io_BytesIO_readlines_impl(self, arg);
 
 exit:
@@ -323,22 +339,26 @@ PyDoc_STRVAR(_io_BytesIO_truncate__doc__,
 "The current file position is unchanged.  Returns the new size.");
 
 #define _IO_BYTESIO_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io_BytesIO_truncate, METH_VARARGS, _io_BytesIO_truncate__doc__},
+    {"truncate", (PyCFunction)_io_BytesIO_truncate, METH_FASTCALL, _io_BytesIO_truncate__doc__},
 
 static PyObject *
 _io_BytesIO_truncate_impl(bytesio *self, PyObject *arg);
 
 static PyObject *
-_io_BytesIO_truncate(bytesio *self, PyObject *args)
+_io_BytesIO_truncate(bytesio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *arg = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "truncate",
+    if (!_PyArg_UnpackStack(args, nargs, "truncate",
         0, 1,
         &arg)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("truncate", kwnames)) {
+        goto exit;
+    }
     return_value = _io_BytesIO_truncate_impl(self, arg);
 
 exit:
@@ -452,4 +472,4 @@ _io_BytesIO___init__(PyObject *self, PyObject *args, PyObject *kwargs)
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=056f24eece495a8f input=a9049054013a1b77]*/
+/*[clinic end generated code: output=138ee6ad6951bc84 input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/fileio.c.h b/Modules/_io/clinic/fileio.c.h
index 411a8c0574..7a8e2c64c3 100644
--- a/Modules/_io/clinic/fileio.c.h
+++ b/Modules/_io/clinic/fileio.c.h
@@ -336,22 +336,26 @@ PyDoc_STRVAR(_io_FileIO_truncate__doc__,
 "The current file position is changed to the value of size.");
 
 #define _IO_FILEIO_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io_FileIO_truncate, METH_VARARGS, _io_FileIO_truncate__doc__},
+    {"truncate", (PyCFunction)_io_FileIO_truncate, METH_FASTCALL, _io_FileIO_truncate__doc__},
 
 static PyObject *
 _io_FileIO_truncate_impl(fileio *self, PyObject *posobj);
 
 static PyObject *
-_io_FileIO_truncate(fileio *self, PyObject *args)
+_io_FileIO_truncate(fileio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *posobj = NULL;
 
-    if (!PyArg_UnpackTuple(args, "truncate",
+    if (!_PyArg_UnpackStack(args, nargs, "truncate",
         0, 1,
         &posobj)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("truncate", kwnames)) {
+        goto exit;
+    }
     return_value = _io_FileIO_truncate_impl(self, posobj);
 
 exit:
@@ -381,4 +385,4 @@ _io_FileIO_isatty(fileio *self, PyObject *Py_UNUSED(ignored))
 #ifndef _IO_FILEIO_TRUNCATE_METHODDEF
     #define _IO_FILEIO_TRUNCATE_METHODDEF
 #endif /* !defined(_IO_FILEIO_TRUNCATE_METHODDEF) */
-/*[clinic end generated code: output=5c2a0b493c0af58b input=a9049054013a1b77]*/
+/*[clinic end generated code: output=034d782a0daa82bd input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/stringio.c.h b/Modules/_io/clinic/stringio.c.h
index e61720184b..af467d687f 100644
--- a/Modules/_io/clinic/stringio.c.h
+++ b/Modules/_io/clinic/stringio.c.h
@@ -48,22 +48,26 @@ PyDoc_STRVAR(_io_StringIO_read__doc__,
 "is reached. Return an empty string at EOF.");
 
 #define _IO_STRINGIO_READ_METHODDEF    \
-    {"read", (PyCFunction)_io_StringIO_read, METH_VARARGS, _io_StringIO_read__doc__},
+    {"read", (PyCFunction)_io_StringIO_read, METH_FASTCALL, _io_StringIO_read__doc__},
 
 static PyObject *
 _io_StringIO_read_impl(stringio *self, PyObject *arg);
 
 static PyObject *
-_io_StringIO_read(stringio *self, PyObject *args)
+_io_StringIO_read(stringio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *arg = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "read",
+    if (!_PyArg_UnpackStack(args, nargs, "read",
         0, 1,
         &arg)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("read", kwnames)) {
+        goto exit;
+    }
     return_value = _io_StringIO_read_impl(self, arg);
 
 exit:
@@ -79,22 +83,26 @@ PyDoc_STRVAR(_io_StringIO_readline__doc__,
 "Returns an empty string if EOF is hit immediately.");
 
 #define _IO_STRINGIO_READLINE_METHODDEF    \
-    {"readline", (PyCFunction)_io_StringIO_readline, METH_VARARGS, _io_StringIO_readline__doc__},
+    {"readline", (PyCFunction)_io_StringIO_readline, METH_FASTCALL, _io_StringIO_readline__doc__},
 
 static PyObject *
 _io_StringIO_readline_impl(stringio *self, PyObject *arg);
 
 static PyObject *
-_io_StringIO_readline(stringio *self, PyObject *args)
+_io_StringIO_readline(stringio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *arg = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "readline",
+    if (!_PyArg_UnpackStack(args, nargs, "readline",
         0, 1,
         &arg)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("readline", kwnames)) {
+        goto exit;
+    }
     return_value = _io_StringIO_readline_impl(self, arg);
 
 exit:
@@ -112,22 +120,26 @@ PyDoc_STRVAR(_io_StringIO_truncate__doc__,
 "Returns the new absolute position.");
 
 #define _IO_STRINGIO_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io_StringIO_truncate, METH_VARARGS, _io_StringIO_truncate__doc__},
+    {"truncate", (PyCFunction)_io_StringIO_truncate, METH_FASTCALL, _io_StringIO_truncate__doc__},
 
 static PyObject *
 _io_StringIO_truncate_impl(stringio *self, PyObject *arg);
 
 static PyObject *
-_io_StringIO_truncate(stringio *self, PyObject *args)
+_io_StringIO_truncate(stringio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *arg = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "truncate",
+    if (!_PyArg_UnpackStack(args, nargs, "truncate",
         0, 1,
         &arg)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("truncate", kwnames)) {
+        goto exit;
+    }
     return_value = _io_StringIO_truncate_impl(self, arg);
 
 exit:
@@ -293,4 +305,4 @@ _io_StringIO_seekable(stringio *self, PyObject *Py_UNUSED(ignored))
 {
     return _io_StringIO_seekable_impl(self);
 }
-/*[clinic end generated code: output=69bf262268745061 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=ce8018ec29def422 input=a9049054013a1b77]*/
diff --git a/Modules/_io/clinic/textio.c.h b/Modules/_io/clinic/textio.c.h
index 1844e4d286..46b3edafa9 100644
--- a/Modules/_io/clinic/textio.c.h
+++ b/Modules/_io/clinic/textio.c.h
@@ -336,22 +336,26 @@ PyDoc_STRVAR(_io_TextIOWrapper_truncate__doc__,
 "\n");
 
 #define _IO_TEXTIOWRAPPER_TRUNCATE_METHODDEF    \
-    {"truncate", (PyCFunction)_io_TextIOWrapper_truncate, METH_VARARGS, _io_TextIOWrapper_truncate__doc__},
+    {"truncate", (PyCFunction)_io_TextIOWrapper_truncate, METH_FASTCALL, _io_TextIOWrapper_truncate__doc__},
 
 static PyObject *
 _io_TextIOWrapper_truncate_impl(textio *self, PyObject *pos);
 
 static PyObject *
-_io_TextIOWrapper_truncate(textio *self, PyObject *args)
+_io_TextIOWrapper_truncate(textio *self, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
 {
     PyObject *return_value = NULL;
     PyObject *pos = Py_None;
 
-    if (!PyArg_UnpackTuple(args, "truncate",
+    if (!_PyArg_UnpackStack(args, nargs, "truncate",
         0, 1,
         &pos)) {
         goto exit;
     }
+
+    if (!_PyArg_NoStackKeywords("truncate", kwnames)) {
+        goto exit;
+    }
     return_value = _io_TextIOWrapper_truncate_impl(self, pos);
 
 exit:
@@ -476,4 +480,4 @@ _io_TextIOWrapper_close(textio *self, PyObject *Py_UNUSED(ignored))
 {
     return _io_TextIOWrapper_close_impl(self);
 }
-/*[clinic end generated code: output=1f8367c7a3301670 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=67eba50449900a96 input=a9049054013a1b77]*/