From 22424c02e51fab3b62cbe255d0b87d1b55b9a6c3 Mon Sep 17 00:00:00 2001
From: Anthony Sottile <asottile@umich.edu>
Date: Wed, 1 Jan 2020 01:11:16 -0500
Subject: Document CodeType.replace (GH-17776)

---
 Doc/library/types.rst         | 8 +++++++-
 Objects/clinic/codeobject.c.h | 4 ++--
 Objects/codeobject.c          | 4 ++--
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/Doc/library/types.rst b/Doc/library/types.rst
index 9393f9e..3529c2b 100644
--- a/Doc/library/types.rst
+++ b/Doc/library/types.rst
@@ -132,7 +132,7 @@ Standard names are defined for the following types:
    .. versionadded:: 3.6
 
 
-.. data:: CodeType
+.. class:: CodeType(**kwargs)
 
    .. index:: builtin: compile
 
@@ -143,6 +143,12 @@ Standard names are defined for the following types:
    Note that the audited arguments may not match the names or positions
    required by the initializer.
 
+   .. method:: CodeType.replace(**kwargs)
+
+     Return a copy of the code object with new values for the specified fields.
+
+     .. versionadded:: 3.8
+
 .. data:: CellType
 
    The type for cell objects: such objects are used as containers for
diff --git a/Objects/clinic/codeobject.c.h b/Objects/clinic/codeobject.c.h
index 6596de0..1dd8227 100644
--- a/Objects/clinic/codeobject.c.h
+++ b/Objects/clinic/codeobject.c.h
@@ -11,7 +11,7 @@ PyDoc_STRVAR(code_replace__doc__,
 "        co_lnotab=None)\n"
 "--\n"
 "\n"
-"Return a new code object with new specified fields.");
+"Return a copy of the code object with new values for the specified fields.");
 
 #define CODE_REPLACE_METHODDEF    \
     {"replace", (PyCFunction)(void(*)(void))code_replace, METH_FASTCALL|METH_KEYWORDS, code_replace__doc__},
@@ -253,4 +253,4 @@ skip_optional_kwonly:
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=fade581d6313a0c2 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=27fe34e82106b220 input=a9049054013a1b77]*/
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
index f0b62ec..522e1a9 100644
--- a/Objects/codeobject.c
+++ b/Objects/codeobject.c
@@ -610,7 +610,7 @@ code.replace
     co_name: unicode(c_default="self->co_name") = None
     co_lnotab: PyBytesObject(c_default="(PyBytesObject *)self->co_lnotab") = None
 
-Return a new code object with new specified fields.
+Return a copy of the code object with new values for the specified fields.
 [clinic start generated code]*/
 
 static PyObject *
@@ -622,7 +622,7 @@ code_replace_impl(PyCodeObject *self, int co_argcount,
                   PyObject *co_varnames, PyObject *co_freevars,
                   PyObject *co_cellvars, PyObject *co_filename,
                   PyObject *co_name, PyBytesObject *co_lnotab)
-/*[clinic end generated code: output=25c8e303913bcace input=77189e46579ec426]*/
+/*[clinic end generated code: output=25c8e303913bcace input=d9051bc8f24e6b28]*/
 {
 #define CHECK_INT_ARG(ARG) \
         if (ARG < 0) { \
-- 
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