python · miss-islington · May 25, 2021 · May 19, 2021 · May 19, 2021 · May 19, 2021
diff --git a/Doc/data/stable_abi.dat b/Doc/data/stable_abi.dat
@@ -783,7 +783,6 @@ var,Py_FileSystemDefaultEncodeErrors,3.10,
 var,Py_FileSystemDefaultEncoding,3.2,
 function,Py_Finalize,3.2,
 function,Py_FinalizeEx,3.6,
-function,Py_FrozenMain,3.10,
 function,Py_GenericAlias,3.9,
 function,Py_GenericAliasType,3.9,
 function,Py_GetBuildInfo,3.2,

diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
@@ -1919,6 +1919,10 @@ Porting to Python 3.10
   instead.
   (Contributed by Victor Stinner and Erlend E. Aasland in :issue:`43908`.)
 
+* The undocumented function ``Py_FrozenMain`` has been removed from the
+  limited API. The function is mainly useful for custom builds of Python.
+  (Contributed by Petr Viktorin in :issue:`26241`)
+
 Deprecated
 ----------
 

diff --git a/Include/cpython/pylifecycle.h b/Include/cpython/pylifecycle.h
@@ -2,6 +2,10 @@
 #  error "this header file must not be included directly"
 #endif
 
+/* Py_FrozenMain is kept out of the Limited API until documented and present
+   in all builds of Python */
+PyAPI_FUNC(int) Py_FrozenMain(int argc, char **argv);
+
 /* Only used by applications that embed the interpreter and need to
  * override the standard encoding determination mechanism
  */

diff --git a/Include/pylifecycle.h b/Include/pylifecycle.h
@@ -31,9 +31,6 @@ PyAPI_FUNC(void) _Py_NO_RETURN Py_Exit(int);
 
 /* Bootstrap __main__ (defined in Modules/main.c) */
 PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);
-
-PyAPI_FUNC(int) Py_FrozenMain(int argc, char **argv);
-
 PyAPI_FUNC(int) Py_BytesMain(int argc, char **argv);
 
 /* In pathconfig.c */

diff --git a/Misc/NEWS.d/next/C API/2021-05-19-15-09-47.bpo-43795.WAHRxt.rst b/Misc/NEWS.d/next/C API/2021-05-19-15-09-47.bpo-43795.WAHRxt.rst
@@ -0,0 +1 @@
+The undocumented function :c:func:`Py_FrozenMain` is removed from the Limited API.
diff --git a/Misc/stable_abi.txt b/Misc/stable_abi.txt
@@ -2079,8 +2079,6 @@ function PyType_GetModule
     added 3.10
 function PyType_GetModuleState
     added 3.10
-function Py_FrozenMain
-    added 3.10
 function PyFrame_GetLineNumber
     added 3.10
 function PyFrame_GetCode

@@ -55,7 +55,6 @@ EXPORT_FUNC(Py_Exit)
 EXPORT_FUNC(Py_FatalError)
 EXPORT_FUNC(Py_Finalize)
 EXPORT_FUNC(Py_FinalizeEx)
-EXPORT_FUNC(Py_FrozenMain)
 EXPORT_FUNC(Py_GenericAlias)
 EXPORT_FUNC(Py_GenericAliasType)
 EXPORT_FUNC(Py_GetArgcArgv)
		@@ -0,0 +1 @@
		The undocumented function :c:func:`Py_FrozenMain` is removed from the Limited API.