added _cosmo builtin module

The purpose of this module is to provide Cosmopolitan-Libc specific
information to Python wherever required, and to also provide shortcut
implementations of commonly used functions for possible speedups.
This commit is contained in:
ahgamut 2021-09-04 05:05:12 +05:30
parent 3ce40075f7
commit 675e44e7e3
5 changed files with 134 additions and 1 deletions

10
third_party/python/Include/cosmo.h vendored Normal file
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@ -0,0 +1,10 @@
#ifndef Py_COSMO_H
#define Py_COSMO_H
#include "third_party/python/Include/object.h"
COSMOPOLITAN_C_START_
/* clang-format off */
PyMODINIT_FUNC PyInit_cosmo(void);
COSMOPOLITAN_C_END_
#endif /* !Py_IMPORT_H */

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@ -27,6 +27,7 @@ redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#include "third_party/python/Include/pyport.h"
#include "third_party/python/Include/pyport.h"
#include "third_party/python/Include/Python.h"
#include "third_party/python/Include/cosmo.h"
PyObject* PyInit__decimal(void);
PyObject* PyInit_audioop(void);
@ -101,6 +102,7 @@ PyObject *PyInit__sqlite3(void);
PyObject* PyMarshal_Init(void);
PyObject* PyInit_imp(void);
PyObject* PyInit_cosmo(void);
PyObject* PyInit_gc(void);
PyObject* PyInit__ast(void);
PyObject* _PyWarnings_Init(void);
@ -188,6 +190,9 @@ struct _inittab _PyImport_Inittab[] = {
/* This lives in import.c */
{"_imp", PyInit_imp},
/* This lives in cosmomodule.c */
{"_cosmo", PyInit_cosmo},
/* This lives in Python/Python-ast.c */
{"_ast", PyInit__ast},

102
third_party/python/Python/cosmomodule.c vendored Normal file
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@ -0,0 +1,102 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or
distribute this software, either in source code form or as a compiled
binary, for any purpose, commercial or non-commercial, and by any
means.
In jurisdictions that recognize copyright laws, the author or authors
of this software dedicate any and all copyright interest in the
software to the public domain. We make this dedication for the benefit
of the public at large and to the detriment of our heirs and
successors. We intend this dedication to be an overt act of
relinquishment in perpetuity of all present and future rights to this
software under copyright law.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
*/
#include "third_party/python/Include/Python-ast.h"
#include "third_party/python/Include/abstract.h"
#include "third_party/python/Include/boolobject.h"
#include "third_party/python/Include/ceval.h"
#include "third_party/python/Include/code.h"
#include "third_party/python/Include/cosmo.h"
#include "third_party/python/Include/dictobject.h"
#include "third_party/python/Include/errcode.h"
#include "third_party/python/Include/eval.h"
#include "third_party/python/Include/fileutils.h"
#include "third_party/python/Include/frameobject.h"
#include "third_party/python/Include/import.h"
#include "third_party/python/Include/listobject.h"
#include "third_party/python/Include/longobject.h"
#include "third_party/python/Include/marshal.h"
#include "third_party/python/Include/modsupport.h"
#include "third_party/python/Include/objimpl.h"
#include "third_party/python/Include/osdefs.h"
#include "third_party/python/Include/pgenheaders.h"
#include "third_party/python/Include/pydebug.h"
#include "third_party/python/Include/pyerrors.h"
#include "third_party/python/Include/pylifecycle.h"
#include "third_party/python/Include/pymacro.h"
#include "third_party/python/Include/pythonrun.h"
#include "third_party/python/Include/sysmodule.h"
#include "third_party/python/Include/traceback.h"
#include "third_party/python/Include/tupleobject.h"
#include "third_party/python/Include/warnings.h"
#include "third_party/python/Include/weakrefobject.h"
#include "third_party/python/Python/importdl.h"
/* clang-format off */
static int cosmo_constants(PyObject *m)
{
if(PyModule_AddStringMacro(m, MODE)) return -1;
return 0;
}
PyDoc_STRVAR(doc_cosmo,
"additional information and special functions provided by Cosmopolitan Libc.");
static PyMethodDef cosmo_methods[] = {
{NULL, NULL} /* sentinel */
};
static struct PyModuleDef cosmomodule = {
PyModuleDef_HEAD_INIT,
"_cosmo",
doc_cosmo,
-1,
cosmo_methods,
NULL,
NULL,
NULL,
NULL
};
PyMODINIT_FUNC
PyInit_cosmo(void)
{
PyObject *m, *d;
m = PyModule_Create(&cosmomodule);
if (m == NULL)
goto failure;
if(cosmo_constants(m))
goto failure;
return m;
failure:
Py_XDECREF(m);
return NULL;
}

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@ -21,6 +21,7 @@
#include "third_party/python/Include/ast.h"
#include "third_party/python/Include/boolobject.h"
#include "third_party/python/Include/code.h"
#include "third_party/python/Include/cosmo.h"
#include "third_party/python/Include/codecs.h"
#include "third_party/python/Include/dictobject.h"
#include "third_party/python/Include/errcode.h"
@ -258,6 +259,7 @@ import_init(PyInterpreterState *interp, PyObject *sysmod)
{
PyObject *importlib;
PyObject *impmod;
PyObject *cosmomod;
PyObject *sys_modules;
PyObject *value;
@ -297,6 +299,18 @@ import_init(PyInterpreterState *interp, PyObject *sysmod)
Py_FatalError("Py_Initialize: can't save _imp to sys.modules");
}
/* Import the _cosmo module */
cosmomod = PyInit_cosmo();
if (impmod == NULL) {
Py_FatalError("Py_Initialize: can't import _cosmo");
}
else if (Py_VerboseFlag) {
PySys_FormatStderr("import _cosmo # for bonus Cosmopolitan Libc features\n");
}
if (PyDict_SetItemString(sys_modules, "_cosmo", cosmomod) < 0) {
Py_FatalError("Py_Initialize: can't save _cosmo to sys.modules");
}
/* Install importlib as the implementation of import */
value = PyObject_CallMethod(importlib, "_install", "OO", sysmod, impmod);
if (value == NULL) {

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@ -78,6 +78,7 @@ THIRD_PARTY_PYTHON_HDRS = \
third_party/python/Include/codecs.h \
third_party/python/Include/compile.h \
third_party/python/Include/complexobject.h \
third_party/python/Include/cosmo.h \
third_party/python/Include/datetime.h \
third_party/python/Include/descrobject.h \
third_party/python/Include/dictobject.h \
@ -315,7 +316,7 @@ THIRD_PARTY_PYTHON_INCS = \
THIRD_PARTY_PYTHON_STAGE1_A_SRCS = \
third_party/python/Modules/faulthandler.c \
third_party/python/Objects/abstract.c \
third_party/python/Objects/abstract.c \
third_party/python/Modules/fspath.c \
third_party/python/Modules/gcmodule.c \
third_party/python/Modules/getbuildinfo.c \
@ -376,6 +377,7 @@ THIRD_PARTY_PYTHON_STAGE1_A_SRCS = \
third_party/python/Python/ceval.c \
third_party/python/Python/codecs.c \
third_party/python/Python/compile.c \
third_party/python/Python/cosmomodule.c \
third_party/python/Python/dtoa.c \
third_party/python/Python/dynload_shlib.c \
third_party/python/Python/errors.c \