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Applied patch #1816: sys.flags patch

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This commit is contained in:
Christian Heimes 2008-01-14 03:42:48 +00:00
parent 620fbe6632
commit f31b69f9db
4 changed files with 149 additions and 5 deletions
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97
Python/sysmodule.c
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@ -15,6 +15,7 @@ Data members:
*/
#include "Python.h"
#include "structseq.h"
#include "code.h"
#include "frameobject.h"
#include "eval.h"
@ -1045,6 +1046,90 @@ Py_SubversionShortBranch()
return shortbranch;
}
PyDoc_STRVAR(flags__doc__,
"sys.flags\n\
\n\
Flags provided through command line arguments or environment vars.");
static PyTypeObject FlagsType;
static PyStructSequence_Field flags_fields[] = {
{"debug", "-d"},
{"py3k_warning", "-3"},
{"division_warning", "-Q"},
{"division_new", "-Qnew"},
{"inspect", "-i"},
{"interactive", "-i"},
{"optimize", "-O or -OO"},
{"dont_write_bytecode", "-B"},
/* {"no_user_site", "-s"}, */
{"no_site", "-S"},
{"ingnore_environment", "-E"},
{"tabcheck", "-t or -tt"},
{"verbose", "-v"},
#ifdef RISCOS
{"ricos_wimp", "???"},
#endif
/* {"unbuffered", "-u"}, */
{"unicode", "-U"},
/* {"skip_first", "-x"}, */
{0}
};
static PyStructSequence_Desc flags_desc = {
"sys.flags", /* name */
flags__doc__, /* doc */
flags_fields, /* fields */
#ifdef RISCOS
14
#else
13
#endif
};
static PyObject*
make_flags(void)
{
int pos = 0;
PyObject *seq;
seq = PyStructSequence_New(&FlagsType);
if (seq == NULL)
return NULL;
#define SetFlag(flag) \
PyStructSequence_SET_ITEM(seq, pos++, PyInt_FromLong(flag))
SetFlag(Py_DebugFlag);
SetFlag(Py_Py3kWarningFlag);
SetFlag(Py_DivisionWarningFlag);
SetFlag(_Py_QnewFlag);
SetFlag(Py_InspectFlag);
SetFlag(Py_InteractiveFlag);
SetFlag(Py_OptimizeFlag);
SetFlag(Py_DontWriteBytecodeFlag);
/* SetFlag(Py_NoUserSiteDirectory); */
SetFlag(Py_NoSiteFlag);
SetFlag(Py_IgnoreEnvironmentFlag);
SetFlag(Py_TabcheckFlag);
SetFlag(Py_VerboseFlag);
#ifdef RISCOS
SetFlag(Py_RISCOSWimpFlag);
#endif
/* SetFlag(saw_unbuffered_flag); */
SetFlag(Py_UnicodeFlag);
/* SetFlag(skipfirstline); */
#undef SetFlag
if (PyErr_Occurred()) {
return NULL;
}
Py_INCREF(seq);
return seq;
}
PyObject *
_PySys_Init(void)
{
@ -1128,9 +1213,9 @@ _PySys_Init(void)
v = Py_BuildValue("(ssz)", "CPython", branch, svn_revision);
PyDict_SetItemString(sysdict, "subversion", v);
Py_XDECREF(v);
PyDict_SetItemString(sysdict, "dont_write_bytecode",
v = PyBool_FromLong(Py_DontWriteBytecodeFlag));
Py_XDECREF(v);
PyDict_SetItemString(sysdict, "dont_write_bytecode",
v = PyBool_FromLong(Py_DontWriteBytecodeFlag));
Py_XDECREF(v);
/*
* These release level checks are mutually exclusive and cover
* the field, so don't get too fancy with the pre-processor!
@ -1211,6 +1296,12 @@ _PySys_Init(void)
PyDict_SetItemString(sysdict, "warnoptions", warnoptions);
}
PyStructSequence_InitType(&FlagsType, &flags_desc);
PyDict_SetItemString(sysdict, "flags", make_flags());
/* prevent user from creating new instances */
FlagsType.tp_init = NULL;
FlagsType.tp_new = NULL;
if (PyErr_Occurred())
return NULL;
return m;