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cpython/Python/frozenmain.c at master · python-emscripten/cpython · GitHub
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frozenmain.c
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/* Python interpreter main program for frozen scripts */
#include
"Python.h"
#include
"pycore_runtime.h"
// _PyRuntime_Initialize()
#include
<locale.h>
#ifdef
MS_WINDOWS
extern
void
PyWinFreeze_ExeInit
(
void
);
extern
void
PyWinFreeze_ExeTerm
(
void
);
extern
int
PyInitFrozenExtensions
(
void
);
#endif
/* Main program */
int
Py_FrozenMain
(
int
argc
,
char
*
*
argv
)
{
PyStatus
status
=
_PyRuntime_Initialize
();
if
(
PyStatus_Exception
(
status
)) {
Py_ExitStatusException
(
status
);
}
const
char
*
p
;
int
i
,
n
,
sts
=
1
;
int
inspect
=
0
;
int
unbuffered
=
0
;
char
*
oldloc
=
NULL
;
wchar_t
*
*
argv_copy
=
NULL
;
/* We need a second copies, as Python might modify the first one. */
wchar_t
*
*
argv_copy2
=
NULL
;
if
(
argc
>
0
) {
argv_copy
=
PyMem_RawMalloc
(
sizeof
(
wchar_t
*
)
*
argc
);
argv_copy2
=
PyMem_RawMalloc
(
sizeof
(
wchar_t
*
)
*
argc
);
if
(!
argv_copy
||
!
argv_copy2
) {
fprintf
(
stderr
,
"out of memory\n"
);
goto
error
;
}
}
PyConfig
config
;
PyConfig_InitPythonConfig
(
&
config
);
config
.
pathconfig_warnings
=
0
;
/* Suppress errors from getpath.c */
if
((
p
=
Py_GETENV
(
"PYTHONINSPECT"
))
&&
*
p
!=
'\0'
)
inspect
=
1
;
if
((
p
=
Py_GETENV
(
"PYTHONUNBUFFERED"
))
&&
*
p
!=
'\0'
)
unbuffered
=
1
;
if
(
unbuffered
) {
setbuf
(
stdin
, (
char
*
)
NULL
);
setbuf
(
stdout
, (
char
*
)
NULL
);
setbuf
(
stderr
, (
char
*
)
NULL
);
}
oldloc
=
_PyMem_RawStrdup
(
setlocale
(
LC_ALL
,
NULL
));
if
(!
oldloc
) {
fprintf
(
stderr
,
"out of memory\n"
);
goto
error
;
}
setlocale
(
LC_ALL
,
""
);
for
(
i
=
0
;
i
<
argc
;
i
++
) {
argv_copy
[
i
]
=
Py_DecodeLocale
(
argv
[
i
],
NULL
);
argv_copy2
[
i
]
=
argv_copy
[
i
];
if
(!
argv_copy
[
i
]) {
fprintf
(
stderr
,
"Unable to decode the command line argument #%i\n"
,
i
+
1
);
argc
=
i
;
goto
error
;
}
}
setlocale
(
LC_ALL
,
oldloc
);
PyMem_RawFree
(
oldloc
);
oldloc
=
NULL
;
#ifdef
MS_WINDOWS
PyInitFrozenExtensions
();
#endif
/* MS_WINDOWS */
if
(
argc
>=
1
)
Py_SetProgramName
(
argv_copy
[
0
]);
status
=
Py_InitializeFromConfig
(
&
config
);
PyConfig_Clear
(
&
config
);
if
(
PyStatus_Exception
(
status
)) {
Py_ExitStatusException
(
status
);
}
#ifdef
MS_WINDOWS
PyWinFreeze_ExeInit
();
#endif
if
(
Py_VerboseFlag
)
fprintf
(
stderr
,
"Python %s\n%s\n"
,
Py_GetVersion
(),
Py_GetCopyright
());
PySys_SetArgv
(
argc
,
argv_copy
);
n
=
PyImport_ImportFrozenModule
(
"__main__"
);
if
(
n
==
0
)
Py_FatalError
(
"the __main__ module is not frozen"
);
if
(
n
<
0
) {
PyErr_Print
();
sts
=
1
;
}
else
sts
=
0
;
if
(
inspect
&&
isatty
((
int
)
fileno
(
stdin
)))
sts
=
PyRun_AnyFile
(
stdin
,
"<stdin>"
)
!=
0
;
#ifdef
MS_WINDOWS
PyWinFreeze_ExeTerm
();
#endif
if
(
Py_FinalizeEx
()
<
0
) {
sts
=
120
;
}
error
:
PyMem_RawFree
(
argv_copy
);
if
(
argv_copy2
) {
for
(
i
=
0
;
i
<
argc
;
i
++
)
PyMem_RawFree
(
argv_copy2
[
i
]);
PyMem_RawFree
(
argv_copy2
);
}
PyMem_RawFree
(
oldloc
);
return
sts
;
}
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