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cpython/Modules/_testcapi/file.c at 3.15 · python/cpython · GitHub
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Modules
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_testcapi
/
file.c
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111 lines (85 loc) · 2.44 KB
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cpython
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Modules
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_testcapi
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file.c
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// clinic/file.c.h uses internal pycore_modsupport.h API
#define
PYTESTCAPI_NEED_INTERNAL_API
#include
"parts.h"
#include
"util.h"
#include
"clinic/file.c.h"
/*[clinic input]
module _testcapi
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=6361033e795369fc]*/
/*[clinic input]
_testcapi.pyfile_newstdprinter
fd: int
/
[clinic start generated code]*/
static
PyObject
*
_testcapi_pyfile_newstdprinter_impl
(
PyObject
*
module
,
int
fd
)
/*[clinic end generated code: output=8a2d1c57b6892db3 input=442f1824142262ea]*/
{
return
PyFile_NewStdPrinter
(
fd
);
}
/*[clinic input]
_testcapi.py_fopen
path: object
mode: str(zeroes=True, accept={robuffer, str, NoneType})
/
Call Py_fopen(), fread(256) and Py_fclose(). Return read bytes.
[clinic start generated code]*/
static
PyObject
*
_testcapi_py_fopen_impl
(
PyObject
*
module
,
PyObject
*
path
,
const
char
*
mode
,
Py_ssize_t
mode_length
)
/*[clinic end generated code: output=69840d0cfd8b7fbb input=f3a579dd7eb60926]*/
{
NULLABLE
(
path
);
FILE
*
fp
=
Py_fopen
(
path
,
mode
);
if
(
fp
==
NULL
) {
return
NULL
;
}
char
buffer
[
256
];
size_t
size
=
fread
(
buffer
,
1
,
Py_ARRAY_LENGTH
(
buffer
),
fp
);
Py_fclose
(
fp
);
return
PyBytes_FromStringAndSize
(
buffer
,
size
);
}
/*[clinic input]
_testcapi.py_universalnewlinefgets
file: object
size: int
/
Read a line from a file using Py_UniversalNewlineFgets.
[clinic start generated code]*/
static
PyObject
*
_testcapi_py_universalnewlinefgets_impl
(
PyObject
*
module
,
PyObject
*
file
,
int
size
)
/*[clinic end generated code: output=2ce1bc76c9dc871c input=02c236049d18569a]*/
{
FILE
*
fp
=
Py_fopen
(
file
,
"rb"
);
if
(
fp
==
NULL
) {
return
NULL
;
}
char
*
buf
=
(
char
*
)
PyMem_Malloc
(
size
);
if
(
buf
==
NULL
) {
Py_fclose
(
fp
);
return
PyErr_NoMemory
();
}
char
*
result
=
Py_UniversalNewlineFgets
(
buf
,
size
,
fp
,
NULL
);
if
(
result
==
NULL
) {
PyMem_Free
(
buf
);
Py_fclose
(
fp
);
Py_RETURN_NONE
;
}
PyObject
*
line
=
PyBytes_FromString
(
result
);
PyMem_Free
(
buf
);
Py_fclose
(
fp
);
return
line
;
}
static
PyMethodDef
test_methods
[]
=
{
_TESTCAPI_PYFILE_NEWSTDPRINTER_METHODDEF
_TESTCAPI_PY_FOPEN_METHODDEF
_TESTCAPI_PY_UNIVERSALNEWLINEFGETS_METHODDEF
{
NULL
},
};
int
_PyTestCapi_Init_File
(
PyObject
*
m
)
{
return
PyModule_AddFunctions
(
m
,
test_methods
);
}
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