/* | |
An implementation of the new I/O lib as defined by PEP 3116 - "New I/O" | |
Classes defined here: UnsupportedOperation, BlockingIOError. | |
Functions defined here: open(). | |
Mostly written by Amaury Forgeot d'Arc | |
*/ | |
#define PY_SSIZE_T_CLEAN | |
#include "Python.h" | |
#include "structmember.h" | |
#include "_iomodule.h" | |
#ifdef HAVE_SYS_TYPES_H | |
#include <sys/types.h> | |
#endif /* HAVE_SYS_TYPES_H */ | |
#ifdef HAVE_SYS_STAT_H | |
#include <sys/stat.h> | |
#endif /* HAVE_SYS_STAT_H */ | |
/* Various interned strings */ | |
PyObject *_PyIO_str_close; | |
PyObject *_PyIO_str_closed; | |
PyObject *_PyIO_str_decode; | |
PyObject *_PyIO_str_encode; | |
PyObject *_PyIO_str_fileno; | |
PyObject *_PyIO_str_flush; | |
PyObject *_PyIO_str_getstate; | |
PyObject *_PyIO_str_isatty; | |
PyObject *_PyIO_str_newlines; | |
PyObject *_PyIO_str_nl; | |
PyObject *_PyIO_str_read; | |
PyObject *_PyIO_str_read1; | |
PyObject *_PyIO_str_readable; | |
PyObject *_PyIO_str_readinto; | |
PyObject *_PyIO_str_readline; | |
PyObject *_PyIO_str_reset; | |
PyObject *_PyIO_str_seek; | |
PyObject *_PyIO_str_seekable; | |
PyObject *_PyIO_str_setstate; | |
PyObject *_PyIO_str_tell; | |
PyObject *_PyIO_str_truncate; | |
PyObject *_PyIO_str_writable; | |
PyObject *_PyIO_str_write; | |
PyObject *_PyIO_empty_str; | |
PyObject *_PyIO_empty_bytes; | |
PyObject *_PyIO_zero; | |
PyDoc_STRVAR(module_doc, | |
"The io module provides the Python interfaces to stream handling. The\n" | |
"builtin open function is defined in this module.\n" | |
"\n" | |
"At the top of the I/O hierarchy is the abstract base class IOBase. It\n" | |
"defines the basic interface to a stream. Note, however, that there is no\n" | |
"seperation between reading and writing to streams; implementations are\n" | |
"allowed to throw an IOError if they do not support a given operation.\n" | |
"\n" | |
"Extending IOBase is RawIOBase which deals simply with the reading and\n" | |
"writing of raw bytes to a stream. FileIO subclasses RawIOBase to provide\n" | |
"an interface to OS files.\n" | |
"\n" | |
"BufferedIOBase deals with buffering on a raw byte stream (RawIOBase). Its\n" | |
"subclasses, BufferedWriter, BufferedReader, and BufferedRWPair buffer\n" | |
"streams that are readable, writable, and both respectively.\n" | |
"BufferedRandom provides a buffered interface to random access\n" | |
"streams. BytesIO is a simple stream of in-memory bytes.\n" | |
"\n" | |
"Another IOBase subclass, TextIOBase, deals with the encoding and decoding\n" | |
"of streams into text. TextIOWrapper, which extends it, is a buffered text\n" | |
"interface to a buffered raw stream (`BufferedIOBase`). Finally, StringIO\n" | |
"is a in-memory stream for text.\n" | |
"\n" | |
"Argument names are not part of the specification, and only the arguments\n" | |
"of open() are intended to be used as keyword arguments.\n" | |
"\n" | |
"data:\n" | |
"\n" | |
"DEFAULT_BUFFER_SIZE\n" | |
"\n" | |
" An int containing the default buffer size used by the module's buffered\n" | |
" I/O classes. open() uses the file's blksize (as obtained by os.stat) if\n" | |
" possible.\n" | |
); | |
/* | |
* BlockingIOError extends IOError | |
*/ | |
static int | |
blockingioerror_init(PyBlockingIOErrorObject *self, PyObject *args, | |
PyObject *kwds) | |
{ | |
PyObject *myerrno = NULL, *strerror = NULL; | |
PyObject *baseargs = NULL; | |
Py_ssize_t written = 0; | |
assert(PyTuple_Check(args)); | |
self->written = 0; | |
if (!PyArg_ParseTuple(args, "OO|n:BlockingIOError", | |
&myerrno, &strerror, &written)) | |
return -1; | |
baseargs = PyTuple_Pack(2, myerrno, strerror); | |
if (baseargs == NULL) | |
return -1; | |
/* This will take care of initializing of myerrno and strerror members */ | |
if (((PyTypeObject *)PyExc_IOError)->tp_init( | |
(PyObject *)self, baseargs, kwds) == -1) { | |
Py_DECREF(baseargs); | |
return -1; | |
} | |
Py_DECREF(baseargs); | |
self->written = written; | |
return 0; | |
} | |
static PyMemberDef blockingioerror_members[] = { | |
{"characters_written", T_PYSSIZET, offsetof(PyBlockingIOErrorObject, written), 0}, | |
{NULL} /* Sentinel */ | |
}; | |
static PyTypeObject _PyExc_BlockingIOError = { | |
PyVarObject_HEAD_INIT(NULL, 0) | |
"BlockingIOError", /*tp_name*/ | |
sizeof(PyBlockingIOErrorObject), /*tp_basicsize*/ | |
0, /*tp_itemsize*/ | |
0, /*tp_dealloc*/ | |
0, /*tp_print*/ | |
0, /*tp_getattr*/ | |
0, /*tp_setattr*/ | |
0, /*tp_compare */ | |
0, /*tp_repr*/ | |
0, /*tp_as_number*/ | |
0, /*tp_as_sequence*/ | |
0, /*tp_as_mapping*/ | |
0, /*tp_hash */ | |
0, /*tp_call*/ | |
0, /*tp_str*/ | |
0, /*tp_getattro*/ | |
0, /*tp_setattro*/ | |
0, /*tp_as_buffer*/ | |
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ | |
PyDoc_STR("Exception raised when I/O would block " | |
"on a non-blocking I/O stream"), /* tp_doc */ | |
0, /* tp_traverse */ | |
0, /* tp_clear */ | |
0, /* tp_richcompare */ | |
0, /* tp_weaklistoffset */ | |
0, /* tp_iter */ | |
0, /* tp_iternext */ | |
0, /* tp_methods */ | |
blockingioerror_members, /* tp_members */ | |
0, /* tp_getset */ | |
0, /* tp_base */ | |
0, /* tp_dict */ | |
0, /* tp_descr_get */ | |
0, /* tp_descr_set */ | |
0, /* tp_dictoffset */ | |
(initproc)blockingioerror_init, /* tp_init */ | |
0, /* tp_alloc */ | |
0, /* tp_new */ | |
}; | |
PyObject *PyExc_BlockingIOError = (PyObject *)&_PyExc_BlockingIOError; | |
/* | |
* The main open() function | |
*/ | |
PyDoc_STRVAR(open_doc, | |
"Open file and return a stream. Raise IOError upon failure.\n" | |
"\n" | |
"file is either a text or byte string giving the name (and the path\n" | |
"if the file isn't in the current working directory) of the file to\n" | |
"be opened or an integer file descriptor of the file to be\n" | |
"wrapped. (If a file descriptor is given, it is closed when the\n" | |
"returned I/O object is closed, unless closefd is set to False.)\n" | |
"\n" | |
"mode is an optional string that specifies the mode in which the file\n" | |
"is opened. It defaults to 'r' which means open for reading in text\n" | |
"mode. Other common values are 'w' for writing (truncating the file if\n" | |
"it already exists), and 'a' for appending (which on some Unix systems,\n" | |
"means that all writes append to the end of the file regardless of the\n" | |
"current seek position). In text mode, if encoding is not specified the\n" | |
"encoding used is platform dependent. (For reading and writing raw\n" | |
"bytes use binary mode and leave encoding unspecified.) The available\n" | |
"modes are:\n" | |
"\n" | |
"========= ===============================================================\n" | |
"Character Meaning\n" | |
"--------- ---------------------------------------------------------------\n" | |
"'r' open for reading (default)\n" | |
"'w' open for writing, truncating the file first\n" | |
"'a' open for writing, appending to the end of the file if it exists\n" | |
"'b' binary mode\n" | |
"'t' text mode (default)\n" | |
"'+' open a disk file for updating (reading and writing)\n" | |
"'U' universal newline mode (for backwards compatibility; unneeded\n" | |
" for new code)\n" | |
"========= ===============================================================\n" | |
"\n" | |
"The default mode is 'rt' (open for reading text). For binary random\n" | |
"access, the mode 'w+b' opens and truncates the file to 0 bytes, while\n" | |
"'r+b' opens the file without truncation.\n" | |
"\n" | |
"Python distinguishes between files opened in binary and text modes,\n" | |
"even when the underlying operating system doesn't. Files opened in\n" | |
"binary mode (appending 'b' to the mode argument) return contents as\n" | |
"bytes objects without any decoding. In text mode (the default, or when\n" | |
"'t' is appended to the mode argument), the contents of the file are\n" | |
"returned as strings, the bytes having been first decoded using a\n" | |
"platform-dependent encoding or using the specified encoding if given.\n" | |
"\n" | |
"buffering is an optional integer used to set the buffering policy.\n" | |
"Pass 0 to switch buffering off (only allowed in binary mode), 1 to select\n" | |
"line buffering (only usable in text mode), and an integer > 1 to indicate\n" | |
"the size of a fixed-size chunk buffer. When no buffering argument is\n" | |
"given, the default buffering policy works as follows:\n" | |
"\n" | |
"* Binary files are buffered in fixed-size chunks; the size of the buffer\n" | |
" is chosen using a heuristic trying to determine the underlying device's\n" | |
" \"block size\" and falling back on `io.DEFAULT_BUFFER_SIZE`.\n" | |
" On many systems, the buffer will typically be 4096 or 8192 bytes long.\n" | |
"\n" | |
"* \"Interactive\" text files (files for which isatty() returns True)\n" | |
" use line buffering. Other text files use the policy described above\n" | |
" for binary files.\n" | |
"\n" | |
"encoding is the name of the encoding used to decode or encode the\n" | |
"file. This should only be used in text mode. The default encoding is\n" | |
"platform dependent, but any encoding supported by Python can be\n" | |
"passed. See the codecs module for the list of supported encodings.\n" | |
"\n" | |
"errors is an optional string that specifies how encoding errors are to\n" | |
"be handled---this argument should not be used in binary mode. Pass\n" | |
"'strict' to raise a ValueError exception if there is an encoding error\n" | |
"(the default of None has the same effect), or pass 'ignore' to ignore\n" | |
"errors. (Note that ignoring encoding errors can lead to data loss.)\n" | |
"See the documentation for codecs.register for a list of the permitted\n" | |
"encoding error strings.\n" | |
"\n" | |
"newline controls how universal newlines works (it only applies to text\n" | |
"mode). It can be None, '', '\\n', '\\r', and '\\r\\n'. It works as\n" | |
"follows:\n" | |
"\n" | |
"* On input, if newline is None, universal newlines mode is\n" | |
" enabled. Lines in the input can end in '\\n', '\\r', or '\\r\\n', and\n" | |
" these are translated into '\\n' before being returned to the\n" | |
" caller. If it is '', universal newline mode is enabled, but line\n" | |
" endings are returned to the caller untranslated. If it has any of\n" | |
" the other legal values, input lines are only terminated by the given\n" | |
" string, and the line ending is returned to the caller untranslated.\n" | |
"\n" | |
"* On output, if newline is None, any '\\n' characters written are\n" | |
" translated to the system default line separator, os.linesep. If\n" | |
" newline is '', no translation takes place. If newline is any of the\n" | |
" other legal values, any '\\n' characters written are translated to\n" | |
" the given string.\n" | |
"\n" | |
"If closefd is False, the underlying file descriptor will be kept open\n" | |
"when the file is closed. This does not work when a file name is given\n" | |
"and must be True in that case.\n" | |
"\n" | |
"open() returns a file object whose type depends on the mode, and\n" | |
"through which the standard file operations such as reading and writing\n" | |
"are performed. When open() is used to open a file in a text mode ('w',\n" | |
"'r', 'wt', 'rt', etc.), it returns a TextIOWrapper. When used to open\n" | |
"a file in a binary mode, the returned class varies: in read binary\n" | |
"mode, it returns a BufferedReader; in write binary and append binary\n" | |
"modes, it returns a BufferedWriter, and in read/write mode, it returns\n" | |
"a BufferedRandom.\n" | |
"\n" | |
"It is also possible to use a string or bytearray as a file for both\n" | |
"reading and writing. For strings StringIO can be used like a file\n" | |
"opened in a text mode, and for bytes a BytesIO can be used like a file\n" | |
"opened in a binary mode.\n" | |
); | |
static PyObject * | |
io_open(PyObject *self, PyObject *args, PyObject *kwds) | |
{ | |
char *kwlist[] = {"file", "mode", "buffering", | |
"encoding", "errors", "newline", | |
"closefd", NULL}; | |
PyObject *file; | |
char *mode = "r"; | |
int buffering = -1, closefd = 1; | |
char *encoding = NULL, *errors = NULL, *newline = NULL; | |
unsigned i; | |
int reading = 0, writing = 0, appending = 0, updating = 0; | |
int text = 0, binary = 0, universal = 0; | |
char rawmode[5], *m; | |
int line_buffering, isatty; | |
PyObject *raw, *modeobj = NULL, *buffer = NULL, *wrapper = NULL; | |
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|sizzzi:open", kwlist, | |
&file, &mode, &buffering, | |
&encoding, &errors, &newline, | |
&closefd)) { | |
return NULL; | |
} | |
if (!PyUnicode_Check(file) && | |
!PyBytes_Check(file) && | |
!PyNumber_Check(file)) { | |
PyObject *repr = PyObject_Repr(file); | |
if (repr != NULL) { | |
PyErr_Format(PyExc_TypeError, "invalid file: %s", | |
PyString_AS_STRING(repr)); | |
Py_DECREF(repr); | |
} | |
return NULL; | |
} | |
/* Decode mode */ | |
for (i = 0; i < strlen(mode); i++) { | |
char c = mode[i]; | |
switch (c) { | |
case 'r': | |
reading = 1; | |
break; | |
case 'w': | |
writing = 1; | |
break; | |
case 'a': | |
appending = 1; | |
break; | |
case '+': | |
updating = 1; | |
break; | |
case 't': | |
text = 1; | |
break; | |
case 'b': | |
binary = 1; | |
break; | |
case 'U': | |
universal = 1; | |
reading = 1; | |
break; | |
default: | |
goto invalid_mode; | |
} | |
/* c must not be duplicated */ | |
if (strchr(mode+i+1, c)) { | |
invalid_mode: | |
PyErr_Format(PyExc_ValueError, "invalid mode: '%s'", mode); | |
return NULL; | |
} | |
} | |
m = rawmode; | |
if (reading) *(m++) = 'r'; | |
if (writing) *(m++) = 'w'; | |
if (appending) *(m++) = 'a'; | |
if (updating) *(m++) = '+'; | |
*m = '\0'; | |
/* Parameters validation */ | |
if (universal) { | |
if (writing || appending) { | |
PyErr_SetString(PyExc_ValueError, | |
"can't use U and writing mode at once"); | |
return NULL; | |
} | |
reading = 1; | |
} | |
if (text && binary) { | |
PyErr_SetString(PyExc_ValueError, | |
"can't have text and binary mode at once"); | |
return NULL; | |
} | |
if (reading + writing + appending > 1) { | |
PyErr_SetString(PyExc_ValueError, | |
"must have exactly one of read/write/append mode"); | |
return NULL; | |
} | |
if (binary && encoding != NULL) { | |
PyErr_SetString(PyExc_ValueError, | |
"binary mode doesn't take an encoding argument"); | |
return NULL; | |
} | |
if (binary && errors != NULL) { | |
PyErr_SetString(PyExc_ValueError, | |
"binary mode doesn't take an errors argument"); | |
return NULL; | |
} | |
if (binary && newline != NULL) { | |
PyErr_SetString(PyExc_ValueError, | |
"binary mode doesn't take a newline argument"); | |
return NULL; | |
} | |
/* Create the Raw file stream */ | |
raw = PyObject_CallFunction((PyObject *)&PyFileIO_Type, | |
"Osi", file, rawmode, closefd); | |
if (raw == NULL) | |
return NULL; | |
modeobj = PyUnicode_FromString(mode); | |
if (modeobj == NULL) | |
goto error; | |
/* buffering */ | |
{ | |
PyObject *res = PyObject_CallMethod(raw, "isatty", NULL); | |
if (res == NULL) | |
goto error; | |
isatty = PyLong_AsLong(res); | |
Py_DECREF(res); | |
if (isatty == -1 && PyErr_Occurred()) | |
goto error; | |
} | |
if (buffering == 1 || (buffering < 0 && isatty)) { | |
buffering = -1; | |
line_buffering = 1; | |
} | |
else | |
line_buffering = 0; | |
if (buffering < 0) { | |
buffering = DEFAULT_BUFFER_SIZE; | |
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE | |
{ | |
struct stat st; | |
long fileno; | |
PyObject *res = PyObject_CallMethod(raw, "fileno", NULL); | |
if (res == NULL) | |
goto error; | |
fileno = PyInt_AsLong(res); | |
Py_DECREF(res); | |
if (fileno == -1 && PyErr_Occurred()) | |
goto error; | |
if (fstat(fileno, &st) >= 0 && st.st_blksize > 1) | |
buffering = st.st_blksize; | |
} | |
#endif | |
} | |
if (buffering < 0) { | |
PyErr_SetString(PyExc_ValueError, | |
"invalid buffering size"); | |
goto error; | |
} | |
/* if not buffering, returns the raw file object */ | |
if (buffering == 0) { | |
if (!binary) { | |
PyErr_SetString(PyExc_ValueError, | |
"can't have unbuffered text I/O"); | |
goto error; | |
} | |
Py_DECREF(modeobj); | |
return raw; | |
} | |
/* wraps into a buffered file */ | |
{ | |
PyObject *Buffered_class; | |
if (updating) | |
Buffered_class = (PyObject *)&PyBufferedRandom_Type; | |
else if (writing || appending) | |
Buffered_class = (PyObject *)&PyBufferedWriter_Type; | |
else if (reading) | |
Buffered_class = (PyObject *)&PyBufferedReader_Type; | |
else { | |
PyErr_Format(PyExc_ValueError, | |
"unknown mode: '%s'", mode); | |
goto error; | |
} | |
buffer = PyObject_CallFunction(Buffered_class, "Oi", raw, buffering); | |
} | |
Py_CLEAR(raw); | |
if (buffer == NULL) | |
goto error; | |
/* if binary, returns the buffered file */ | |
if (binary) { | |
Py_DECREF(modeobj); | |
return buffer; | |
} | |
/* wraps into a TextIOWrapper */ | |
wrapper = PyObject_CallFunction((PyObject *)&PyTextIOWrapper_Type, | |
"Osssi", | |
buffer, | |
encoding, errors, newline, | |
line_buffering); | |
Py_CLEAR(buffer); | |
if (wrapper == NULL) | |
goto error; | |
if (PyObject_SetAttrString(wrapper, "mode", modeobj) < 0) | |
goto error; | |
Py_DECREF(modeobj); | |
return wrapper; | |
error: | |
Py_XDECREF(raw); | |
Py_XDECREF(modeobj); | |
Py_XDECREF(buffer); | |
Py_XDECREF(wrapper); | |
return NULL; | |
} | |
/* | |
* Private helpers for the io module. | |
*/ | |
Py_off_t | |
PyNumber_AsOff_t(PyObject *item, PyObject *err) | |
{ | |
Py_off_t result; | |
PyObject *runerr; | |
PyObject *value = PyNumber_Index(item); | |
if (value == NULL) | |
return -1; | |
if (PyInt_Check(value)) { | |
/* We assume a long always fits in a Py_off_t... */ | |
result = (Py_off_t) PyInt_AS_LONG(value); | |
goto finish; | |
} | |
/* We're done if PyLong_AsSsize_t() returns without error. */ | |
result = PyLong_AsOff_t(value); | |
if (result != -1 || !(runerr = PyErr_Occurred())) | |
goto finish; | |
/* Error handling code -- only manage OverflowError differently */ | |
if (!PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) | |
goto finish; | |
PyErr_Clear(); | |
/* If no error-handling desired then the default clipping | |
is sufficient. | |
*/ | |
if (!err) { | |
assert(PyLong_Check(value)); | |
/* Whether or not it is less than or equal to | |
zero is determined by the sign of ob_size | |
*/ | |
if (_PyLong_Sign(value) < 0) | |
result = PY_OFF_T_MIN; | |
else | |
result = PY_OFF_T_MAX; | |
} | |
else { | |
/* Otherwise replace the error with caller's error object. */ | |
PyErr_Format(err, | |
"cannot fit '%.200s' into an offset-sized integer", | |
item->ob_type->tp_name); | |
} | |
finish: | |
Py_DECREF(value); | |
return result; | |
} | |
/* Basically the "n" format code with the ability to turn None into -1. */ | |
int | |
_PyIO_ConvertSsize_t(PyObject *obj, void *result) { | |
Py_ssize_t limit; | |
if (obj == Py_None) { | |
limit = -1; | |
} | |
else if (PyNumber_Check(obj)) { | |
limit = PyNumber_AsSsize_t(obj, PyExc_OverflowError); | |
if (limit == -1 && PyErr_Occurred()) | |
return 0; | |
} | |
else { | |
PyErr_Format(PyExc_TypeError, | |
"integer argument expected, got '%.200s'", | |
Py_TYPE(obj)->tp_name); | |
return 0; | |
} | |
*((Py_ssize_t *)result) = limit; | |
return 1; | |
} | |
/* | |
* Module definition | |
*/ | |
PyObject *_PyIO_os_module = NULL; | |
PyObject *_PyIO_locale_module = NULL; | |
PyObject *_PyIO_unsupported_operation = NULL; | |
static PyMethodDef module_methods[] = { | |
{"open", (PyCFunction)io_open, METH_VARARGS|METH_KEYWORDS, open_doc}, | |
{NULL, NULL} | |
}; | |
PyMODINIT_FUNC | |
init_io(void) | |
{ | |
PyObject *m = Py_InitModule4("_io", module_methods, | |
module_doc, NULL, PYTHON_API_VERSION); | |
if (m == NULL) | |
return; | |
/* put os in the module state */ | |
_PyIO_os_module = PyImport_ImportModule("os"); | |
if (_PyIO_os_module == NULL) | |
goto fail; | |
#define ADD_TYPE(type, name) \ | |
if (PyType_Ready(type) < 0) \ | |
goto fail; \ | |
Py_INCREF(type); \ | |
if (PyModule_AddObject(m, name, (PyObject *)type) < 0) { \ | |
Py_DECREF(type); \ | |
goto fail; \ | |
} | |
/* DEFAULT_BUFFER_SIZE */ | |
if (PyModule_AddIntMacro(m, DEFAULT_BUFFER_SIZE) < 0) | |
goto fail; | |
/* UnsupportedOperation inherits from ValueError and IOError */ | |
_PyIO_unsupported_operation = PyObject_CallFunction( | |
(PyObject *)&PyType_Type, "s(OO){}", | |
"UnsupportedOperation", PyExc_ValueError, PyExc_IOError); | |
if (_PyIO_unsupported_operation == NULL) | |
goto fail; | |
Py_INCREF(_PyIO_unsupported_operation); | |
if (PyModule_AddObject(m, "UnsupportedOperation", | |
_PyIO_unsupported_operation) < 0) | |
goto fail; | |
/* BlockingIOError */ | |
_PyExc_BlockingIOError.tp_base = (PyTypeObject *) PyExc_IOError; | |
ADD_TYPE(&_PyExc_BlockingIOError, "BlockingIOError"); | |
/* Concrete base types of the IO ABCs. | |
(the ABCs themselves are declared through inheritance in io.py) | |
*/ | |
ADD_TYPE(&PyIOBase_Type, "_IOBase"); | |
ADD_TYPE(&PyRawIOBase_Type, "_RawIOBase"); | |
ADD_TYPE(&PyBufferedIOBase_Type, "_BufferedIOBase"); | |
ADD_TYPE(&PyTextIOBase_Type, "_TextIOBase"); | |
/* Implementation of concrete IO objects. */ | |
/* FileIO */ | |
PyFileIO_Type.tp_base = &PyRawIOBase_Type; | |
ADD_TYPE(&PyFileIO_Type, "FileIO"); | |
/* BytesIO */ | |
PyBytesIO_Type.tp_base = &PyBufferedIOBase_Type; | |
ADD_TYPE(&PyBytesIO_Type, "BytesIO"); | |
/* StringIO */ | |
PyStringIO_Type.tp_base = &PyTextIOBase_Type; | |
ADD_TYPE(&PyStringIO_Type, "StringIO"); | |
/* BufferedReader */ | |
PyBufferedReader_Type.tp_base = &PyBufferedIOBase_Type; | |
ADD_TYPE(&PyBufferedReader_Type, "BufferedReader"); | |
/* BufferedWriter */ | |
PyBufferedWriter_Type.tp_base = &PyBufferedIOBase_Type; | |
ADD_TYPE(&PyBufferedWriter_Type, "BufferedWriter"); | |
/* BufferedRWPair */ | |
PyBufferedRWPair_Type.tp_base = &PyBufferedIOBase_Type; | |
ADD_TYPE(&PyBufferedRWPair_Type, "BufferedRWPair"); | |
/* BufferedRandom */ | |
PyBufferedRandom_Type.tp_base = &PyBufferedIOBase_Type; | |
ADD_TYPE(&PyBufferedRandom_Type, "BufferedRandom"); | |
/* TextIOWrapper */ | |
PyTextIOWrapper_Type.tp_base = &PyTextIOBase_Type; | |
ADD_TYPE(&PyTextIOWrapper_Type, "TextIOWrapper"); | |
/* IncrementalNewlineDecoder */ | |
ADD_TYPE(&PyIncrementalNewlineDecoder_Type, "IncrementalNewlineDecoder"); | |
/* Interned strings */ | |
if (!(_PyIO_str_close = PyString_InternFromString("close"))) | |
goto fail; | |
if (!(_PyIO_str_closed = PyString_InternFromString("closed"))) | |
goto fail; | |
if (!(_PyIO_str_decode = PyString_InternFromString("decode"))) | |
goto fail; | |
if (!(_PyIO_str_encode = PyString_InternFromString("encode"))) | |
goto fail; | |
if (!(_PyIO_str_fileno = PyString_InternFromString("fileno"))) | |
goto fail; | |
if (!(_PyIO_str_flush = PyString_InternFromString("flush"))) | |
goto fail; | |
if (!(_PyIO_str_getstate = PyString_InternFromString("getstate"))) | |
goto fail; | |
if (!(_PyIO_str_isatty = PyString_InternFromString("isatty"))) | |
goto fail; | |
if (!(_PyIO_str_newlines = PyString_InternFromString("newlines"))) | |
goto fail; | |
if (!(_PyIO_str_nl = PyString_InternFromString("\n"))) | |
goto fail; | |
if (!(_PyIO_str_read = PyString_InternFromString("read"))) | |
goto fail; | |
if (!(_PyIO_str_read1 = PyString_InternFromString("read1"))) | |
goto fail; | |
if (!(_PyIO_str_readable = PyString_InternFromString("readable"))) | |
goto fail; | |
if (!(_PyIO_str_readinto = PyString_InternFromString("readinto"))) | |
goto fail; | |
if (!(_PyIO_str_readline = PyString_InternFromString("readline"))) | |
goto fail; | |
if (!(_PyIO_str_reset = PyString_InternFromString("reset"))) | |
goto fail; | |
if (!(_PyIO_str_seek = PyString_InternFromString("seek"))) | |
goto fail; | |
if (!(_PyIO_str_seekable = PyString_InternFromString("seekable"))) | |
goto fail; | |
if (!(_PyIO_str_setstate = PyString_InternFromString("setstate"))) | |
goto fail; | |
if (!(_PyIO_str_tell = PyString_InternFromString("tell"))) | |
goto fail; | |
if (!(_PyIO_str_truncate = PyString_InternFromString("truncate"))) | |
goto fail; | |
if (!(_PyIO_str_write = PyString_InternFromString("write"))) | |
goto fail; | |
if (!(_PyIO_str_writable = PyString_InternFromString("writable"))) | |
goto fail; | |
if (!(_PyIO_empty_str = PyUnicode_FromStringAndSize(NULL, 0))) | |
goto fail; | |
if (!(_PyIO_empty_bytes = PyBytes_FromStringAndSize(NULL, 0))) | |
goto fail; | |
if (!(_PyIO_zero = PyLong_FromLong(0L))) | |
goto fail; | |
return; | |
fail: | |
Py_CLEAR(_PyIO_os_module); | |
Py_CLEAR(_PyIO_unsupported_operation); | |
Py_DECREF(m); | |
} |