cpython-lru_cache-weakref: Modules/cStringIO.c annotate

annotate Modules/cStringIO.c @ 29500:aa84ede1c364 legacy-trunk

Add item about new threading module functions.

author	Jeremy Hylton <jeremy@alum.mit.edu>
date	Mon, 16 Jun 2003 20:38:15 +0000
parents	0ea5991f6edb
children	06016d5d81d7

rev	line source
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	1
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	2 #include "Python.h"
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	3 #include "import.h"
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	4 #include "cStringIO.h"
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	5 #include "structmember.h"
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	6
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	7 PyDoc_STRVAR(cStringIO_module_documentation,
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	8 "A simple fast partial StringIO replacement.\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	9 "\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	10 "This module provides a simple useful replacement for\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	11 "the StringIO module that is written in C. It does not provide the\n"
12959 2513cd74147c Fixed docstring typo, reported by Skip Montanaro <skip@mojam.com>. Fred Drake <fdrake@acm.org> parents: 12576 diff changeset	12 "full generality of StringIO, but it provides enough for most\n"
13620 5b727ab37092 Spelling fixes supplied by Rob W. W. Hooft. All these are fixes in either Thomas Wouters <thomas@python.org> parents: 13576 diff changeset	13 "applications and is especially useful in conjunction with the\n"
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	14 "pickle module.\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	15 "\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	16 "Usage:\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	17 "\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	18 " from cStringIO import StringIO\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	19 "\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	20 " an_output_stream=StringIO()\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	21 " an_output_stream.write(some_stuff)\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	22 " ...\n"
22218 5440e4b17aff backport jhylton's checkin of Michael W. Hudson <mwh@python.net> parents: 21313 diff changeset	23 " value=an_output_stream.getvalue()\n"
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	24 "\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	25 " an_input_stream=StringIO(a_string)\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	26 " spam=an_input_stream.readline()\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	27 " spam=an_input_stream.read(5)\n"
9521 0f27257fb6cf New version from Jim Fulton: Guido van Rossum <guido@python.org> parents: 8741 diff changeset	28 " an_input_stream.seek(0) # OK, start over\n"
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	29 " spam=an_input_stream.read() # and read it all\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	30 " \n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	31 "If someone else wants to provide a more complete implementation,\n"
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	32 "go for it. :-) \n"
5991 a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	33 "\n"
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	34 "cStringIO.c,v 1.29 1999/06/15 14:10:27 jim Exp\n");
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	35
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	36 #define UNLESS(E) if (!(E))
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	37
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	38
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	39 /* Declaration for file-like objects that manage data as strings
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	40
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	41 The IOobject type should be though of as a common base type for
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	42 Iobjects, which provide input (read-only) StringIO objects and
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	43 Oobjects, which provide read-write objects. Most of the methods
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	44 depend only on common data.
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	45 */
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	46
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	47 typedef struct {
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	48 PyObject_HEAD
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	49 char *buf;
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	50 int pos, string_size;
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	51 } IOobject;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	52
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	53 #define IOOOBJECT(O) ((IOobject*)(O))
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	54
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	55 /* Declarations for objects of type StringO */
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	56
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	57 typedef struct { /* Subtype of IOobject */
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	58 PyObject_HEAD
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	59 char *buf;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	60 int pos, string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	61
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	62 int buf_size, softspace;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	63 } Oobject;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	64
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	65 /* Declarations for objects of type StringI */
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	66
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	67 typedef struct { /* Subtype of IOobject */
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	68 PyObject_HEAD
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	69 char *buf;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	70 int pos, string_size;
20060 ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on Marc-André Lemburg <mal@egenix.com> parents: 20033 diff changeset	71 /* We store a reference to the object here in order to keep
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on Marc-André Lemburg <mal@egenix.com> parents: 20033 diff changeset	72 the buffer alive during the lifetime of the Iobject. */
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	73 PyObject *pbuf;
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	74 } Iobject;
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	75
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	76 /* IOobject (common) methods */
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	77
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	78 PyDoc_STRVAR(IO_flush__doc__, "flush(): does nothing.");
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	79
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	80 static int
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	81 IO__opencheck(IOobject *self) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	82 UNLESS (self->buf) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	83 PyErr_SetString(PyExc_ValueError,
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	84 "I/O operation on closed file");
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	85 return 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	86 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	87 return 1;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	88 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	89
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	90 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	91 IO_flush(IOobject self, PyObject unused) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	92
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	93 UNLESS (IO__opencheck(self)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	94
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	95 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	96 return Py_None;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	97 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	98
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	99 PyDoc_STRVAR(IO_getval__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	100 "getvalue([use_pos]) -- Get the string value."
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	101 "\n"
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	102 "If use_pos is specified and is a true value, then the string returned\n"
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	103 "will include only the text up to the current file position.\n");
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	104
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	105 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	106 IO_cgetval(PyObject *self) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	107 UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	108 return PyString_FromStringAndSize(((IOobject*)self)->buf,
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	109 ((IOobject*)self)->pos);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	110 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	111
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	112 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	113 IO_getval(IOobject self, PyObject args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	114 PyObject *use_pos=Py_None;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	115 int s;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	116
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	117 UNLESS (IO__opencheck(self)) return NULL;
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	118 UNLESS (PyArg_UnpackTuple(args,"getval", 0, 1,&use_pos)) return NULL;
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	119
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	120 if (PyObject_IsTrue(use_pos)) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	121 s=self->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	122 if (s > self->string_size) s=self->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	123 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	124 else
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	125 s=self->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	126 return PyString_FromStringAndSize(self->buf, s);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	127 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	128
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	129 PyDoc_STRVAR(IO_isatty__doc__, "isatty(): always returns 0");
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	130
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	131 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	132 IO_isatty(IOobject self, PyObject unused) {
25087 9a178adb4e2d SF bug 601775 - some int results that should be bool. Guido van Rossum <guido@python.org> parents: 24471 diff changeset	133 Py_INCREF(Py_False);
9a178adb4e2d SF bug 601775 - some int results that should be bool. Guido van Rossum <guido@python.org> parents: 24471 diff changeset	134 return Py_False;
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	135 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	136
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	137 PyDoc_STRVAR(IO_read__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	138 "read([s]) -- Read s characters, or the rest of the string");
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	139
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	140 static int
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	141 IO_cread(PyObject self, char *output, int n) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	142 int l;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	143
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	144 UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	145 l = ((IOobject)self)->string_size - ((IOobject)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	146 if (n < 0 \|\| n > l) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	147 n = l;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	148 if (n < 0) n=0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	149 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	150
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	151 output=((IOobject)self)->buf + ((IOobject*)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	152 ((IOobject*)self)->pos += n;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	153 return n;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	154 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	155
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	156 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	157 IO_read(IOobject self, PyObject args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	158 int n = -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	159 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	160
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	161 UNLESS (PyArg_ParseTuple(args, "\|i:read", &n)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	162
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	163 if ( (n=IO_cread((PyObject*)self,&output,n)) < 0) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	164
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	165 return PyString_FromStringAndSize(output, n);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	166 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	167
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	168 PyDoc_STRVAR(IO_readline__doc__, "readline() -- Read one line");
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	169
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	170 static int
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	171 IO_creadline(PyObject self, char *output) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	172 char n, s;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	173 int l;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	174
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	175 UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	176
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	177 for (n = ((IOobject)self)->buf + ((IOobject)self)->pos,
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	178 s = ((IOobject)self)->buf + ((IOobject)self)->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	179 n < s && *n != '\n'; n++);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	180 if (n < s) n++;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	181
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	182 output=((IOobject)self)->buf + ((IOobject*)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	183 l = n - ((IOobject)self)->buf - ((IOobject)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	184 ((IOobject*)self)->pos += l;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	185 return l;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	186 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	187
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	188 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	189 IO_readline(IOobject self, PyObject args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	190 int n, m=-1;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	191 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	192
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	193 if (args)
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	194 UNLESS (PyArg_ParseTuple(args, "\|i:readline", &m)) return NULL;
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	195
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	196 if( (n=IO_creadline((PyObject*)self,&output)) < 0) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	197 if (m >= 0 && m < n) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	198 m = n - m;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	199 n -= m;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	200 self->pos -= m;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	201 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	202 return PyString_FromStringAndSize(output, n);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	203 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	204
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	205 PyDoc_STRVAR(IO_readlines__doc__, "readlines() -- Read all lines");
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	206
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	207 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	208 IO_readlines(IOobject self, PyObject args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	209 int n;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	210 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	211 PyObject result, line;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	212 int hint = 0, length = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	213
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	214 UNLESS (PyArg_ParseTuple(args, "\|i:readlines", &hint)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	215
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	216 result = PyList_New(0);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	217 if (!result)
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	218 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	219
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	220 while (1){
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	221 if ( (n = IO_creadline((PyObject*)self,&output)) < 0)
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	222 goto err;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	223 if (n == 0)
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	224 break;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	225 line = PyString_FromStringAndSize (output, n);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	226 if (!line)
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	227 goto err;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	228 PyList_Append (result, line);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	229 Py_DECREF (line);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	230 length += n;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	231 if (hint > 0 && length >= hint)
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	232 break;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	233 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	234 return result;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	235 err:
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	236 Py_DECREF(result);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	237 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	238 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	239
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	240 PyDoc_STRVAR(IO_reset__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	241 "reset() -- Reset the file position to the beginning");
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	242
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	243 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	244 IO_reset(IOobject self, PyObject unused) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	245
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	246 UNLESS (IO__opencheck(self)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	247
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	248 self->pos = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	249
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	250 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	251 return Py_None;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	252 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	253
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	254 PyDoc_STRVAR(IO_tell__doc__, "tell() -- get the current position.");
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	255
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	256 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	257 IO_tell(IOobject self, PyObject unused) {
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	258
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	259 UNLESS (IO__opencheck(self)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	260
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	261 return PyInt_FromLong(self->pos);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	262 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	263
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	264 PyDoc_STRVAR(IO_truncate__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	265 "truncate(): truncate the file at the current position.");
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	266
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	267 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	268 IO_truncate(IOobject self, PyObject args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	269 int pos = -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	270
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	271 UNLESS (IO__opencheck(self)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	272 UNLESS (PyArg_ParseTuple(args, "\|i:truncate", &pos)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	273 if (pos < 0) pos = self->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	274
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	275 if (self->string_size > pos) self->string_size = pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	276
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	277 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	278 return Py_None;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	279 }
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	280
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	281 static PyObject *
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	282 IO_iternext(Iobject *self)
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	283 {
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	284 PyObject *next;
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	285 next = IO_readline((IOobject *)self, NULL);
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	286 if (!next)
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	287 return NULL;
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	288 if (!PyString_GET_SIZE(next)) {
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	289 Py_DECREF(next);
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	290 PyErr_SetNone(PyExc_StopIteration);
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	291 return NULL;
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	292 }
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	293 return next;
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	294 }
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	295
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	296
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	297
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	298
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	299 /* Read-write object methods */
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	300
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	301 PyDoc_STRVAR(O_seek__doc__,
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	302 "seek(position) -- set the current position\n"
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	303 "seek(position, mode) -- mode 0: absolute; 1: relative; 2: relative to EOF");
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	304
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	305 static PyObject *
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	306 O_seek(Oobject self, PyObject args) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	307 int position, mode = 0;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	308
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	309 UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	310 UNLESS (PyArg_ParseTuple(args, "i\|i:seek", &position, &mode))
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	311 return NULL;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	312
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	313 if (mode == 2) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	314 position += self->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	315 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	316 else if (mode == 1) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	317 position += self->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	318 }
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	319
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	320 if (position > self->buf_size) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	321 self->buf_size*=2;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	322 if (self->buf_size <= position) self->buf_size=position+1;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	323 UNLESS (self->buf=(char*)
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	324 realloc(self->buf,self->buf_size*sizeof(char))) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	325 self->buf_size=self->pos=0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	326 return PyErr_NoMemory();
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	327 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	328 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	329 else if (position < 0) position=0;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	330
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	331 self->pos=position;
14679 08823099ae62 Implement readlines function. Closes Bug #110686. Martin v. Löwis <martin@v.loewis.de> parents: 13817 diff changeset	332
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	333 while (--position >= self->string_size) self->buf[position]=0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	334
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	335 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	336 return Py_None;
14679 08823099ae62 Implement readlines function. Closes Bug #110686. Martin v. Löwis <martin@v.loewis.de> parents: 13817 diff changeset	337 }
08823099ae62 Implement readlines function. Closes Bug #110686. Martin v. Löwis <martin@v.loewis.de> parents: 13817 diff changeset	338
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	339 PyDoc_STRVAR(O_write__doc__,
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	340 "write(s) -- Write a string to the file"
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	341 "\n\nNote (hack:) writing None resets the buffer");
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	342
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	343
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	344 static int
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	345 O_cwrite(PyObject self, char c, int l) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	346 int newl;
21294 24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	347 Oobject *oself;
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	348
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	349 UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
21294 24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	350 oself = (Oobject *)self;
4906 fce781b127b9 Jim's latest version. Guido van Rossum <guido@python.org> parents: 4598 diff changeset	351
21294 24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	352 newl = oself->pos+l;
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	353 if (newl >= oself->buf_size) {
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	354 oself->buf_size *= 2;
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	355 if (oself->buf_size <= newl)
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	356 oself->buf_size = newl+1;
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	357 UNLESS (oself->buf =
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	358 (char*)realloc(oself->buf,
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	359 (oself->buf_size) * sizeof(char))) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	360 PyErr_SetString(PyExc_MemoryError,"out of memory");
21294 24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	361 oself->buf_size = oself->pos = 0;
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	362 return -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	363 }
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	364 }
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	365
21294 24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	366 memcpy(oself->buf+oself->pos,c,l);
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	367
21294 24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	368 oself->pos += l;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	369
21294 24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	370 if (oself->string_size < oself->pos) {
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	371 oself->string_size = oself->pos;
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject )self Guido van Rossum <guido@python.org>* parents: 20060 diff changeset	372 }
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	373
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	374 return l;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	375 }
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	376
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	377 static PyObject *
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	378 O_write(Oobject self, PyObject args) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	379 char *c;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	380 int l;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	381
23301 5732a9cc91c7 See discussion at SF bug 547537. Guido van Rossum <guido@python.org> parents: 22805 diff changeset	382 UNLESS (PyArg_ParseTuple(args, "t#:write", &c, &l)) return NULL;
5991 a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	383
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	384 if (O_cwrite((PyObject*)self,c,l) < 0) return NULL;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	385
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	386 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	387 return Py_None;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	388 }
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	389
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	390 PyDoc_STRVAR(O_close__doc__, "close(): explicitly release resources held.");
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	391
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	392 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	393 O_close(Oobject self, PyObject unused) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	394 if (self->buf != NULL) free(self->buf);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	395 self->buf = NULL;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	396
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	397 self->pos = self->string_size = self->buf_size = 0;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	398
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	399 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	400 return Py_None;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	401 }
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	402
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	403
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	404 PyDoc_STRVAR(O_writelines__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	405 "writelines(sequence_of_strings): write each string");
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	406 static PyObject *
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	407 O_writelines(Oobject self, PyObject args) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	408 PyObject *tmp = 0;
16546 60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	409 static PyObject *joiner = NULL;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	410
16546 60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	411 if (!joiner) {
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	412 PyObject *empty_string = PyString_FromString("");
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	413 if (empty_string == NULL)
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	414 return NULL;
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	415 joiner = PyObject_GetAttrString(empty_string, "join");
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	416 Py_DECREF(empty_string);
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	417 if (joiner == NULL)
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	418 return NULL;
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	419 }
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	420
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	421 if (PyObject_Size(args) < 0) return NULL;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	422
16546 60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join. Jeremy Hylton <jeremy@alum.mit.edu> parents: 15059 diff changeset	423 tmp = PyObject_CallFunction(joiner, "O", args);
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	424 UNLESS (tmp) return NULL;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	425
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	426 args = Py_BuildValue("(O)", tmp);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	427 Py_DECREF(tmp);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	428 UNLESS (args) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	429
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	430 tmp = O_write(self, args);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	431 Py_DECREF(args);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	432 return tmp;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	433 }
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	434
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	435 static struct PyMethodDef O_methods[] = {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	436 /* Common methods: */
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	437 {"flush", (PyCFunction)IO_flush, METH_NOARGS, IO_flush__doc__},
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	438 {"getvalue", (PyCFunction)IO_getval, METH_VARARGS, IO_getval__doc__},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	439 {"isatty", (PyCFunction)IO_isatty, METH_NOARGS, IO_isatty__doc__},
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	440 {"read", (PyCFunction)IO_read, METH_VARARGS, IO_read__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	441 {"readline", (PyCFunction)IO_readline, METH_VARARGS, IO_readline__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	442 {"readlines", (PyCFunction)IO_readlines,METH_VARARGS, IO_readlines__doc__},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	443 {"reset", (PyCFunction)IO_reset, METH_NOARGS, IO_reset__doc__},
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	444 {"tell", (PyCFunction)IO_tell, METH_NOARGS, IO_tell__doc__},
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	445 {"truncate", (PyCFunction)IO_truncate, METH_VARARGS, IO_truncate__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	446
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	447 /* Read-write StringIO specific methods: */
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	448 {"close", (PyCFunction)O_close, METH_NOARGS, O_close__doc__},
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	449 {"seek", (PyCFunction)O_seek, METH_VARARGS, O_seek__doc__},
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	450 {"write", (PyCFunction)O_write, METH_VARARGS, O_write__doc__},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	451 {"writelines", (PyCFunction)O_writelines, METH_O, O_writelines__doc__},
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	452 {NULL, NULL} /* sentinel */
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	453 };
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	454
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	455 static PyMemberDef O_memberlist[] = {
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	456 {"softspace", T_INT, offsetof(Oobject, softspace), 0,
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	457 "flag indicating that a space needs to be printed; used by print"},
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	458 {NULL} /* Sentinel */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	459 };
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	460
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	461 static void
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	462 O_dealloc(Oobject *self) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	463 if (self->buf != NULL)
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	464 free(self->buf);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	465 PyObject_Del(self);
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	466 }
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	467
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	468 PyDoc_STRVAR(Otype__doc__, "Simple type for output to strings.");
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	469
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	470 static PyTypeObject Otype = {
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	471 PyObject_HEAD_INIT(NULL)
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	472 0, /ob_size/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	473 "cStringIO.StringO", /tp_name/
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	474 sizeof(Oobject), /tp_basicsize/
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	475 0, /tp_itemsize/
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	476 /* methods */
e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	477 (destructor)O_dealloc, /tp_dealloc/
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	478 (printfunc)0, /tp_print/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	479 0, /tp_getattr /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	480 0, /tp_setattr /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	481 (cmpfunc)0, /tp_compare/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	482 (reprfunc)0, /tp_repr/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	483 0, /tp_as_number/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	484 0, /tp_as_sequence/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	485 0, /tp_as_mapping/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	486 (hashfunc)0, /tp_hash/
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	487 (ternaryfunc)0, /tp_call/
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	488 (reprfunc)0, /tp_str/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	489 0, /tp_getattro /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	490 0, /tp_setattro /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	491 0, /tp_as_buffer /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	492 Py_TPFLAGS_DEFAULT, /tp_flags/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	493 Otype__doc__, /tp_doc /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	494 0, /tp_traverse /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	495 0, /tp_clear /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	496 0, /tp_richcompare /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	497 0, /tp_weaklistoffset /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	498 PyObject_SelfIter, /tp_iter /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	499 (iternextfunc)IO_iternext, /tp_iternext /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	500 O_methods, /tp_methods /
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	501 O_memberlist /tp_members /
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	502 };
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	503
5991 a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	504 static PyObject *
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	505 newOobject(int size) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	506 Oobject *self;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	507
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	508 self = PyObject_New(Oobject, &Otype);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	509 if (self == NULL)
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	510 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	511 self->pos=0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	512 self->string_size = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	513 self->softspace = 0;
5991 a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	514
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	515 UNLESS (self->buf=malloc(size*sizeof(char))) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	516 PyErr_SetString(PyExc_MemoryError,"out of memory");
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	517 self->buf_size = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	518 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	519 }
5991 a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	520
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	521 self->buf_size=size;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	522 return (PyObject*)self;
5991 a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	523 }
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	524
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	525 /* End of code for StringO objects */
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	526 /* -------------------------------------------------------- */
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	527
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	528 static PyObject *
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	529 I_close(Iobject self, PyObject unused) {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	530 Py_XDECREF(self->pbuf);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	531 self->pbuf = NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	532 self->buf = NULL;
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	533
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	534 self->pos = self->string_size = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	535
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	536 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	537 return Py_None;
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	538 }
08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	539
08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	540 static PyObject *
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	541 I_seek(Iobject self, PyObject args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	542 int position, mode = 0;
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	543
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	544 UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	545 UNLESS (PyArg_ParseTuple(args, "i\|i:seek", &position, &mode))
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	546 return NULL;
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	547
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	548 if (mode == 2) position += self->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	549 else if (mode == 1) position += self->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	550
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	551 if (position < 0) position=0;
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	552
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	553 self->pos=position;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	554
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	555 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	556 return Py_None;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	557 }
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	558
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	559 static struct PyMethodDef I_methods[] = {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	560 /* Common methods: */
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	561 {"flush", (PyCFunction)IO_flush, METH_NOARGS, IO_flush__doc__},
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	562 {"getvalue", (PyCFunction)IO_getval, METH_VARARGS, IO_getval__doc__},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	563 {"isatty", (PyCFunction)IO_isatty, METH_NOARGS, IO_isatty__doc__},
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	564 {"read", (PyCFunction)IO_read, METH_VARARGS, IO_read__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	565 {"readline", (PyCFunction)IO_readline, METH_VARARGS, IO_readline__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	566 {"readlines", (PyCFunction)IO_readlines,METH_VARARGS, IO_readlines__doc__},
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	567 {"reset", (PyCFunction)IO_reset, METH_NOARGS, IO_reset__doc__},
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	568 {"tell", (PyCFunction)IO_tell, METH_NOARGS, IO_tell__doc__},
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	569 {"truncate", (PyCFunction)IO_truncate, METH_VARARGS, IO_truncate__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	570
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	571 /* Read-only StringIO specific methods: */
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	572 {"close", (PyCFunction)I_close, METH_NOARGS, O_close__doc__},
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	573 {"seek", (PyCFunction)I_seek, METH_VARARGS, O_seek__doc__},
08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	574 {NULL, NULL}
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	575 };
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	576
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	577 static void
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	578 I_dealloc(Iobject *self) {
6215 eb7a01b86f93 Fix the bug Jeremy was experiencing: both the close() and the Guido van Rossum <guido@python.org> parents: 5991 diff changeset	579 Py_XDECREF(self->pbuf);
12576 1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring. Guido van Rossum <guido@python.org> parents: 12385 diff changeset	580 PyObject_Del(self);
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	581 }
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	582
20033 104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	583
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	584 PyDoc_STRVAR(Itype__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	585 "Simple type for treating strings as input file streams");
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	586
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	587 static PyTypeObject Itype = {
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	588 PyObject_HEAD_INIT(NULL)
20033 104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	589 0, /ob_size/
21313 91dd223829c6 Patch supplied by Burton Radons for his own SF bug #487390: Modifying Guido van Rossum <guido@python.org> parents: 21294 diff changeset	590 "cStringIO.StringI", /tp_name/
20033 104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	591 sizeof(Iobject), /tp_basicsize/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	592 0, /tp_itemsize/
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	593 /* methods */
20033 104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	594 (destructor)I_dealloc, /tp_dealloc/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	595 (printfunc)0, /tp_print/
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	596 0, /* tp_getattr */
20033 104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	597 (setattrfunc)0, /tp_setattr/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	598 (cmpfunc)0, /tp_compare/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	599 (reprfunc)0, /tp_repr/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	600 0, /tp_as_number/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	601 0, /tp_as_sequence/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	602 0, /tp_as_mapping/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	603 (hashfunc)0, /tp_hash/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	604 (ternaryfunc)0, /tp_call/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	605 (reprfunc)0, /tp_str/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	606 0, /* tp_getattro */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	607 0, /* tp_setattro */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	608 0, /* tp_as_buffer */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	609 Py_TPFLAGS_DEFAULT, /* tp_flags */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	610 Itype__doc__, /* tp_doc */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	611 0, /* tp_traverse */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	612 0, /* tp_clear */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	613 0, /* tp_richcompare */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that Barry Warsaw <barry@python.org> parents: 16546 diff changeset	614 0, /* tp_weaklistoffset */
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	615 PyObject_SelfIter, /* tp_iter */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	616 (iternextfunc)IO_iternext, /* tp_iternext */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	617 I_methods /* tp_methods */
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	618 };
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	619
5991 a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	620 static PyObject *
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	621 newIobject(PyObject *s) {
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	622 Iobject *self;
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	623 char *buf;
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	624 int size;
12385 627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO Jeremy Hylton <jeremy@alum.mit.edu> parents: 11882 diff changeset	625
20060 ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on Marc-André Lemburg <mal@egenix.com> parents: 20033 diff changeset	626 if (PyObject_AsReadBuffer(s, (const void **)&buf, &size)) {
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on Marc-André Lemburg <mal@egenix.com> parents: 20033 diff changeset	627 PyErr_Format(PyExc_TypeError, "expected read buffer, %.200s found",
12385 627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO Jeremy Hylton <jeremy@alum.mit.edu> parents: 11882 diff changeset	628 s->ob_type->tp_name);
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO Jeremy Hylton <jeremy@alum.mit.edu> parents: 11882 diff changeset	629 return NULL;
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO Jeremy Hylton <jeremy@alum.mit.edu> parents: 11882 diff changeset	630 }
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	631 UNLESS (self = PyObject_New(Iobject, &Itype)) return NULL;
5991 a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	632 Py_INCREF(s);
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	633 self->buf=buf;
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	634 self->string_size=size;
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	635 self->pbuf=s;
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	636 self->pos=0;
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	637
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	638 return (PyObject*)self;
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	639 }
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	640
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	641 /* End of code for StringI objects */
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	642 /* -------------------------------------------------------- */
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	643
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	644
23832 ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	645 PyDoc_STRVAR(IO_StringIO__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros. Martin v. Löwis <martin@v.loewis.de> parents: 23301 diff changeset	646 "StringIO([s]) -- Return a StringIO-like stream for reading or writing");
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	647
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	648 static PyObject *
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	649 IO_StringIO(PyObject self, PyObject args) {
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	650 PyObject *s=0;
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	651
27044 23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible Raymond Hettinger <python@rcn.com> parents: 25087 diff changeset	652 if (!PyArg_UnpackTuple(args, "StringIO", 0, 1, &s)) return NULL;
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	653
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	654 if (s) return newIobject(s);
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	655 return newOobject(128);
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	656 }
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	657
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	658 /* List of methods defined in the module */
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	659
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	660 static struct PyMethodDef IO_methods[] = {
13817 3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables Andrew M. Kuchling <amk@amk.ca> parents: 13690 diff changeset	661 {"StringIO", (PyCFunction)IO_StringIO,
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables Andrew M. Kuchling <amk@amk.ca> parents: 13690 diff changeset	662 METH_VARARGS, IO_StringIO__doc__},
4906 fce781b127b9 Jim's latest version. Guido van Rossum <guido@python.org> parents: 4598 diff changeset	663 {NULL, NULL} /* sentinel */
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	664 };
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	665
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	666
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	667 /* Initialization function for the module (must be called initcStringIO) */
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	668
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	669 static struct PycStringIO_CAPI CAPI = {
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	670 IO_cread,
acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	671 IO_creadline,
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	672 O_cwrite,
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	673 IO_cgetval,
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	674 newOobject,
e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	675 newIobject,
e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	676 &Itype,
e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	677 &Otype,
e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	678 };
e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	679
24471 f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/. Required adding a prototype Mark Hammond <mhammond@skippinet.com.au>* parents: 23832 diff changeset	680 #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/. Required adding a prototype Mark Hammond <mhammond@skippinet.com.au>* parents: 23832 diff changeset	681 #define PyMODINIT_FUNC void
9642 08379c7f5fa9 Jim Fulton writes: Guido van Rossum <guido@python.org> parents: 9588 diff changeset	682 #endif
24471 f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/. Required adding a prototype Mark Hammond <mhammond@skippinet.com.au>* parents: 23832 diff changeset	683 PyMODINIT_FUNC
13690 c09c0171474f ANSIfy some more forward declarations. Thomas Wouters <thomas@python.org> parents: 13620 diff changeset	684 initcStringIO(void) {
6227 613f976a57b4 #Plug small memory leaks in constructors. Guido van Rossum <guido@python.org> parents: 6215 diff changeset	685 PyObject m, d, *v;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	686
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	687
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	688 /* Create the module and add the functions */
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	689 m = Py_InitModule4("cStringIO", IO_methods,
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	690 cStringIO_module_documentation,
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	691 (PyObject*)NULL,PYTHON_API_VERSION);
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	692
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	693 /* Add some symbolic constants to the module */
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	694 d = PyModule_GetDict(m);
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	695
4906 fce781b127b9 Jim's latest version. Guido van Rossum <guido@python.org> parents: 4598 diff changeset	696 /* Export C API */
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	697 Itype.ob_type=&PyType_Type;
e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	698 Otype.ob_type=&PyType_Type;
28772 0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	699 if (PyType_Ready(&Otype) < 0) return;
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator Raymond Hettinger <python@rcn.com> parents: 27044 diff changeset	700 if (PyType_Ready(&Itype) < 0) return;
6227 613f976a57b4 #Plug small memory leaks in constructors. Guido van Rossum <guido@python.org> parents: 6215 diff changeset	701 PyDict_SetItemString(d,"cStringIO_CAPI",
613f976a57b4 #Plug small memory leaks in constructors. Guido van Rossum <guido@python.org> parents: 6215 diff changeset	702 v = PyCObject_FromVoidPtr(&CAPI,NULL));
613f976a57b4 #Plug small memory leaks in constructors. Guido van Rossum <guido@python.org> parents: 6215 diff changeset	703 Py_XDECREF(v);
5280 e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	704
e8f8cf358054 Unknown changes by Jim Fulton. Guido van Rossum <guido@python.org> parents: 4957 diff changeset	705 /* Export Types */
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	706 PyDict_SetItemString(d,"InputType", (PyObject*)&Itype);
8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	707 PyDict_SetItemString(d,"OutputType", (PyObject*)&Otype);
5991 a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	708
a5737dd96979 cPickle release 0.3 from Jim Fulton Guido van Rossum <guido@python.org> parents: 5315 diff changeset	709 /* Maybe make certain warnings go away */
15059 acb88607b4bd Added a new "base" type, IOobject for which most of the Jim Fulton <jim@zope.com> parents: 14679 diff changeset	710 if (0) PycString_IMPORT;
4598 8fdb0539cfb1 Jim F's brainchild Guido van Rossum <guido@python.org> parents: diff changeset	711 }

Mercurial > cpython-lru_cache-weakref

annotate Modules/cStringIO.c @ 29500:aa84ede1c364 legacy-trunk