Mercurial > cpython-lru_cache-weakref

annotate Modules/cStringIO.c @ 39587:bbef2ecdee33 2.4

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Patch #1540329: _hotshot.c fix backports.
author Georg Brandl <georg@python.org>
date Sat, 19 Aug 2006 07:48:06 +0000
parents accfb156f9cc
children 6fb46e87d5f9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 #include "Python.h"
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3 #include "import.h"
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4 #include "cStringIO.h"
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5 #include "structmember.h"
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6
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7 PyDoc_STRVAR(cStringIO_module_documentation,
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8 "A simple fast partial StringIO replacement.\n"
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9 "\n"
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10 "This module provides a simple useful replacement for\n"
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11 "the StringIO module that is written in C. It does not provide the\n"
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12 "full generality of StringIO, but it provides enough for most\n"
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13 "applications and is especially useful in conjunction with the\n"
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14 "pickle module.\n"
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15 "\n"
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16 "Usage:\n"
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17 "\n"
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18 " from cStringIO import StringIO\n"
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19 "\n"
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20 " an_output_stream=StringIO()\n"
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21 " an_output_stream.write(some_stuff)\n"
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22 " ...\n"
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23 " value=an_output_stream.getvalue()\n"
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24 "\n"
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25 " an_input_stream=StringIO(a_string)\n"
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26 " spam=an_input_stream.readline()\n"
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27 " spam=an_input_stream.read(5)\n"
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28 " an_input_stream.seek(0) # OK, start over\n"
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29 " spam=an_input_stream.read() # and read it all\n"
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30 " \n"
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31 "If someone else wants to provide a more complete implementation,\n"
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32 "go for it. :-) \n"
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33 "\n"
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34 "cStringIO.c,v 1.29 1999/06/15 14:10:27 jim Exp\n");
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36 #define UNLESS(E) if (!(E))
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38
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39 /* Declaration for file-like objects that manage data as strings
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40
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41 The IOobject type should be though of as a common base type for
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42 Iobjects, which provide input (read-only) StringIO objects and
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43 Oobjects, which provide read-write objects. Most of the methods
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44 depend only on common data.
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45 */
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46
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47 typedef struct {
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48 PyObject_HEAD
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49 char *buf;
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50 int pos, string_size;
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51 } IOobject;
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52
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53 #define IOOOBJECT(O) ((IOobject*)(O))
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54
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55 /* Declarations for objects of type StringO */
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56
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57 typedef struct { /* Subtype of IOobject */
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58 PyObject_HEAD
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59 char *buf;
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60 int pos, string_size;
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61
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62 int buf_size, softspace;
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63 } Oobject;
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64
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65 /* Declarations for objects of type StringI */
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66
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67 typedef struct { /* Subtype of IOobject */
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68 PyObject_HEAD
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69 char *buf;
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70 int pos, string_size;
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71 /* We store a reference to the object here in order to keep
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72 the buffer alive during the lifetime of the Iobject. */
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73 PyObject *pbuf;
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74 } Iobject;
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75
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76 /* IOobject (common) methods */
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77
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78 PyDoc_STRVAR(IO_flush__doc__, "flush(): does nothing.");
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79
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80 static int
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81 IO__opencheck(IOobject *self) {
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82 UNLESS (self->buf) {
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83 PyErr_SetString(PyExc_ValueError,
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84 "I/O operation on closed file");
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85 return 0;
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86 }
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87 return 1;
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88 }
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89
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90 static PyObject *
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91 IO_get_closed(IOobject *self, void *closure)
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92 {
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93 PyObject *result = Py_False;
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94
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95 if (self->buf == NULL)
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96 result = Py_True;
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97 Py_INCREF(result);
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98 return result;
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99 }
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100
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101 static PyGetSetDef file_getsetlist[] = {
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102 {"closed", (getter)IO_get_closed, NULL, "True if the file is closed"},
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103 {0},
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104 };
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105
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106 static PyObject *
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107 IO_flush(IOobject *self, PyObject *unused) {
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108
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109 UNLESS (IO__opencheck(self)) return NULL;
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110
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111 Py_INCREF(Py_None);
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112 return Py_None;
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113 }
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114
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115 PyDoc_STRVAR(IO_getval__doc__,
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116 "getvalue([use_pos]) -- Get the string value."
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117 "\n"
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118 "If use_pos is specified and is a true value, then the string returned\n"
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119 "will include only the text up to the current file position.\n");
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120
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121 static PyObject *
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122 IO_cgetval(PyObject *self) {
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123 UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
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124 return PyString_FromStringAndSize(((IOobject*)self)->buf,
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125 ((IOobject*)self)->pos);
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126 }
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127
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128 static PyObject *
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129 IO_getval(IOobject *self, PyObject *args) {
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130 PyObject *use_pos=Py_None;
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131 int s;
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132
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133 UNLESS (IO__opencheck(self)) return NULL;
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134 UNLESS (PyArg_UnpackTuple(args,"getval", 0, 1,&use_pos)) return NULL;
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135
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Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
136 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
137 s=self->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
138 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
139 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
140 else
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
141 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
142 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
143 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
144
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
145 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
146
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
147 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
148 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
149 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
150 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
151 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
152
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
153 PyDoc_STRVAR(IO_read__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
154 "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
155
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
156 static int
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
157 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
158 int l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
159
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
160 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
161 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
162 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
163 n = l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
164 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
165 }
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 *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
168 ((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
169 return n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
170 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
171
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
172 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
173 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
174 int n = -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
175 char *output;
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 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
178
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
179 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
180
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
181 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
182 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
183
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
184 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
185
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
186 static int
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
187 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
188 char *n, *s;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
189 int l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
190
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
191 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
192
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
193 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
194 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
195 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
196 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
197
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
198 *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
199 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
200 ((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
201 return l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
202 }
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 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
205 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
206 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
207 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
208
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
209 if (args)
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
210 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
211
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
212 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
213 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
214 m = n - m;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
215 n -= m;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
216 self->pos -= m;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
217 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
218 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
219 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
220
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
221 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
222
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
223 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
224 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
225 int n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
226 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
227 PyObject *result, *line;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
228 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
229
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
230 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
231
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
232 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
233 if (!result)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
234 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
235
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
236 while (1){
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
237 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
238 goto err;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
239 if (n == 0)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
240 break;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
241 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
242 if (!line)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
243 goto err;
35642
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
244 if (PyList_Append (result, line) == -1) {
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
245 Py_DECREF (line);
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
246 goto err;
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
247 }
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
248 Py_DECREF (line);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
249 length += n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
250 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
251 break;
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 return result;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
254 err:
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
255 Py_DECREF(result);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
256 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
257 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
258
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
259 PyDoc_STRVAR(IO_reset__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
260 "reset() -- Reset the file position to the beginning");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
261
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
262 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
263 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
264
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
265 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
266
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
267 self->pos = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
268
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
269 Py_INCREF(Py_None);
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270 return Py_None;
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271 }
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272
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273 PyDoc_STRVAR(IO_tell__doc__, "tell() -- get the current position.");
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274
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275 static PyObject *
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276 IO_tell(IOobject *self, PyObject *unused) {
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277
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278 UNLESS (IO__opencheck(self)) return NULL;
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279
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280 return PyInt_FromLong(self->pos);
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281 }
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282
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283 PyDoc_STRVAR(IO_truncate__doc__,
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284 "truncate(): truncate the file at the current position.");
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285
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286 static PyObject *
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287 IO_truncate(IOobject *self, PyObject *args) {
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288 int pos = -1;
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289
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290 UNLESS (IO__opencheck(self)) return NULL;
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291 UNLESS (PyArg_ParseTuple(args, "|i:truncate", &pos)) return NULL;
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292 if (pos < 0) pos = self->pos;
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293
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294 if (self->string_size > pos) self->string_size = pos;
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295 self->pos = self->string_size;
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296
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297 Py_INCREF(Py_None);
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298 return Py_None;
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299 }
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300
28772
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301 static PyObject *
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302 IO_iternext(Iobject *self)
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303 {
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304 PyObject *next;
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305 next = IO_readline((IOobject *)self, NULL);
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306 if (!next)
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307 return NULL;
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308 if (!PyString_GET_SIZE(next)) {
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309 Py_DECREF(next);
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310 PyErr_SetNone(PyExc_StopIteration);
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311 return NULL;
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312 }
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313 return next;
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314 }
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315
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316
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317
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318
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319 /* Read-write object methods */
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320
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321 PyDoc_STRVAR(O_seek__doc__,
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322 "seek(position) -- set the current position\n"
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323 "seek(position, mode) -- mode 0: absolute; 1: relative; 2: relative to EOF");
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324
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325 static PyObject *
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326 O_seek(Oobject *self, PyObject *args) {
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327 int position, mode = 0;
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328
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329 UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
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330 UNLESS (PyArg_ParseTuple(args, "i|i:seek", &position, &mode))
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331 return NULL;
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332
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333 if (mode == 2) {
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334 position += self->string_size;
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335 }
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336 else if (mode == 1) {
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337 position += self->pos;
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338 }
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339
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340 if (position > self->buf_size) {
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341 self->buf_size*=2;
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342 if (self->buf_size <= position) self->buf_size=position+1;
32423
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343 UNLESS (self->buf = (char*)
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344 realloc(self->buf,self->buf_size)) {
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345 self->buf_size=self->pos=0;
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346 return PyErr_NoMemory();
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347 }
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348 }
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349 else if (position < 0) position=0;
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350
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351 self->pos=position;
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08823099ae62 Implement readlines function. Closes Bug #110686.
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352
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353 while (--position >= self->string_size) self->buf[position]=0;
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354
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355 Py_INCREF(Py_None);
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356 return Py_None;
14679
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diff changeset
357 }
08823099ae62 Implement readlines function. Closes Bug #110686.
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diff changeset
358
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359 PyDoc_STRVAR(O_write__doc__,
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360 "write(s) -- Write a string to the file"
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361 "\n\nNote (hack:) writing None resets the buffer");
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362
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363
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364 static int
5280
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365 O_cwrite(PyObject *self, char *c, int l) {
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366 int newl;
21294
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367 Oobject *oself;
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368
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369 UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
21294
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370 oself = (Oobject *)self;
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371
21294
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diff changeset
372 newl = oself->pos+l;
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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diff changeset
373 if (newl >= oself->buf_size) {
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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diff changeset
374 oself->buf_size *= 2;
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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parents: 20060
diff changeset
375 if (oself->buf_size <= newl)
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diff changeset
376 oself->buf_size = newl+1;
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diff changeset
377 UNLESS (oself->buf =
32423
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378 (char*)realloc(oself->buf, oself->buf_size)) {
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379 PyErr_SetString(PyExc_MemoryError,"out of memory");
21294
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diff changeset
380 oself->buf_size = oself->pos = 0;
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diff changeset
381 return -1;
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diff changeset
382 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
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diff changeset
383 }
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diff changeset
384
21294
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diff changeset
385 memcpy(oself->buf+oself->pos,c,l);
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diff changeset
386
21294
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diff changeset
387 oself->pos += l;
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diff changeset
388
21294
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diff changeset
389 if (oself->string_size < oself->pos) {
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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diff changeset
390 oself->string_size = oself->pos;
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diff changeset
391 }
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diff changeset
392
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diff changeset
393 return l;
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diff changeset
394 }
8fdb0539cfb1 Jim F's brainchild
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395
8fdb0539cfb1 Jim F's brainchild
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diff changeset
396 static PyObject *
5280
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diff changeset
397 O_write(Oobject *self, PyObject *args) {
15059
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diff changeset
398 char *c;
acb88607b4bd Added a new "base" type, IOobject for which most of the
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diff changeset
399 int l;
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diff changeset
400
23301
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parents: 22805
diff changeset
401 UNLESS (PyArg_ParseTuple(args, "t#:write", &c, &l)) return NULL;
5991
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parents: 5315
diff changeset
402
15059
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diff changeset
403 if (O_cwrite((PyObject*)self,c,l) < 0) return NULL;
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Guido van Rossum <guido@python.org>
parents:
diff changeset
404
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
405 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
406 return Py_None;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
407 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
408
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
409 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
410
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
411 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
412 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
413 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
414 self->buf = NULL;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
415
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
416 self->pos = self->string_size = self->buf_size = 0;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
417
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
418 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
419 return Py_None;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
420 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
421
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
422 PyDoc_STRVAR(O_writelines__doc__,
31626
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
423 "writelines(sequence_of_strings) -> None. Write the strings to the file.\n"
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
424 "\n"
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
425 "Note that newlines are not added. The sequence can be any iterable object\n"
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
426 "producing strings. This is equivalent to calling write() for each string.");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
427 static PyObject *
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
428 O_writelines(Oobject *self, PyObject *args) {
31626
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
429 PyObject *it, *s;
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
430
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
431 it = PyObject_GetIter(args);
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
432 if (it == NULL)
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
433 return NULL;
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
434 while ((s = PyIter_Next(it)) != NULL) {
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
435 int n;
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
436 char *c;
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
437 if (PyString_AsStringAndSize(s, &c, &n) == -1) {
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
438 Py_DECREF(it);
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
439 Py_DECREF(s);
16546
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
440 return NULL;
31626
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
441 }
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
442 if (O_cwrite((PyObject *)self, c, n) == -1) {
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
443 Py_DECREF(it);
1543afab1b67 SF patch #907403: Improvements to cStringIO.writelines()
Raymond Hettinger <python@rcn.com>
parents: 31593
diff changeset
444 Py_DECREF(s);
16546
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
445 return NULL;
35642
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
446 }
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
447 Py_DECREF(s);
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
448 }
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
449
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
450 Py_DECREF(it);
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
451
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
452 /* See if PyIter_Next failed */
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
453 if (PyErr_Occurred())
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
454 return NULL;
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
455
e0a9f66b7014 Backport (with Anthony's blessing (in fact he reminded me to do it :)):
Michael W. Hudson <mwh@python.net>
parents: 33213
diff changeset
456 Py_RETURN_NONE;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
457 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
458
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
459 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
460 /* Common methods: */
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
461 {"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
462 {"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
463 {"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
464 {"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
465 {"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
466 {"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
467 {"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
468 {"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
469 {"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
470
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
471 /* 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
472 {"close", (PyCFunction)O_close, METH_NOARGS, O_close__doc__},
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
473 {"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
474 {"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
475 {"writelines", (PyCFunction)O_writelines, METH_O, O_writelines__doc__},
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
476 {NULL, NULL} /* sentinel */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
477 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
478
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
479 static PyMemberDef O_memberlist[] = {
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
480 {"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
481 "flag indicating that a space needs to be printed; used by print"},
30096
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
482 /* getattr(f, "closed") is implemented without this table */
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
483 {NULL} /* Sentinel */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
484 };
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
485
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
486 static void
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
487 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
488 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
489 free(self->buf);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
490 PyObject_Del(self);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
491 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
492
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
493 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
494
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
495 static PyTypeObject Otype = {
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
496 PyObject_HEAD_INIT(NULL)
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
497 0, /*ob_size*/
30126
6842ceb39a14 reverting to 2.41 version (distinct tp_names) - will add verbiage to the
Skip Montanaro <skip@pobox.com>
parents: 30125
diff changeset
498 "cStringIO.StringO", /*tp_name*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
499 sizeof(Oobject), /*tp_basicsize*/
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
500 0, /*tp_itemsize*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
501 /* methods */
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
502 (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
503 (printfunc)0, /*tp_print*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
504 0, /*tp_getattr */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
505 0, /*tp_setattr */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
506 (cmpfunc)0, /*tp_compare*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
507 (reprfunc)0, /*tp_repr*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
508 0, /*tp_as_number*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
509 0, /*tp_as_sequence*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
510 0, /*tp_as_mapping*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
511 (hashfunc)0, /*tp_hash*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
512 (ternaryfunc)0, /*tp_call*/
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
513 (reprfunc)0, /*tp_str*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
514 0, /*tp_getattro */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
515 0, /*tp_setattro */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
516 0, /*tp_as_buffer */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
517 Py_TPFLAGS_DEFAULT, /*tp_flags*/
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
518 Otype__doc__, /*tp_doc */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
519 0, /*tp_traverse */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
520 0, /*tp_clear */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
521 0, /*tp_richcompare */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
522 0, /*tp_weaklistoffset */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
523 PyObject_SelfIter, /*tp_iter */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
524 (iternextfunc)IO_iternext, /*tp_iternext */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
525 O_methods, /*tp_methods */
30096
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
526 O_memberlist, /*tp_members */
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
527 file_getsetlist, /*tp_getset */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
528 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
529
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
530 static PyObject *
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
531 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
532 Oobject *self;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
533
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
534 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
535 if (self == NULL)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
536 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
537 self->pos=0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
538 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
539 self->softspace = 0;
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
540
32423
64534fb3afcd sizeof(char) is 1, by definition, so get rid of that expression in
Tim Peters <tim.peters@gmail.com>
parents: 31626
diff changeset
541 UNLESS (self->buf = (char *)malloc(size)) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
542 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
543 self->buf_size = 0;
36878
accfb156f9cc Backport r42894: SF #1444030 Fix several potential defects found
Hye-Shik Chang <hyeshik@gmail.com>
parents: 35642
diff changeset
544 Py_DECREF(self);
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
545 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
546 }
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
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 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
549 return (PyObject*)self;
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
550 }
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
551
30125
4b46d5449d49 shit - just change the visible name, not the comments - strictly speaking,
Skip Montanaro <skip@pobox.com>
parents: 30124
diff changeset
552 /* End of code for StringO objects */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
553 /* -------------------------------------------------------- */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
554
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
555 static PyObject *
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
556 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
557 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
558 self->pbuf = NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
559 self->buf = NULL;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
560
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
561 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
562
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
563 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
564 return Py_None;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
565 }
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
566
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
567 static PyObject *
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
568 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
569 int position, mode = 0;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
570
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
571 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
572 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
573 return NULL;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
574
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
575 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
576 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
577
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
578 if (position < 0) position=0;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
579
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
580 self->pos=position;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
581
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
582 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
583 return Py_None;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
584 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
585
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
586 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
587 /* Common methods: */
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
588 {"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
589 {"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
590 {"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
591 {"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
592 {"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
593 {"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
594 {"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
595 {"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
596 {"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
597
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
598 /* 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
599 {"close", (PyCFunction)I_close, METH_NOARGS, O_close__doc__},
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
600 {"seek", (PyCFunction)I_seek, METH_VARARGS, O_seek__doc__},
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
601 {NULL, NULL}
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
602 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
603
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
604 static void
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
605 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
606 Py_XDECREF(self->pbuf);
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12385
diff changeset
607 PyObject_Del(self);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
608 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
609
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
610
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
611 PyDoc_STRVAR(Itype__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
612 "Simple type for treating strings as input file streams");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
613
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
614 static PyTypeObject Itype = {
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
615 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
616 0, /*ob_size*/
30126
6842ceb39a14 reverting to 2.41 version (distinct tp_names) - will add verbiage to the
Skip Montanaro <skip@pobox.com>
parents: 30125
diff changeset
617 "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
618 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
619 0, /*tp_itemsize*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
620 /* methods */
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
621 (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
622 (printfunc)0, /*tp_print*/
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
623 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
624 (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
625 (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
626 (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
627 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
628 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
629 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
630 (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
631 (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
632 (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
633 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
634 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
635 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
636 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
637 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
638 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
639 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
640 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
641 0, /* tp_weaklistoffset */
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
642 PyObject_SelfIter, /* tp_iter */
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 27044
diff changeset
643 (iternextfunc)IO_iternext, /* tp_iternext */
30096
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
644 I_methods, /* tp_methods */
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
645 0, /* tp_members */
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28772
diff changeset
646 file_getsetlist, /* tp_getset */
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
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
649 static PyObject *
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
650 newIobject(PyObject *s) {
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
651 Iobject *self;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
652 char *buf;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
653 int size;
12385
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
654
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20033
diff changeset
655 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
656 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
657 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
658 return NULL;
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
659 }
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
660 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
661 Py_INCREF(s);
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
662 self->buf=buf;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
663 self->string_size=size;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
664 self->pbuf=s;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
665 self->pos=0;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
666
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
667 return (PyObject*)self;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
668 }
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
669
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
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670 /* End of code for StringI objects */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
671 /* -------------------------------------------------------- */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
672
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
673
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
674 PyDoc_STRVAR(IO_StringIO__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
675 "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
676
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
677 static PyObject *
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
678 IO_StringIO(PyObject *self, PyObject *args) {
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
679 PyObject *s=0;
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
680
27044
23280a64288e SF patch 660559: Use METH_O and METH_NOARGS where possible
Raymond Hettinger <python@rcn.com>
parents: 25087
diff changeset
681 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
682
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
683 if (s) return newIobject(s);
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
684 return newOobject(128);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
685 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
686
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
687 /* List of methods defined in the module */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
688
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
689 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
690 {"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
691 METH_VARARGS, IO_StringIO__doc__},
4906
fce781b127b9 Jim's latest version.
Guido van Rossum <guido@python.org>
parents: 4598
diff changeset
692 {NULL, NULL} /* sentinel */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
693 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
694
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
695
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
696 /* Initialization function for the module (*must* be called initcStringIO) */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
697
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
698 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
699 IO_cread,
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
700 IO_creadline,
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
701 O_cwrite,
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
702 IO_cgetval,
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
703 newOobject,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
704 newIobject,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
705 &Itype,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
706 &Otype,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
707 };
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
708
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
709 #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
710 #define PyMODINIT_FUNC void
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
711 #endif
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
712 PyMODINIT_FUNC
13690
c09c0171474f ANSIfy some more forward declarations.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
713 initcStringIO(void) {
6227
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
714 PyObject *m, *d, *v;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
715
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
716
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
717 /* Create the module and add the functions */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
718 m = Py_InitModule4("cStringIO", IO_methods,
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
719 cStringIO_module_documentation,
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
720 (PyObject*)NULL,PYTHON_API_VERSION);
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
721
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
722 /* Add some symbolic constants to the module */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
723 d = PyModule_GetDict(m);
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
724
4906
fce781b127b9 Jim's latest version.
Guido van Rossum <guido@python.org>
parents: 4598
diff changeset
725 /* Export C API */
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
726 Itype.ob_type=&PyType_Type;
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
727 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
728 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
729 if (PyType_Ready(&Itype) < 0) return;
6227
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
730 PyDict_SetItemString(d,"cStringIO_CAPI",
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
731 v = PyCObject_FromVoidPtr(&CAPI,NULL));
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
732 Py_XDECREF(v);
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
733
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
734 /* Export Types */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
735 PyDict_SetItemString(d,"InputType", (PyObject*)&Itype);
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
736 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
737
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
738 /* 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
739 if (0) PycString_IMPORT;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
740 }